Trial Outcomes & Findings for Shigella Flexneri 2a Invaplex 50 Vaccine Dose Finding and Assessment of Protection (NCT NCT00485134)

NCT ID: NCT00485134

Last Updated: 2017-09-11

Results Overview

Fecal samples were collected through day 77 or until discharge (all stools collected for weighing/grading; maximum of 3 stools/day for culture; rectal swab obtained if no stool provided).

Recruitment status

COMPLETED

Study phase

PHASE1/PHASE2

Target enrollment

113 participants

Primary outcome timeframe

7 days after challenge

Results posted on

2017-09-11

Participant Flow

Participant milestones

Participant milestones
Measure
Stage 1: Group A, Dolphin 240 µg
240 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of lipopolysaccharides (LPS). 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 240 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 1: Group B, Dolphin 480 µg
480 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 480 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 1: Group C, Dolphin 690 µg
690 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 690 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 1: Group D, Pipette 240 µg
240 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. These subjects received 200 μL the vaccine via electronic pipette. This group is for lot bridging only, not included in dose-finding study. 240 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 2: Dolphin 690 ug (CTC WRAIR Site)
690 ug shigella flexneri 2a Invaplex 50 was to be administered with the Dolphin™ using the vaccination schedule from stage 1. Immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T
Stage 2: Placebo Group (CTC WRAIR Site)
Stage 2: Placebo group (CTC WRAIR site) A control was to be administered with the Dolphin™ using the vaccination schedule from Stage 1. Non-immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T
Stage 2: Dolphin 690 ug (JHU CIR Site)
690 ug shigella flexneri 2a Invaplex 50 was to be administered with the Dolphin™ using the vaccination schedule from stage 1. Immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T
Stage 2: Placebo Group (JHU CIR Site)
A control was to be administered with the Dolphin™ using the vaccination schedule from Stage 1. Non-immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T
Overall Study
STARTED
12
12
12
8
10
7
31
21
Overall Study
COMPLETED
11
10
9
7
7
3
28
20
Overall Study
NOT COMPLETED
1
2
3
1
3
4
3
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Stage 1: Group A, Dolphin 240 µg
240 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of lipopolysaccharides (LPS). 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 240 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 1: Group B, Dolphin 480 µg
480 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 480 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 1: Group C, Dolphin 690 µg
690 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 690 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 1: Group D, Pipette 240 µg
240 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. These subjects received 200 μL the vaccine via electronic pipette. This group is for lot bridging only, not included in dose-finding study. 240 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 2: Dolphin 690 ug (CTC WRAIR Site)
690 ug shigella flexneri 2a Invaplex 50 was to be administered with the Dolphin™ using the vaccination schedule from stage 1. Immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T
Stage 2: Placebo Group (CTC WRAIR Site)
Stage 2: Placebo group (CTC WRAIR site) A control was to be administered with the Dolphin™ using the vaccination schedule from Stage 1. Non-immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T
Stage 2: Dolphin 690 ug (JHU CIR Site)
690 ug shigella flexneri 2a Invaplex 50 was to be administered with the Dolphin™ using the vaccination schedule from stage 1. Immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T
Stage 2: Placebo Group (JHU CIR Site)
A control was to be administered with the Dolphin™ using the vaccination schedule from Stage 1. Non-immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T
Overall Study
Lost to Follow-up
1
0
0
0
0
0
0
0
Overall Study
Withdrawal by Subject
0
1
0
0
0
0
0
0
Overall Study
Change in health status
0
1
2
1
0
1
0
0
Overall Study
Withdrew for adverse event
0
0
1
0
0
0
0
0
Overall Study
Positive drug test
0
0
0
0
2
1
0
0
Overall Study
Non-compliance
0
0
0
0
1
2
2
0
Overall Study
Unable to comply with study schedule
0
0
0
0
0
0
0
1
Overall Study
Pregnancy
0
0
0
0
0
0
1
0

Baseline Characteristics

Shigella Flexneri 2a Invaplex 50 Vaccine Dose Finding and Assessment of Protection

