Trial Outcomes & Findings for Trial to Evaluate the Immunogenicity and Safety of Panblok® (H7 rHA) in Healthy Adults Aged 18 and Older (NCT NCT02464163)

NCT ID: NCT02464163

Last Updated: 2017-10-26

Results Overview

The primary endpoint will be "seroprotection rate" to the selected dose of adjuvanted H7 rHA, defined by a post-vaccination HAI titer ≥40 on Day 42. The definition of success will be a lower bound of the two-sided 95% CI ≥ 70% for adults \<65 and ≥60% for adults ≥65 years of age.

Recruitment status

COMPLETED

Study phase

PHASE1/PHASE2

Target enrollment

407 participants

Primary outcome timeframe

42 Days

Results posted on

2017-10-26

Participant Flow

Participant milestones

Participant milestones
Measure
Panblok 30µg in 2% SE
30µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 15µg in 2% SE
15µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 7.5µg in 2% SE
7.5µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 30µg (No Adjuvant)
30µg recombinant hemagglutinin (no adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection
Overall Study
STARTED
102
102
102
101
Overall Study
COMPLETED
99
94
97
96
Overall Study
NOT COMPLETED
3
8
5
5

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Trial to Evaluate the Immunogenicity and Safety of Panblok® (H7 rHA) in Healthy Adults Aged 18 and Older

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Panblok 7.5µg in 2% SE
n=95 Participants
7.5µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 15µg in 2% SE
n=94 Participants
15µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 30µg in 2% SE
n=99 Participants
30µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 30µg (No Adjuvant)
n=94 Participants
30µg recombinant hemagglutinin (no adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection
Total
n=382 Participants
Total of all reporting groups
Age, Customized
Age, Categorical · <65 Years
45 Participants
n=5 Participants
45 Participants
n=7 Participants
49 Participants
n=5 Participants
42 Participants
n=4 Participants
181 Participants
n=21 Participants
Age, Customized
Age, Categorical · >=65 Years
50 Participants
n=5 Participants
49 Participants
n=7 Participants
50 Participants
n=5 Participants
52 Participants
n=4 Participants
201 Participants
n=21 Participants
Sex: Female, Male
Female
62 Participants
n=5 Participants
54 Participants
n=7 Participants
56 Participants
n=5 Participants
61 Participants
n=4 Participants
233 Participants
n=21 Participants
Sex: Female, Male
Male
33 Participants
n=5 Participants
40 Participants
n=7 Participants
43 Participants
n=5 Participants
33 Participants
n=4 Participants
149 Participants
n=21 Participants

PRIMARY outcome

Timeframe: 42 Days

Population: Modified Per Protocol Population

The primary endpoint will be "seroprotection rate" to the selected dose of adjuvanted H7 rHA, defined by a post-vaccination HAI titer ≥40 on Day 42. The definition of success will be a lower bound of the two-sided 95% CI ≥ 70% for adults \<65 and ≥60% for adults ≥65 years of age.

Outcome measures

Outcome measures
Measure
Panblok 7.5µg in 2% SE
n=95 Participants
7.5µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 15µg in 2% SE
n=94 Participants
15µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 30µg in 2% SE
n=99 Participants
30µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 30µg (No Adjuvant)
n=94 Participants
30µg recombinant hemagglutinin (no adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection
Demonstrate That the Immunogenicity of Adjuvanted Panblok H7 rHA is Sufficient to Support Emergency Use Authorization in the Event of a Declared Pandemic.
11 Participants
9 Participants
15 Participants
1 Participants

SECONDARY outcome

Timeframe: 7 Days

Population: Reactogenicity Population

Solicited events of local and systemic reactogenicity Days 0-7

Outcome measures

Outcome measures
Measure
Panblok 7.5µg in 2% SE
n=100 Participants
7.5µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 15µg in 2% SE
n=101 Participants
15µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 30µg in 2% SE
n=101 Participants
30µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 30µg (No Adjuvant)
n=97 Participants
30µg recombinant hemagglutinin (no adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection
Reactogenicity Immediately After Each Injection, Extending to Day 7
7 Days After First Vaccination
37 Participants
33 Participants
33 Participants
27 Participants
Reactogenicity Immediately After Each Injection, Extending to Day 7
7 Days After Second Vaccination
30 Participants
30 Participants
26 Participants
18 Participants

