2026 data ClinicalTrials.gov official source

Conditions: R

Every condition beginning with R that has a registered US clinical trial, with how many studies cover each.

1,691 conditions starting with "R"

Showing 1–50 of 1,691

Download the state trial statistics CSV cited on this page: clinicaltrials-gov-us-state-statistics.csv (ClinicalTrials.gov · CC0).

Data sourced from official public datasets. See our methodology for details.