Actively Recruiting

Phase 2
Age: 18Years - 50Years
FEMALE
ID05955313

Effectiveness of Low-doses of Naltrexone (LDN) on Pain Perception and Quality of Life in Women With Vulvodynia

Led by Medical University of Lublin · Updated on 2023-07-21

300

Participants Needed

1

Research Sites

52 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This research aims to evaluate the effect of low-dose naltrexone (LDN) on pain perception and quality of life in women suffering from different types of vulvodynia, a chronic vulvar pain condition with no established pharmacologic treatments. The study is a randomized controlled trial with quadruple blinding, designed to compare the effects of LDN against placebo in women aged 18 to 50 years. Vulvodynia significantly impacts quality of life, and this trial investigates whether LDN can reduce pain and improve emotional well-being over four months of treatment. Participants are randomly assigned to receive either a daily oral dose of 4.5 mg naltrexone hydrochloride or a matching placebo for four months. The trial includes five visits involving a gynecologist, nurse, psychologist, and physiotherapist for diagnosis, screening, randomization, treatment monitoring, and final assessment. The study follows the IMMPACT protocol and includes assessments using validated psychological questionnaires and physical examinations according to the Fascial Manipulation method. During participation, women will record pain levels and quality of life in an electronic diary and complete questionnaires to evaluate emotional functioning and satisfaction with treatment. The study team will monitor tolerability and side effects throughout the treatment period. Follow-up includes a telephone summary visit after treatment completion. The primary outcomes focus on changes in pain intensity, pain type and severity, emotional functioning, and patient satisfaction over four months of treatment.

CONDITIONS

Brief Title

Effectiveness of Low-dose Naltrexone in Patients With Different Types of Vulvodynia

Who Can Participate

Age: 18Years - 50Years
FEMALE

Eligibility Criteria

Eligible

You may qualify if you...

  • Women aged 18 to 50 years at the time of inclusion
  • Not pregnant and do not plan to become pregnant within 9 months of study start
  • Signed informed and voluntary consent to participate
  • General health status with WHO performance 0-2
  • Diagnosed with vulvodynia
  • Negative drug test at randomization visit
  • Documented normal cytology result within the past 3 years
  • Stable dose of central nervous system drugs for at least 1 month before screening and during study
  • Accept or agree to use a highly effective contraception method throughout the study
  • Ability to understand study procedures and use electronic devices
Not Eligible

You will not qualify if you...

  • Severe liver or kidney dysfunction as defined by specific lab test limits
  • Alcohol abuse exceeding 14 units per week or use of other stimulants
  • Use of psychoactive drugs except SSRI, SNRI, SARI (Trazodone), or certain anticonvulsants in fixed doses
  • Use of opioid drugs within 2 months prior to screening
  • Previous use of naltrexone hydrochloride or Mysimba for weight loss
  • Botox injection in the vulva within 4 months prior to screening
  • Endovascular procedures in the pelvis within 6 months prior to screening
  • Surgery requiring general anesthesia within 2 months prior to screening
  • Completed multidisciplinary vulvodynia therapy within 4 months prior to screening
  • Current vulvar diseases such as lichen, infections, or recurrent genital herpes
  • Serious mental disorders except depression or anxiety
  • Gynecological abnormalities needing treatment
  • Pelvic venous diseases meeting ultrasound criteria
  • Pregnancy or breastfeeding
  • Spastic diseases like multiple sclerosis or connective tissue disorders
  • High anxiety preventing gynecological exam (Lamont scale 3-5)
  • Significant uncorrected vision or hearing disability affecting psychological testing

AI-Screening

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Treatment

Duration - 4 months

Participants receive either low-dose Naltrexone or placebo daily for 4 months to assess its effectiveness in reducing pain and improving quality of life.

4 visits including randomization, control telephone visit, final visit, and telephone summary visit

Trial Site Locations

Total: 1 location

1

Terpa Limited Liability Company Limited Partnership

Lublin, Poland, 20-333

Actively Recruiting

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Research Team

A

Andrzej Stepulak, Professor

How is the study designed?

Study Type

INTERVENTIONAL

Masking

SINGLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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Published Research Related To This Trial

Pilot study of testing a clinical tool for pelvic physical examination in patients with vulvodynia.

Ewa Baszak-Radomanska, Jadwiga Wanczyk-Baszak, Tomasz Paszkowski

https://pubmed.ncbi.nlm.nih.gov/33757151

Pelvic floor examination in vulvodynia: VAMP protocol validation in correlation with central sensitization.

Ewa Baszak-Radomańska, Jadwiga Wańczyk-Baszak, Tomasz Paszkowski

https://pubmed.ncbi.nlm.nih.gov/40590401