A Pilot Study of the Effects of Botulinum Toxin in the Treatment of Provoked Vestibulodynia

NCT ID: NCT02858219

Last Updated: 2022-11-10

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

PHASE3

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2010-05-04

Study Completion Date

2019-02-11

Brief Summary

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The main objective of this study is to compare the efficacy of botulinum toxin injections on vestibulodynia pain compared to a group treated with a placebo.

Detailed Description

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Conditions

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Vestibulodynia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Botulinum toxin

Injection of 50 units (50U) botulinum toxin type A (powder), reconstituted in 1 mL physiologic saline solution in each perineal muscle (100 units in total).

First injection at day 1 and. A second injection is scheduled at 3 months, only if there is a 50% or more pain improvement compared to baseline (pain measured with Visual Analogic Scale).

Group Type EXPERIMENTAL

Botulinum Toxin Type A

Intervention Type DRUG

Indexes

Intervention Type OTHER

Visual Analogic Scale (VAS), Female Sexual Function Index (FSFI), Dermatology Life Quality Index (DLQI)

Saline solution

Injection of 1 mL physiologic saline solution in each perineal muscle. A second injection is scheduled at 3 months, only if there is a 50% or more pain improvement compared to baseline (pain measured with Visual Analogic Scale).

Group Type PLACEBO_COMPARATOR

Saline solution

Intervention Type OTHER

Indexes

Intervention Type OTHER

Visual Analogic Scale (VAS), Female Sexual Function Index (FSFI), Dermatology Life Quality Index (DLQI)

Interventions

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Botulinum Toxin Type A

Intervention Type DRUG

Saline solution

Intervention Type OTHER

Indexes

Visual Analogic Scale (VAS), Female Sexual Function Index (FSFI), Dermatology Life Quality Index (DLQI)

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Subject refractory to conventional treatments (tricyclic antidepressants and benzodiazepines at analgesic doses, biofeedback physical therapy)
* Negative screening test results
* Notified associated factors
* Menopause, surgically sterilized women or women using effective contraceptive method
* Good understanding and predictable adherence to the protocol
* beneficiary/affiliated to French social security/social healthcare
* signed Informed Consent Form

Exclusion Criteria

* Predictable poor adherence
* Pregnant or breastfeeding women
* Myasthenia
* Treatment with aminoglycosides
* Major mental disorders
* Underlying etiology
* Vulnerable subjects (particularly adults under guardianship)
* Any reason deemed relevant by the investigator
* Current or former (in the last 3 months) participation to another clinical trial
Minimum Eligible Age

18 Years

Maximum Eligible Age

60 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Centre Hospitalier Universitaire de Besancon

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Fabien Pelletier, MD

Role: PRINCIPAL_INVESTIGATOR

Centre Hospitalier Universitaire de Besancon

Locations

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CHU Besançon

Besançon, , France

Site Status

Hôpital Tenon

Paris, , France

Site Status

Countries

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France

Other Identifiers

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API/2011/20

Identifier Type: -

Identifier Source: org_study_id

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