deltatrials
Completed NA INTERVENTIONAL 2-arm NCT02642640

Interaction of Melatonin and MTNR1B Genotype on Glucose Control - Study 1

Sponsor: Brigham and Women's Hospital

Conditions Circadian Rhythm Genes Glucose Melatonin
Interventions melatonin placebo
Updated 13 times since 2017 Last updated: Jan 26, 2026 Started: Nov 30, 2016 Primary completion: Mar 24, 2022 Completion: Mar 24, 2022
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Circadian Rhythm and Genes and is currently completed. Brigham and Women's Hospital leads this study, which shows 13 recorded versions since 2016 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jan 2017 – ~Feb 2018 · 13 months · monthly snapshot~Feb 2018 – ~Mar 2018 · 28 days · monthly snapshot~Mar 2018 – ~Jun 2018 · 3 months · monthly snapshot~Jun 2018 – ~Aug 2019 · 14 months · monthly snapshot~Aug 2019 – ~Dec 2020 · 16 months · monthly snapshot~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshot~Jan 2021 – ~Apr 2021 · 3 months · monthly snapshot~Apr 2021 – ~Jun 2022 · 14 months · monthly snapshot~Jun 2022 – ~Sep 2022 · 3 months · monthly snapshot~Sep 2022 – ~Jul 2024 · 22 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Feb 2026 · 17 months · monthly snapshot~Feb 2026 – present · 5 months · monthly snapshot

Change History

13 versions recorded

  1. Feb 2026 — Present [monthly]

    Completed NA

  2. Sep 2024 — Feb 2026 [monthly]

    Completed NA

  3. Jul 2024 — Sep 2024 [monthly]

    Completed NA

  4. Sep 2022 — Jul 2024 [monthly]

    Completed NA

    Status: Recruiting → Completed

  5. Jun 2022 — Sep 2022 [monthly]

    Recruiting NA

▶ Show 8 earlier versions

  1. Apr 2021 — Jun 2022 [monthly]

    Recruiting NA

  2. Jan 2021 — Apr 2021 [monthly]

    Recruiting NA

  3. Dec 2020 — Jan 2021 [monthly]

    Recruiting NA

  4. Aug 2019 — Dec 2020 [monthly]

    Recruiting NA

  5. Jun 2018 — Aug 2019 [monthly]

    Recruiting NA

  6. Mar 2018 — Jun 2018 [monthly]

    Recruiting NA

  7. Feb 2018 — Mar 2018 [monthly]

    Recruiting NA

  8. Jan 2017 — Feb 2018 [monthly]

    Recruiting NA

    First recorded

Nov 2016

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Brigham and Women's Hospital
  • National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Data source: Brigham and Women's Hospital

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations