Completed PHASE4 INTERVENTIONAL 2-arm NCT00527202

Efficacy Study of Botox to Treat Neuropathic Pain

Randomized Placebo-controlled Study of the Efficacy of Botulinum Toxin Type A (Botox) in Spontaneous Pain and Allodynia Related to Traumatic Nerve Injury or Postherpetic Neuralgia

Sponsor: Hospital Ambroise Paré Paris

Conditions Nerve Trauma Postherpetic Neuralgia

Interventions botulinum toxin A

Updated 6 times since 2017 Last updated: Apr 29, 2021 Started: Jun 30, 2004 Primary completion: Mar 31, 2007 Completion: Mar 31, 2007

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 Nerve Trauma and Postherpetic Neuralgia and is currently completed. Hospital Ambroise Paré Paris leads this study, which shows 6 recorded versions since 2004 — 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]

Completed PHASE4
Sep 2024 — Sep 2025 [monthly]

Completed PHASE4
Jul 2024 — Sep 2024 [monthly]

Completed PHASE4
Jun 2021 — Jul 2024 [monthly]

Completed PHASE4
Jan 2021 — Jun 2021 [monthly]

Completed PHASE4

▶ Show 1 earlier version

Jan 2017 — Jan 2021 [monthly]

Completed PHASE4

First recorded

Jun 2004

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Hospital Ambroise Paré Paris

Data source: Hospital Ambroise Paré Paris

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

Study Locations

• Boulogne-Billancourt, France