Creating a city-wide cohort of HIV-infected individuals in Washington, DC
Official title: Development of a City-Wide Cohort of HIV-Infected Persons in Care in the District of Columbia: The DC Cohort
Run by George Washington University · NCT01206920 · Data updated 2026-11-12
This study is creating a big database of people living with HIV in Washington, DC, to help improve their care and health outcomes by collecting and sharing important information from different clinics.
Quick facts
| Study type | Observational |
|---|---|
| Sex | All |
| Enrollment | 19000 (estimated) |
| Sponsor | George Washington University Academic / other |
| Locations | 14 sites (Washington D.C., District of Columbia and 13 other locations) |
| Status | Recruiting |
| Started | January 2011 |
| Main results expected | January 2041 |
| Study ends | January 2041 |
| Registry record updated | February 2, 2026 |
| Trial ID | NCT01206920 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this cohort are individuals aged 18 and older receiving care for HIV at participating clinics in Washington, DC.
✕Probably not a fit
Patients who are unable or refuse to provide informed consent, or minors unaware of their HIV status, may not benefit from this cohort.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
The DC Cohort aims to establish a comprehensive, clinic-based longitudinal database of HIV-infected individuals receiving care in Washington, DC. This initiative will involve major community and academic clinics, collecting data on socio-demographics, risk factors, treatments, diagnoses, and clinical outcomes. The cohort will facilitate routine reporting and analytic support to improve the quality of care and clinical outcomes for patients with HIV/AIDS. By comparing data across various clinics, the project seeks to enhance understanding and management of HIV in the region.
Why it matters
Potential benefit: If successful, this cohort could significantly improve the quality of care and clinical outcomes for HIV-infected patients in Washington, DC.
How similar studies have gone: Other studies have successfully established similar cohorts, indicating that this approach is both tested and valuable for improving HIV care.
Who can join: the full rules
Show full inclusion / exclusion criteria
Treatment Cohort Inclusion Criteria: * Patient is receiving care for HIV at one or more of the twelve participating clinics in the DC Cohort. * Patient is either age 18 years or older, or seeks HIV care independently and is able to understand and sign informed consent. * Patient is a minor who is consented by a parent or legal guardian. Treatment Cohort Exclusion Criteria: * Patient is unable or refuses to provide informed consent. * Minor children ages 12 through 17 who are unaware of their HIV status Prevention Cohort Inclusion Criteria: Persons receiving any antiretroviral prescription without evidence of HIV or Hepatitis B infection * PrEP (e.g., TDF/FTC, Descovy, Apretude) * Combination ART indicative of nPEP in an HIV-uninfected person * Persons receiving an antiretroviral prescription indicative of DoxyPEP Doxycycline 200mg PO taken within 72 hrs of unprotected sexual encounter (or variations thereof where clearly not prescribed as a treatment course) * Test positive for ≥1 bacterial STI (positive gonorrhea (GC/NG) or chlamydia (CT) test or positive syphilis test requiring treatment within one year) * 2 bacterial STI (GC, chlamydia, syphilis) tests at 2 or more different encounters * 2 HIV tests at 2 or more different encounters * Patient requesting PrEP at their clinical visit * Patient requesting nPEP at their clinical visit * People who identify as injecting drugs Patients with a Z29.81 Encounter for HIV pre-exposure prophylaxis
Where it's running
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Kaiser Permanente Mid-Atlantic States
Washington D.C., District of Columbia, United States Recruiting -
Unity Health Care
Washington D.C., District of Columbia, United States Recruiting -
Georgetown University
Washington D.C., District of Columbia, United States Recruiting -
La Clinica Del Pueblo
Washington D.C., District of Columbia, United States Recruiting -
Whitman-Walker Health
Washington D.C., District of Columbia, United States Recruiting -
Children's National Medical Center--Pediatric Clinic
Washington D.C., District of Columbia, United States Recruiting
Show 8 more locations
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Washington Hospital Center
Washington D.C., District of Columbia, United States Recruiting -
Washington Health Institute
Washington D.C., District of Columbia, United States Recruiting -
Family and Medical Counseling Service
Washington D.C., District of Columbia, United States Recruiting -
George Washington Medical Faculty Associates
Washington D.C., District of Columbia, United States Recruiting -
Howard University Hospital--Adult Clinic
Washington D.C., District of Columbia, United States Recruiting -
Howard University Hospital--Pediatric Clinic
Washington D.C., District of Columbia, United States Recruiting -
Veterans Affairs Medical Center
Washington D.C., District of Columbia, United States Recruiting -
Us Helping Us, People into Living, Inc.
Washington D.C., District of Columbia, United States Recruiting
Study contacts
- Principal investigator: Amanda D Castel, MD, MPH — George Washington University
- Study coordinator: Amanda D Castel, MD, MPH
- Email: acastel@gwu.edu
- Phone: 202-994-8325
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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Expanding access to depression treatment for adults with HIV to improve mood and viral control.
This project tests whether giving HIV clinics extra training and support helps more adults with HIV and depression start proven depression treatments and reach viral suppression within a year.
-
Collaborative care program for young Black and Latino men at risk for HIV
This study tests a new support program to help young Black and Latino men at risk for HIV start taking prevention medication and manage their substance use better.
-
Financial and counseling support for transgender women to improve health services access
This study tests whether financial help and personalized counseling can make it easier for transgender women to access substance use services and HIV prevention methods like PrEP.
-
Project SHIELD 2.0: Police Education to Support Public Health in Kentucky
Aimed at police in Kentucky, this program tests whether SHIELD training given to officers, with health workers helping deliver it, can reduce drug-related arrests and steer people who use drugs toward MOUD and other health services.
-
New ways to diagnose lymphoma and multicentric Castleman disease in people living with HIV
This study tests a quick, point-of-care nucleic acid test to help diagnose lymphoma and multicentric Castleman disease in people living with HIV in sub-Saharan Africa.
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Bridge to Belonging: A Peer‑Led Program to Reduce Loneliness and Depression in older gay and bisexual men with HIV
This program tests a peer-delivered, manualized approach to help men aged 50+ with HIV connect to LGBTQ+-affirming elder services to see if it reduces loneliness and depressive symptoms.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.