About this trial
The primary aim of this study is to investigate whether low-dose radiotherapy is an effective treatment to reduce the pain of knee osteoarthritis. A secondary aim is to determine whether patients experience any more measurable side effects than those receiving sham treatments.
Eligibility criteria
Qualifiers
• patient's primary care provider is at Mayo Clinic in Rochester, MN
age 50-100 years
ICOAP pain scale A1 at least moderate intensity or B6 at least moderate intensity
diagnosed with primary knee OA ICD-10 codes M17.x
Disqualifiers
• Kellgren-Lawrence grade 1 or 4
pregnancy or women 54 years and younger with potential for pregnancy (if they or their partner have not had tubal ligation, hysterectomy, or vasectomy)
history of ipsilateral intraarticular knee surgery
use of injected corticosteroids within 3 months or hyaluronans within 6 months or within 1 month if there was no sustained improvement post-injection of either corticosteroid or hyaluronan.
Trial design
Treatments tested in this trial
- Low dose radiotherapy
- Sham comparator