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ClinicalTrials.gov public records Last synced Jul 22, 2026, 1:38 AM EDT

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Showing 1–6 of 6 matching trials from the live ClinicalTrials.gov search.
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Terminated No phase listed Observational Accepts healthy volunteers

Breath Biomarkers for Sleep Loss and Circadian Timing

NCT03980340
Conditions
Shift-Work Sleep Disorder, Shift Work Type Circadian Rhythm Sleep Disorder, Sleep Disorders, Circadian Rhythm, Sleep Disorders, Intrinsic, Advanced Sleep Phase Syndrome (ASPS), Advanced Sleep Phase Syndrome, Advanced Sleep Phase, Delayed Sleep Phase, Delayed Sleep Phase Syndrome, Non-24 Hour Sleep-Wake Disorder, Irregular Sleep-Wake Syndrome
Interventions
Short Nap Intervention, No Nap Intervention
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Terminated No phase listed Observational Accepts healthy volunteers

Biomarkers for Circadian Timing in Healthy Adults

NCT03956745
Conditions
Sleep Wake Disorders, Sleep Disorders, Circadian Rhythm, Sleep Disorders, Intrinsic, Advanced Sleep Phase Syndrome (ASPS), Advanced Sleep Phase Syndrome, Advanced Sleep Phase, Delayed Sleep Phase, Delayed Sleep Phase Syndrome, Non-24 Hour Sleep-Wake Disorder, Irregular Sleep-Wake Syndrome, Shift-Work Sleep Disorder, Shift Work Type Circadian Rhythm Sleep Disorder, Delayed Phase Sleep Syndrome
Interventions
sleep-wake timing, constant routine
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Results available

DilaCheck Cervical Dilation Measurement Trial

NCT03440723
Conditions
Cervical Dilation, Labor Pain, Labor Fast, Labor; Irregular
Interventions
DilaCheck, Cervical dilation examination
Device · Diagnostic Test
Lead sponsor
Elm Tree Medical Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Not listed No phase listed Observational Accepts healthy volunteers

The Effects of Stress & Irregular Shift Hours on First Responders

NCT05659277
Conditions
Workplace Stress, Mental Health, HRV, EEG, PTSD
Interventions
Workplace Stress and Irregular shift hours
Other
Lead sponsor
Endominance
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Irvine, California
Completed No phase listed Observational Accepts healthy volunteers

Multichannel EMG Diagnosing True Preterm Labor

NCT03785795
Conditions
Pregnancy Preterm, Labor; Irregular, Preterm Labor
Interventions
Uncertain diagnosis of true labor
Device
Lead sponsor
PreTeL, Inc
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Rochester, New York
Conditions
Prevention of Stroke or Systemic Embolism, Atrial Fibrillation
Interventions
Asundexian (BAY2433334), Apixaban, Asundexian matching placebo, Apixaban matching placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
14,830 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
163
States / cities
Dothan, Alabama • Fairhope, Alabama • Mobile, Alabama + 144 more