2026 data ClinicalTrials.gov official source

Conditions: R

Compiled by PlainTrial Editorial, Clinical Trial Intelligence Editorial Team · January 1, 2026

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

1,694 conditions starting with "R"

Showing 1,601–1,650 of 1,694

Condition	Trials	Recruiting
RNA Virus Infections	3	1
RNU4atac-opathy (e.g MOPDI, Lowry-Wood Syndrome, and Roifman Syndrome)	1	1
Robot Assisted Gait Training	1	1
Robotic Assisted Laparoscopic Radical Prostatectomy	1	1
Robotic Assisted Laparoscopic Surgery	1	1
Robotic Lung Surgery	1	1
Robotic Sleeve Gastrectomy	1	1
Robotic Surgery	1	-
Robotic Surgery and/or Radiotherapy	1	1
Robotic-assisted Cholecystectomy	1	-
Robotics	1	1
Rod Cone Dystrophy	2	2
Rod Dystrophy	1	1
Rod-Cone Degeneration	1	1
Rod-Cone Disease	1	1
ROHHAD	1	1
Rolandic Epilepsy	1	1
Rolandic Epilepsy, Benign	1	1
Role of Sex Hormones Along the Neuromechanical Axis	1	-
Romantic Relationship	1	-
Root Canal Infection	1	-
Root Canal Therapy	2	-
ROP	1	-
ROP Examination	1	1
ROS1 Gene Mutation	2	-
ROS1 Gene Rearrangement	1	-
Rosacea	24	3
Rosacea, Erythematotelangiectatic	1	1
Rosacea, Papulopustular	1	1
ROSAH	2	2
Rosai-Dorfman Disease	3	3
Rosai-Dorfman Disease (RDD)	2	2
ROSE Cluster 1	1	1
Ross Procedure	1	1
Rotational Malalignment of the Lower Extremity	1	-
Rotational Thromboelastometry	2	-
Rotator Cuff	3	1
Rotator Cuff Arthropathy	1	1
Rotator Cuff Arthropathy of Left Shoulder	1	1
Rotator Cuff Arthropathy of Right Shoulder	1	1
Rotator Cuff Deficiency	1	-
Rotator Cuff Impingement	1	-
Rotator Cuff Injuries	11	8
Rotator Cuff Repair	1	1
Rotator Cuff Repair of the Shoulder	1	1
Rotator Cuff Repairs	2	1
Rotator Cuff Syndrome	1	-
Rotator Cuff Syndrome of Shoulder and Allied Disorders	2	2
Rotator Cuff Tear	12	1
Rotator Cuff Tear Arthropathy	7	4

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