Trial Outcomes & Findings for Responses to Influenza Vaccine in Patients With Mitochondrial Disorders (MELAS) (NCT NCT01831934)

NCT ID: NCT01831934

Last Updated: 2017-05-30

Results Overview

We will measure solicited local and systemic adverse events and SAEs for 1 month following immunization

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

22 participants

Primary outcome timeframe

Day 0 to Day28

Results posted on

2017-05-30

Participant Flow

Participant milestones

Participant milestones
Measure
MELAS Group:13-60 Years of Age.
Fluzone® 2011-2012 Formula Fluzone® 2011-2012 Formula: Quadrivalent inactivated influenza vaccine given given intramuscularly in 0.5ml doses.
Control Group: 18-65 Years of Age
Fluzone® 2011-2012 Formula Fluzone® 2011-2012 Formula: Quadrivalent inactivated influenza vaccine given given intramuscularly in 0.5ml doses.
Overall Study
STARTED
12
10
Overall Study
COMPLETED
11
10
Overall Study
NOT COMPLETED
1
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Responses to Influenza Vaccine in Patients With Mitochondrial Disorders (MELAS)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
MELAS Group
n=12 Participants
Fluzone® Fluzone®
Control Group
n=10 Participants
Fluzone® Fluzone®
Total
n=22 Participants
Total of all reporting groups
Age, Continuous
38.74 years
STANDARD_DEVIATION 8.06 • n=39 Participants
37.39 years
STANDARD_DEVIATION 10.04 • n=41 Participants
38.13 years
STANDARD_DEVIATION 8.99 • n=35 Participants
Sex: Female, Male
Female
9 Participants
n=39 Participants
6 Participants
n=41 Participants
15 Participants
n=35 Participants
Sex: Female, Male
Male
3 Participants
n=39 Participants
4 Participants
n=41 Participants
7 Participants
n=35 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=39 Participants
0 Participants
n=41 Participants
1 Participants
n=35 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
11 Participants
n=39 Participants
9 Participants
n=41 Participants
20 Participants
n=35 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=39 Participants
1 Participants
n=41 Participants
1 Participants
n=35 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
Race (NIH/OMB)
Asian
1 Participants
n=39 Participants
4 Participants
n=41 Participants
5 Participants
n=35 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
Race (NIH/OMB)
White
9 Participants
n=39 Participants
4 Participants
n=41 Participants
13 Participants
n=35 Participants
Race (NIH/OMB)
More than one race
2 Participants
n=39 Participants
1 Participants
n=41 Participants
3 Participants
n=35 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=39 Participants
1 Participants
n=41 Participants
1 Participants
n=35 Participants
Region of Enrollment
United States
12 participants
n=39 Participants
10 participants
n=41 Participants
22 participants
n=35 Participants

PRIMARY outcome

Timeframe: Day 0 to Day28

We will measure solicited local and systemic adverse events and SAEs for 1 month following immunization

Outcome measures

Outcome measures
Measure
MELAS Group
n=12 Participants
Fluzone® 2011-2012 Formula Fluzone® 2011-2012 Formula: This vaccine is given intramuscularly
Control Group
n=10 Participants
Fluzone® 2011-2012 Formula Fluzone® 2011-2012 Formula: This vaccine is given intramuscularly
Clinical Safety of TIV Vaccine
Number of Adverse Events
4 Participants
0 Participants
Clinical Safety of TIV Vaccine
Number of Severe Adverse Events
0 Participants
0 Participants
Clinical Safety of TIV Vaccine
Number with no Adverse Events
8 Participants
10 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: Day 0-Day28

This method relies on the ability of intracellular glutathione S-transferases to tag GSH to bimane to yield a bimane-GS conjugate that fluoresces at 440 nm.

Outcome measures

Outcome data not reported

Adverse Events

MELAS Group

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

Control Group

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
MELAS Group
n=12 participants at risk
Fluzone® Fluzone®
Control Group
n=10 participants at risk
Fluzone® Fluzone®
Nervous system disorders
Seizure
8.3%
1/12 • Number of events 3 • 30 days post immunization
0.00%
0/10 • 30 days post immunization
General disorders
Nasal Discharge
16.7%
2/12 • Number of events 2 • 30 days post immunization
0.00%
0/10 • 30 days post immunization
Musculoskeletal and connective tissue disorders
Muscle Spasm
8.3%
1/12 • Number of events 1 • 30 days post immunization
0.00%
0/10 • 30 days post immunization

Additional Information

Dr Cornelia Dekker

Stanford University School of Medicine, Dept. of Pediatrics

Phone: 650-724-4437

Results disclosure agreements

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