deltatrials
Completed NA INTERVENTIONAL 1-arm NCT03481907

Topical Collagen Powder for Healing of Acute Full-thickness Wounds

Topical Collagen Powder as a Wound Healing Adjuvant for Acute Full-thickness Punch Biopsy-induced Human Wounds: a Pilot Study

Sponsor: Adam Friedman

Updated 8 times since 2018 Last updated: Mar 27, 2023 Started: Mar 15, 2018 Primary completion: Oct 18, 2018 Completion: Nov 1, 2018
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT03481907, this NA trial focuses on Wound Heal and Wound of Skin and remains completed. Sponsored by Adam Friedman, it has been updated 8 times since 2018, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Apr 2018 – ~Jun 2018 · 2 months · monthly snapshotRecruiting~Jun 2018 – ~Dec 2018 · 6 months · monthly snapshotRecruiting~Dec 2018 – ~Jan 2021 · 25 months · monthly snapshotCompleted~Jan 2021 – ~Apr 2023 · 27 months · monthly snapshotCompleted~Apr 2023 – ~Jul 2024 · 15 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 10 months · monthly snapshotCompleted

Change History

8 versions recorded
  1. Sep 2025 — Present [monthly]

    Completed NA

  2. Sep 2024 — Sep 2025 [monthly]

    Completed NA

  3. Jul 2024 — Sep 2024 [monthly]

    Completed NA

  4. Apr 2023 — Jul 2024 [monthly]

    Completed NA

  5. Jan 2021 — Apr 2023 [monthly]

    Completed NA

Show 3 earlier versions
  1. Dec 2018 — Jan 2021 [monthly]

    Completed NA

    Status: RecruitingCompleted

  2. Jun 2018 — Dec 2018 [monthly]

    Recruiting NA

  3. Apr 2018 — Jun 2018 [monthly]

    Recruiting NA

    First recorded

Mar 2018

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Adam Friedman
  • CPN Biosciences
Data source: George Washington University

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