SECONDARY outcome

Timeframe: 13 months

Population: Safety Population

Outcome measures

Outcome measures
Measure
Panblok 7.5µg in 2% SE
n=100 Participants
7.5µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 15µg in 2% SE
n=101 Participants
15µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 30µg in 2% SE
n=102 Participants
30µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 30µg (No Adjuvant)
n=97 Participants
30µg recombinant hemagglutinin (no adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Angina unstable
0 Participants
0 Participants
1 Participants
0 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Myocardial infarction
0 Participants
0 Participants
0 Participants
1 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Sinus bradycardia
0 Participants
0 Participants
1 Participants
0 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Chest pain
0 Participants
0 Participants
1 Participants
0 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Appendicitis
1 Participants
0 Participants
0 Participants
0 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Cellulitis
0 Participants
1 Participants
0 Participants
0 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Rib fracture
1 Participants
0 Participants
0 Participants
0 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Upper limb fracture
0 Participants
0 Participants
0 Participants
1 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Arthralgia
1 Participants
0 Participants
0 Participants
0 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Fracture malunion
0 Participants
1 Participants
0 Participants
0 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Musculoskeletal pain
1 Participants
0 Participants
0 Participants
0 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Osteoarthritis
2 Participants
0 Participants
0 Participants
0 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Osteolysis
0 Participants
1 Participants
0 Participants
0 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Cervicobrachial syndrome
1 Participants
0 Participants
0 Participants
0 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Syncope
0 Participants
0 Participants
1 Participants
0 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
VIIth nerve paralysis
1 Participants
0 Participants
0 Participants
0 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Suicide attempt
0 Participants
1 Participants
0 Participants
0 Participants
Long-term Safety Assessed by Incidence of SAEs, NOCIs. AESs Over 12 Months Following Vaccination
Peripheral arterial occlusive disease
0 Participants
0 Participants
1 Participants
0 Participants

SECONDARY outcome

Timeframe: 42 Days

Population: Safety Population

Unsolicited adverse events (UAEs) Days 0-42.

Outcome measures

Outcome measures
Measure
Panblok 7.5µg in 2% SE
n=100 Participants
7.5µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 15µg in 2% SE
n=101 Participants
15µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 30µg in 2% SE
n=102 Participants
30µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 30µg (No Adjuvant)
n=97 Participants
30µg recombinant hemagglutinin (no adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Cardiac disorders
0 Participants
0 Participants
1 Participants
0 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Ear and labyrinth disorders
1 Participants
0 Participants
0 Participants
0 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Endocrine disorders
0 Participants
2 Participants
0 Participants
0 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Eye disorders
0 Participants
0 Participants
1 Participants
0 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Gastrointestinal disorders
5 Participants
2 Participants
2 Participants
4 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
General disorders
4 Participants
2 Participants
1 Participants
2 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Immune system disorders
1 Participants
0 Participants
0 Participants
0 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Infections and infestations
6 Participants
6 Participants
4 Participants
0 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Injury, poisoning and procedural complications
3 Participants
3 Participants
2 Participants
0 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Investigations
0 Participants
2 Participants
0 Participants
0 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Metabolism and nutrition disorders
1 Participants
1 Participants
0 Participants
0 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Musculoskeletal and connective tissue disorders
4 Participants
2 Participants
5 Participants
1 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Neoplasms benign, malignant and unspecified
1 Participants
2 Participants
0 Participants
0 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Nervous system disorders
3 Participants
2 Participants
5 Participants
1 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Psychiatric disorders
0 Participants
0 Participants
0 Participants
1 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Reproductive system and breast disorders
0 Participants
1 Participants
0 Participants
0 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Respiratory, thoracic and mediastinal disorders
6 Participants
2 Participants
1 Participants
1 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Skin and subcutaneous tissue disorders
1 Participants
0 Participants
2 Participants
1 Participants
Unsolicited Adverse Events (UAEs) During Days 0-42 Following the First Administration of Study Vaccine
Vascular disorders
0 Participants
1 Participants
0 Participants
1 Participants

Adverse Events

Panblok 7.5µg in 2% SE

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

Panblok 15µg in 2% SE

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

Panblok 30µg in 2% SE

Serious events: 3 serious events
Other events: 0 other events
Deaths: 0 deaths

Panblok 30µg (No Adjuvant)

