- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01325090
Early Administration of Botox® in Neuropathic Pain Due to Thoracoscopy or Thoracotomy (APTODON)
August 10, 2018 updated by: University Hospital, Limoges
Early Administration of Botulinum Toxin Type A (Botox®) in Neuropathic Pain Due to Thoracoscopy or Thoracotomy: a Randomized, Double Blind, Placebo Controlled Study
Botulinum toxin type A has been reported to inhibit the release of various pain neurotransmitters (SP, CGRP, glutamate) responsible for neurogenic inflammation, a process that results from the sensitization of C-fiber nociceptors (peripheral sensitization).
This action is probably responsible for the analgesic effect of botulinum toxin type A recently demonstrated in patients with neuropathic pain of peripheral origin.In those studies, patients had been suffering for years.
The investigators can hypothesizes that earlier administration of Botox in the course of neuropathic pain might prevent central sensitization, that is secondary to peripheral sensitization.
The investigators can hope to increase efficacy of Botulinum toxin type A injections and to prevent chronification of pain.
Study Overview
Status
Withdrawn
Intervention / Treatment
Study Type
Interventional
Phase
- Phase 3
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- daily pain, for 3 months, secondary to thoracoscopy or thoracotomy, of neuropathic origin (DN4 questionary)
Exclusion Criteria:
- contraindications for botulinum toxin
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: BOTOX
Patients will receive in one session multiple intradermal injections of Botox, in order to cover the whole painful area
|
A syringe of 1 ml contain 25 Allergan units.
|
Placebo Comparator: PLACEBO
Patients will receive in one session multiple intradermal injections of placebo , in order to cover the whole painful area
|
The pharmacist will fill syringes in tuberculins of 1 ml with injectable solution of sodium chloride of 0,9 %.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
decrease in average pain intensity as measured by the Brief Pain Inventory (BPI)
Time Frame: one month
|
one month
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
VAS in the last 24 hours
Time Frame: 24 hours
|
24 hours
|
Neuropathic Pain Inventory
Time Frame: 6 months
|
6 months
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Danièle RANOUX, MD, University Hospital, Limoges
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
May 1, 2011
Primary Completion (Actual)
November 1, 2013
Study Completion (Actual)
November 1, 2014
Study Registration Dates
First Submitted
March 28, 2011
First Submitted That Met QC Criteria
March 28, 2011
First Posted (Estimate)
March 29, 2011
Study Record Updates
Last Update Posted (Actual)
August 13, 2018
Last Update Submitted That Met QC Criteria
August 10, 2018
Last Verified
March 1, 2011
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- I09006 / APTODON
- 2010-021506-38 (EudraCT Number)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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