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NCT Number: NCT07265687

Impact of Magnetic Stimulation on Pain in Endometriosis Patients

Many women with endometriosis still experience pain despite surgical and medical treatment. Over-the-counter painkillers are usually helpful in alleviating this pain. But for some patients, these medications eventually stop working. Pain then dominates their daily life. In this study, we are investigating the effects of magnetic stimulation using the "Tesla chair" and whether it can alleviate their pain

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Key information

Age range

18 year and older

Sex eligibility

Female

Study type

Interventional

Phase

Not applicable

About this study

Patients who are diagnosed with CPP and hypertonic pelvic floor as assessed in gynaecological exam will be asked to participate. Before start of the Tesla chair treatment VAS Score by PPAF will be assessed. After 6 treatments (after 3 weeks an intermediate doctor's consultation will rule out aggravation of CPP by treatment and if possible the next cycle of 6 treatments will be scheduled. After completion of 12 treatments the VAS Score will be reassessed and treatments' success evaluated in a doctor's consultation. We plan to re-evaluate sustaining success after 3 months after treatments completion

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patient has been informed about study
  • Age ≥ 18 years
  • Premenopausal
  • histologically or laparoscopically or MRI confirmed endometriosis
  • CPP (cyclical pelvic pain VAS ≥ 5)
  • Pelvic floor hypertonicity
  • Written informed consent
  • sufficient German speaking
  • Current endocrine therapy for >= 3 months

Exclusion criteria

  • Contraindications according manufactureres manual Tesla Chair
  • Pregnancy or desire to become pregnant within the next 8 weeks
  • Pelvic organ prolapses
  • Genital infections
  • Menstruation
  • active malignancy, Malignant tumors
  • Severe neurological diseases
  • Cardiac arrhythmia
  • Active internal medical devices e.g. cardiac pacemakers, medication, pumps etc.
  • Ferromagnetic implants at or near the site of stimulation
  • Recent surgery at the site of stimulation
  • Thrombosis or thrombophlebitis
  • Epilepsy or suspected epilepsy
  • Acute stages of kidney stones
  • Gastrointestinal and internal disease at the site of stimulation
  • Known or suspected non-compliance, drug or alcohol abuse
  • Inability to follow the procedures of the investigation, e.g. due to language problems, psychological disorders, dementia, etc. of the subject
  • Participation in another investigation with an investigational drug or another MD within the 30 days preceding and during the present investigation
  • Previous enrolment into the current investigation
  • Enrolment of the Sponsor or PI, their family members, employees and other dependent persons
  • No endocrine therapy or use of endocrine therapy for < 3 months
  • active inflammatory diseases

Treatment and study plan

magnetic stimulation

Device

Magnetic stimulation using the Tesla-Chair

Primary outcomes

  1. Decrease of PPAF-Score before and after treatment.

    Time frame: From enrollment to the end of tratment at end of week 7

    Relief of pain measured by changes in PPAF (Pelvic pain assessment form) score before and after the treatment. 0= no pain, 10 = unbearable pain

Secondary outcomes

  1. Decrease of PPAF-Score before and after treatment.

    Time frame: From enrollment to 3 months after completion of treatment

    Relief of pain measured by changes in PPAF (Pelvic pain assessment form) score before and after the treatment. 0= no pain, 10 = unbearable pain

Other outcomes

  1. Subjective experience of patients, decrease in analgetic use

    Time frame: From enrollment to 3 months after completion of treatment

    Subjective experience of patients, decrease in analgetic use, subjective success

Sponsors and collaborators

Lead sponsor

Kantonsspital Winterthur KSW

Other

Registry information

Official study title

Pelvic Functional Magnetic Stimulation on Pain in Endometriosis Patients - a Prospective Non Randomised, Non-blinded Single Centre Observational Trial

Important dates

Study start
2026
Primary completion
2027
Study completion
2028
First posted
Dec 5, 2025
Registry last updated
Dec 5, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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