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Stage 1: Group A, Dolphin 240 µg
n=12 Participants
240 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 240 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 1: Group B, Dolphin 480 µg
n=12 Participants
480 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 480 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 1: Group C, Dolphin 690 µg
n=12 Participants
690 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 690 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 1: Group D, Pipette 240 µg
n=8 Participants
240 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. These subjects received 200 μL the vaccine via electronic pipette. This group is for lot bridging only, not included in dose-finding study. 240 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 2: Dolphin 690 ug (CTC WRAIR Site)
n=10 Participants
690 ug shigella flexneri 2a Invaplex 50 was to be administered with the Dolphin™ using the vaccination schedule from stage 1. Immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T
Stage 2: Placebo Group (CTC WRAIR Site)
n=7 Participants
A control was to be administered with the Dolphin™ using the vaccination schedule from Stage 1. Non-immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T
Stage 2: Dolphin 690 ug (JHU CIR Site)
n=31 Participants
690 ug shigella flexneri 2a Invaplex 50 was to be administered with the Dolphin™ using the vaccination schedule from stage 1. Immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T
Stage 2: Placebo Group (JHU CIR Site)
n=21 Participants
A control was to be administered with the Dolphin™ using the vaccination schedule from Stage 1. Non-immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T
Total
n=113 Participants
Total of all reporting groups
Age, Continuous
38.1 years
STANDARD_DEVIATION 7.1 • n=99 Participants
39.6 years
STANDARD_DEVIATION 4.4 • n=107 Participants
30.7 years
STANDARD_DEVIATION 7.3 • n=206 Participants
29.3 years
STANDARD_DEVIATION 7.1 • n=7 Participants
35.1 years
STANDARD_DEVIATION 10.2 • n=31 Participants
34.4 years
STANDARD_DEVIATION 10.4 • n=30 Participants
32.2 years
STANDARD_DEVIATION 8.3 • n=3 Participants
31.3 years
STANDARD_DEVIATION 8.2 • n=6 Participants
33.5 years
STANDARD_DEVIATION 7.7 • n=114 Participants
Sex: Female, Male
Female
5 Participants
n=99 Participants
5 Participants
n=107 Participants
7 Participants
n=206 Participants
3 Participants
n=7 Participants
4 Participants
n=31 Participants
2 Participants
n=30 Participants
13 Participants
n=3 Participants
15 Participants
n=6 Participants
54 Participants
n=114 Participants
Sex: Female, Male
Male
7 Participants
n=99 Participants
7 Participants
n=107 Participants
5 Participants
n=206 Participants
5 Participants
n=7 Participants
6 Participants
n=31 Participants
5 Participants
n=30 Participants
18 Participants
n=3 Participants
6 Participants
n=6 Participants
59 Participants
n=114 Participants
Race/Ethnicity, Customized
African-American
7 Participants
n=99 Participants
8 Participants
n=107 Participants
9 Participants
n=206 Participants
2 Participants
n=7 Participants
6 Participants
n=31 Participants
6 Participants
n=30 Participants
27 Participants
n=3 Participants
17 Participants
n=6 Participants
82 Participants
n=114 Participants
Race/Ethnicity, Customized
Caucasian
5 Participants
n=99 Participants
3 Participants
n=107 Participants
1 Participants
n=206 Participants
3 Participants
n=7 Participants
1 Participants
n=31 Participants
1 Participants
n=30 Participants
3 Participants
n=3 Participants
4 Participants
n=6 Participants
21 Participants
n=114 Participants
Race/Ethnicity, Customized
Other
0 Participants
n=99 Participants
1 Participants
n=107 Participants
2 Participants
n=206 Participants
3 Participants
n=7 Participants
1 Participants
n=31 Participants
0 Participants
n=30 Participants
1 Participants
n=3 Participants
0 Participants
n=6 Participants
8 Participants
n=114 Participants
Race/Ethnicity, Customized
Data Missing
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=7 Participants
2 Participants
n=31 Participants
0 Participants
n=30 Participants
0 Participants
n=3 Participants
0 Participants
n=6 Participants
2 Participants
n=114 Participants

PRIMARY outcome

Timeframe: 7 days after challenge

Population: The decision criteria to progress to challenge with the Shigella challenge strain were no limiting adverse events (AEs) and positive immune response. These individuals were challenged with 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T.

