Trial Outcomes & Findings for Study of PlasmaCap IG in Adults and Children With PIDD (NCT NCT03238079)

NCT ID: NCT03238079

Last Updated: 2026-06-30

Results Overview

The primary efficacy endpoint was the rate of acute SBI (pneumonia, bacteremia and septicemia, osteomyelitis/septic arthritis, bacterial meningitis, visceral abscess) per participant during the 12-month study observation period

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

63 participants

Primary outcome timeframe

1 year

Results posted on

2026-06-30

Participant Flow

A total of 63 patients were enrolled between September 2017 and August 2020 at 13 sites across the United States and Canada.

Participant milestones

Participant milestones
Measure
Adults
Adult participants \> 17 years received PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days)
Pediatrics
Pediatric participants \< 17 years received PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days)
Overall Study
STARTED
48
15
Overall Study
COMPLETED
42
15
Overall Study
NOT COMPLETED
6
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

\[Not Specified\]

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Adults
n=48 Participants
Adult participants \> 17 years received PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days)
Pediatrics
n=15 Participants
Pediatric participants \< 17 years received PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days)
Total
n=63 Participants
Total of all reporting groups
Age, Customized
Age, Continuous
49.4 Years
STANDARD_DEVIATION 14.3 • n=20 Participants • \[Not Specified\]
8.9 Years
STANDARD_DEVIATION 4.4 • n=20 Participants • \[Not Specified\]
39.8 Years
STANDARD_DEVIATION 21.5 • n=40 Participants • \[Not Specified\]
Sex: Female, Male
Female
27 Participants
n=20 Participants
5 Participants
n=20 Participants
32 Participants
n=40 Participants
Sex: Female, Male
Male
21 Participants
n=20 Participants
10 Participants
n=20 Participants
31 Participants
n=40 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=20 Participants
0 Participants
n=20 Participants
0 Participants
n=40 Participants
Race (NIH/OMB)
Asian
0 Participants
n=20 Participants
0 Participants
n=20 Participants
0 Participants
n=40 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=20 Participants
0 Participants
n=20 Participants
0 Participants
n=40 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=20 Participants
0 Participants
n=20 Participants
0 Participants
n=40 Participants
Race (NIH/OMB)
White
48 Participants
n=20 Participants
14 Participants
n=20 Participants
62 Participants
n=40 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=20 Participants
0 Participants
n=20 Participants
0 Participants
n=40 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=20 Participants
1 Participants
n=20 Participants
1 Participants
n=40 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=20 Participants
2 Participants
n=20 Participants
3 Participants
n=40 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
47 Participants
n=20 Participants
13 Participants
n=20 Participants
60 Participants
n=40 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=20 Participants
0 Participants
n=20 Participants
0 Participants
n=40 Participants
Body Mass Index
30.14 kg/m2
STANDARD_DEVIATION 7.72 • n=20 Participants
25.54 kg/m2
STANDARD_DEVIATION 25.41 • n=20 Participants
29.03 kg/m2
STANDARD_DEVIATION 14.04 • n=40 Participants

PRIMARY outcome

Timeframe: 1 year

Population: Participants receiving PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days)

The primary efficacy endpoint was the rate of acute SBI (pneumonia, bacteremia and septicemia, osteomyelitis/septic arthritis, bacterial meningitis, visceral abscess) per participant during the 12-month study observation period

Outcome measures

Outcome measures
Measure
Pediatrics
n=15 Participants
PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days) in participants \< 17 years.
Adults
n=48 Participants
PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days) in participants \> 17 years.
Mean Acute Serious Bacterial Infection (SBI) Rate
0 Percentage
0 Percentage

SECONDARY outcome

Timeframe: Up to 1 year per participant

Population: Participants receiving PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days)

