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Completed No phase listed Observational

A Study of Prevalence of the I50L Mutation When ATV Treated Patients Fail the Regimen

ClinicalTrials.gov ID: NCT00135447

Public ClinicalTrials.gov record NCT00135447. 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 20, 2026, 2:40 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 Phase IV, Multicenter, Cross-sectional Study to Evaluate the I50L Substitution Among Subjects Experiencing Virologic Failure on a HAART Regimen Containing Atazanavir (ATV)

Brief summary

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

The purpose of this study is to find out the frequency of the I50L substitution among patients experiencing treatment failure on an atazanavir-containing regimen.

Study identification

NCT ID
NCT00135447
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Bristol-Myers Squibb
Industry
Enrollment
5,000 participants

Conditions and interventions

Conditions

Interventions

Not listed

Eligibility (public fields only)

Age range
18 Years 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
Sep 2004 (Type not available)
Primary completion
Sep 2009 (Actual)
Completion
Sep 2009 (Actual)
Last update posted
Apr 14, 2011

2004 – 2009

United States locations

U.S. sites
84
U.S. states
24
U.S. cities
61
Facility City State ZIP Site status
Local Institution Phoenix Arizona 85006 —
Vista Medical Partners Beverly Hills California 90210 —
AIDS Healthcare Foundation Beverly Hills California 90211 —
AltaMed Health Services Corporation Los Angeles California 90022 —
Kaiser Permanente Los Angeles California 90027 —
Synergy Hematology and Oncology Medical Associates Los Angeles California 90036 —
Orange Coast Medical Group Newport Beach California 92663 —
Alameda County Medical Center Oakland California 94602 —
East Bay AIDS Center Oakland California 94609 —
Desert Medical Group Palm Springs California 92262 —
Martin M. Mass, MD San Francisco California 94114 —
Wellspring Medical Group San Francisco California 94114 —
San Mateo Medical Center San Mateo California 94403 —
Stanford University Medical Center Stanford California 94305 —
Denver Public Health Denver Colorado 80204 —
Local Institution Denver Colorado 80262 —
Dupont Circle Physicians Group, P.C. Washington D.C. District of Columbia 20009 —
South Florida Clinical Research Atlantis Florida 33462 —
Daniel A. Warner, MD, PA Daytona Beach Florida 32117 —
Gary J. Richmond, MD, PA Fort Lauderdale Florida 33316 —
Biogenomx Research Institute, LLC/CHC1-AP Hollywood Florida 33020 —
AIDS Healthcare Foundation Jacksonville Florida 32204 —
Steinhart Medical Associates Miami Florida 33133 —
University of Miami School of Medicine Miami Florida 33136 —
Care Resource, Inc. Miami Florida 33137 —
Albert Canas MD, PA Miami Beach Florida 33140 —
Associates in Infectious Diseases Port Saint Lucie Florida 34952 —
Health Positive Safety Harbor Florida 34695 —
Bach & Godofsky, MD, PA Sarasota Florida 34243 —
Edward W. Braun, MD PA Tampa Florida 33614 —
Emory University Atlanta Georgia 30308 —
Grady Ponce de Leon Infectious Disease Clinic Atlanta Georgia 30308 —
Atlanta ID Group Atlanta Georgia 30309 —
Infectious Disease Solutions Atlanta Georgia 30309 —
Infectious Disease Group of Atlanta Atlanta Georgia 30312 —
Family Healthcare of Atlanta, PC Atlanta Georgia 30318 —
Atlanta VA Medical Center Decatur Georgia 30033 —
Investious Diseases Associates Riverdale Georgia 30274 —
Southern Illinois University of Medicine Springfield Illinois 62702 —
University of Iowa Healthcare Iowa City Iowa 52242 —
University of Kentucky Medical Center Lexington Kentucky 40536 —
Chase Brexton Health Services Baltimore Maryland 21201 —
University of Maryland, Institute of Human Virology Baltimore Maryland 21201 —
St. Agnes Health Care, Inc. Baltimore Maryland 21229 —
Calvert Internal Medicine Group Prince Frederick Maryland 20678 —
Tufts New England Medical Center Boston Massachusetts 02111 —
Fenway Community Health Boston Massachusetts 02115 —
The Research Institute Springfield Massachusetts 01107 —
Be Well Medical Center Berkley Michigan 48072 —
Michaigan State Adult Medicine Clinic Lansing Michigan 48910 —
Charles P. Craig, M.D., P.C. Ypsilanti Michigan 48197 —
Central West Clinical Research, Inc. St Louis Missouri 63108 —
Garden State Infectious Disease Associates Voorhees Township New Jersey 08043 —
Philip S. Smith, MD Cornwall-on-Hudson New York 12518 —
Elmhurst Hospital Center Elmhurst New York 11373 —
Beth Israel Medical Center New York New York 10003 —
Ricky K. Hsu, MD, PC New York New York 10011 —
Ronald Grossman, MD New York New York 10016 —
AIDS Community Research Initiative of America New York New York 10018 —
James Jones, MD New York New York 11019 —
New York Medical College Valhalla New York 10595 —
University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599 —
Local Institution Charlotte North Carolina 28209 —
Fairgrove Primary Health Hickory North Carolina 28602 —
University of Cincinnati Medical Center Cincinnati Ohio 45267 —
Metro Heath Medical Center Cleveland Ohio 44109 —
The University of Toledo Toledo Ohio 43614 —
The Research and Education Group Portland Oregon 97209 —
Kaiser Permanente Northwest Region Portland Oregon 97227 —
Lehigh Valley Hospital Allentown Pennsylvania 18102 —
Univeristy Speciality Clinics Columbia South Carolina 29203 —
Greenville Hospital System Greenville South Carolina 29605 —
Nicholaos C. Bellos, MD Dallas Texas 75204 —
Amelia Court HIV Research Dallas Texas 75235 —
Planned Parenthood Center of El Paso El Paso Texas 79903 —
Tarrant Country Infectious Disease Associates Fort Worth Texas 76104 —
Valley AIDS Council Harlingen Texas 78550 —
Therapeutic Concepts, P.A. Houston Texas 77004 —
Diversified Medical Pratices, PA Houston Texas 77027 —
University of Virginia Health System Charlottesville Virginia 22908 —
Medical Associates of Central Virginia Lynchburg Virginia 24501 —
Richmond AIDS Consortium Richmond Virginia 23219 —
Daniel R. Coulston, MD Spokane Washington 99204 —
Medical College of Wisconsin Milwaukee Wisconsin 53226 —

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00135447, 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 Apr 14, 2011 · Synced Oct 20, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00135447 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →