2026 data ClinicalTrials.gov official source

Conditions: M

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

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

2,128 conditions starting with "M"

Showing 251–300 of 2,128

Condition	Trials	Recruiting
Mandible Fracture	2	2
Mandible; Deformity	1	1
Mandibular Advancement	1	-
Mandibular Fractures	3	2
Mandibular Reconstruction	2	2
Mandibular Surgery	1	1
Mania	6	1
Manic Depression	1	-
Manic Disorder	1	-
Manic Episode	3	-
Manic State	1	-
Manic-Depressive Psychosis	1	-
Mannosidosis	1	-
Mansonelliasis	1	1
Mantle Cell Lymphoma	103	46
Mantle Cell Lymphoma (MCL)	10	7
Mantle Cell Lymphoma; Non-Hodgkin Lymphoma	1	-
Manual Therapy	1	-
MAP Kinase Family Gene Mutation	1	1
MAP2K1 Gene Mutation	1	-
MAPK Pathway Gene Mutation	1	1
Maple Syrup Urine Disease	1	1
Marburg Hemorrhagic Fever	1	-
Marburg Virus Disease	3	-
Marburgvirus	1	-
Marcus Gunn Syndrome	1	1
Marfan Syndrome	5	2
Marginal Bone Level Change	1	-
Marginal Lymphoma	1	-
Marginal Ulcer	3	2
Marginal Ulcer (Peptic) or Erosion	1	1
Marginal Zone B-Cell Lymphoma	1	1
Marginal Zone Lymphoma	50	28
Marginal Zone Lymphoma (MZL)	5	3
Marijuana	7	-
Marijuana Abuse	5	-
Marijuana Abuse and Dependence	1	-
Marijuana Dependence	7	-
Marijuana Impairment	2	-
Marijuana Usage	1	1
Marijuana Use	4	2
Marine Envenomation	1	-
Marital Conflict	1	1
Marital Relationship	1	-
Marital Status	1	-
Maroteaux Lamy Syndrome	3	-
Marriage	2	-
Marrow Aplasia	1	-
Marrow Toxic Injury	1	1
MASH	6	4

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