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Examination of the effectiveness of Quasi-particle accelerator (QPA) for fibromyalgia

An exploratory study investigating the effectiveness of the Quasi-particle accelerator (QPA) for fibromyalgia - An exploratory study investigating the effectiveness of the Quasi-particle accelerator (QPA) for fibromyalgia

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000044620
Enrollment
10
Registered
2021-06-22
Start date
2021-06-22
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

fibromyalgia

Interventions

Treatment with QPA (2.5 hours once, once a week, 5 times in total)

Sponsors

Tokushima University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients diagnosed with fibromyalgia according to the American College of Rheumatology (ACR) Fibromyalgia Preliminary Diagnostic Criteria (2010) Prevalence period 6 months or more

Exclusion criteria

Exclusion criteria: Patients with implantable electronic devices (such as pacemakers) Patients with serious heart disease, kidney disease, liver disease Patients with arterial oxygen saturation <94% without oxygen Patients with severe peripheral neuropathy Persons who have lost temperature sensitivity Patients who cannot express their intention Patients with hypersensitivity, injury or lesions on the skin of the pad area (upper back and lower back) Pregnancy

Design outcomes

Primary

MeasureTime frame
Total score of the Japanese version of the Revised Fibromyalgia Impact Questionnaire (JFIQR) before and 4 weeks after the start of QPA treatment

Secondary

MeasureTime frame
The changes in JFIQR domain (1), (2), (3) and each item before and 4 weeks after the start of QPA treatment

Countries

Japan

Contacts

Public ContactHarutaka Yamaguchi

Tokushima University Graduate School of Biomedical Sciences Department of General Medicine

yharutaka@tokushima-u.ac.jp088-633-9656

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026