Completed PHASE3 INTERVENTIONAL 1-arm NCT00288509

Open-label Extension Study of AbobotulinumtoxinA (Dysport®) for the Treatment of Cervical Dystonia

A Phase III, Prospective, Multicenter, Open-label Extension Study to Assess the Longer Term Safety and Efficacy of Repeated Treatment of Dysport® Intramuscular Injection in the Treatment of Cervical Dystonia

Sponsor: Ipsen

Conditions Cervical Dystonia

Interventions Botulinum toxin type A

Updated 11 times since 2017 Last updated: Sep 15, 2022 Started: Feb 28, 2006 Primary completion: Jan 31, 2008 Completion: Jan 31, 2008

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT00288509, this PHASE3 trial focuses on Cervical Dystonia and remains completed. Sponsored by Ipsen, it has been updated 11 times since 2006, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

11 versions recorded

Sep 2025 — Present [monthly]

Completed PHASE3
Sep 2024 — Sep 2025 [monthly]

Completed PHASE3
Jul 2024 — Sep 2024 [monthly]

Completed PHASE3
Sep 2022 — Jul 2024 [monthly]

Completed PHASE3
Jan 2021 — Sep 2022 [monthly]

Completed PHASE3

▶ Show 6 earlier versions

Dec 2019 — Jan 2021 [monthly]

Completed PHASE3
Sep 2019 — Dec 2019 [monthly]

Completed PHASE3
Mar 2019 — Sep 2019 [monthly]

Completed PHASE3
Jun 2018 — Mar 2019 [monthly]

Completed PHASE3
Feb 2017 — Jun 2018 [monthly]

Completed PHASE3
Jan 2017 — Feb 2017 [monthly]

Completed PHASE3

First recorded

Feb 2006

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Ipsen

Data source: Ipsen

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

Study Locations

Albany, United States , Atlanta, United States , Dallas, United States , Fountain Valley, United States , Gainesville, United States , Houston, United States , Iowa City, United States , Los Angeles, United States , Miami, United States , Moscow, Russia and 5 more locations