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

Serious adverse events

Serious adverse events
Measure
Panblok 7.5µg in 2% SE
n=100 participants at risk
7.5µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 15µg in 2% SE
n=101 participants at risk
15µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 30µg in 2% SE
n=102 participants at risk
30µg recombinant hemagglutinin in a 2% oil-in-water stable emulsion (rHA adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection rHA adjuvant: Intramuscular injection
Panblok 30µg (No Adjuvant)
n=97 participants at risk
30µg recombinant hemagglutinin (no adjuvant). 0.5mL intramuscular injection on Day 0 and Day 21 in the deltoid muscle Panblok: Intramuscular injection
Cardiac disorders
Angina unstable
0.00%
0/100 • Day 0 to Week 55
0.00%
0/101 • Day 0 to Week 55
0.98%
1/102 • Day 0 to Week 55
0.00%
0/97 • Day 0 to Week 55
Infections and infestations
Cellulitis
0.00%
0/100 • Day 0 to Week 55
0.99%
1/101 • Day 0 to Week 55
0.00%
0/102 • Day 0 to Week 55
0.00%
0/97 • Day 0 to Week 55
Musculoskeletal and connective tissue disorders
Fracture malunion
0.00%
0/100 • Day 0 to Week 55
0.99%
1/101 • Day 0 to Week 55
0.00%
0/102 • Day 0 to Week 55
0.00%
0/97 • Day 0 to Week 55
Nervous system disorders
Syncope
0.00%
0/100 • Day 0 to Week 55
0.00%
0/101 • Day 0 to Week 55
0.98%
1/102 • Day 0 to Week 55
0.00%
0/97 • Day 0 to Week 55
Cardiac disorders
Myocardial infarction
0.00%
0/100 • Day 0 to Week 55
0.00%
0/101 • Day 0 to Week 55
0.00%
0/102 • Day 0 to Week 55
1.0%
1/97 • Day 0 to Week 55
Cardiac disorders
Sinus bradycardia
0.00%
0/100 • Day 0 to Week 55
0.00%
0/101 • Day 0 to Week 55
0.98%
1/102 • Day 0 to Week 55
0.00%
0/97 • Day 0 to Week 55
General disorders
Chest pain
0.00%
0/100 • Day 0 to Week 55
0.00%
0/101 • Day 0 to Week 55
0.98%
1/102 • Day 0 to Week 55
0.00%
0/97 • Day 0 to Week 55
Infections and infestations
Appendicitis
1.0%
1/100 • Day 0 to Week 55
0.00%
0/101 • Day 0 to Week 55
0.00%
0/102 • Day 0 to Week 55
0.00%
0/97 • Day 0 to Week 55
Injury, poisoning and procedural complications
Rib fracture
1.0%
1/100 • Day 0 to Week 55
0.00%
0/101 • Day 0 to Week 55
0.00%
0/102 • Day 0 to Week 55
0.00%
0/97 • Day 0 to Week 55
Injury, poisoning and procedural complications
Upper limb fracture
0.00%
0/100 • Day 0 to Week 55
0.00%
0/101 • Day 0 to Week 55
0.00%
0/102 • Day 0 to Week 55
1.0%
1/97 • Day 0 to Week 55
Musculoskeletal and connective tissue disorders
Arthralgia
1.0%
1/100 • Day 0 to Week 55
0.00%
0/101 • Day 0 to Week 55
0.00%
0/102 • Day 0 to Week 55
0.00%
0/97 • Day 0 to Week 55
Musculoskeletal and connective tissue disorders
Musculoskeletal pain
1.0%
1/100 • Day 0 to Week 55
0.00%
0/101 • Day 0 to Week 55
0.00%
0/102 • Day 0 to Week 55
0.00%
0/97 • Day 0 to Week 55
Musculoskeletal and connective tissue disorders
Osteoarthritis
2.0%
2/100 • Day 0 to Week 55
0.00%
0/101 • Day 0 to Week 55
0.00%
0/102 • Day 0 to Week 55
0.00%
0/97 • Day 0 to Week 55
Musculoskeletal and connective tissue disorders
Osteolysis
0.00%
0/100 • Day 0 to Week 55
0.99%
1/101 • Day 0 to Week 55
0.00%
0/102 • Day 0 to Week 55
0.00%
0/97 • Day 0 to Week 55
Nervous system disorders
Cervicobrachial syndrome
1.0%
1/100 • Day 0 to Week 55
0.00%
0/101 • Day 0 to Week 55
0.00%
0/102 • Day 0 to Week 55
0.00%
0/97 • Day 0 to Week 55
Nervous system disorders
VIIth nerve paralysis
1.0%
1/100 • Day 0 to Week 55
0.00%
0/101 • Day 0 to Week 55
0.00%
0/102 • Day 0 to Week 55
0.00%
0/97 • Day 0 to Week 55
Psychiatric disorders
Suicide attempt
0.00%
0/100 • Day 0 to Week 55
0.99%
1/101 • Day 0 to Week 55
0.00%
0/102 • Day 0 to Week 55
0.00%
0/97 • Day 0 to Week 55
Vascular disorders
Peripheral arterial occlusive disease
0.00%
0/100 • Day 0 to Week 55
0.00%
0/101 • Day 0 to Week 55
0.98%
1/102 • Day 0 to Week 55
0.00%
0/97 • Day 0 to Week 55

Other adverse events

Adverse event data not reported

Additional Information

Lisa M. Dunkle, M.D., Chief Medical Officer

Protein Sciences Corporation

Phone: 203-599-6064

Results disclosure agreements

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