Current medical research and opinion · 2024
Real-world experience with clinical management of talquetamab in relapsed/refractory multiple myeloma: a qualitative study of US healthcare providers.
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Schinke Carolina, Dhakal Binod, Mazzoni Sandra, Shenoy Samantha, Scott Sara A, Richards Tiffany, Le Hoa H, DeBrosse Amalia, Okorozo Peter, McDowell Rachel, Patel Saurabh, Bunn Jonathan, Hawks Kelly, Zhang Xinke, Rodriguez Cesar
Аннотация
OBJECTIVE: Talquetamab is the first-in-class GPRC5DxCD3 bispecific antibody for relapsed/refractory multiple myeloma. Given limited real-world data, this study was conducted with US healthcare providers (HCPs) to understand real-world talquetamab dosing and symptom management.
METHODS: In February/March 2024, individual in-depth interviews (IDIs; n = 10) were conducted with HCPs administering talquetamab in real-world settings. A subsequent expert panel (n = 6) further discussed current practices.
RESULTS: The IDIs reported a variety of settings for step-up dosing (SUD), including inpatient (n = 5), outpatient (n = 3), and hybrid models (n = 2), with a trend toward shorter SUD length to reduce healthcare resource utilization. Most HCPs used a biweekly (Q2W) schedule in SUD (n = 7) and treatment phases (n = 8). Six participants explored reducing dose frequency to every 4 weeks (Q4W) in patients following positive disease response to treatment, considering patient convenience and relieving GPRC5D-related symptoms. Panelists recommended symptom management and prophylactic strategies, such as dexamethasone and nystatin mouthwash or zinc and vitamin B complex for oral symptoms, and topical steroids and cosmetic products for skin and nail symptoms.
CONCLUSION: This study outlines current real-world practices for talquetamab. Findings indicate variation in the SUD care setting. The 0.8 mg/kg Q2W dosing schedule was most common, although switching to Q4W is a real-world symptom management strategy for some patients with responses to therapy. GPRC5D-related symptom management approaches are evolving; prophylactic use of dexamethasone and nystatin mouthwash or zinc and vitamin B complex may be effective strategies to alleviate oral symptoms. Further real-world evidence is needed to inform optimal dosing schedules while mitigating symptom impact.
METHODS: In February/March 2024, individual in-depth interviews (IDIs; n = 10) were conducted with HCPs administering talquetamab in real-world settings. A subsequent expert panel (n = 6) further discussed current practices.
RESULTS: The IDIs reported a variety of settings for step-up dosing (SUD), including inpatient (n = 5), outpatient (n = 3), and hybrid models (n = 2), with a trend toward shorter SUD length to reduce healthcare resource utilization. Most HCPs used a biweekly (Q2W) schedule in SUD (n = 7) and treatment phases (n = 8). Six participants explored reducing dose frequency to every 4 weeks (Q4W) in patients following positive disease response to treatment, considering patient convenience and relieving GPRC5D-related symptoms. Panelists recommended symptom management and prophylactic strategies, such as dexamethasone and nystatin mouthwash or zinc and vitamin B complex for oral symptoms, and topical steroids and cosmetic products for skin and nail symptoms.
CONCLUSION: This study outlines current real-world practices for talquetamab. Findings indicate variation in the SUD care setting. The 0.8 mg/kg Q2W dosing schedule was most common, although switching to Q4W is a real-world symptom management strategy for some patients with responses to therapy. GPRC5D-related symptom management approaches are evolving; prophylactic use of dexamethasone and nystatin mouthwash or zinc and vitamin B complex may be effective strategies to alleviate oral symptoms. Further real-world evidence is needed to inform optimal dosing schedules while mitigating symptom impact.