Conference Coverage

The year in osteoarthritis


 

EXPERT ANALYSIS FROM RWCS 2016

References

“This really brought a lot of folks to my office,” Dr. Troum recalled.

“Absolutely, this was big stuff,” Dr. Bergman agreed. “This became a nightmare for many of us because all of a sudden patients were scared to death about taking their NSAIDs.”

Intra-articular corticosteroids for knee osteoarthritis don’t accelerate cartilage deterioration

At last fall’s American College of Rheumatology meeting in San Francisco, Jeffrey B. Driban, Ph.D., of Tufts Medical Center, Boston, presented a double-blind, randomized trial of intra-articular injections of triamcinolone hexacetonide 40 mg versus saline quarterly for 2 years in 140 patients with symptomatic knee osteoarthritis with ultrasound evidence of synovitis. Participants underwent annual evaluation of periarticular bone and cartilage changes via MRI and dual-energy x-ray absorptiometry.

After 2 years, there was no difference between the two groups in terms of pain scores, walk time, or other functional measures. The injections – eight in total over 2 years – were safe, with new-onset hypertension and hyperglycemia rates of 3% in this obese population. And most important of all, there were no major differences between the two groups in terms of quantitative or semiquantitative structural endpoints; in other words, the injections didn’t increase the rate of structural disease progression. The intra-articular steroid group showed a modestly greater rate of loss of cartilage thickness, which the investigators deemed of uncertain clinical significance.

“The structural changes were minimal,” Dr. Troum noted. “This is only a 2-year study, but I can say that I now feel more comfortable giving these injections in patients who for whatever reason can’t get surgery.”

Dr. Bergman said that many orthopedic surgeons talk up the potential risk that intra-articular steroid injections will accelerate cartilage damage. They place an arbitrary limit on the number of injections a patient can receive.

“I think this study really helps us push back and say, ‘No, I think you’re fine in getting this procedure,’” the rheumatologist commented.

Dr. Bergman and Dr. Troum reported having no financial conflicts regarding their presentation.

bjancin@frontlinemedcom.com

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