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Clinical Trial Summary

Vulvodynia (Vd) is chronic functional vulvar pain, with prevalence of 3-16% and unclear etiopathology. Although Vd significantly deteriorates quality of life, the problem is marginalized, no pharmacologic treatment standards exist. Naltrexone hydrochloride is a specific opioid antagonist with slight agonist activity. There is growing body of evidence supporting the effectiveness of low-dose naltrexone (LDN) in different types of chronic pain. The main goal of this trial is to test the effect of LDN on pain perception and quality of life in women with different types of Vd. Half of the study population receives LDN and the remaining patients take placebo, according to randomization list. This RTC is quadruplet blinded.


Clinical Trial Description

In this Randomized Controlled Trial the effectiveness of LDN in reducing chronic pain and improvement of quality of life in women with provoked, spontaneous or mixed vulvodynia is assessed on the basis of the test results recommended according to IMMPACT protocol, compared to the placebo arm. Patients remain in the study for 6 months (4 months of treatment with LDN or placebo). There are 5 visits by a gynecologist (diagnosis of vulvodynia, inclusion and exclusion criteria, randomization), nurse, psychologist and physiotherapist: screening, randomization, control telephone visit, final visit and telephone summary visit. Pain perception and quality of life estimation is reported by the patient in e-diary, validated psychology questionnaires are fulfilled and physical examination acc. Fascial Manipulation (CFMS) L. Stecco method is performed. Tolerability of LDN therapy will also be assessed. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05955313
Study type Interventional
Source Medical University of Lublin
Contact Andrzej Stepulak, Professor
Phone 448 52 98
Email cwnr@umlub.pl
Status Recruiting
Phase Phase 2
Start date May 31, 2023
Completion date December 31, 2026

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