Effect of Percutaneous Botulinum Toxin A Injection on Natural Course of Upper Lid Retraction in Thyroid Eye Disease
Sponsor: Shahid Beheshti University of Medical Sciences
This PHASE2/PHASE3 trial investigates Eye Diseases and is currently ongoing. Shahid Beheshti University of Medical Sciences leads this study, which shows 6 recorded versions since 2005 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.
Status Flow
Change History
6 versions recorded-
Sep 2025 — Present [monthly]
Unknown PHASE2/PHASE3
-
Sep 2024 — Sep 2025 [monthly]
Unknown PHASE2/PHASE3
-
Jul 2024 — Sep 2024 [monthly]
Unknown PHASE2/PHASE3
Status: Unknown Status → Unknown · Phase: PHASE2_PHASE3 → PHASE2/PHASE3
-
Jan 2021 — Jul 2024 [monthly]
Unknown Status PHASE2_PHASE3
-
Jun 2018 — Jan 2021 [monthly]
Unknown Status PHASE2_PHASE3
▶ Show 1 earlier version
-
Jan 2017 — Jun 2018 [monthly]
Unknown Status PHASE2_PHASE3
First recorded
May 2005
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- Shahid Beheshti University of Medical Sciences
For direct contact, visit the study record on ClinicalTrials.gov .