Fecal samples were collected through day 77 or until discharge (all stools collected for weighing/grading; maximum of 3 stools/day for culture; rectal swab obtained if no stool provided).

Outcome measures

Outcome measures
Measure
Stage 2: Controls
n=12 Participants
A control was to be administered with the Dolphin™ using the vaccination schedule from Stage 1. Non-immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T.
Stage 2: Immunized
n=10 Participants
The selected dose was to be administered with the Dolphin™ using the vaccination schedule from stage 1. Immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T.
Stage 1: Group C, Dolphin 690 µg
690 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 690 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Post-challenge Diarrhea, Fever, and Blood in Stool Adverse Events by Study Group
Mild diarrhea
1 participants
0 participants
Post-challenge Diarrhea, Fever, and Blood in Stool Adverse Events by Study Group
Moderate diarrhea
4 participants
4 participants
Post-challenge Diarrhea, Fever, and Blood in Stool Adverse Events by Study Group
Severe diarrhea
3 participants
3 participants
Post-challenge Diarrhea, Fever, and Blood in Stool Adverse Events by Study Group
Fever
4 participants
5 participants
Post-challenge Diarrhea, Fever, and Blood in Stool Adverse Events by Study Group
Blood in stools
4 participants
5 participants

SECONDARY outcome

Timeframe: 7 days after challenge

Population: One subject in each group had diarrhea continuing at discharge so measured stool output likely an underestimate.

Outcome measures

Outcome measures
Measure
Stage 2: Controls
n=12 Participants
A control was to be administered with the Dolphin™ using the vaccination schedule from Stage 1. Non-immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T.
Stage 2: Immunized
n=10 Participants
The selected dose was to be administered with the Dolphin™ using the vaccination schedule from stage 1. Immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T.
Stage 1: Group C, Dolphin 690 µg
690 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 690 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Post-challenge Loose Stool Samples Occurrences by Study Group
Number of loose stools
6.5 loose stools
Interval 4.0 to 8.0
8.0 loose stools
Interval 7.0 to 13.0
Post-challenge Loose Stool Samples Occurrences by Study Group
Maximum number in 24 hours period
4.0 loose stools
Interval 4.0 to 6.0
5.0 loose stools
Interval 4.0 to 9.0

SECONDARY outcome

Timeframe: 7 days after challenge

Population: One subject in each group had diarrhea continuing at discharge so measured stool output likely an underestimate.

Outcome measures

Outcome measures
Measure
Stage 2: Controls
n=12 Participants
A control was to be administered with the Dolphin™ using the vaccination schedule from Stage 1. Non-immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T.
Stage 2: Immunized
n=10 Participants
The selected dose was to be administered with the Dolphin™ using the vaccination schedule from stage 1. Immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T.
Stage 1: Group C, Dolphin 690 µg
690 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 690 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Post-challenge Loose Stool Sample Volumes by Study Group
Total volume
540.5 mL
Interval 180.5 to 1251.0
706.0 mL
Interval 537.0 to 794.0
Post-challenge Loose Stool Sample Volumes by Study Group
Maximum volume loose stools in 24 hour period
422.0 mL
Interval 180.5 to 666.5
492.0 mL
Interval 410.0 to 555.0

SECONDARY outcome

Timeframe: 7 days after challenge

Population: One subject in each group had diarrhea continuing at discharge so measured stool output likely an underestimate.

