Trial Outcomes & Findings for Standard Versus High Dose Inactivated Influenza Vaccine in RA (NCT NCT02936180)

NCT ID: NCT02936180

Last Updated: 2024-08-13

Results Overview

Seroconversion rate (SCR): proportion of subjects in a given treatment group (SD- or HD) with either a ≥4-fold increase in reciprocal HI titres between D0 and D28 or a rise of undetectable HI titre (i.e. \<1:10) pre-vaccination (D0) to an HI titre of ≥1:40 at D28 post vaccination.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

279 participants

Primary outcome timeframe

Day 28

Results posted on

2024-08-13

Participant Flow

Participant milestones

Participant milestones
Measure
Standard Dose Influenza Vaccine
Patients will receive one dose of FLUZONE® Standard Dose Quadrivalent Inactivated Influenza Vaccine (SD-QIV) SD-QIV
High Dose Influenza Vaccine
Patients will receive one dose of FLUZONE® High Dose Trivalent Inactivated Influenza Vaccine (HD-TIV) HD-TIV
Overall Study
STARTED
140
139
Overall Study
COMPLETED
127
121
Overall Study
NOT COMPLETED
13
18

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Standard Versus High Dose Inactivated Influenza Vaccine in RA

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Standard Dose Influenza Vaccine
n=136 Participants
Patients will receive one dose of FLUZONE® Standard Dose Quadrivalent Inactivated Influenza Vaccine (SD-QIV) SD-QIV
High Dose Influenza Vaccine
n=138 Participants
Patients will receive one dose of FLUZONE® High Dose Trivalent Inactivated Influenza Vaccine (HD-TIV) HD-TIV
Total
n=274 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
77 Participants
n=5 Participants
85 Participants
n=7 Participants
162 Participants
n=5 Participants
Age, Categorical
>=65 years
59 Participants
n=5 Participants
53 Participants
n=7 Participants
112 Participants
n=5 Participants
Age, Continuous
61.9 years
STANDARD_DEVIATION 11.8 • n=5 Participants
59.7 years
STANDARD_DEVIATION 13.9 • n=7 Participants
60.8 years
STANDARD_DEVIATION 12.85 • n=5 Participants
Sex: Female, Male
Female
109 Participants
n=5 Participants
109 Participants
n=7 Participants
218 Participants
n=5 Participants
Sex: Female, Male
Male
27 Participants
n=5 Participants
29 Participants
n=7 Participants
56 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
14 Participants
n=5 Participants
13 Participants
n=7 Participants
27 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
7 Participants
n=5 Participants
6 Participants
n=7 Participants
13 Participants
n=5 Participants
Race (NIH/OMB)
White
106 Participants
n=5 Participants
110 Participants
n=7 Participants
216 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
9 Participants
n=5 Participants
9 Participants
n=7 Participants
18 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Day 28

Seroconversion rate (SCR): proportion of subjects in a given treatment group (SD- or HD) with either a ≥4-fold increase in reciprocal HI titres between D0 and D28 or a rise of undetectable HI titre (i.e. \<1:10) pre-vaccination (D0) to an HI titre of ≥1:40 at D28 post vaccination.

Outcome measures

Outcome measures
Measure
Standard Dose Influenza Vaccine
n=136 Participants
Patients will receive one dose of FLUZONE® Standard Dose Quadrivalent Inactivated Influenza Vaccine (SD-QIV) SD-QIV
High Dose Influenza Vaccine
n=138 Participants
Patients will receive one dose of FLUZONE® High Dose Trivalent Inactivated Influenza Vaccine (HD-TIV) HD-TIV
Seroconversion Rate to HD- Versus SD-IV in People With RA
12 Participants
31 Participants

PRIMARY outcome

Timeframe: Day 28

Seroprotection rate (SPR): the proportion of subjects in a given treatment group attaining a reciprocal HI titre of ≥1:40 at D28 post-vaccination.

Outcome measures

Outcome measures
Measure
Standard Dose Influenza Vaccine
n=136 Participants
Patients will receive one dose of FLUZONE® Standard Dose Quadrivalent Inactivated Influenza Vaccine (SD-QIV) SD-QIV
High Dose Influenza Vaccine
n=138 Participants
Patients will receive one dose of FLUZONE® High Dose Trivalent Inactivated Influenza Vaccine (HD-TIV) HD-TIV
Seroprotection Rate to HD- Versus SD-IV in People With RA
42 Participants
67 Participants

PRIMARY outcome

Timeframe: Day 28

Geometric mean titres (GMTs) of HI at D28.

Outcome measures

Outcome measures
Measure
Standard Dose Influenza Vaccine
n=136 Participants
Patients will receive one dose of FLUZONE® Standard Dose Quadrivalent Inactivated Influenza Vaccine (SD-QIV) SD-QIV
High Dose Influenza Vaccine
n=138 Participants
Patients will receive one dose of FLUZONE® High Dose Trivalent Inactivated Influenza Vaccine (HD-TIV) HD-TIV
Geometric Mean Titres (GMTs) of HI in People With RA Who Received HD- Versus SD-IV
1.56 titer
Interval 1.22 to 1.9
2.06 titer
Interval 1.12 to 3.0

SECONDARY outcome

Timeframe: Day 186

Number of participants with detectable HI antibodies at Day 186

Outcome measures

Outcome measures
Measure
Standard Dose Influenza Vaccine
n=127 Participants
Patients will receive one dose of FLUZONE® Standard Dose Quadrivalent Inactivated Influenza Vaccine (SD-QIV) SD-QIV
High Dose Influenza Vaccine
n=121 Participants
Patients will receive one dose of FLUZONE® High Dose Trivalent Inactivated Influenza Vaccine (HD-TIV) HD-TIV
Durability of Detectable Levels of HI Antibody for SD- and HD- IV.
29 Participants
43 Participants

SECONDARY outcome

Timeframe: Day 28

Number of Participants with Side Effects

Outcome measures

Outcome measures
Measure
Standard Dose Influenza Vaccine
n=136 Participants
Patients will receive one dose of FLUZONE® Standard Dose Quadrivalent Inactivated Influenza Vaccine (SD-QIV) SD-QIV
High Dose Influenza Vaccine
n=138 Participants
Patients will receive one dose of FLUZONE® High Dose Trivalent Inactivated Influenza Vaccine (HD-TIV) HD-TIV
Rates of Side Effects During the Surveillance Period in SD- and HD-IV.
19 Participants
20 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: Day 186

Outcome measures

Outcome data not reported

OTHER_PRE_SPECIFIED outcome

Timeframe: Day 186

Outcome measures

Outcome data not reported

Adverse Events

Standard Dose Influenza Vaccine

Serious events: 0 serious events
Other events: 14 other events
Deaths: 1 deaths

High Dose Influenza Vaccine

Serious events: 0 serious events
Other events: 19 other events
Deaths: 2 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Standard Dose Influenza Vaccine
n=136 participants at risk
Patients will receive one dose of FLUZONE® Standard Dose Quadrivalent Inactivated Influenza Vaccine (SD-QIV) SD-QIV
High Dose Influenza Vaccine
n=138 participants at risk
Patients will receive one dose of FLUZONE® High Dose Trivalent Inactivated Influenza Vaccine (HD-TIV) HD-TIV
Respiratory, thoracic and mediastinal disorders
Unsolicited adverse events
10.3%
14/136 • 6 months
13.8%
19/138 • 6 months

Additional Information

Ines Colmegna, MD

McGill University

Phone: 514-934-1934

Results disclosure agreements

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