NCT02251288

Brief Summary

A phase I prospective, randomized study in healthy adult subjects at a single center. Adult subjects age 18 to 47 years and meeting all enrollment criteria will choose to participate as subjects who receive inactivated vaccine followed by a live vaccine boost at 4 weeks (Group 1), 12 weeks (Group 2), or 24 weeks (Group 3), or to be in an observational group (Group 4) which will not be scheduled for a booster dose but may serve as a roll-over group for subjects who withdraw prior to the second vaccination but agree to remain in follow-up. A fifth group will receive two intramuscular doses of adjuvanted H7N9 pIIV separated by four weeks. The primary objectives of this study are to (1) assess the safety of H7N9 pLAIV administered to individuals who have previously received MF59-adjuvanted or unadjuvanted H7N9 pIIV, (2) evaluate the ability of a single dose of unadjuvanted H7N9 pIIV to prime for enhanced immunogenicity (booster response) to subsequent administration of antigenically-matched H7N9 pLAIV vaccine, and to (3) evaluate the ability of a single dose of MF59-adjuvanted H7N9 pIIV to prime for enhanced immunogenicity (booster response) to subsequent administration of antigenically-matched H7N9 pLAIV vaccine.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
62

participants targeted

Target at P75+ for phase_1

Timeline
Completed

Started May 2015

Typical duration for phase_1

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 25, 2014

Completed
4 days until next milestone

First Posted

Study publicly available on registry

September 29, 2014

Completed
8 months until next milestone

Study Start

First participant enrolled

May 18, 2015

Completed
3.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 17, 2018

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 17, 2018

Completed
Last Updated

January 27, 2020

Status Verified

July 1, 2018

Enrollment Period

3.3 years

First QC Date

September 25, 2014

Last Update Submit

January 23, 2020

Conditions

Keywords

H7N9 pandemicinactivated influenza vaccine (pIIV)live attenuated influenza vaccine (pLAIV)MF59 adjuvant

Outcome Measures

Primary Outcomes (35)

  • Geometric mean titers determined by neuraminidase inhibiting antibody by enzyme-linked lectin assay (ELLA)

    Day 29

  • Geometric mean titers determined by neuraminidase inhibiting antibody by enzyme-linked lectin assay (ELLA) for Group 2

    Day 113

  • Geometric mean titers determined by neuraminidase inhibiting antibody by enzyme-linked lectin assay (ELLA) for Group 3

    Day 197

  • Geometric mean titers determined by neuraminidase inhibiting antibody by enzyme-linked lectin assay (ELLA) for Groups 1, 5

    Day 57

  • Occurrence of respiratory reactogenicity following pLAIV vaccination for Group 1

    Day 29 through Day 39

  • Occurrence of respiratory reactogenicity following pLAIV vaccination for Group 2

    Day 85 through Day 95

  • Occurrence of respiratory reactogenicity following pLAIV vaccination for Group 3

    Day 169 through Day 179

  • Occurrence of solicited systemic reactogenicity following pLAIV vaccination for Group 1

    Day 29 through Day 39

  • Occurrence of solicited systemic reactogenicity following pLAIV vaccination for Group 2

    Day 85 through Day 95

  • Occurrence of solicited systemic reactogenicity following pLAIV vaccination for Group 3

    Day 169 through Day 179

  • Occurrence of study vaccine-related serious adverse events following pLAIV vaccination for Group 1

    Day 29 through Day 209

  • Occurrence of study vaccine-related serious adverse events following pLAIV vaccination for Group 2

    Day 85 through Day 265

  • Occurrence of study vaccine-related serious adverse events following pLAIV vaccination for Group 3

    Day 169 through Day 349

  • Occurrence of study vaccine-related unsolicited non-serious adverse events following pLAIV vaccination for Group 1

    Day 29 through Day 57

  • Occurrence of study vaccine-related unsolicited non-serious adverse events following pLAIV vaccination for Group 2

    Day 85 through 113

  • Occurrence of study vaccine-related unsolicited non-serious adverse events following pLAIV vaccination for Group 3

    Day 169 through 197

  • Percentage of subjects achieving a serum HAI antibody titer of 1:40 or greater against the H7N9 antigen contained in the study vaccines for Group 2

    Day 113

  • Percentage of subjects achieving a serum HAI antibody titer of 1:40 or greater against the H7N9 antigen contained in the study vaccines for Group 3

    Day 197

  • Percentage of subjects achieving a serum HAI antibody titer of 1:40 or greater against the H7N9 antigen contained in the study vaccines for Groups 1, 5

    Day 57

  • Percentage of subjects achieving seroconversion (a pre-vaccination HAI titer <1:10 and a post-vaccination HAI titer = / > 1:40 or a pre-vaccination HAI titer = / > 1:10 and a minimum four-fold rise in post-vaccination HAI antibody titer) for Group 2

