2026 data ClinicalTrials.gov official source

Conditions: G

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

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

778 conditions starting with "G"

Showing 651–700 of 778

Condition	Trials	Recruiting
Graft Versus Host Disease in Eye	1	1
Graft Versus Host Disease, Acute	1	1
Graft Vs Host Disease	37	12
Graft vs. Host Disease (GvHD)	1	-
Graft-Versus-Host Disease	42	12
Graft-versus-host Disease (GVHD)	4	2
Graft-versus-leukemia	2	2
Grafting, Kidney	1	-
Gram Positive Bacterial Infection	1	-
Gram-negative Bacteremia	1	1
Gram-negative Bacterial Infection	1	1
Gram-negative Bacterial Infections	5	1
Grammatical Language	1	-
Grandmother	1	-
Grandparents	1	-
Granulocytic Sarcoma	1	-
Granuloma	1	1
Granuloma Annulare	1	-
Granulomatosis With Polyangiitis	5	1
Granulomatosis With Polyangiitis (GPA)	2	2
Granulomatosis With Polyangiitis (Wegener's)	3	2
Granulomatosis With Polyangiitis (Wegener's) (GPA)	1	-
Granulomatous Disease, Chronic	2	1
Granulomatous Polyangiitis	1	-
Granulomatous, Mastitis	1	-
Granulosa Cells	1	-
Graves Disease	12	9
Graves Ophthalmopathy	4	3
Graves Orbitopathy	2	1
Gray-Zone Lymphoma	2	2
Great Saphenous Vein (GSV) With Venous Reflux Disease	2	-
Great Vessel Reconstruction	1	-
Greater Trochanteric Pain Syndrome	1	1
Grief	13	9
Grief Disorder, Prolonged	1	1
GRIN-related Disorders	1	-
GRIN-related Neurodevelopmental Disorder	1	1
Groin Pain	1	1
Gross Motor Development Delay	4	-
Gross Rotator Cuff Deficiency	1	-
Grossly Deficient Rotator Cuff	1	-
Group 2 Pulmonary Hypertension	2	2
Group A Streptococcal Infection	3	1
Group B Streptococcal Infections	1	-
Group B Streptococcus Carrier in Childbirth	1	-
Group D Retinoblastoma	1	1
Group Meetings	2	-
Grover's Disease	1	-
Growth	4	-
Growth & Development	2	-

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