Panel Boosts Therapeutic Monitoring of IBD Drug


Answers from the Lab

Maria Alice Willrich, Ph.D., and Melissa Snyder, Ph.D., explain how Mayo Clinic Laboratories' unique risankizumab panel measures levels of both that drug and its antibodies in patients' blood. The results can better guide the management of patients with inflammatory bowel disease.

Therapeutic drug monitoring is an important tool for managing patients with inflammatory bowel disease. In this test-specific episode of the "Answers From the Lab" podcast, Maria Alice Willrich, Ph.D., and Melissa Snyder, Ph.D., explain how Mayo Clinic Laboratories' unique risankizumab panel measures levels of both that drug and its antibodies in patients' blood to better guide optimal treatment.

Mayo Clinic was the first laboratory to offer clinical quantitation of risankizumab, using a mass spectrometry test (Mayo ID: RISA). The new panel (Mayo ID: RISAP) includes that test in parallel with a unique bridging immunoassay for anti-risankizumab antibodies.

"Correlating those two results can really help physicians optimize treatment for each individual patient," Dr. Snyder says. "It allows for more appropriate dosing, and evaluates for the potential application of immune modulators or for whether another drug might be more appropriate."

The new immunoassay is the only risankizumab antibody test currently available. RISAP is recommended when physicians suspect loss of response to risankizumab therapy. "Therapeutic drug monitoring of biologics has become standard of care in gastroenterology, especially in the inflammatory bowel disease space," Dr. Willrich says.

Listen to learn more about Mayo Clinic Laboratories' new RISAP panel.

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Barbara J. Toman

Barbara J. Toman is a Senior Communications Specialist at Mayo Clinic Laboratories. She is also the science writer for Mayo’s Neurosciences Update newsletter, which helps referring physicians to stay informed about Mayo’s treatment and research. Barbara has worked at Mayo Clinic since 2007. She enjoys international travel and cooking.