    Day 113

  • Percentage of subjects achieving seroconversion (a pre-vaccination HAI titer <1:10 and a post-vaccination HAI titer = / > 1:40 or a pre-vaccination HAI titer = / > 1:10 and a minimum four-fold rise in post-vaccination HAI antibody titer) for Group 3

    Day 197

  • Percentage of subjects achieving seroconversion (a pre-vaccination HAI titer <1:10 and a post-vaccination HAI titer = / > 1:40 or a pre-vaccination HAI titer = / > 1:10 and a minimum four-fold rise in post-vaccination HAI antibody titer) for Groups 1,5

    Day 57

  • Percentage of subjects shedding vaccine virus as detected by rRT-PCR following pLAIV vaccination for Group 1

    Day 29 through Day 36

  • Percentage of subjects shedding vaccine virus as detected by rRT-PCR following pLAIV vaccination for Group 2

    Day 85 through Day 92

  • Percentage of subjects shedding vaccine virus as detected by rRT-PCR following pLAIV vaccination for Group 3

    Day 169 through Day 176

  • Percentage of subjects with positive B cell responses by plasmablast assays on peripheral blood mononuclear cells

    Day 29

  • Percentage of subjects with positive B cell responses by plasmablast assays on peripheral blood mononuclear cells for Group 2

    Day 113

  • Percentage of subjects with positive B cell responses by plasmablast assays on peripheral blood mononuclear cells for Group 2

    Day 141

  • Percentage of subjects with positive B cell responses by plasmablast assays on peripheral blood mononuclear cells for Group 2

    Day 265

  • Percentage of subjects with positive B cell responses by plasmablast assays on peripheral blood mononuclear cells for Group 3

    Day 197

  • Percentage of subjects with positive B cell responses by plasmablast assays on peripheral blood mononuclear cells for Group 3

    Day 225

  • Percentage of subjects with positive B cell responses by plasmablast assays on peripheral blood mononuclear cells for Group 3

    Day 349

  • Percentage of subjects with positive B cell responses by plasmablast assays on peripheral blood mononuclear cells for Groups 1, 5

    Day 209

  • Percentage of subjects with positive B cell responses by plasmablast assays on peripheral blood mononuclear cells for Groups 1, 5

    Day 57

  • Percentage of subjects with positive B cell responses by plasmablast assays on peripheral blood mononuclear cells for Groups 1, 5

    Day 85

Secondary Outcomes (72)

  • Geometric mean titers of serum HAI antibody

    Day 1

  • Geometric mean titers of serum HAI antibody

    Day 29

  • Geometric mean titers of serum HAI antibody for Group 2

    Day 113

  • Geometric mean titers of serum HAI antibody for Group 2

    Day 141

  • Geometric mean titers of serum HAI antibody for Group 2

    Day 265

  • +67 more secondary outcomes

Study Arms (5)

Group 1

EXPERIMENTAL

12 patients receive Intramuscular (IM) A/H7N9 15 mcg on Day 1, 12 patients receive A/H7N9 15 mcg plus MF59 adjuvant IM on Day 1 and all receive single dose of Intranasal (IN) sprayer 10\^7 FFU H7 N9 pLAIV on Day 29

Biological: Influenza Virus Vaccine, Live Attenuated H7N9 Anhui 2013/AA caBiological: Influenza Virus Vaccine, Monovalent A/H7N9 A/Shanghai/2/2013Drug: MF59 adjuvant

Group 2

EXPERIMENTAL

12 patients receive A/H7N9 15 mcg IM on Day 1, 12 patients receive A/H7N9 15 mcg plus MF59 adjuvant IM on Day 1 and all receive single dose of IN sprayer10\^7 FFU H7 N9 pLAIV on Day 85

Biological: Influenza Virus Vaccine, Live Attenuated H7N9 Anhui 2013/AA caBiological: Influenza Virus Vaccine, Monovalent A/H7N9 A/Shanghai/2/2013Drug: MF59 adjuvant

Group 3

EXPERIMENTAL

12 patients receive S A/H7N9 15 mcg IM on Day 1, 12 patients receive A/H7N9 15 mcg plus MF59 adjuvant IM on Day 1 and all receive single dose of IN sprayer 10\^7 FFU H7 N9 pLAIV on Day 169

Biological: Influenza Virus Vaccine, Live Attenuated H7N9 Anhui 2013/AA caBiological: Influenza Virus Vaccine, Monovalent A/H7N9 A/Shanghai/2/2013Drug: MF59 adjuvant

Group 4

EXPERIMENTAL

8 patients receive A/H7N9 15 mcg IM on Day 1, 8 patients receive A/H7N9 15 mcg plus MF59 adjuvant IM on Day 1

