More Study of Patient-Reported Frailty Needed: FDA

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CDER researchers say more study is needed to assess the association between frailty, as measured by the Patient-Reported Frailty Phenotype they developed, and clinical outcomes in multiple myeloma. Further work also is needed to compare this phenotype with other frailty measures, they say in an agency online post

“Given the findings in the study,” the post says, “researchers believe there may be more opportunities to use patient-reported data to detect frailty in oncology settings.”

The FDA and outside researchers wanted to know whether patient responses to select questions within the European Organization for Research and Treatment of Cancer Quality of Life 30-item questionnaire could be used as a proxy for the Fried Frailty Phenotype to assess frailty in patients with multiple myeloma.

They looked at records of 4,928 patients who participated in nine multiple myeloma treatment trials between 2010 and 2021, and chose five questionnaire items that measured the same or similar concepts to each Fried Frailty criterion. The researchers’ classification of the patients as fit (55.4%), pre-frail (24.5%), or frail (20.1%) based on the five-item questionnaire they developed tracked with findings in a prior prospective study of patients with relapsed/refractory multiple myeloma as determined by the International Myeloma Working Group frailty index.

The researchers say they believe this is one of the first studies to research a fully patient-reported frailty model in the context of multiple myeloma. “Given patients’ first-hand experience with the disease, they are often able to self-report frailty symptoms,” the report says. “However, this type of scientific information is often underutilized when measuring frailty in oncology. Multiple studies in the general non-cancer older adult population have shown the value of patient-reported frailty measures…. Creating a more validated questionnaire would likely require more extensive feedback from patients and experts in different scientific disciplines.”

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