deltatrials
Completed NA INTERVENTIONAL 1-arm NCT03749863

Serial Platelet-Rich Plasma Injections for Vocal Fold Atrophy, Scar, and/or Sulcus Vocalis

Safety and Efficacy of Serial Platelet-Rich Plasma Injections for Treatment of Vocal Fold Atrophy, Scar, and/or Sulcus Vocalis

Sponsor: University of Southern California

Updated 11 times since 2018 Last updated: May 8, 2023 Started: Feb 18, 2020 Primary completion: Sep 30, 2022 Completion: Sep 30, 2022
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A NA clinical study on Atrophy; Larynx and Dysphonia, this trial is completed. The trial is conducted by University of Southern California and has accumulated 11 data snapshots since 2020. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Dec 2018 – ~May 2019 · 5 months · monthly snapshotNot Yet Recruiting~May 2019 – ~Jul 2019 · 2 months · monthly snapshotNot Yet Recruiting~Jul 2019 – ~Sep 2019 · 2 months · monthly snapshotNot Yet Recruiting~Sep 2019 – ~Apr 2020 · 7 months · monthly snapshotNot Yet Recruiting~Apr 2020 – ~Jan 2021 · 9 months · monthly snapshotActive Not Recruiting~Jan 2021 – ~Apr 2021 · 3 months · monthly snapshotActive Not Recruiting~Apr 2021 – ~Jun 2022 · 14 months · monthly snapshotEnrolling By Invitation~Jun 2022 – ~Jun 2023 · 12 months · monthly snapshotEnrolling By Invitation~Jun 2023 – ~Jul 2024 · 13 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 22 months · monthly snapshotCompleted

Change History

11 versions recorded
  1. Sep 2024 — Present [monthly]

    Completed NA

  2. Jul 2024 — Sep 2024 [monthly]

    Completed NA

  3. Jun 2023 — Jul 2024 [monthly]

    Completed NA

    Status: Enrolling By InvitationCompleted

  4. Jun 2022 — Jun 2023 [monthly]

    Enrolling By Invitation NA

  5. Apr 2021 — Jun 2022 [monthly]

    Enrolling By Invitation NA

    Status: Active Not RecruitingEnrolling By Invitation

Show 6 earlier versions
  1. Jan 2021 — Apr 2021 [monthly]

    Active Not Recruiting NA

  2. Apr 2020 — Jan 2021 [monthly]

    Active Not Recruiting NA

    Status: Not Yet RecruitingActive Not Recruiting

  3. Sep 2019 — Apr 2020 [monthly]

    Not Yet Recruiting NA

  4. Jul 2019 — Sep 2019 [monthly]

    Not Yet Recruiting NA

  5. May 2019 — Jul 2019 [monthly]

    Not Yet Recruiting NA

  6. Dec 2018 — May 2019 [monthly]

    Not Yet Recruiting NA

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • University of Southern California
Data source: University of Southern California

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

Study Locations