Outcome measures

Outcome measures
Measure
Stage 2: Controls
n=12 Participants
A control was to be administered with the Dolphin™ using the vaccination schedule from Stage 1. Non-immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T.
Stage 2: Immunized
n=10 Participants
The selected dose was to be administered with the Dolphin™ using the vaccination schedule from stage 1. Immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T.
Stage 1: Group C, Dolphin 690 µg
690 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 690 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Post-challenge Loose Stool Sample Durations by Study Group
Hours to first loose stool
59.7 hours
Interval 52.7 to 65.4
75.9 hours
Interval 46.0 to 90.1
Post-challenge Loose Stool Sample Durations by Study Group
Diarrhea duration
32.3 hours
Interval 18.3 to 53.0
47.4 hours
Interval 29.3 to 63.0

SECONDARY outcome

Timeframe: 56 days post-challenge

Outcome measures

Outcome measures
Measure
Stage 2: Controls
n=12 Participants
A control was to be administered with the Dolphin™ using the vaccination schedule from Stage 1. Non-immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T.
Stage 2: Immunized
n=10 Participants
The selected dose was to be administered with the Dolphin™ using the vaccination schedule from stage 1. Immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T.
Stage 1: Group C, Dolphin 690 µg
690 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 690 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
S. Flexneri 2a Related Non-diarrheal Clinical Outcomes by Study Group
Nausea
4 participants
4 participants
S. Flexneri 2a Related Non-diarrheal Clinical Outcomes by Study Group
Vomiting
2 participants
2 participants
S. Flexneri 2a Related Non-diarrheal Clinical Outcomes by Study Group
Abdominal pain/cramps
7 participants
8 participants
S. Flexneri 2a Related Non-diarrheal Clinical Outcomes by Study Group
Malaise
5 participants
5 participants
S. Flexneri 2a Related Non-diarrheal Clinical Outcomes by Study Group
Bloating
3 participants
6 participants
S. Flexneri 2a Related Non-diarrheal Clinical Outcomes by Study Group
Flatulence
6 participants
5 participants
S. Flexneri 2a Related Non-diarrheal Clinical Outcomes by Study Group
Headache
7 participants
6 participants
S. Flexneri 2a Related Non-diarrheal Clinical Outcomes by Study Group
Lightheadedness
1 participants
0 participants
S. Flexneri 2a Related Non-diarrheal Clinical Outcomes by Study Group
Constipation
0 participants
0 participants
S. Flexneri 2a Related Non-diarrheal Clinical Outcomes by Study Group
Abdominal tenderness
2 participants
1 participants

SECONDARY outcome

Timeframe: 56 days post-vaccination in stage 1

Population: This analysis is limited to groups A-C only and subjects receiving at least 2 doses of S. flexneri 2a Invaplex 50 or LPS

Immune responder is defined as someone with both a serologic and an ASC response to either Invaplex 50 or LPS. Immune response defined as Serology: ≥ 4-fold increase in baseline serum titer antibody cecreting cells (ASC): ≥ 10 ASC per 106 peripheral blood mononuclear cells(PBMC).

Outcome measures

Outcome measures
Measure
Stage 2: Controls
n=11 Participants
A control was to be administered with the Dolphin™ using the vaccination schedule from Stage 1. Non-immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T.
Stage 2: Immunized
n=10 Participants
The selected dose was to be administered with the Dolphin™ using the vaccination schedule from stage 1. Immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T.
Stage 1: Group C, Dolphin 690 µg
n=12 Participants
690 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 690 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Number of Subjects Exhibiting an Immune Response to Invaplex 50 and/or LPS
3 participants
2 participants
7 participants

Adverse Events

Stage 1: Group A, Dolphin 240 µg

Serious events: 0 serious events
Other events: 10 other events
Deaths: 0 deaths

Stage 1: Group B, Dolphin 480 µg

Serious events: 0 serious events
Other events: 11 other events
Deaths: 0 deaths

Stage 1: Group C, Dolphin 690 µg

Serious events: 0 serious events
Other events: 11 other events
Deaths: 0 deaths

Stage 2: Immunized

Serious events: 0 serious events
Other events: 41 other events
Deaths: 0 deaths

Stage 2: Controls

Serious events: 1 serious events
Other events: 28 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Stage 1: Group A, Dolphin 240 µg
n=12 participants at risk
240 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 240 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 1: Group B, Dolphin 480 µg
n=12 participants at risk
480 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 480 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 1: Group C, Dolphin 690 µg
n=12 participants at risk
690 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 690 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 2: Immunized
n=41 participants at risk
The selected dose was to be administered with the Dolphin™ using the vaccination schedule from stage 1. Immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T
Stage 2: Controls
n=28 participants at risk
A control was to be administered with the Dolphin™ using the vaccination schedule from Stage 1. Non-immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T
Reproductive system and breast disorders
Pregnancy
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
3.6%
1/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.

Other adverse events

Other adverse events
Measure
Stage 1: Group A, Dolphin 240 µg
n=12 participants at risk
240 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 240 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 1: Group B, Dolphin 480 µg
n=12 participants at risk
480 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 480 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 1: Group C, Dolphin 690 µg
n=12 participants at risk
690 µg Shigella flexneri 2a Invaplex 50 vaccine. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 mL glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. 230 μL of the formulated vaccine (or placebo, sterile saline) was added to a nasal spray applicator (Dolphin™). 690 µg Shigella flexneri 2a Invaplex 50 vaccine: Vaccines were administered intranasally on Days 0, 14, and 28. The investigational vaccine was supplied as 1 mL of a sterile, clear liquid in a 3 ml glass vial. Each vial contained 3.5 mg of protein and 567 μg of LPS. The pH was 8.9 and the buffer was 250 mM NaCl in 20 mM Tris.
Stage 2: Immunized
n=41 participants at risk
The selected dose was to be administered with the Dolphin™ using the vaccination schedule from stage 1. Immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T
Stage 2: Controls
n=28 participants at risk
A control was to be administered with the Dolphin™ using the vaccination schedule from Stage 1. Non-immunized and challenged with Shigella challenge strain approximately 42 days after receiving the last vaccination following a 90-minute fast. Some individuals were randomly selected for the challenge phase. Shigella challenge strain: 800 colony forming units (CFU) of Shigella challenge strain, Shigella flexneri 2a strain 2457T
General disorders
Malaise
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
14.6%
6/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
7.1%
2/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Headache
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
16.7%
2/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
19.5%
8/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
32.1%
9/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Rhinorrhea
33.3%
4/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
25.0%
3/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
33.3%
4/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
24.4%
10/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
32.1%
9/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Nasal congestion
58.3%
7/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
16.7%
2/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
25.0%
3/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
29.3%
12/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
35.7%
10/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Nasal burning
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
19.5%
8/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
7.1%
2/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
Gastrointestinal disorders
Nasal itching
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
33.3%
4/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
41.7%
5/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
12.2%
5/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Sore throat
16.7%
2/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
33.3%
4/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
22.0%
9/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
25.0%
7/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Postnasal drip
16.7%
2/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
16.7%
2/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
41.7%
5/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
19.5%
8/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
21.4%
6/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Cough
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
33.3%
4/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
9.8%
4/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
10.7%
3/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Sinus pain
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
12.2%
5/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
3.6%
1/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Sneezing
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
33.3%
4/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
41.7%
5/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
34.1%
14/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
14.3%
4/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
Eye disorders
Itching eyes
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
16.7%
2/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
12.2%
5/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
10.7%
3/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Nose bleed
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
4.9%
2/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Fever
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
9.8%
4/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
3.6%
1/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Nasal mucosa hyperemia
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
48.8%
20/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
42.9%
12/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Nasal discharge
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
36.6%
15/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
42.9%
12/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Nasal edema
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
24.4%
10/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
25.0%
7/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Pharyngeal erythema
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
16.7%
2/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
4.9%
2/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
10.7%
3/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Sinus tenderness
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Lymphadenopathy
16.7%
2/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
16.7%
2/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
8.3%
1/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
7.3%
3/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
3.6%
1/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
Eye disorders
Conjunctival injection
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
17.1%
7/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
28.6%
8/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Tearing
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Epistaxis
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
Respiratory, thoracic and mediastinal disorders
Abnormal lung exam
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
3.6%
1/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
General disorders
Abnormal cranial nerve finding
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/12 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/41 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.
0.00%
0/28 • Subjects Participating in Stages 1 and 2 who Experienced Surveyed Signs and Symptoms Post-vaccination
Group D was not included in findings due to they were for lot bridging only and not for dose-finding study.

Additional Information

Division of Regulated Activies and Compliance

US Army Medical Materiel Development Activity (USAMMDA)

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place