2026 data ClinicalTrials.gov official source

Conditions: S

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

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3,019 conditions starting with "S"

Showing 851–900 of 3,019

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Condition Trials
Sleep Driving 1
Sleep Duration 2
Sleep Fragmentation 5
Sleep Habit 1
Sleep Habit, Good 1
Sleep Health 6
Sleep Hygiene 12
Sleep Hygiene, Inadequate 1
Sleep Initiation and Maintenance Disorders 20
Sleep Insufficiency 1
Sleep Onset Insomnia 1
Sleep Phase Rhythm Disturbance 1
Sleep Problems 8
Sleep Quality 14
Sleep Related Breathing Disorder 1
Sleep Related Movement Disorders 1
Sleep Restriction 5
Sleep Restriction Then Total Sleep Deprivation 1
Sleep Wake Disorders 7
Sleep, Inadequate 3
Sleep-Related Eating Disorder 1
Sleep-related Epileptic Encephalopathy 1
Sleep-wake Disorder in Blind Individuals 1
Sleepiness 3
Sleeve Gastrectomy 9
SLL 3
SLL (Small Lymphocytic Lymphoma) 2
Slow Heart Beat 1
Sly Syndrome 2
SM With an Associated Hematologic Neoplasm (SM-AHN) 1
SMA 7
SMA - Spinal Muscular Atrophy 1
Small Airways Diseases 1
Small Bone Fragments and Arthrodesis 1
Small Bowel Adenocarcinoma 1
Small Bowel Bacterial Overgrowth Syndrome 1
Small Bowel Bacterial Overgrowth Syndrome (SBBOS) 1
Small Bowel Cancer 5
Small Bowel Crohn's Disease 1
Small Bowel Disease 1
Small Bowel Transit 1
Small Cell and Non-small Cell Lung Cancer 1
Small Cell Cancer 1
Small Cell Carcinoma 1
Small Cell Carcinoma of Lung 1
Small Cell Carcinoma of the Bladder 2
Small Cell Carcinoma of the Urinary Tract 1
Small Cell Glioblastoma 1
Small Cell Lung Cancer (SCLC ) 3
Small Cell Lung Cancer (SCLC) 10

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