Condition
Classic Congenital Adrenal Hyperplasia clinical trials and research
As of November 12, 2026, Find a Trial lists 4 Classic Congenital Adrenal Hyperplasia clinical trials that are recruiting, at sites in 17 countries (most in Argentina (3), Brazil (3), France (3)). By phase: Phase 2/3 (1), Phase 3 (1), Phase 2 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 4Clinical trials
- 17Countries
Newest Classic Congenital Adrenal Hyperplasia clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Pediatric Congenital Adrenal Hyperplasia: Long-Term Outcomes and Feelings of Regret | — | Lille | Recruiting | Aug 24, 2026 |
| Atumelnant for children with classic congenital adrenal hyperplasia (Balance-CAH) | Phase 2/3 | Los Angeles, California and 52 other locations | Recruiting | Sep 8, 2025 |
| Atumelnant for adults with classic congenital adrenal hyperplasia | Phase 3 | Los Angeles, California and 81 other locations | Recruiting | Aug 27, 2025 |
| Long-term evaluation of atumelnant for congenital adrenal hyperplasia | Phase 2 | Minneapolis, Minnesota and 12 other locations | Recruiting | Dec 2, 2024 |
All recruiting trials (4)
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Pediatric Congenital Adrenal Hyperplasia: Long-Term Outcomes and Feelings of Regret
This study looks at adults who had classic CAH from 21-hydroxylase deficiency as children to see if early surgeries and management choices are linked to long‑term satisfaction or regret.
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Atumelnant for children with classic congenital adrenal hyperplasia (Balance-CAH)
This study will test whether atumelnant is safe and helps control hormone levels in children aged 1 to under 18 with classic congenital adrenal hyperplasia.
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Atumelnant for adults with classic congenital adrenal hyperplasia
This will test whether taking once-daily atumelnant helps adults with classic 21‑hydroxylase deficiency CAH who are already on stable glucocorticoid therapy.
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Long-term evaluation of atumelnant for congenital adrenal hyperplasia
This study is testing if a new treatment called atumelnant is safe and effective for people with congenital adrenal hyperplasia who have already participated in a related study.
Related topics
Quick answers
How many Classic Congenital Adrenal Hyperplasia 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 17 countries. The most sites are in Argentina (3 trials), Brazil (3 trials), France (3 trials), Germany (3 trials), Italy (3 trials). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 2/3: 1, Phase 3: 1, Phase 2: 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.