The average serum total IgG trough concentration

Outcome measures

Outcome measures
Measure
Pediatrics
n=15 Participants
PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days) in participants \< 17 years.
Adults
n=48 Participants
PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days) in participants \> 17 years.
Immunoglobulin G (IgG) Trough Concentration
Infusion 13
1061.3 mg/mL
Standard Deviation 241.1
1007.5 mg/mL
Standard Deviation 189.5
Immunoglobulin G (IgG) Trough Concentration
Infusion 14
1198.9 mg/mL
Standard Deviation 183.9
1090.1 mg/mL
Standard Deviation 266.9
Immunoglobulin G (IgG) Trough Concentration
Infusion 15
1154.9 mg/mL
Standard Deviation 223.4
1057.4 mg/mL
Standard Deviation 223.5
Immunoglobulin G (IgG) Trough Concentration
Infusion 16
1117.3 mg/mL
Standard Deviation 205.5
1092.4 mg/mL
Standard Deviation 261.9
Immunoglobulin G (IgG) Trough Concentration
Infusion 17
1171.6 mg/mL
Standard Deviation 230.1
1139.6 mg/mL
Standard Deviation 241.5
Immunoglobulin G (IgG) Trough Concentration
Safety Follow-Up
1110.1 mg/mL
Standard Deviation 322.0
1010.8 mg/mL
Standard Deviation 208.1
Immunoglobulin G (IgG) Trough Concentration
Infusion 1 (Pre-dose)
925.5 mg/mL
Standard Deviation 239.4
974.3 mg/mL
Standard Deviation 175.6
Immunoglobulin G (IgG) Trough Concentration
Infusion 2
951.0 mg/mL
Standard Deviation 213.6
977.8 mg/mL
Standard Deviation 177.0
Immunoglobulin G (IgG) Trough Concentration
Infusion 3
996.0 mg/mL
Standard Deviation 212.0
975.8 mg/mL
Standard Deviation 204.9
Immunoglobulin G (IgG) Trough Concentration
Infusion 4
1041.7 mg/mL
Standard Deviation 230.9
963.1 mg/mL
Standard Deviation 182.8
Immunoglobulin G (IgG) Trough Concentration
Infusion 5
1027.9 mg/mL
Standard Deviation 217.3
976.2 mg/mL
Standard Deviation 194.8
Immunoglobulin G (IgG) Trough Concentration
Infusion 6
1071.0 mg/mL
Standard Deviation 205.3
951.9 mg/mL
Standard Deviation 193.0
Immunoglobulin G (IgG) Trough Concentration
Infusion 7
1011.3 mg/mL
Standard Deviation 209.4
980.0 mg/mL
Standard Deviation 185.1
Immunoglobulin G (IgG) Trough Concentration
Infusion 8
1039.6 mg/mL
Standard Deviation 258.2
967.5 mg/mL
Standard Deviation 200.4
Immunoglobulin G (IgG) Trough Concentration
Infusion 9
1077.7 mg/mL
Standard Deviation 236.3
970.4 mg/mL
Standard Deviation 200.7
Immunoglobulin G (IgG) Trough Concentration
Infusion 10
1047.3 mg/mL
Standard Deviation 193.8
992.6 mg/mL
Standard Deviation 203.7
Immunoglobulin G (IgG) Trough Concentration
Infusion 11
1075.8 mg/mL
Standard Deviation 230.4
999.2 mg/mL
Standard Deviation 197.3
Immunoglobulin G (IgG) Trough Concentration
Infusion 12
1054.1 mg/mL
Standard Deviation 201.3
1016.0 mg/mL
Standard Deviation 215.7

SECONDARY outcome

Timeframe: Up to 1 year per participant

Population: Participants receiving PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days)

The number of days out of work/school/daycare or unable to perform normal daily activities due to infections

Outcome measures

Outcome measures
Measure
Pediatrics
n=15 Participants
PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days) in participants \< 17 years.
Adults
n=48 Participants
PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days) in participants \> 17 years.
Days Unable to Perform Daily Activities
8.1 Days
Standard Deviation 11.6
6.0 Days
Standard Deviation 9.6

SECONDARY outcome

Timeframe: Up to 1 year per participant

Population: Participants receiving PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days)

