NCT01450579

Brief Summary

This trial is to investigate the clinically recommended dosage for ASP7373 based on the comparison of the immunogenicity and safety among the three doses of ASP7373 in healthy adults.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
180

participants targeted

Target at P75+ for phase_2 healthy

Timeline
Completed

Started Jul 2011

Shorter than P25 for phase_2 healthy

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

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 1, 2011

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

September 22, 2011

Completed
20 days until next milestone

First Posted

Study publicly available on registry

October 12, 2011

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2011

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2011

Completed
Last Updated

September 29, 2017

Status Verified

September 1, 2017

Enrollment Period

5 months

First QC Date

September 22, 2011

Last Update Submit

September 27, 2017

Conditions

Keywords

Recombinant Influenza HA vaccineImmunogenicity of ASP7373

Outcome Measures

Primary Outcomes (3)

  • Safety assessed by the incidence of adverse events, vital signs, laboratory tests and 12-lead ECGs

    up to 43 days

  • Immunogenicity (HI antibody titer)- first vaccine

    on Day 21

  • Immunogenicity (HI antibody titer)- second vaccine

    second vaccination on Day 22

    on Day 43

Study Arms (4)

Placebo

PLACEBO COMPARATOR

Saline

Biological: Placebo

Dose -1

EXPERIMENTAL

ASP7373

Biological: ASP7373

Dose -2

EXPERIMENTAL

ASP7373

Biological: ASP7373

Dose -3

EXPERIMENTAL

ASP7373

Biological: ASP7373

Interventions

ASP7373BIOLOGICAL

Intermuscular administration

Dose -1Dose -2Dose -3
PlaceboBIOLOGICAL

Intramuscular administration

Placebo

Eligibility Criteria

Age20 Years - 40 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Body weight: Female: ≥40.0 kg, \<70.0 kg, Male: ≥50.0 kg, \<80.0 kg
  • BMI: ≥17.6, \<26.4
  • Healthy, as judged by the investigator or sub-investigator based on the results of physical examinations (subjective symptoms and objective findings) and all tests obtained

You may not qualify if:

  • Scheduled to receive another vaccine during study period
  • History of H5 influenza infection or received H5 influenza vaccine
  • Past 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)
  • 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 or scheduled to receive a live vaccine within 28 days prior to vaccination of the study vaccine, and received or scheduled to receive an inactivated vaccine or a toxoid within 7 days prior to vaccination of the study vaccine
  • History of seizures
  • Female subjects who are breastfeeding, pregnant, possibly pregnant, and planning to become pregnant during the study period

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Unknown Facility

Kyushu, Japan

Location

Study Officials

  • Use Central Contact

    Astellas Pharma Inc

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
phase 2
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

September 22, 2011

First Posted

October 12, 2011

Study Start

July 1, 2011

Primary Completion

December 1, 2011

Study Completion

December 1, 2011

Last Updated

September 29, 2017

Record last verified: 2017-09

Locations