Trial Outcomes & Findings for T-cell And General Immune Response to Seasonal Influenza Vaccine (SLVP018) - Year 1, 2009 (NCT NCT01987349)

NCT ID: NCT01987349

Last Updated: 2017-05-12

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

72 participants

Primary outcome timeframe

Day 0 to 28

Results posted on

2017-05-12

Participant Flow

Numbers listed in the tables reflect individual twins and not twin pairs.

Participant milestones

Participant milestones
Measure
Group A: Age 8-17 yo Identical Twins
Participants will be randomized to receive Fluzone® (intramuscular)
Group A: Age 8-17yo Identical Twins
Participants will be randomized to receive FluMist® (intranasal)
Group B: Age 18-30 yo Identical Twins
Participants to receive FluMist® (intranasal)
Group C: Age 18-30 yo Fraternal Twins
Participants to receive FluMist® (intranasal)
Group D: Age 40-49 yo Identical Twins
Participants to receive FluMist® (intranasal)
Group E: Age 40-49 yo Fraternal Twins
Participants to receive FluMist® (intranasal)
Group F: 70-100 yo Identical Twins
Participants to receive Fluzone® (intramuscular)
Group G: 70-100 yo Nontwins
Participants to receive Fluzone® (intramuscular)
Overall Study
STARTED
6
6
8
6
6
6
10
25
Overall Study
COMPLETED
6
6
8
6
6
6
10
24
Overall Study
NOT COMPLETED
0
0
0
0
0
0
0
1

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

T-cell And General Immune Response to Seasonal Influenza Vaccine (SLVP018) - Year 1, 2009

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Group A: Age 8-17 yo Identical Twins (Fluzone)
n=6 Participants
Participants will be randomized to receive Fluzone® (intramuscular)
Group A: Age 8-17 yo Identical Twins (FluMist)
n=6 Participants
Participants will be randomized to receive FluMist® (intranasal)
Group B: Age 18-30 yo Identical Twins
n=8 Participants
Participants to receive FluMist® (intranasal)
Group C: Age 18-30 yo Fraternal Twins
n=6 Participants
Participants to receive FluMist® (intranasal)
Group D: Age 40-49 yo Identical Twins
n=6 Participants
Participants to receive FluMist® (intranasal)
Group E: Age 40-49 yo Fraternal Twins
n=6 Participants
Participants to receive FluMist® (intranasal)
Group F: 70-100 yo Identical Twins
n=10 Participants
Participants to receive Fluzone® (intramuscular)
Group G: 70-100 yo Nontwins
n=24 Participants
Participants to receive Fluzone® (intramuscular)
Total
n=72 Participants
Total of all reporting groups
Age, Categorical
<=18 years
6 Participants
n=5 Participants
6 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=10 Participants
0 Participants
n=115 Participants
0 Participants
n=6 Participants
12 Participants
n=6 Participants
Age, Categorical
Between 18 and 65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
8 Participants
n=5 Participants
6 Participants
n=4 Participants
6 Participants
n=21 Participants
6 Participants
n=10 Participants
0 Participants
n=115 Participants
0 Participants
n=6 Participants
26 Participants
n=6 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=10 Participants
10 Participants
n=115 Participants
24 Participants
n=6 Participants
34 Participants
n=6 Participants
Sex: Female, Male
Female
2 Participants
n=5 Participants
2 Participants
n=7 Participants
4 Participants
n=5 Participants
4 Participants
n=4 Participants
4 Participants
n=21 Participants
4 Participants
n=10 Participants
4 Participants
n=115 Participants
18 Participants
n=6 Participants
42 Participants
n=6 Participants
Sex: Female, Male
Male
4 Participants
n=5 Participants
4 Participants
n=7 Participants
4 Participants
n=5 Participants
2 Participants
n=4 Participants
2 Participants
n=21 Participants
2 Participants
n=10 Participants
6 Participants
n=115 Participants
6 Participants
n=6 Participants
30 Participants
n=6 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
0 Participants
n=7 Participants
2 Participants
n=5 Participants
2 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=10 Participants
0 Participants
n=115 Participants
0 Participants
n=6 Participants
4 Participants
n=6 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
6 Participants
n=5 Participants
6 Participants
n=7 Participants
6 Participants
n=5 Participants
4 Participants
n=4 Participants
6 Participants
n=21 Participants
6 Participants
n=10 Participants
10 Participants
n=115 Participants
24 Participants
n=6 Participants
68 Participants
n=6 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=10 Participants
0 Participants
n=115 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
2 Participants
n=10 Participants
0 Participants
n=115 Participants
0 Participants
n=6 Participants
2 Participants
n=6 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=10 Participants
0 Participants
n=115 Participants
1 Participants
n=6 Participants
1 Participants
n=6 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
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=10 Participants
0 Participants
n=115 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
2 Participants
n=10 Participants
0 Participants
n=115 Participants
0 Participants
n=6 Participants
2 Participants
n=6 Participants
Race (NIH/OMB)
White
6 Participants
n=5 Participants
6 Participants
n=7 Participants
6 Participants
n=5 Participants
6 Participants
n=4 Participants
6 Participants
n=21 Participants
2 Participants
n=10 Participants
10 Participants
n=115 Participants
23 Participants
n=6 Participants
65 Participants
n=6 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
2 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=10 Participants
0 Participants
n=115 Participants
0 Participants
n=6 Participants
2 Participants
n=6 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=10 Participants
0 Participants
n=115 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants

PRIMARY outcome

Timeframe: Day 0 to 28

Outcome measures

Outcome measures
Measure
Group A: Age 8-17 yo Identical Twins (IM)
n=6 Participants
Participants will be randomized to receive Fluzone® (intramuscular) Fluzone® (intramuscular): Licensed seasonal trivalent inactivated influenza vaccine (IIV3)
Group A: Age 8-17 yo Identical Twins (IN)
n=6 Participants
Participants will be randomized to receive FluMist® (intranasal FluMist®: Licensed trivalent seasonal live attenuated influenza vaccine (LAIV3)
Group B: 18-30 yo Identical Twins
n=8 Participants
Participants to receive FluMist® (intranasal) FluMist® (intranasal): Licensed trivalent seasonal live attenuated influenza vaccine (LAIV3)
Group C: 18-30 yo Fraternal Twins
n=6 Participants
Participants to receive Flumist® (intranasal) Flumist® (intranasal): Licensed trivalent seasonal live attenuated influenza vaccine (LAIV3)
Group D: 40-49 yo Identical Twins
n=6 Participants
Participants to receive Flumist® (intranasal) Flumist® (intranasal): Licensed trivalent seasonal live attenuated influenza vaccine (LAIV3)
Group E: 40-49 yo Fraternal Twins
n=6 Participants
Participants to receive Flumist® (intranasal) Flumist® (intranasal): Licensed trivalent seasonal live attenuated influenza vaccine (LAIV3)
Group F: 70-100 yo Twins
n=10 Participants
Participants to receive Fluzone® (intramuscular) Fluzone® (intramuscular): Licensed seasonal trivalent inactivated influenza vaccine (IIV3)
Group G: 70-100 yo Non-twins
n=24 Participants
Participants to receive Fluzone® (intramuscular) Fluzone® (intramuscular): Licensed seasonal trivalent inactivated influenza vaccine (IIV3)
Number of Participants From Each Arm Who Received Influenza Vaccine Vaccine
6 Participants
6 Participants
8 Participants
6 Participants
6 Participants
6 Participants
10 Participants
24 Participants

SECONDARY outcome

Timeframe: Day 0 to 28 post-immunization

Outcome measures

Outcome measures
Measure
Group A: Age 8-17 yo Identical Twins (IM)
n=6 Participants
Participants will be randomized to receive Fluzone® (intramuscular) Fluzone® (intramuscular): Licensed seasonal trivalent inactivated influenza vaccine (IIV3)
Group A: Age 8-17 yo Identical Twins (IN)
n=6 Participants
Participants will be randomized to receive FluMist® (intranasal FluMist®: Licensed trivalent seasonal live attenuated influenza vaccine (LAIV3)
Group B: 18-30 yo Identical Twins
n=8 Participants
Participants to receive FluMist® (intranasal) FluMist® (intranasal): Licensed trivalent seasonal live attenuated influenza vaccine (LAIV3)
Group C: 18-30 yo Fraternal Twins
n=6 Participants
Participants to receive Flumist® (intranasal) Flumist® (intranasal): Licensed trivalent seasonal live attenuated influenza vaccine (LAIV3)
Group D: 40-49 yo Identical Twins
n=6 Participants
Participants to receive Flumist® (intranasal) Flumist® (intranasal): Licensed trivalent seasonal live attenuated influenza vaccine (LAIV3)
Group E: 40-49 yo Fraternal Twins
n=6 Participants
Participants to receive Flumist® (intranasal) Flumist® (intranasal): Licensed trivalent seasonal live attenuated influenza vaccine (LAIV3)
Group F: 70-100 yo Twins
n=10 Participants
Participants to receive Fluzone® (intramuscular) Fluzone® (intramuscular): Licensed seasonal trivalent inactivated influenza vaccine (IIV3)
Group G: 70-100 yo Non-twins
n=24 Participants
Participants to receive Fluzone® (intramuscular) Fluzone® (intramuscular): Licensed seasonal trivalent inactivated influenza vaccine (IIV3)
Number of Participants With Related Adverse Events
0 Participants
0 Participants
0 Participants
0 Participants
0 Participants
0 Participants
0 Participants
0 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: Day 6-28 post-immunization

Compare lymphocyte responses at Days 6-14 and the lymphocyte and serology responses at Day 28 post-immunization following annual administration of the influenza vaccines

Outcome measures

Outcome data not reported

Adverse Events

Group A: Age 8-17 yo Identical Twins (Fluzone)

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

Group A: Age 8-17 yo Identical Twins (Flumist)

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

Group B: 18-30 yo Identical Twin Pairs

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

Group C: 18-30 yo Fraternal Twins

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

Group D: 40-49 yo Identical Twins

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

Group E: 40-49 yo Fraternal Twins

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

Group F: 70-100 yo Twins

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

Group G: 70-100 yo Non-twins

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

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