2026 data ClinicalTrials.gov official source

Conditions: N

Compiled by PlainTrial · January 1, 2026

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

1,012 conditions starting with "N"

Showing 101–150 of 1,012

Condition	Trials	Recruiting
NEC of the Bladder	1	1
Neck Cancer	5	2
Neck Disease, Head and Neck Cancer	1	-
Neck Disorder	1	1
Neck Dissection	1	1
Neck Injuries	1	-
Neck Muscle Issue	1	1
Neck Pain	32	16
Neck Pain Musculoskeletal	2	1
Neck Pain Treatment	1	1
Neck Pain, Posterior	1	1
Neck Squamous Cell Carcinoma of Unknown Primary	2	1
Neck Trauma	1	-
Necrobiotic Xanthogranuloma (NX)	1	1
Necrosis	1	1
Necrosis Pancreas	2	1
Necrotising Fasciitis	1	-
Necrotizing Enterocolitis	15	3
Necrotizing Enterocolitis (NEC)	1	1
Necrotizing Enterocolitis of Newborn	2	-
Necrotizing Fasciitis	1	-
Necrotizing Fascitis	2	2
Necrotizing Pancreatitis	1	-
Necrotizing Soft Tissue Infection	4	4
Necrotizing Soft Tissue Infections	1	1
NEDAMSS	1	-
Need for Blood Transfusion After Total Joint Arthroplasty	1	-
Need for Bowel Preparation	1	-
Need for MRI Imaging With Pacemaker or	1	-
Needle Biopsy	1	1
Needle Stick	2	-
Needlestick Injuries	1	-
Negative Affectivity	2	1
Negative Emotions	1	-
Negative Feedback	1	-
Negative Middle Ear Pressure	1	-
Negative Pressure Therapy	1	1
Negative Symptoms	1	-
Negative Symptoms in Schizophrenia	1	-
Negative Symptoms of Schizophrenia	1	-
Negative Type; Schizophrenic	1	-
Negative Urgency	1	1
Neglect, Hemispatial	3	3
Neimann Pick Disease	1	1
Neisseria Gonorrheae Infection	2	1
Neisseria Gonorrhoeae Infection	4	1
Neisseria Meningitidis	3	1
NEM5	1	1
Nemaline Myopathy	1	1
Nemaline Myopathy 5	1	1

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