Using closed-loop spinal cord stimulation to treat chronic pelvic pain

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study aims to evaluate the effectiveness of electrically evoked compound action potential (ECAP)-controlled closed-loop spinal cord stimulation (SCS) for treating chronic pelvic pain by targeting the conus medullaris in the spine. The study will assess the efficacy of this approach in alleviating pain and improving quality of life, as well as monitor safety and device performance. Participants will undergo a trial procedure followed by a potential permanent implant, with data collected at various time points over a year. The study will enroll up to 20 subjects with chronic, intractable pelvic pain who meet specific eligibility criteria.

Why it matters

Who can join: the full rules

Inclusion Criteria:

1. Subject is 18 years of age or older at the time of enrollment.
2. Subject has a minimum Visual Analog Scale (VAS) score of 60 mm or higher (where 100 mm pain) at baseline.
3. Subject has been diagnosed with chronic intractable pain of the trunk and/or limbs specifically related to pelvic/genital/perineal/anorectal pain, which has been refractory to conservative therapy for a minimum of 6 months.
4. Subject has pain resulting from a known injury (surgery or trauma).
5. Subject has been clinically diagnosed with chronic pelvic pain (pain that occurs in the region of the pelvis), including diagnoses such as, but not limited to, complex regional pain syndrome (CRPS types 1 and 2), postsurgical pain, post-traumatic injury pain, interstitial cystitis/painful bladder syndrome, post-hysterectomy pain, post-prostatectomy pain, vulvodynia, chronic ovarian pain, and pudendal neuralgia of a known cause.
6. Subject is an appropriate candidate for the surgical procedures required in this study based on the clinical judgment of the implanting physician.
7. Subject is willing and capable of giving informed consent.
8. Subject is willing and able to comply with study-related requirements, procedures, and visits.

Exclusion Criteria:

1. Subject is pregnant or nursing.
2. Subject is involved in a malignancy or injury claim under current litigation or has pending/approved worker's compensation claim.
3. Subject's mechanism of pain is unknown.
4. Suspected cause and onset of pain are more than 30 days apart.
5. Subject has history of small fiber neuropathy, mitochondrial disease, fibromyalgia, addiction, CRPS in secondary pain area, and/or atypical facial pain.
6. Subject has been diagnosed with Crohn's Disease, Irritable Bowel Syndrome, ulcerous colitis, or any other inflammatory disease that is ongoing.
7. Subject has a medical condition or pain in other area(s), not intended to be treated with SCS, that could interfere with study procedures, as determined by the Investigator.
8. Subject has a history of sexual abuse and/or sexual trauma.
9. Subject has a history of unmanaged depression or anxiety that pre-dates the onset of symptoms.
10. Subject is using greater than 100 MME (morphine milligram equivalents) of opioids at baseline.
11. Subject shows evidence of an active, disruptive psychological or psychiatric disorder or other known condition significant enough to impact perception of pain, compliance of intervention, and/or ability to evaluate treatment outcomes.
12. Subject has previous neuromodulation experience including SCS (Spinal Cord Stimulator) and/or DRG (Dorsal Root Ganglion).
13. Subject has an existing drug pump and/or SCS system, or another active implantable device such as a pacemaker, deep brain stimulator, or sacral nerve stimulator.
14. Subject is concomitantly participating in another clinical study.

Where it's running

• Ainsworth Institute of Pain Management
  New York, New York, United States Recruiting

Study contacts

• Principal investigator: Corey W Hunter, MD, FIPP — Ainsworth Institute of Pain Management
• Study coordinator: Zoey Smith
• Email: zsmith@ainpain.com
• Phone: (212) 203 2813

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Other studies for the same condition or treatment. Recruiting studies are listed first.

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.