Trial Outcomes & Findings for Study of High-dose Influenza Vaccine Efficacy by Repeated Dosing IN Gammopathy Patients (NCT NCT02566265)

NCT ID: NCT02566265

Last Updated: 2019-01-30

Results Overview

Any documented flu infection during the 2015-2016 flu season or evidence of disease progression.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

122 participants

Primary outcome timeframe

1 year

Results posted on

2019-01-30

Participant Flow

Participant milestones

Participant milestones
Measure
Fluzone High Dose Vaccine Then Fluzone High Dose Booster
Fluzone High dose vaccine administered at Day 0. Fluzone High dose vaccine administered as a booster after 30 days from the initial vaccine. Fluzone High Dose Vaccine
Standard of Care
Fluzone High-Dose if age greater than or equal to 65 or Standard dose influenza vaccine if age less than 65 at day 0. Placebo administered 30 days after the initial vaccine. Standard of care/Placebo
Overall Study
STARTED
81
41
Overall Study
Day 7 (+/- 2 Days) (Optional)
19
12
Overall Study
Day of Second Vaccine
74
41
Overall Study
30 Days Following 2nd Vaccine
72
35
Overall Study
End of Study Visit (Optional)
38
18
Overall Study
COMPLETED
72
35
Overall Study
NOT COMPLETED
9
6

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Fluzone High Dose Vaccine Then Fluzone High Dose Booster
n=81 Participants
Fluzone High dose vaccine administered at Day 0. Fluzone High dose vaccine administered as a booster after 30 days from the initial vaccine. Fluzone High Dose Vaccine
Standard of Care
n=41 Participants
Fluzone High-Dose if age greater than or equal to 65 or Standard dose influenza vaccine if age less than 65 at day 0. Placebo administered 30 days after the initial vaccine. Standard of care/Placebo
Total
n=122 Participants
Total of all reporting groups
Age, Continuous
67 years
n=81 Participants
66 years
n=41 Participants
67 years
n=122 Participants
Sex: Female, Male
Female
42 Participants
n=81 Participants
18 Participants
n=41 Participants
60 Participants
n=122 Participants
Sex: Female, Male
Male
39 Participants
n=81 Participants
23 Participants
n=41 Participants
62 Participants
n=122 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
Region of Enrollment
United States
81 Participants
n=81 Participants
41 Participants
n=41 Participants
122 Participants
n=122 Participants
Detailed Diagnosis
Multiple Myeloma
53 Participants
n=81 Participants
28 Participants
n=41 Participants
81 Participants
n=122 Participants
Detailed Diagnosis
WM
6 Participants
n=81 Participants
4 Participants
n=41 Participants
10 Participants
n=122 Participants
Detailed Diagnosis
Other
3 Participants
n=81 Participants
1 Participants
n=41 Participants
4 Participants
n=122 Participants
Detailed Diagnosis
Asymptomatic Myeloma
8 Participants
n=81 Participants
1 Participants
n=41 Participants
9 Participants
n=122 Participants
Detailed Diagnosis
Asymptomatic WM
0 Participants
n=81 Participants
3 Participants
n=41 Participants
3 Participants
n=122 Participants
Detailed Diagnosis
MGUS
11 Participants
n=81 Participants
4 Participants
n=41 Participants
15 Participants
n=122 Participants
Disease Stage
Advanced
64 Participants
n=81 Participants
32 Participants
n=41 Participants
96 Participants
n=122 Participants
Disease Stage
Early
17 Participants
n=81 Participants
9 Participants
n=41 Participants
26 Participants
n=122 Participants

PRIMARY outcome

Timeframe: 1 year

Any documented flu infection during the 2015-2016 flu season or evidence of disease progression.

Outcome measures

Outcome measures
Measure
Fluzone High Dose Vaccine Then Fluzone High Dose Booster
n=81 Participants
Fluzone High dose vaccine administered at Day 0. Fluzone High dose vaccine administered as a booster after 30 days from the initial vaccine. Fluzone High Dose Vaccine
Standard of Care
n=41 Participants
Fluzone High-Dose if age greater than or equal to 65 or Standard dose influenza vaccine if age less than 65 at day 0. Placebo administered 30 days after the initial vaccine. Standard of care/Placebo
Number of Participants With Treatment Failure by Primary Endpoint
26 Participants
13 Participants

Adverse Events

Fluzone High Dose Vaccine Then Fluzone High Dose Booster

Serious events: 8 serious events
Other events: 0 other events
Deaths: 5 deaths

Standard of Care

Serious events: 1 serious events
Other events: 0 other events
Deaths: 2 deaths

Serious adverse events

Serious adverse events
Measure
Fluzone High Dose Vaccine Then Fluzone High Dose Booster
n=81 participants at risk
Fluzone High dose vaccine administered at Day 0. Fluzone High dose vaccine administered as a booster after 30 days from the initial vaccine. Fluzone High Dose Vaccine
Standard of Care
n=41 participants at risk
Fluzone High-Dose if age greater than or equal to 65 or Standard dose influenza vaccine if age less than 65 at day 0. Placebo administered 30 days after the initial vaccine. Standard of care/Placebo
Vascular disorders
Intracranial hemorrhage
2.5%
2/81 • Number of events 2 • Adverse event data were collected up to 12 months after initial vaccination
The definition does not differ.
0.00%
0/41 • Adverse event data were collected up to 12 months after initial vaccination
The definition does not differ.
Gastrointestinal disorders
Small intestinal obstruction
1.2%
1/81 • Number of events 1 • Adverse event data were collected up to 12 months after initial vaccination
The definition does not differ.
0.00%
0/41 • Adverse event data were collected up to 12 months after initial vaccination
The definition does not differ.
Immune system disorders
Febrile neutropenia
2.5%
2/81 • Number of events 2 • Adverse event data were collected up to 12 months after initial vaccination
The definition does not differ.
0.00%
0/41 • Adverse event data were collected up to 12 months after initial vaccination
The definition does not differ.
Infections and infestations
Sepsis
0.00%
0/81 • Adverse event data were collected up to 12 months after initial vaccination
The definition does not differ.
2.4%
1/41 • Number of events 1 • Adverse event data were collected up to 12 months after initial vaccination
The definition does not differ.
Vascular disorders
Thromboembolic event
2.5%
2/81 • Number of events 2 • Adverse event data were collected up to 12 months after initial vaccination
The definition does not differ.
0.00%
0/41 • Adverse event data were collected up to 12 months after initial vaccination
The definition does not differ.
Respiratory, thoracic and mediastinal disorders
Pneumonitis
1.2%
1/81 • Number of events 1 • Adverse event data were collected up to 12 months after initial vaccination
The definition does not differ.
0.00%
0/41 • Adverse event data were collected up to 12 months after initial vaccination
The definition does not differ.
Nervous system disorders
Seizure
1.2%
1/81 • Number of events 1 • Adverse event data were collected up to 12 months after initial vaccination
The definition does not differ.
0.00%
0/41 • Adverse event data were collected up to 12 months after initial vaccination
The definition does not differ.

Other adverse events

Adverse event data not reported

Additional Information

Andrew Branagan, MD

Yale University School of Medicine

Phone: 617-459-5234

Results disclosure agreements

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