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10,899 rare conditions
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32,805
recruiting studies across the conditions we track
counted once per condition, 7 Sept 2026
69
new studies in the last 30 days
across 8,135 tracked conditions, 7 Sept 2026
2,404
conditions with a recruiting study
of 8,135 tracked, 7 Sept 2026
124
countries with a recruiting site
snapshot 7 Sept 2026
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Duchenne
Spinal muscular atrophy
Cystic fibrosis
Huntington disease
Sickle cell disease
Fabry disease
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Duchenne muscular dystrophy
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