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 851–900 of 1,012

Condition	Trials	Recruiting
Nonarteritic Ischemic Optic Neuropathy	1	1
Noncardiac Surgery	3	1
Noncarious Cervical Lesions	1	-
Noncompliance, Patient	1	1
Noncontiguous Stage II Mantle Cell Lymphoma	1	-
Nonconvulsive Seizures	2	-
Nonconvulsive Status Epilepticus	1	-
Nonepileptic Seizures	1	-
Nonfluent Aphasia, Progressive	2	1
Nonfluent Variant Primary Progressive Aphasia (nfvPPA)	3	2
Nonhealing Venous Leg Ulcer	1	1
Nonimmune Fetal Hydrops	1	1
Nonimmune Hydrops in Neonate	1	1
Noninsulin Dependent Diabetes Mellitus, Type II	1	-
Nonintubated Acute Respiratory Distress Syndrome (ARDS)	1	1
Nonischemic Congestive Cardiomyopathy	1	1
Nonlymphoblastic Leukemia, Acute	1	1
Nonlymphocytic Leukemia	1	-
Nonmalignant Breast Conditions	1	-
Nonmalignant Neoplasm	4	2
Nonneoplastic Condition	1	-
Nonobstructive Azoospermia	1	1
Nonoperative Care	1	1
Nonradiographic Axial Spondyloarthritis	1	-
Nonsene Mutation Duchenne Muscular Dystrophy	1	-
Nonsteroidal Anti-inflammatory Drugs	1	-
Nonsteroidals (NSAIDs)Toxicity	1	-
Nonsuicidal Self Injury	3	-
Nonterminal Premolar Needing Extraction	1	-
Nontherapeutic	1	-
Nontraumatic Haemorrhage	1	1
Nontraumatic Injury	1	1
Nontuberculosis Mycobacteria (NTM)	1	1
Nontuberculous Mycobacteria	2	1
Nontuberculous Mycobacterial Infection	1	-
Nontuberculous Mycobacterial Lung Disease	3	3
Nontuberculous Mycobacterial Pulmonary Infection	1	1
Nontuberculous Mycobacterium Infection	2	2
Nonunion of Fracture	3	3
Nonvalvular Atrial Fibrillation	6	1
Noonan Neurofibromatosis Syndrome	1	1
Noonan Syndrome	5	4
Noonan Syndrome With Multiple Lentigines	1	1
Normal	1	-
Normal (no Known Injury) Anal Sphincter Female Anatomy	1	-
Normal Aging	1	1
Normal and Abnormal Cardiovascular Physiology	1	1
Normal and Diseased Tissue and Body Fluids Samples	1	1
Normal and Overweight Individuals at High-risk of Diabetes	1	1
Normal Blood Pressure	1	1

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

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