Condition
Prophylaxis clinical trials and research
As of November 12, 2026, Find a Trial lists 4 Prophylaxis clinical trials that are recruiting, at sites in 4 countries (most in United States (1), Australia (1), France (1)). By phase: Phase 1 (1), Phase 4 (1), Phase 3 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 4Clinical trials
- 4Countries
Newest Prophylaxis clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| How long-acting cabotegravir works for HIV prevention and how hormones might affect it | Phase 1 | Baltimore, Maryland | Recruiting | Jun 29, 2026 |
| Monitoring anti‑TFPI antibodies in adult men with severe hemophilia | — | Bron and 1 other locations | Recruiting | Aug 3, 2025 |
| Using Apixaban to prevent blood clots after heart attacks | Phase 3 | Karachi, Sindh | Recruiting | Dec 19, 2024 |
| Investigating how Posaconazole works in cancer patients receiving chemotherapy or stem cell transplants | Phase 4 | Parkville, Victoria | Recruiting | Oct 24, 2018 |
All recruiting trials (4)
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How long-acting cabotegravir works for HIV prevention and how hormones might affect it
This study tests whether long-acting cabotegravir can prevent HIV and how endogenous or therapeutic hormones might change its levels in blood and genital tissues among adults.
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Monitoring anti‑TFPI antibodies in adult men with severe hemophilia
This project tests blood-based lab methods to monitor anti-TFPI antibodies in adult men with severe hemophilia who are on prophylaxis.
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Using Apixaban to prevent blood clots after heart attacks
This study is testing if a low dose of Apixaban can help prevent blood clots in people who have had a heart attack and have weak heart function.
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Investigating how Posaconazole works in cancer patients receiving chemotherapy or stem cell transplants
This study is testing how well the antifungal drug Posaconazole works in adults getting chemotherapy or stem cell transplants to see if it can help prevent serious fungal infections.
Related topics
Quick answers
How many Prophylaxis clinical trials are recruiting right now?
4, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 4 countries. The most sites are in United States (1 trial), Australia (1 trial), France (1 trial), Pakistan (1 trial). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 1: 1, Phase 4: 1, Phase 3: 1. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.