Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 4 Interventional Results available

A Study of Oseltamivir (Tamiflu) for the Seasonal Prophylaxis of Influenza in Immunocompromised Participants

ClinicalTrials.gov ID: NCT00412737

Public ClinicalTrials.gov record NCT00412737. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 24, 2026, 6:28 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Double-blind, Randomized, Placebo Controlled, Multi-center Trial of Oseltamivir for the Seasonal Prophylaxis of Influenza in Immunocompromised Patients

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This 2 arm study will evaluate the efficacy and safety of oseltamivir in the seasonal prophylaxis of influenza in immunocompromised participants (as represented by transplant recipients). Transplant recipients enrolled when influenza is circulating in the community will be randomized to receive oseltamivir syrup or capsules 30 milligrams (mg) to 75 mg daily (depending on body weight) or placebo for 12 weeks. Influenza symptoms and safety data will be recorded throughout the study.

Study identification

NCT ID
NCT00412737
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Lead sponsor
Hoffmann-La Roche
Industry
Enrollment
477 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
1 Year and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 2007 (Type not available)
Primary completion
May 2008 (Actual)
Completion
May 2008 (Actual)
Last update posted
Jun 10, 2016

2007 – 2008

United States locations

U.S. sites
34
U.S. states
20
U.S. cities
31
Facility City State ZIP Site status
Not listed Birmingham Alabama 35233 —
Not listed Little Rock Arkansas 72202 —
Not listed Stanford California 94305 —
Not listed Denver Colorado 80262 —
Not listed Hartford Connecticut 06106-3316 —
Not listed Newark Delaware 19718 —
Not listed St. Petersburg Florida 33701 —
Not listed Atlanta Georgia 30309 —
Not listed Augusta Georgia 30912 —
Not listed Chicago Illinois 60611 —
Not listed Chicago Illinois 60612 —
Not listed New Orleans Louisiana 70121 —
Not listed Detroit Michigan 48201 —
Not listed Detroit Michigan 48202-2689 —
Not listed Brooklyn Center Minnesota 55430 —
Not listed Missoula Montana 59802 —
Not listed Camden New Jersey 08103 —
Not listed Hackensack New Jersey 07601 —
Not listed Livingston New Jersey 07039 —
Not listed Newark New Jersey 07112 —
Not listed Buffalo New York 14263 —
Not listed New York New York 10023 —
Not listed New York New York 10032 —
Not listed Chapel Hill North Carolina 27599-7211 —
Not listed Charlotte North Carolina 28207 —
Not listed Durham North Carolina 27705 —
Not listed Cincinnati Ohio 45267 —
Not listed Cleveland Ohio 44195 —
Not listed Oklahoma City Oklahoma 73112-44A1 —
Not listed Hershey Pennsylvania 17033 —
Not listed Philadelphia Pennsylvania 19104 —
Not listed Pittsburgh Pennsylvania 15213 —
Not listed Dallas Texas 75203 —
Not listed Houston Texas 77030 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 44 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00412737, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 10, 2016 · Synced Oct 24, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00412737 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →