2026 data ClinicalTrials.gov official source

Conditions: D

Compiled by PlainTrial · January 1, 2026

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

1,168 conditions starting with "D"

Showing 1,001–1,050 of 1,168

Condition	Trials	Recruiting
Drug/Substance Abuse/Addiction	1	-
Drugs in Breast Milk	1	1
Drugs of Abuse	1	1
Drugs, Non-Prescription	1	-
Drunk Driving	1	1
Dry Age-Related Macular Degeneration	8	3
Dry AMD With Macular Drusen	1	-
Dry Eye	42	9
Dry Eye Disease	34	5
Dry Eye Disease (DED)	4	1
Dry Eye Sensation	1	-
Dry Eye Syndrome	11	1
Dry Eye Syndromes	19	1
Dry Mouth	4	1
Dry Needling	5	-
Dry Needling Technique	1	-
Dry Skin	2	-
DS Stage I Multiple Myeloma	3	-
DS Stage I Plasma Cell Myeloma	6	-
DS Stage II Multiple Myeloma	3	-
DS Stage II Plasma Cell Myeloma	6	-
DS Stage III Multiple Myeloma	3	-
DS Stage III Plasma Cell Myeloma	6	-
DSAD	1	1
DSD	1	1
DSD, 46,XY	1	1
DSD, Ovotesticular	1	1
DSD, Sex Chromosome	1	1
Dual Diagnosis	3	2
Dual Sensory Impairment of Vision and Hearing	1	-
Dual Use of Cigarettes and E-cigarettes	1	1
Duane Radial Ray Syndrome	1	1
Duane Retraction Syndrome	1	1
Dubouitz Syndrome	1	-
Duchene Muscular Dystrophy	1	1
Duchenne	2	1
Duchenne Disease	1	1
Duchenne Muscular Dystrophy	49	22
Duchenne Muscular Dystrophy (DMD)	4	3
Duchenne/Becker Muscular Dystrophy	1	1
Duct Cell Adenocarcinoma of the Pancreas	4	-
Ductal Adenocarcinoma of the Pancreas	1	1
Ductal Breast Carcinoma	2	-
Ductal Breast Carcinoma in Situ	12	2
Ductal Carcinoma	2	-
Ductal Carcinoma In Situ	16	8
Ductal Carcinoma in Situ of the Breast	1	-
Ductal/Lobular Carcinoma	1	1
Ductus Arteriosus, Patent	1	1
Duloxetine	1	1

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