NCT01767896

Brief Summary

The purpose of this study is to compare immunogenicity and safety of ASP7374 (cell-culture derived influenza vaccine) with those of approved egg-derived trivalent inactivated vaccine (TIV) in elderly subjects.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
1,020

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Oct 2012

Shorter than P25 for phase_3

Geographic Reach
1 country

3 active sites

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

Study Start

First participant enrolled

October 1, 2012

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

January 11, 2013

Completed
4 days until next milestone

First Posted

Study publicly available on registry

January 15, 2013

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2013

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2013

Completed
Last Updated

September 29, 2017

Status Verified

September 1, 2017

Enrollment Period

5 months

First QC Date

January 11, 2013

Last Update Submit

September 27, 2017

Conditions

Keywords

Influenza vaccine

Outcome Measures

Primary Outcomes (2)

  • seroconversion rate of hemoagglutination inhibition (HI) antibody titer

    evaluated for A/H1N1, A/H3N2, and B

    Day 29

  • geometric mean titer (GMT) of HI antibody titer

    evaluated for A/H1N1, A/H3N2, and B

    Day 29

Secondary Outcomes (6)

  • seroprotection rate of HI antibody titer

    Day 29

  • GMT ratio of HI antibody titer

    Day 1 and Day 29

  • seroconversion rate of neutralizing antibody titer

    Day 29

  • seroprotection rate of neutralizing antibody titer

    Day 29

  • GMT of neutralizing antibody

    Day 29

  • +1 more secondary outcomes

Study Arms (2)

ASP7374 group

EXPERIMENTAL

cell-culture-derived vaccine group

Biological: ASP7374

TIV group

ACTIVE COMPARATOR

approved egg-derived TIV group

Biological: approved egg-derived TIV

Interventions

ASP7374BIOLOGICAL

subcutaneous (sc)

ASP7374 group

subcutaneous (sc)

Also known as: Influenza HA vaccine "SEIKEN"
TIV group

Eligibility Criteria

Age65 Years+
Sexall
Healthy VolunteersYes
Age GroupsOlder Adult (65+)

You may qualify if:

  • Medically stable, as judged on the basis of history and concurrent diseases
  • Subject understands procedure of the protocol and is willing to comply with the protocol

You may not qualify if:

  • Scheduled to receive another vaccine during the study
  • Received influenza HA vaccine within 180 days prior to screening
  • Received or scheduled to receive a live vaccine within 28 days prior to vaccination with the study vaccine, and received or scheduled to receive an inactivated vaccine or a toxoid within 7 days prior to vaccination with the study vaccine
  • Diagnosis of immune deficit in the past, has a family member (within the third degree of kinship) with a diagnosis of congenital immunodeficiency syndrome
  • Received one of the following medications or treatment prior to vaccination with the study vaccine: Interferon formulation, drugs which affect the immune system, corticosteroids, G-CSF, M-CSF, human immunoglobulin products, blood products
  • History of anaphylactic shock or an allergic reaction such as generalized eruption due to food or drug (including vaccines) allergies, fever ≥39.0°C within 2 days after the previous vaccination (influenza vaccine and others)
  • History of seizures
  • History of Guillain-Barre syndrome or acute disseminated encephalomyelitis (ADEM)
  • Confirmed diagnosis of influenza within 84 days prior to screening test
  • Body temperature of ≥37.5°C on Day 1 (before vaccination)
  • Immunological tests reveal positive HBs antigen, HCV antibody, and HIV antigen and/or antibody

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

Unknown Facility

Kansai, Japan

Location

Unknown Facility

Kantou, Japan

Location

Unknown Facility

Kyushu, Japan

Location

MeSH Terms

Conditions

Influenza, Human

Condition Hierarchy (Ancestors)

Respiratory Tract InfectionsInfectionsOrthomyxoviridae InfectionsRNA Virus InfectionsVirus DiseasesRespiratory Tract Diseases

Study Officials

  • Medical Director

    Astellas Pharma Inc

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 11, 2013

First Posted

January 15, 2013

Study Start

October 1, 2012

Primary Completion

March 1, 2013

Study Completion

March 1, 2013

Last Updated

September 29, 2017

Record last verified: 2017-09

Locations