Analgesic Effect of an Injection of Botulinum Toxin Type A in the Ganglion Impar in Patients With Chronic Proctalgia

NCT ID: NCT01331356

Last Updated: 2013-10-07

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

18 participants

Study Classification

INTERVENTIONAL

Study Start Date

2010-10-31

Study Completion Date

2012-07-31

Brief Summary

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The main objective is to evaluate the analgesic efficacy of botulinum toxin type A in refractory chronic proctalgia one month after a bilateral injection of 50 units of Botox ® in the ganglion Impar (total dose = 100 units)

Detailed Description

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Conditions

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Proctalgia

Keywords

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Chronic proctalgia Botulinum toxin type A Ganglion Impar Perineal pain Pudendal neuralgia Refractory chronic proctalgia

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Injection of botulinum toxin type A

Group Type EXPERIMENTAL

Botox

Intervention Type DRUG

One injection of botulinum toxin type A in the ganglion Impar in patients with chronic proctalgia

Interventions

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Botox

One injection of botulinum toxin type A in the ganglion Impar in patients with chronic proctalgia

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Age \> 18 years
* Patient with chronic proctalgia according to the criteria of Rome III
* Chronic or recurrent rectal pain
* Pains evolve over periods of at least 20 minutes
* With the exclusion of other causes of rectal pain: ischemic, inflammatory bowel disease, cryptic lesions, intramuscular abscess, anal fissure, hemorrhoids, prostatitis and isolated coccydynia
* Pains evolve in a regular way since more than 3 months and the symptoms started since at least 6 months
* These chronic proctalgia include syndromes of anus elevator and nonspecific functional anorectal pains
* Patient with positive anesthetic block of ganglion Impar (minimum of 30 days before D0 and maximum of 270 days before D0)
* Main score (SP) ≥ 4 before infiltration of botulinum toxin type A
* Signed informed consent
* Subjects affiliated with an appropriate social security system

Exclusion Criteria

* Pain related malignancy
* Patients with bleeding risk and recent anticoagulant therapy
* Surgery within 3 months
* Pre-existing anal incontinence
* Intolerance of botulinum toxin A, local anesthetics and radio contrast medium
* Injection of botulinum toxin in any place whatsoever in the previous 3 months
* Pregnancy and breast feeding
* Antibiotic treatment by aminoglycosides
* Recent anti-inflammatory treatment
* Severe myasthenia
* Lambert-Eaton syndrome
* Patients with neurological disorders, dysphagia, food choking or inhalation pneumonia
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Nantes University Hospital

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Jean-Jacques LABAT, Dr

Role: PRINCIPAL_INVESTIGATOR

Nantes University Hospital

Locations

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Nantes University Hospital

Nantes, , France

Site Status

Centre Catherine de Sienne

Nantes, , France

Site Status

Countries

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France

Other Identifiers

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10/4-T

Identifier Type: -

Identifier Source: org_study_id