2026 data ClinicalTrials.gov official source

Conditions: N

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

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1,012 conditions starting with "N"

Showing 601–650 of 1,012

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Condition Trials
Nipple Graft Loss 1
Nipple Necrosis 1
Nipple Sparing Mastectomy 1
NIRS 1
Nitrate Supplementation 1
Nitrates 1
Nitric Oxide 4
Nitrous Oxide 1
Nivolumab 1
NK-Cell Leukemia 2
NK-Cell Lymphoma 2
NK-Cell Lymphomas 1
NK/T-Cell Lymphoma of Nasal Cavity (Diagnosis) 1
NK/T-Cell Lymphoma of Nasopharynx (Diagnosis) 1
NLRC4-GOF, AIFEC (Autoinflammation With Infantile Enterocolitis), XIAP Deficiency, CDC42 Mutations 1
NLRC4-MAS 1
NMDAR Autoimmune Encephalitis 1
NMIBC 3
NMO Spectrum Disorder 1
NMOSD 3
No Abdominal Aortic Aneurysm (Non-AAA) 1
No Applicable Condition; Study of Physiologic Monitor Alarms 1
No Condition 3
No Condition is the Focus of the Study 1
No Disease 1
No Disease or Condition is Being Studied 3
No Evidence of Disease 2
no Interaction VRET 1
No Medicaid Coverage 1
No Message Exposure (Control Condition) 1
No Restrictions on Diagnosis 1
No Specific Condition 1
No Specific Conditions 1
No Specific Medical Conditions or Disease States 1
Nociceptive Pain 4
Nocturia 10
Nocturnal Blood Pressure 1
Nocturnal Enuresis 3
Nocturnal Hypoglycemia 2
Nodal Marginal Zone B-cell Lymphoma 12
Nodal Marginal Zone Lymphoma 3
Nodal Peripheral T-Cell Lymphoma With TFH Phenotype 2
Node Negative Breast Cancer 2
Node-positive Breast Cancer 5
Nodular Basal Cell Carcinoma 3
Nodular Hyperplasia of Thyroid 1
Nodular Lymphocyte Predominant B-Cell Lymphoma 1
Nodular Lymphocyte-Predominant Hodgkin Lymphoma 2
Nodularis Prurigo 1
Nodule Solitary Pulmonary 2

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