Biological: Influenza Virus Vaccine, Monovalent A/H7N9 A/Shanghai/2/2013Drug: MF59 adjuvant

Group 5

EXPERIMENTAL

12 patients receive A/H7N9 15 mcg plus MF59 adjuvant on Day 1 and Day 29

Biological: Influenza Virus Vaccine, Monovalent A/H7N9 A/Shanghai/2/2013Drug: MF59 adjuvant

Interventions

MedImmune supplies pLAIV vaccines as a colorless to pale yellow and clear to slightly cloudy suspension in single, unit-dose, Becton-Dickinson Accusprayâ„¢ Nasal Spray Systems sprayer devices. Each filled sprayer device contains a 0.5 mL dose of 10\^7FFU of H7N9 Anhui 2013/AA ca vaccine. Group I receives the IN dose on Day 29, Group 2 on Day 85, and Group 3 on Day 169.

Group 1Group 2Group 3

Sanofi supplies the monovalent influenza A/H7N9 virus vaccine as a sterile, clear, and slightly opalescent suspension in single-dose vials containing 15 mcg HA per 0.5 mL. Group 1 through Group5 will receive the IM vaccine on Day 1

Group 1Group 2Group 3Group 4Group 5

Novartis supplies the MF59 adjuvant as an oil-in-water milky emulsion in single-use vials containing a fill volume of 0.7 mL. Group 1 through Group 5 will receive MF59 IM on Day 1.

Group 1Group 2Group 3Group 4Group 5

Eligibility Criteria

Age18 Years - 47 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Provide written informed consent prior to initiation of any study procedures, including future use of specimens.
  • Are able to understand and comply with planned study procedures and be available for all study visits.
  • Are males or non-pregnant, non-breastfeeding females, 18 to 47 years old, inclusive.

You may not qualify if:

  • Oral temperature is less than 100.4 degrees Fahrenheit.
  • Pulse is 55 to 100 bpm, inclusive.
  • Systolic blood pressure is 90 to 140 mmHg, inclusive.
  • Diastolic blood pressure is 55 to 90 mmHg, inclusive.
  • Women of childbearing potential\* in sexual relationships with men must use an acceptable method of contraception\*\* from 30 days prior to pIIV administration until 90 days after last study vaccination.
  • \*Not sterilized via tubal ligation, bilateral oophorectomy or hysterectomy and still menstruating or \< 1 year of the last menses if menopausal).
  • \*\*Includes, but is not limited to, abstinence from intercourse with a male partner, monogamous relationship with a vasectomized partner, male condoms with the use of applied spermicide, intrauterine devices, and licensed hormonal methods, with use of a highly effective method of contraception for a minimum of 30 days prior to study product exposure and agree to practice highly effective contraception for the duration of study product exposure, including 3 months (defined as 90 days) after the last study vaccination. A highly effective method of contraception is defined as one which results in a low failure rate (i.e., less than 1% per year) when used consistently and correctly.
  • Female subjects of childbearing potential must have a negative urine or serum pregnancy test within 24 hours prior to study vaccination.
  • Have an acute illness within 72 hours prior to study vaccination.
  • Any medical disease or condition that, in the opinion of the investigator, is a contraindication to study participation\*.
  • \*Includes medical disease or condition that would place the subject at an unacceptable risk of injury, render them unable to meet the requirements of the protocol, or may interfere with the evaluation of responses or their successful completion of the study.
  • Have history of any significant acute or chronic medical conditions\* or need for chronic medications that, in the opinion of the investigator, will interfere with immunogenicity or affect safety.
  • \*Chronic medical condition - a medical condition persisting 3 months (defined as 90 days) or longer
  • Have immunosuppression or are taking systemic immunosuppressants as a result of an underlying illness or treatment.
  • Diagnosis of asthma or reactive airway disease within the past 2 years.
  • +32 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Rochester Medical Center - Vaccine Research Unit

Rochester, New York, 14642-0001, United States

Location

MeSH Terms

Conditions

Influenza in Birds

Interventions

Influenza Vaccines

Condition Hierarchy (Ancestors)

Orthomyxoviridae InfectionsRNA Virus InfectionsVirus DiseasesInfectionsBird DiseasesAnimal Diseases

Intervention Hierarchy (Ancestors)

Viral VaccinesVaccinesBiological ProductsComplex Mixtures

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
NONE
Purpose
PREVENTION
Intervention Model
FACTORIAL
Sponsor Type
NIH
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 25, 2014

First Posted

September 29, 2014

Study Start

May 18, 2015

Primary Completion

August 17, 2018

Study Completion

August 17, 2018

Last Updated

January 27, 2020

Record last verified: 2018-07-01

Locations