Columbia Research Unit

Columbia Research Unit

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Columbia Research Unit

Phone/Text: 347-770-2201

www.ColumbiaResearchUnit.org

Our goals are to share information about vaccines, COVID-19, and advances in HIV treatment and prevention. We are helping speed the development of effective methods for HIV prevention and to set the standards of care for people living with HIV. We are working towards these goals by engaging the community through outreach and education within the Division of Infectious Diseases at the Columbia University Medical Center.

Columbia Research Unit 04/20/2026

Columbia Research Unit is looking for volunteers 65 years old or more to participate in a clinical trial for a C. difficile vaccine. C. difficile (C. diff) is a contagious bacteria (germ) that infects the colon (large intestine) and can cause diarrhea and other health complications. Visiting an emergency department or urgent care clinic increases your risk of infection. Recent antibiotic use may increase risk of infection as well.

If you are 65 years old or more and have not had C. difficile, you may be eligible, and if you:
• Have had 10 or more healthcare visits in the last year,

• Have been hospitalized at least once in the last year,

• Are scheduled to be hospitalized or have elective surgery, or

• Have received antibiotics in the last 3 months

If this clinical trial is a good fit for you and you agree to take part, here is what you can expect:

1. You will be assigned by chance (like flipping a coin) to receive 2 doses of the investigational C. diff vaccine or placebo (injection with no vaccine) given about 6 months apart.

2. Participation may last up to 3-1/2 years.

3. In the first 18 months, you will have at least 3 in-person visits and 3 phone calls.

4. You will then have one annual visit until the study ends.

5. There is no cost to participate. You will be paid at least $750.00 for completing some clinical trial activities.

Visit https://gutvaccinestudy.nyc to help us evaluate if you meet basic criteria. The link may be found in the bio.

Text or call to contact the study team at (347) 280-3298 to see if participating in a Pfizer vaccine clinical trial may be right for you.

Columbia Research Unit The Columbia Research Unit aims to accelerate vaccine development to prevent HIV and establish care standards for those living with HIV via community engagement and clinical studies.

Photos from Columbia Research Unit's post 04/16/2026

Straight men: Join our community advisory board to learn about and inform your community about cutting-edge HIV clinical research for people WITH and WITHOUT HIV. We also fight COVID and other emerging infections.

Photos from Columbia Research Unit's post 04/15/2026

Straight Men: Join our community advisory board. Help end HIV by learning about cutting-edge HIV clinical research for people with and without HIV.

Cabotegravir plus Rilpivirine for Persons with HIV and Adherence Challenges | NEJM 03/20/2026

Injectable HIV treatment may improve health outcomes for people with HIV. The next mission: getting injectable HIV treatment to people who need it most.

Cabotegravir plus Rilpivirine for Persons with HIV and Adherence Challenges | NEJM Randomized trials of long-acting injectable antiretroviral therapy (ART) in persons with human immunodeficiency virus (HIV) who face challenges with adherence to oral medication are lacking. We con...

Photos from Columbia Research Unit's post 12/15/2025

Columbia Research Unit infuses hope by conducting clinical research in the areas of HIV prevention, HIV treatment, COVID, Long COVID, Mpox, and sexual health. Learn more how to join our efforts by visiting our linktr.ee in the bio.

11/24/2025

🚨 T-MINUS ONE WEEK! 🚨

This World AIDS Day, Columbia Research Unit is proud to present the latest installment of SOS (Save Our S*x), an evening of conversation, connection, and celebration at .

Hosted by Queen Mum of Vaccine and featuring Queen of Vaccine and Mx. Vaccine-O-Licious 20 , the evening's program will include two panel discussions, a complimentary three-course dinner, drag performances, a raffle, and more!

The first panel—Fostering Discourse Between People with and Without HIV in the Age of Social Media—will be moderated by and feature panelists , , , & .

The second panel—HIV Biomedical Achievements and the Current Research Spectrum—will feature , Dr. Debbie Theodore, , (of ), and more voices from the research sphere.

A special video appearance will be made by .

Table seating will be awarded on a first-come, first-served basis.

Doors at 5:30, dinner at 6, showtime at 7.

Claim your free tickets now at sosnyc.eventbrite.com.

We hope to see you there!

Special thanks to , , & .

11/07/2025

This World AIDS Day, Columbia Research Unit is proud to present the latest installment of SOS (Save Our S*x), an evening of conversation, connection, and celebration at .

Hosted by Queen Mum of Vaccine and featuring Queen of Vaccine and Mx. Vaccine-O-Licious 20 , the evening's program will include two panel discussions, a complimentary three-course dinner, drag performances, a raffle, and more!

The first panel—Fostering Discourse Between People with and Without HIV in the Age of Social Media—will be moderated by and feature panelists , , , & .

The second panel—HIV Biomedical Achievements and the Current Research Spectrum—will feature , Dr. Debbie Theodore, Columbus Gaskins, (of ), and more voices from the research sphere.

A special video appearance will be made by .

Table seating will be awarded on a first-come, first-served basis.

Doors at 5:30, dinner at 6, showtime at 7.

Claim your free tickets now at sosnyc.eventbrite.com.

We hope to see you there!

Special thanks to .

Photos from HIV Vaccine Trials Network's post 11/06/2025
Photos from HIV Vaccine Trials Network's post 07/31/2025

Columbia Research Unit served as a research site for the Reprieve Study, the study that informed the results below.

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New York, NY

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm