2026 data ClinicalTrials.gov official source

Conditions: S

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

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

3,019 conditions starting with "S"

Showing 151–200 of 3,019

Condition	Trials	Recruiting
Schizophrenia Spectrum Disorders	2	2
Schizophrenia, Schizoaffective Disorder	1	-
Schizophrenia; Negative Type	1	-
Schizophrenia; Psychosis	1	1
Schizophrenic Disorders	2	-
Schizophreniform	2	-
Schizophreniform Disorder	6	1
Schizophreniform Disorders	6	1
Schizophreniform; Schizophrenic	1	1
School Adjustment	1	-
School Community	1	1
School Exclusion	1	1
School Failure	1	-
School Feeding Programs and Nutrition Supplements	1	-
School Health Services	1	-
School Located Vaccine Program	1	-
School Mental Health Services	1	-
School Readiness	5	2
School Wellness Policy	1	1
School-based Interventions	1	1
School-located Influenza Vaccination	1	-
Schwachman Diamond Syndrome	1	-
Schwannoma	4	3
Schwannomas	2	1
Schwannomatosis	3	2
SCI - Spinal Cord Injury	14	11
SCI/D	4	1
Sciatic Neuropathy	1	-
Sciatic Pain	1	1
Sciatic Radiculopathy	1	1
Sciatica	7	1
Sciatica Acute	1	-
SCLC	11	6
SCLC,Extensive Stage	1	1
Scleroderma	24	11
Scleroderma Associated Pulmonary Arterial Hypertension	1	1
Scleroderma Spectrum of Diseases	1	-
Scleroderma, Circumscribed	2	1
Scleroderma, Diffuse	2	1
Scleroderma, Limited	1	-
Scleroderma, Linear	1	1
Scleroderma, Localized	1	1
Scleroderma, Systemic	7	1
Scleroderma-Associated Interstitial Lung Disease (SSC-ILD)	1	1
Sclerosing Rhabdomyosarcoma	1	-
Sclerosis, Progressive Systemic	1	-
SCN2A Encephalopathy	2	1
SCN2A-DEE	1	1
SCN8A Developmental and Epileptic Encephalopathy Syndrome	1	-
SCN8A Encephalopathy	1	-

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