FDA Approves Time-Saving Combo for R/r Multiple Myeloma

The US Food and Drug Administration (FDA) this week approved daratumumab + hyaluronidase-fihj (Darzalex Faspro) and carfilzomib (Kyprolis) plus dexamethasone (Kd) for patients with relapsed or refractory multiple myeloma who have had one to three prior lines of therapy.

Using the newly approved combination in this setting is a time-saver for patients and clinics, observed an investigator.

“The approval of subcutaneous daratumumab in combination with Kd will help clinicians address unmet patient needs by reducing the administration time from hours to just minutes and reducing the frequency of infusion-related reactions, as compared to the intravenous daratumumab formulation in combination with Kd,” said Ajai Chari, MD, of Mount Sinai Cancer Clinical Trials Office in New York City in a Janssen press statement.

Efficacy data for the new approval come from a single-arm cohort of PLEIADES, a multicohort, open-label trial. The cohort included 66 patients with relapsed or refractory multiple myeloma who had received one or more prior lines of therapy. Patients received daratumumab + hyaluronidase-fihj subcutaneously in combination with carfilzomib and dexamethasone.

The main efficacy outcome measure was overall response rate, which was 84.8%. At a median follow-up of 9.2 months, the median duration of response had not been reached.

The response rate with the new combination, which features a subcutaneous injection, was akin to those with the older combination, which features the more time-consuming IV administration and was FDA approved, according to the company press release.

The most common adverse reactions (≥20%) occurring in patients treated with Darzalex Faspro, Kyprolis, and dexamethasone were upper respiratory tract infections, fatigue, insomnia, hypertension, diarrhea, cough, dyspnea, headache, pyrexia, nausea, and edema peripheral.

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