Clinical trialNCT00952705CompletedPhase 3Interventional

A Study to Evaluate the Immunogenicity of Quadrivalent LAIV (MEDI8662) in Adults 18 to 49 Years of Age

SponsorMedImmune LLCEnrollment1,800Healthy or Stable Underlying Chronic Medical Condition

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The purpose of this study was to show that quadrivalent live attenuated influenza vaccine (Q/LAIV-BFS; MEDI8662) was at least as immunogenic as two different forms of the commercial vaccine, FluMist, by comparing the strain-specific antibody levels in the blood.

clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

Joseph Sliman, M.D., MPH
MedImmune LLC
Study Director
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

18 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

Coastal Clinical Research, Inc.
Mobile, Alabama, United States
Benchmark Research
Sacramento, California, United States
California Research Foundation
San Diego, California, United States
Benchmark Research
San Francisco, California, United States
Tampa Bay Medical Research, Inc.
Clearwater, Florida, United States
Avail Clinical Research, Llc
DeLand, Florida, United States
Miami Research Associates
Miami, Florida, United States
Clinical Research Atlanta
Stockbridge, Georgia, United States
Johnson County Clin-Trials
Lenexa, Kansas, United States
Vince and Associates Clinical Research
Overland Park, Kansas, United States
Benchmark Research
Metairie, Louisiana, United States
Sundance Clinical Research
St Louis, Missouri, United States
Meridian Clinical Research, Llc
Omaha, Nebraska, United States
Regional Clinical Research
Endwell, New York, United States
Rochester Clinical Research Inc.
Rochester, New York, United States
Palmetto Medical Research
Mt. Pleasant, South Carolina, United States
Benchmark Research Austin
Austin, Texas, United States
Benchmark Research Ft. Worth
Fort Worth, Texas, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

FluMist/B/VictoriaFluMist/B/YamagataGlutamine →

Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 31 Aug 2009
Primary completion: 31 Jan 2010
Completion: 31 Mar 2010
Last update posted: 3 May 2018
Registered enrollment: 1,800
Registry id: NCT00952705

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 11 Nov 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.