Number of participants with maintenance of stable IgG levels

Outcome measures

Outcome measures
Measure
Pediatrics
n=15 Participants
PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days) in participants \< 17 years.
Adults
n=48 Participants
PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days) in participants \> 17 years.
Therapeutic IgG Levels
15 Participants
48 Participants

Adverse Events

Adults

Serious events: 4 serious events
Other events: 44 other events
Deaths: 0 deaths

Pediatrics

Serious events: 0 serious events
Other events: 15 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Adults
n=48 participants at risk
PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days) in participants \> 17 years.
Pediatrics
n=15 participants at risk
PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days) in participants \< 17 years.
Infections and infestations
Pneumonia
2.1%
1/48 • Number of events 1 • From enrollment to end of follow-up at 1 year
0.00%
0/15 • From enrollment to end of follow-up at 1 year
Infections and infestations
Pyelonephritis
2.1%
1/48 • Number of events 1 • From enrollment to end of follow-up at 1 year
0.00%
0/15 • From enrollment to end of follow-up at 1 year
Infections and infestations
Viral infection
2.1%
1/48 • Number of events 1 • From enrollment to end of follow-up at 1 year
0.00%
0/15 • From enrollment to end of follow-up at 1 year
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Colon cancer
2.1%
1/48 • Number of events 1 • From enrollment to end of follow-up at 1 year
0.00%
0/15 • From enrollment to end of follow-up at 1 year

