Condition
Undiagnosed Diseases clinical trials and research
As of November 12, 2026, Find a Trial lists 3 Undiagnosed Diseases clinical trials that are recruiting, at sites in 2 countries (most in United States (2), Mauritius (1)). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 3Clinical trials
- 2Countries
Newest Undiagnosed Diseases clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Genetic analysis of rare diseases in non-US populations | — | Moka | Recruiting | Sep 19, 2024 |
| Exploring the impact of caregiving on health and well-being over time | — | Bethesda, Maryland | Recruiting | Aug 17, 2021 |
| Collecting blood and tissue samples to understand rare diseases | — | Bethesda, Maryland | Recruiting | Sep 9, 2015 |
All recruiting trials (3)
-
Genetic analysis of rare diseases in non-US populations
This study is trying to find the genetic causes of rare diseases in children and their families living outside the U.S. to improve understanding and access to testing in those areas.
-
Exploring the impact of caregiving on health and well-being over time
This study is looking at how being a caregiver affects the health and well-being of adults over time, by having them share their experiences and feelings through surveys and interviews.
-
Collecting blood and tissue samples to understand rare diseases
This study is collecting blood and tissue samples from people with rare or undiagnosed diseases to see if they can find out what causes these conditions.
Related topics
Quick answers
How many Undiagnosed Diseases clinical trials are recruiting right now?
3, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 2 countries. The most sites are in United States (2 trials), Mauritius (1 trial). Each study page lists its sites and which ones are recruiting.
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.