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Low-dose Radiation Therapy for Benign Orthopaedic Conditions
Majid M Mohiuddin1, James E Ruffer, Ahmed Siddiqi
1From the Advocate Condell Medical Center, Libertyville, IL (Mohiuddin and Ruffer), the Radiation Oncology Consultants, Park Ridge, IL (Mohiuddin and Ruffer), the Department of Radiation Oncology, Wake Forest University School of Medicine, Winston-Salem, NC (Mohiuddin), the Department of Orthopedic Surgery, WVU Medicine, Princeton, WV (Siddiqi), and the Chicago Medical School, North Chicago, IL (Makda).
Low-dose radiation therapy offers pain relief and functional improvement for benign orthopaedic conditions like osteoarthritis. While effective for some, further trials are needed to confirm optimal dosing and efficacy.
Area of Science:
- Orthopaedic Surgery
- Radiation Oncology
- Musculoskeletal Disorders
Background:
- Low-dose radiation therapy (LDRT) is gaining traction for benign orthopaedic conditions.
- Commonly treated conditions include osteoarthritis and enthesopathies.
- Typical LDRT regimens involve 0.5-1 Gy per fraction, totaling 3-6 Gy.
Purpose of the Study:
- To review the current evidence on LDRT for benign orthopaedic conditions.
- To discuss the efficacy, safety, and proposed mechanisms of LDRT.
- To highlight areas of controversy and future research needs.
Main Methods:
- Systematic review of clinical studies and randomized trials.
- Analysis of mechanistic insights into LDRT's effects.
- Inclusion of consensus statements from major radiation societies.
Main Results:
- Clinical studies show significant pain relief and functional improvement, especially in patients unresponsive to conventional treatments.
- LDRT demonstrates minimal acute and long-term toxicity.
- Mechanisms involve anti-inflammatory and immunomodulatory effects, beneficial for degenerative and hyperproliferative musculoskeletal disorders.
Conclusions:
- LDRT is a promising noninvasive adjunct therapy for select patients with benign orthopaedic conditions.
- Ongoing controversies exist regarding optimal dosing and definitive efficacy, necessitating high-quality randomized trials.
- Careful patient selection and multidisciplinary collaboration are crucial for successful implementation.
