deltatrials
Completed OBSERVATIONAL NCT03626337

Thiamine Responsive Disorders (TRD) Among Infants in Lao PDR

A Study to Establish a Case Definition of Thiamine Responsive Disorders (TRD) Among Infants in Lao PDR

Sponsor: Lao Tropical and Public Health Institute

Conditions Thiamine Deficiency
Interventions Thiamine 100 MG/ML
Updated 17 times since 2018 Last updated: Aug 11, 2022 Started: Jun 17, 2019 Primary completion: Feb 25, 2021 Completion: Feb 25, 2021
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This observational or N/A phase trial investigates Thiamine Deficiency and is currently completed. Lao Tropical and Public Health Institute leads this study, which shows 17 recorded versions since 2019 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Sep 2018 – ~Feb 2019 · 5 months · monthly snapshot~Feb 2019 – ~May 2019 · 3 months · monthly snapshot~May 2019 – ~Jul 2019 · 2 months · monthly snapshot~Jul 2019 – ~Jan 2020 · 6 months · monthly snapshot~Jan 2020 – ~Mar 2020 · 2 months · monthly snapshot~Mar 2020 – ~Oct 2020 · 7 months · monthly snapshot~Oct 2020 – ~Nov 2020 · 31 days · monthly snapshot~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshot~Jan 2021 – ~Feb 2021 · 31 days · monthly snapshot~Feb 2021 – ~Apr 2021 · 59 days · monthly snapshot~Apr 2021 – ~Dec 2021 · 8 months · monthly snapshot~Dec 2021 – ~Feb 2022 · 2 months · monthly snapshot~Feb 2022 – ~Sep 2022 · 7 months · monthly snapshot~Sep 2022 – ~Jul 2024 · 22 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – present · 10 months · monthly snapshot

Change History

17 versions recorded

  1. Sep 2025 — Present [monthly]

    Completed

  2. Sep 2024 — Sep 2025 [monthly]

    Completed

  3. Jul 2024 — Sep 2024 [monthly]

    Completed

  4. Sep 2022 — Jul 2024 [monthly]

    Completed

  5. Feb 2022 — Sep 2022 [monthly]

    Completed

▶ Show 12 earlier versions

  1. Dec 2021 — Feb 2022 [monthly]

    Completed

  2. Apr 2021 — Dec 2021 [monthly]

    Completed

    Status: Active Not Recruiting → Completed

  3. Feb 2021 — Apr 2021 [monthly]

    Active Not Recruiting

    Status: Recruiting → Active Not Recruiting

  4. Jan 2021 — Feb 2021 [monthly]

    Recruiting

  5. Nov 2020 — Jan 2021 [monthly]

    Recruiting

  6. Oct 2020 — Nov 2020 [monthly]

    Recruiting

  7. Mar 2020 — Oct 2020 [monthly]

    Recruiting

  8. Jan 2020 — Mar 2020 [monthly]

    Recruiting

  9. Jul 2019 — Jan 2020 [monthly]

    Recruiting

    Status: Not Yet Recruiting → Recruiting

  10. May 2019 — Jul 2019 [monthly]

    Not Yet Recruiting

  11. Feb 2019 — May 2019 [monthly]

    Not Yet Recruiting

  12. Sep 2018 — Feb 2019 [monthly]

    Not Yet Recruiting

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Lao Tropical and Public Health Institute
  • University of California, Davis
Data source: University of California, Davis

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

Study Locations