Other adverse events

Other adverse events
Measure
Adults
n=48 participants at risk
PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days) in participants \> 17 years.
Pediatrics
n=15 participants at risk
PlasmaCap IG (10% Immunoglobulin Intravenous \[IGIV\]) administered by infusion at a dose between 300-900 mg/kg/infusion every 21 days (± 2 days) or 28 days (± 2 days) in participants \< 17 years.
Infections and infestations
Urinary tract infection
10.4%
5/48 • Number of events 6 • From enrollment to end of follow-up at 1 year
0.00%
0/15 • From enrollment to end of follow-up at 1 year
Infections and infestations
Acute sinusitis
8.3%
4/48 • Number of events 6 • From enrollment to end of follow-up at 1 year
0.00%
0/15 • From enrollment to end of follow-up at 1 year
Infections and infestations
Pharyngitis streptococcal
4.2%
2/48 • Number of events 2 • From enrollment to end of follow-up at 1 year
13.3%
2/15 • Number of events 7 • From enrollment to end of follow-up at 1 year
Injury, poisoning and procedural complications
Procedural headache
10.4%
5/48 • Number of events 12 • From enrollment to end of follow-up at 1 year
6.7%
1/15 • Number of events 1 • From enrollment to end of follow-up at 1 year
Musculoskeletal and connective tissue disorders
Pain in extremity
10.4%
5/48 • Number of events 6 • From enrollment to end of follow-up at 1 year
26.7%
4/15 • Number of events 10 • From enrollment to end of follow-up at 1 year
Musculoskeletal and connective tissue disorders
Arthralgia
8.3%
4/48 • Number of events 4 • From enrollment to end of follow-up at 1 year
6.7%
1/15 • Number of events 1 • From enrollment to end of follow-up at 1 year
Nervous system disorders
Headache
39.6%
19/48 • Number of events 58 • From enrollment to end of follow-up at 1 year
60.0%
9/15 • Number of events 66 • From enrollment to end of follow-up at 1 year
Respiratory, thoracic and mediastinal disorders
Cough
14.6%
7/48 • Number of events 7 • From enrollment to end of follow-up at 1 year
46.7%
7/15 • Number of events 10 • From enrollment to end of follow-up at 1 year
Respiratory, thoracic and mediastinal disorders
Oropharyngeal pain
12.5%
6/48 • Number of events 7 • From enrollment to end of follow-up at 1 year
26.7%
4/15 • Number of events 5 • From enrollment to end of follow-up at 1 year
Respiratory, thoracic and mediastinal disorders
Nasal congestion
4.2%
2/48 • Number of events 2 • From enrollment to end of follow-up at 1 year
26.7%
4/15 • Number of events 8 • From enrollment to end of follow-up at 1 year
Respiratory, thoracic and mediastinal disorders
Dyspnea
8.3%
4/48 • Number of events 5 • From enrollment to end of follow-up at 1 year
0.00%
0/15 • From enrollment to end of follow-up at 1 year
Skin and subcutaneous tissue disorders
Rash
4.2%
2/48 • Number of events 3 • From enrollment to end of follow-up at 1 year
20.0%
3/15 • Number of events 8 • From enrollment to end of follow-up at 1 year
Gastrointestinal disorders
Nausea
10.4%
5/48 • Number of events 7 • From enrollment to end of follow-up at 1 year
33.3%
5/15 • Number of events 5 • From enrollment to end of follow-up at 1 year
Gastrointestinal disorders
Vomiting
8.3%
4/48 • Number of events 5 • From enrollment to end of follow-up at 1 year
40.0%
6/15 • Number of events 7 • From enrollment to end of follow-up at 1 year
Gastrointestinal disorders
Diarrhea
12.5%
6/48 • Number of events 12 • From enrollment to end of follow-up at 1 year
13.3%
2/15 • Number of events 2 • From enrollment to end of follow-up at 1 year
General disorders
Fatigue
20.8%
10/48 • Number of events 13 • From enrollment to end of follow-up at 1 year
26.7%
4/15 • Number of events 10 • From enrollment to end of follow-up at 1 year
General disorders
Pyrexia
14.6%
7/48 • Number of events 10 • From enrollment to end of follow-up at 1 year
33.3%
5/15 • Number of events 7 • From enrollment to end of follow-up at 1 year
General disorders
Pain
10.4%
5/48 • Number of events 6 • From enrollment to end of follow-up at 1 year
6.7%
1/15 • Number of events 1 • From enrollment to end of follow-up at 1 year
General disorders
Chills
8.3%
4/48 • Number of events 6 • From enrollment to end of follow-up at 1 year
0.00%
0/15 • From enrollment to end of follow-up at 1 year
General disorders
Influenza like illness
8.3%
4/48 • Number of events 4 • From enrollment to end of follow-up at 1 year
0.00%
0/15 • From enrollment to end of follow-up at 1 year
General disorders
Malaise
4.2%
2/48 • Number of events 2 • From enrollment to end of follow-up at 1 year
13.3%
2/15 • Number of events 4 • From enrollment to end of follow-up at 1 year
Infections and infestations
Sinusitis
25.0%
12/48 • Number of events 18 • From enrollment to end of follow-up at 1 year
6.7%
1/15 • Number of events 3 • From enrollment to end of follow-up at 1 year
Infections and infestations
Upper respiratory tract infection
20.8%
10/48 • Number of events 15 • From enrollment to end of follow-up at 1 year
13.3%
2/15 • Number of events 3 • From enrollment to end of follow-up at 1 year
Infections and infestations
Nasopharyngitis
14.6%
7/48 • Number of events 11 • From enrollment to end of follow-up at 1 year
33.3%
5/15 • Number of events 9 • From enrollment to end of follow-up at 1 year
Infections and infestations
Influenza
8.3%
4/48 • Number of events 5 • From enrollment to end of follow-up at 1 year
20.0%
3/15 • Number of events 3 • From enrollment to end of follow-up at 1 year
Infections and infestations
Viral upper respiratory tract infection
14.6%
7/48 • Number of events 9 • From enrollment to end of follow-up at 1 year
0.00%
0/15 • From enrollment to end of follow-up at 1 year
Infections and infestations
Viral infection
6.2%
3/48 • Number of events 3 • From enrollment to end of follow-up at 1 year
20.0%
3/15 • Number of events 4 • From enrollment to end of follow-up at 1 year
Infections and infestations
Bronchitis
10.4%
5/48 • Number of events 8 • From enrollment to end of follow-up at 1 year
0.00%
0/15 • From enrollment to end of follow-up at 1 year

Additional Information

Oliver Vaute, PhD, MBA

Evolve Biologics

Phone: +16465695711

Results disclosure agreements

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