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Clinical Trial Details — Status: Withdrawn

Administrative data

NCT number NCT02177734
Other study ID # 201300
Secondary ID 2014-000796-27
Status Withdrawn
Phase Phase 1
First received June 19, 2014
Last updated June 16, 2016
Start date March 2016
Est. completion date May 2017

Study information

Verified date June 2016
Source GlaxoSmithKline
Contact n/a
Is FDA regulated No
Health authority Estonia: State Agency of MedicinesHong Kong: Department of Health
Study type Interventional

Clinical Trial Summary

The purpose of this study is to evaluate the safety and immunogenicity of different formulations of GSK Biologicals' H7N9 influenza vaccine in subjects 18 to 60 years of age.


Recruitment information / eligibility

Status Withdrawn
Enrollment 0
Est. completion date May 2017
Est. primary completion date June 2016
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Both
Age group 18 Years to 60 Years
Eligibility Inclusion Criteria:

- Male or female adults who are 18 to 60years of age (inclusive) at the time of first study vaccination.

- Written informed consent obtained from subject.

- Subjects who the investigator believes can and will comply with the requirements of the protocol.

- Healthy subjects as established by medical history and physical examination.

- Access to a consistent means of telephone contact.

- For subjects who undergo a screening visit: Results of screening safety laboratory tests that figure in eligibility assessment must be within reference ranges before dosing.

- Female subjects of non-childbearing potential may be enrolled in the study.

- Female subjects of childbearing potential may be enrolled in the study, if they

- have practiced adequate contraception for 30 days prior to vaccination, and

- have a negative pregnancy test on the day of vaccination, and agree to continue to practice adequate contraception until 2 months after the last dose administered.

Exclusion Criteria:

- Presence or evidence of neurological or psychiatric diagnoses which, although stable, are deemed by the investigator to render the potential subject unable/unlikely to provide accurate safety reports.

- Presence or evidence of substance abuse.

- Diagnosed with cancer, or treatment for cancer within three years.

- Diagnosed with excessive daytime sleepiness, or narcolepsy; or history of narcolepsy in a subject's parent, sibling or child.

- Presence of a temperature = 38.0ºC (=100.4ºF), or acute symptoms greater than "mild" severity on the scheduled date of first vaccination.

- Any confirmed or suspected immunosuppressive or immunodeficient condition including history of human immunodeficiency virus (HIV) infection.

- Receipt of systemic glucocorticoids within 30 days prior to the first dose of study vaccine/placebo, or any other cytotoxic, immunosuppressive or immune-modifying drugs within 6 months of first study vaccine/ placebo dose.

- Any significant disorder of coagulation or treatment with warfarin derivatives or heparin.

- An acute evolving neurological disorder or Guillain Barré Syndrome within 42 days of receipt of prior seasonal or pandemic influenza vaccine.

- Administration of an inactive vaccine within 14 days or of a live attenuated vaccine within 30 days before the first dose of study vaccine/placebo.

- Planned administration of any vaccine other than the study vaccine/placebo before blood sampling at the Day 42 visit.

- Previous administration of any H7 vaccine or physician-confirmed H7 disease.

- Use of any investigational or non-registered product other than the study vaccine within 30 days preceding the first dose of study vaccine/placebo, or planned use during the study period.

- Receipt of any immunoglobulins and/or any blood products within 90 days before the first dose of study vaccine/placebo, or planned administration of any of these products during the study period.

- Any known or suspected allergy to any constituent of influenza vaccines or component used in the manufacturing process of the study vaccine including a history of anaphylactic-type reaction to consumption of eggs; or a history of severe adverse reaction to a previous influenza vaccine.

- Known pregnancy or a positive urine beta-human chorionic gonadotropin (ß-hCG) test result before the first dose of study vaccine/placebo.

- Lactating or nursing women.

- Any condition which, in the opinion of the investigator, prevents the subject from participating in the study.

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Prevention


Related Conditions & MeSH terms


Intervention

Biological:
Investigational H7N9 vaccine GSK3277510A
One dose of GSK3277510A H7N9 vaccine administered intramuscularly (IM) in the deltoid region of non-dominant arm at Day 0 and the second dose of GSK3277510A H7N9 vaccine administered IM in the deltoid region of dominant arm at Day 21
Investigational H7N9 vaccine GSK3277509A
One dose of GSK3277509A H7N9 vaccine administered IM at the deltoid region of non-dominant arm at Day 0 and the second dose of GSK3277509A H7N9 vaccine administered IM at the deltoid region of dominant arm at Day 21
Placebo
One dose of placebo administered IM at the deltoid region of non-dominant arm at Day 0 and the second dose of placebo administered IM at the deltoid region of dominant arm at Day 21

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
GlaxoSmithKline

Outcome

Type Measure Description Time frame Safety issue
Primary Humoral immune response in terms of vaccine-homologous hemagglutination inhibition (HI) antibody titers At Day 42. No
Primary Occurrence of each solicited local symptom During a 7-day follow-up period (i.e., day of vaccination and 6 subsequent days) after each vaccination. No
Primary Occurrence of each solicited general symptom During a 7-day follow-up period (i.e., day of vaccination and 6 subsequent days) after each vaccination. No
Primary Occurrence of clinical safety laboratory abnormalities reported for samples At the Day 0, 7, 21, 28 and 42 visits. No
Primary Occurrence of unsolicited adverse events (AEs) 21 days after each dose. No
Primary Occurrence of Medically Attended Adverse Events (MAEs), potential Immune Mediated Diseases (pIMDs) and Serious Adverse Events (SAEs)[Active Phase] From Day 0 until Day 42. No
Secondary Evaluation of adjuvant effect as assessed by vaccine-homologous hemagglutination inhibition (HI) antibody titers At Day 42. No
Secondary Humoral immune response in terms of vaccine-homologous hemagglutination inhibition (HI) antibody titers for plain antigen vaccine group At Day 42. No
Secondary Humoral immune response in terms of vaccine-homologous (H7N9) HI antibody titers. GMTs and Seropositivity rates at Days 0, 21, 42 and Months 6 and 12. SCR and MGI at Days 21, 42 (Placebo group only) and Months 6 and 12. SPR at Days 0, 21, 42 (Placebo group only) and Months 6 and 12. No
Secondary Humoral immune response in terms of vaccine-homologous (H7N9) neutralizing (MN) antibody titres. GMTs and Seropositivity rates at the Days 0, 21, 42 and Month 6 visits. VRR at Days 21, 42 and Month 6 visits. No
Secondary Humoral immune response in terms of vaccine-homologous (H7N9) HI antibody titers by age stratum. GMTs, Seropositivity rates and SPR at Days 0, 21, 42 and Months 6 and 12. SCR and MGI at Days 21, 42 and Months 6 and 12. No
Secondary Humoral immune response in terms of vaccine homologous (H7N9) neutralizing (MN) antibody titers for each study group by age stratum (18-40 years; 41-60 years) GMTs and Seropositivity rates at Days 0, 21, 42 and Month 6. VRR at Days 21, 42 and Month 6. No
Secondary Occurrence of MAEs, pIMDs and SAEs Until the Month 12 visit. No
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