Immunogenicity and Safety of an Inactivated Non-adjuvanted A(H1N1)v Influenza Vaccine in Pregnant Women

NCT ID: NCT01024400

Last Updated: 2025-12-10

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

110 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-11-30

Study Completion Date

2010-07-31

Brief Summary

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The purpose of this study is to evaluate the immunogenicity and safety of an inactivated, non adjuvanted A(H1N1)v influenza vaccine in 120 pregnant women.

Study procedures will include 2 doses of vaccine, blood samples, cord blood samples at delivery and recording temperature and vaccine side effects in a memory aid for 7 days following each vaccination. Participants will be involved in study related procedures about 3 at 5 months.

Detailed Description

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Conditions

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Influenza

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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vaccine

Group Type EXPERIMENTAL

Non-adjuvanted A(H1N1)v influenza vaccine

Intervention Type BIOLOGICAL

15 mcg HA/0.5 ml

Interventions

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Non-adjuvanted A(H1N1)v influenza vaccine

15 mcg HA/0.5 ml

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

* 18 years to 45 years
* Pregnancy between 22 and 32 weeks of gestation
* Provides written informed consent
* Covered by French Social Security

Exclusion Criteria

* Allergy to eggs or other components in the vaccine
* History of severe reactions following previous influenza vaccines
* H1N1 influenza (virologically documented) during the last 6 months
* Febrile episode within one week prior to vaccination
* Known HIV, HBV, HCV infection
* Multiple sclerosis
* History of Guillain-Barré syndrome
* Organ transplant recipient
* Neoplastic disease in the past 3 years
* Other vaccine within 3 weeks prior to study entry or planned within the month following the last injection
* Systemic corticosteroids,immunotherapy,chemotherapy
* Anticoagulant treatment
* Immunoglobulin or blood transfusion within the 3 months prior to enrollment in this study
* History of cardiac disease
* Chronic liver disease
* Diabetes before pregnancy
* History of premature delivery
* History of eclampsia
* Fetal morphologic abnormalities
Minimum Eligible Age

18 Years

Maximum Eligible Age

45 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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MCM Vaccines B.V.

INDUSTRY

Sponsor Role collaborator

Institut National de la Santé Et de la Recherche Médicale, France

OTHER_GOV

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Odile Launay, MD

Role: PRINCIPAL_INVESTIGATOR

Groupe hospitalier Cochin Saint Vincent de Paul

Vassilis Tsatsaris, MD

Role: PRINCIPAL_INVESTIGATOR

Groupe hospitalier Cochin Saint Vincent de Paul

Locations

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CHU de Besançon-Hôpital Saint-Jacques

Besançon, , France

Site Status

Hôpital Antoine Béclère

Clamart, , France

Site Status

Groupe hospitalier Cochin Saint Vincent de Paul

Paris, , France

Site Status

Hôpital Robert Debré

Paris, , France

Site Status

Hôpital Sud de Rennes

Rennes, , France

Site Status

Countries

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France

References

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Tsatsaris V, Capitant C, Schmitz T, Chazallon C, Bulifon S, Riethmuller D, Picone O, Poulain P, Lewin F, Laine F, Jacqz-Aigrain E, Aboulker JP, Launay O; Inserm C09-33 PREFLUVAC (Immunogenicity and Safety of an Inactivated Nonadjuvanted A[H1N1v] Influenza Vaccine in Pregnant Women) Study Group. Maternal immune response and neonatal seroprotection from a single dose of a monovalent nonadjuvanted 2009 influenza A(H1N1) vaccine: a single-group trial. Ann Intern Med. 2011 Dec 6;155(11):733-41. doi: 10.7326/0003-4819-155-11-201112060-00005.

Reference Type RESULT
PMID: 22147712 (View on PubMed)

Other Identifiers

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2009-016660-36

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

C09-33

Identifier Type: -

Identifier Source: org_study_id

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