deltatrials
Terminated NA INTERVENTIONAL 2-arm NCT04570475

High Dose Vitamin D Plus Multivitamin in the Prevention of Cluster Headache

High Dose Vitamin D Plus Multivitamin in the Prevention of Cluster Headache: a Randomized, Double-blind, Placebo Controlled Trial.

Sponsor: The University of Texas Health Science Center, Houston

Updated 11 times since 2020 Last updated: Feb 3, 2025 Started: Sep 15, 2021 Primary completion: May 13, 2024 Completion: May 13, 2024
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Terminated

Low number met criteria to randomize.

Listed as NCT04570475, this NA trial focuses on Cluster Headache and remains terminated or withdrawn. Sponsored by The University of Texas Health Science Center, Houston, it has been updated 11 times since 2021, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Oct 2020 – ~Dec 2020 · 2 months · monthly snapshotNot Yet Recruiting~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshotNot Yet Recruiting~Jan 2021 – ~May 2021 · 4 months · monthly snapshotNot Yet Recruiting~May 2021 – ~Oct 2021 · 5 months · monthly snapshotNot Yet Recruiting~Oct 2021 – ~Dec 2022 · 14 months · monthly snapshotRecruiting~Dec 2022 – ~Dec 2023 · 12 months · monthly snapshotRecruiting~Dec 2023 – ~Jun 2024 · 6 months · monthly snapshotRecruiting~Jun 2024 – ~Jul 2024 · 30 days · monthly snapshotTerminated~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotTerminated~Sep 2024 – ~Mar 2025 · 6 months · monthly snapshotTerminated~Mar 2025 – present · 17 months · monthly snapshotTerminated

Change History

11 versions recorded
  1. Mar 2025 — Present [monthly]

    Terminated NA

    Phase: PHASE3NA

  2. Sep 2024 — Mar 2025 [monthly]

    Terminated PHASE3

  3. Jul 2024 — Sep 2024 [monthly]

    Terminated PHASE3

  4. Jun 2024 — Jul 2024 [monthly]

    Terminated PHASE3

    Status: RecruitingTerminated

  5. Dec 2023 — Jun 2024 [monthly]

    Recruiting PHASE3

Show 6 earlier versions
  1. Dec 2022 — Dec 2023 [monthly]

    Recruiting PHASE3

  2. Oct 2021 — Dec 2022 [monthly]

    Recruiting PHASE3

    Status: Not Yet RecruitingRecruiting

  3. May 2021 — Oct 2021 [monthly]

    Not Yet Recruiting PHASE3

  4. Jan 2021 — May 2021 [monthly]

    Not Yet Recruiting PHASE3

  5. Dec 2020 — Jan 2021 [monthly]

    Not Yet Recruiting PHASE3

  6. Oct 2020 — Dec 2020 [monthly]

    Not Yet Recruiting PHASE3

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • The University of Texas Health Science Center, Houston
Data source: The University of Texas Health Science Center, Houston

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

Study Locations