Trial Outcomes & Findings for Safety and Protective Efficacy of FF-3 Dry Powder in Healthy Subjects Infected With Influenza Challenge Strain (NCT NCT02423577)

NCT ID: NCT02423577

Last Updated: 2017-08-14

Results Overview

Percentage of Subjects Demonstrating Viral Shedding.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

79 participants

Primary outcome timeframe

Day 2 to Day 10

Results posted on

2017-08-14

Participant Flow

Potential subjects were screened to determine their susceptibility to infection with the challenge strain as indicated by a serum antibody titre less than 1:10. Only subjects susceptible to the challenge strain qualified for study specific screening.

Participant milestones

Participant milestones
Measure
FF-3 Dry Powder
FF-3 FF-3 dry powder: FF-3 dry powder administered by nasal inhalation
Placebo
Placebo: Placebo dry powder administered by nasal inhalation
Overall Study
STARTED
53
26
Overall Study
COMPLETED
53
26
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Safety and Protective Efficacy of FF-3 Dry Powder in Healthy Subjects Infected With Influenza Challenge Strain

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
FF-3 Dry Powder
n=53 Participants
FF-3 FF-3 dry powder: FF-3 dry powder administered by nasal inhalation
Placebo
n=26 Participants
Placebo: Placebo dry powder administered by nasal inhalation
Total
n=79 Participants
Total of all reporting groups
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United Kingdom
53 Participants
n=5 Participants
26 Participants
n=7 Participants
79 Participants
n=5 Participants
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
53 Participants
n=5 Participants
26 Participants
n=7 Participants
79 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Sex: Female, Male
Female
13 Participants
n=5 Participants
12 Participants
n=7 Participants
25 Participants
n=5 Participants
Sex: Female, Male
Male
40 Participants
n=5 Participants
14 Participants
n=7 Participants
54 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
4 Participants
n=5 Participants
3 Participants
n=7 Participants
7 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
49 Participants
n=5 Participants
23 Participants
n=7 Participants
72 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 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
2 Participants
n=5 Participants
1 Participants
n=7 Participants
3 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
3 Participants
n=5 Participants
0 Participants
n=7 Participants
3 Participants
n=5 Participants
Race (NIH/OMB)
White
43 Participants
n=5 Participants
22 Participants
n=7 Participants
65 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
5 Participants
n=5 Participants
2 Participants
n=7 Participants
7 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Day 2 to Day 10

Population: The percentage of subjects demonstrating viral shedding was estimated for each treatment with corresponding asymptotic 95% confidence intervals, based on the normal approximation to the binomial distribution (Wilsons's method)

Percentage of Subjects Demonstrating Viral Shedding.

Outcome measures

Outcome measures
Measure
FF-3 Dry Powder
n=53 Participants
FF-3 FF-3 dry powder: FF-3 dry powder administered by nasal inhalation
Placebo
n=26 Participants
Placebo: Placebo dry powder administered by nasal inhalation
Frequencies of Viral Shedding
51 Participants
22 Participants

Adverse Events

FF-3 Dry Powder

Serious events: 0 serious events
Other events: 46 other events
Deaths: 0 deaths

Placebo

Serious events: 0 serious events
Other events: 23 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
FF-3 Dry Powder
n=53 participants at risk
FF-3 FF-3 dry powder: FF-3 dry powder administered by nasal inhalation
Placebo
n=26 participants at risk
Placebo: Placebo dry powder administered by nasal inhalation
Injury, poisoning and procedural complications
Limb injury
1.9%
1/53 • Number of events 2
0.00%
0/26
Respiratory, thoracic and mediastinal disorders
Nasal congestion
9.4%
5/53 • Number of events 5
23.1%
6/26 • Number of events 6
Respiratory, thoracic and mediastinal disorders
Oropharyngeal pain
9.4%
5/53 • Number of events 6
26.9%
7/26 • Number of events 8
Respiratory, thoracic and mediastinal disorders
Rhinorrhoea
9.4%
5/53 • Number of events 5
0.00%
0/26
Respiratory, thoracic and mediastinal disorders
Nasal discomfort
3.8%
2/53 • Number of events 2
0.00%
0/26
Respiratory, thoracic and mediastinal disorders
Cough
3.8%
2/53 • Number of events 2
3.8%
1/26 • Number of events 2
Respiratory, thoracic and mediastinal disorders
Dyspnoea
1.9%
1/53 • Number of events 1
0.00%
0/26
Respiratory, thoracic and mediastinal disorders
Epistaxis
1.9%
1/53 • Number of events 1
3.8%
1/26 • Number of events 1
Respiratory, thoracic and mediastinal disorders
Wheezing
1.9%
1/53 • Number of events 1
0.00%
0/26
Respiratory, thoracic and mediastinal disorders
Sneezing
0.00%
0/53
7.7%
2/26 • Number of events 2
Nervous system disorders
Lethargy
3.8%
2/53 • Number of events 2
0.00%
0/26
Nervous system disorders
Headache
9.4%
5/53 • Number of events 5
3.8%
1/26 • Number of events 1
Nervous system disorders
Dysgeusia
1.9%
1/53 • Number of events 1
7.7%
2/26 • Number of events 2
Nervous system disorders
Restless Legs Syndrome
0.00%
0/53
3.8%
1/26 • Number of events 1
Eye disorders
Eye pain
1.9%
1/53 • Number of events 1
0.00%
0/26
General disorders
Influenza Like Illness
64.2%
34/53 • Number of events 36
53.8%
14/26 • Number of events 14
General disorders
Vessel Puncture Site Haematoma
1.9%
1/53 • Number of events 1
0.00%
0/26
General disorders
Fatigue
1.9%
1/53 • Number of events 1
3.8%
1/26 • Number of events 1
General disorders
Medical device site rash
0.00%
0/53
3.8%
1/26 • Number of events 1
General disorders
Feeling Hot
0.00%
0/53
11.5%
3/26 • Number of events 3
Gastrointestinal disorders
Diarrhoea
1.9%
1/53 • Number of events 1
0.00%
0/26
General disorders
Nausea
3.8%
2/53 • Number of events 2
11.5%
3/26 • Number of events 3
Skin and subcutaneous tissue disorders
Rash
3.8%
2/53 • Number of events 2
0.00%
0/26
Skin and subcutaneous tissue disorders
Pruritis
1.9%
1/53 • Number of events 1
0.00%
0/26
Musculoskeletal and connective tissue disorders
Back Pain
1.9%
1/53 • Number of events 1
3.8%
1/26 • Number of events 1
Musculoskeletal and connective tissue disorders
Pain In Extremity
1.9%
1/53 • Number of events 1
0.00%
0/26
Musculoskeletal and connective tissue disorders
Myalgia
0.00%
0/53
3.8%
1/26 • Number of events 1
Musculoskeletal and connective tissue disorders
Paraesthesia
0.00%
0/53
3.8%
1/26 • Number of events 1
Infections and infestations
Otitis Media
1.9%
1/53 • Number of events 1
0.00%
0/26
Infections and infestations
Conjunctivitis
0.00%
0/53
3.8%
1/26 • Number of events 1

Additional Information

Russell Wilson, PhD

President and Chief Scientific Officer

Phone: 504-896-2789

Results disclosure agreements

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