Shoulder Surgery Post-Op Pain: CBD Shows Promise Say New York Researchers In Recent Study

An orally absorbed tablet containing CBD effectively reduces pain after shoulder surgery with no safety concerns, a new study finds.

Led by researchers in the Department of Orthopedic Surgery at New York's NYU Langone Health, the study found that the tablet ORAVEXX safely managed pain after minimally invasive rotator cuff surgery, and did not produce side effects sometimes associated with CBD use, such as nausea, anxiety and liver toxicity. The findings were presented at the American Academy of Orthopaedic Surgeons 2022 Annual Meeting in Chicago.

"There is an urgent need for viable alternatives for pain management, and our study presents this form of CBD as a promising tool after arthroscopic rotator cuff repair," stated lead investigator Michael J. Alaia, MD, FAAOS, associate professor in the department of orthopedic surgery. "It could be a new, inexpensive approach for delivering pain relief, and without the side effects of anti-inflammatory drugs like NSAIDs and addiction risks linked to opiates. Additionally, CBD has the benefit of pain relief without the psychotropic effects associated with THC or marijuana."

How The Trial Was Undertaken

The multi-center Phase 1/2 clinical trial randomly involved 99 participants between the ages of 18 and 75 across 2 study sites, placing half in a placebo group and the others into the group receiving oral-absorbed CBD. Participants were given a low dose of Percocet, instructed to wean off the narcotic as soon as possible and then take the placebo/CBD 3 times a day for 14 days after the surgery.

On the first day after surgery, patients receiving CBD experienced on average 23 percent less pain as measured by the visual analog scale pain score compared to patients receiving the placebo, highlighting that in patients with moderate pain, CBD may render a significant benefit.

On both the first and second days after surgery, patients receiving CBD reported 22 to 25 percent greater satisfaction with pain control compared to those receiving placebo. Further analysis also showed that patients receiving 50 mg of CBD reported lower pain and higher satisfaction with pain control compared to patients receiving placebo. No major side effects were reported.

Results Promising, But...

While the results are promising, Dr. Alaia cautioned consumers against seeking out commercialized CBD products.

"Our study is examining a well-designed, carefully scrutinized product under an investigational new drug application sanctioned by the FDA. This is currently still experimental medicine and is not yet available for prescription," said Alaia.

Moving forward, NYU Langone has launched a second study looking at whether ORAVEXX can specifically treat chronic pain in patients with osteoarthritis. Multiple Phase 2 studies are also planned to evaluate the drug's efficacy for other acute and chronic pain management issues and assess the role of CBD on inflammation.

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Photo: Courtesy of James Yarema on Unsplash