Status:
RECRUITING
Study Evaluating the Analgesic Efficacy of Capsaicin 8% Patches in Chronic Coccygodynia.
Lead Sponsor:
Nantes University Hospital
Conditions:
Coccyx Disorder
Neuropathic Pain
Eligibility:
All Genders
18+ years
Phase:
PHASE3
Brief Summary
The primary objective is to demonstrate the analgesic effect at day 60 of 8% capsaicin patch (Qutenza) for the treatment of patients with coccygodyinia.
Detailed Description
This trial is a French, multicenter, randomized, controlled, bouble-blind and prospective study. Patients enrolled will be clinically followed for 5 months. The treatment duration per subject is 1 hou...
Eligibility Criteria
Inclusion
- \>18 years old at the pre-inclusion visit
- Presenting with chronic coccygodynia: pain in the coccygeal region, increased by sitting and or when rising from a sitting position and pain over the last ten days of intensity greater than or equal to four on the eleven-point numerical scale (from zero to ten) and having been present for more than 3 months.
- Failure of previous treatments: NSAIDs, pressure-relieving cushions and/or infiltration or having a contraindication to these treatments, or not wishing to receive these treatments
- Have never been treated with an 8% capsaicin patch for this indication
- With at least one clinical sign suggestive of neuropathic pain (burning, painful cold, numbness, tingling, electric discharge, allodynia of the gluteal groove, allodynia to pressure on the coccyx)
- Proficiency in reading and writing the French language
- Be affiliated to the social security system
- Have signed an informed consent form
- Women must meet one of the following criteria at the time of inclusion:
- be using adequate contraceptive measures, and have a negative pregnancy test (specify if urine or blood test) prior to receiving the first dose of trial medication;
- or be post-menopausal (aged over 50 with amenorrhoea for at least 12 months after stopping all exogenous hormonal treatments)
- or (if under 50) have been in amenorrhoea for at least 12 months after stopping all exogenous hormone treatments and with luteinising hormone (LH) and follicle stimulating hormone (FSH) levels corresponding to post-menopausal levels.
- or have undergone irreversible surgical sterilisation by hysterectomy, bilateral oophorectomy or bilateral salpingectomy (this operation must be documented).
Exclusion
- Coccygodynia accompanied by a dermatological lesion in the intergluteal cleft (psoriasis, pilodinial cyste, wound)
- Patients with other major pain disorders likely to interfere with pain assessment
- Hypersensitivity to capsaicin or to one of the excipients
- Adults under legal protection (guardianship, curatorship, legal protection)
- Pregnant or breast-feeding women
- Patients who have undergone total coccygectomy
Key Trial Info
Start Date :
November 8 2023
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
June 8 2027
Estimated Enrollment :
188 Patients enrolled
Trial Details
Trial ID
NCT06023706
Start Date
November 8 2023
End Date
June 8 2027
Last Update
July 26 2024
Active Locations (6)
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1
Brest University Hospital
Brest, France
2
Vendée Departmental Hospital
La Roche-sur-Yon, France
3
Confluent Private Hospital Centre
Nantes, France
4
Nantes University Hospital
Nantes, France