deltatrials
Completed PHASE4 INTERVENTIONAL 3-arm NCT03995277

Effect of Biotin on Routine Laboratory Values (SafeLab-HAM)

Investigator-Initiated Study to Evaluate the Effect of Biotin Ingestion On Routine Laboratory Tests

Sponsor: Dr. med. Mahir Karakas

Conditions Biotin Ingestion Interference With Routine Analyical Tests
Interventions Biotin
Updated 6 times since 2019 Last updated: May 20, 2020 Started: Jan 11, 2019 Primary completion: Feb 22, 2019 Completion: Aug 1, 2019
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE4 trial investigates Biotin Ingestion and Interference With Routine Analyical Tests and is currently completed. Dr. med. Mahir Karakas leads this study, which shows 6 recorded versions since 2019 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jul 2019 – ~Nov 2019 · 4 months · monthly snapshotActive Not Recruiting~Nov 2019 – ~Jun 2020 · 7 months · monthly snapshotCompleted~Jun 2020 – ~Jan 2021 · 7 months · monthly snapshotCompleted~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 22 months · monthly snapshotCompleted

Change History

6 versions recorded

  1. Sep 2024 — Present [monthly]

    Completed PHASE4

  2. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE4

  3. Jan 2021 — Jul 2024 [monthly]

    Completed PHASE4

  4. Jun 2020 — Jan 2021 [monthly]

    Completed PHASE4

  5. Nov 2019 — Jun 2020 [monthly]

    Completed PHASE4

    Status: Active Not Recruiting → Completed

▶ Show 1 earlier version

  1. Jul 2019 — Nov 2019 [monthly]

    Active Not Recruiting PHASE4

    First recorded

Jan 2019

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Dr. med. Mahir Karakas
Data source: Universitätsklinikum Hamburg-Eppendorf

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

Study Locations