American journal of kidney diseases : the official journal of the National Kidney Foundation · 2021
Etelcalcetide Utilization, Dosing Titration, and Chronic Kidney Disease-Mineral and Bone Disease (CKD-MBD) Marker Responses in US Hemodialysis Patients.
Клиническое исследованиеСтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАПоддержка службы здравоохранения СШАНазвание и аннотация: Перевод в очереди
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Karaboyas Angelo, Muenz Daniel, Fuller Douglas S, Desai Pooja, Lin Tzu-Chieh, Robinson Bruce M, Rossetti Sandro, Pisoni Ronald L
Аннотация
RATIONALE & OBJECTIVE: Clinical trial data have demonstrated the efficacy of etelcalcetide for reducing parathyroid hormone (PTH) levels in hemodialysis (HD) patients. We provide a real-world summary of etelcalcetide utilization, dosing, effectiveness, and discontinuation since its US introduction in April 2017.
STUDY DESIGN: New-user design within prospective cohort.
SETTING & PARTICIPANTS: 2,596 new users of etelcalcetide from April 2017 through August 2019 in a national sample of adult maintenance HD patients in the US Dialysis Outcomes and Practice Patterns Study (DOPPS).
PREDICTORS: Baseline PTH, prior cinacalcet use, initial etelcalcetide dose.
OUTCOME: Trajectories of etelcalcetide dose, chronic kidney disease-mineral and bone disease (CKD-MBD) medications, and levels of PTH, serum calcium, and phosphorus in the 12 months after etelcalcetide initiation.
ANALYTICAL APPROACH: Cumulative incidence methods for etelcalcetide discontinuation and linear generalized estimating equations for trajectory analyses.
RESULTS: By August 2019, etelcalcetide prescriptions increased to 6% of HD patients from their first use in April 2017. Starting etelcalcetide dose was 15 mg/wk in 70% of patients and 7.5 mg/wk in 27% of patients; 49% of new users were prescribed cinacalcet in the prior 3 months. Etelcalcetide discontinuation was 9%, 17%, and 27% by 3, 6, and 12 months after initiation. One year after etelcalcetide initiation, mean PTH levels declined by 40%, from 948 to 566 pg/mL, and the proportion of patients with PTH within target (150-599 pg/mL) increased from 33% to 64% overall, from 0 to 60% among patients with baseline PTH ≥ 600 pg/mL, and from 30% to 63% among patients with prior cinacalcet use. The proportion of patients with serum phosphorus > 5.5 mg/dL decreased from 55% to 45%, while the prevalence of albumin-corrected serum calcium < 7.5 mg/dL remained at 1%-2%. There were increases in use of active vitamin D (from 77% to 87%) and calcium-based phosphate binders (from 41% to 50%) in the 12 months after etelcalcetide initiation.
LIMITATIONS: Data are unavailable for provider dosing protocols, dose holds, or reasons for discontinuation.
CONCLUSIONS: In the 12 months after etelcalcetide initiation, patients had large and sustained reductions in PTH levels. These results support the utility of etelcalcetide as an effective therapy to achieve the KDIGO-recommended guidelines for CKD-MBD markers in HD patients.
STUDY DESIGN: New-user design within prospective cohort.
SETTING & PARTICIPANTS: 2,596 new users of etelcalcetide from April 2017 through August 2019 in a national sample of adult maintenance HD patients in the US Dialysis Outcomes and Practice Patterns Study (DOPPS).
PREDICTORS: Baseline PTH, prior cinacalcet use, initial etelcalcetide dose.
OUTCOME: Trajectories of etelcalcetide dose, chronic kidney disease-mineral and bone disease (CKD-MBD) medications, and levels of PTH, serum calcium, and phosphorus in the 12 months after etelcalcetide initiation.
ANALYTICAL APPROACH: Cumulative incidence methods for etelcalcetide discontinuation and linear generalized estimating equations for trajectory analyses.
RESULTS: By August 2019, etelcalcetide prescriptions increased to 6% of HD patients from their first use in April 2017. Starting etelcalcetide dose was 15 mg/wk in 70% of patients and 7.5 mg/wk in 27% of patients; 49% of new users were prescribed cinacalcet in the prior 3 months. Etelcalcetide discontinuation was 9%, 17%, and 27% by 3, 6, and 12 months after initiation. One year after etelcalcetide initiation, mean PTH levels declined by 40%, from 948 to 566 pg/mL, and the proportion of patients with PTH within target (150-599 pg/mL) increased from 33% to 64% overall, from 0 to 60% among patients with baseline PTH ≥ 600 pg/mL, and from 30% to 63% among patients with prior cinacalcet use. The proportion of patients with serum phosphorus > 5.5 mg/dL decreased from 55% to 45%, while the prevalence of albumin-corrected serum calcium < 7.5 mg/dL remained at 1%-2%. There were increases in use of active vitamin D (from 77% to 87%) and calcium-based phosphate binders (from 41% to 50%) in the 12 months after etelcalcetide initiation.
LIMITATIONS: Data are unavailable for provider dosing protocols, dose holds, or reasons for discontinuation.
CONCLUSIONS: In the 12 months after etelcalcetide initiation, patients had large and sustained reductions in PTH levels. These results support the utility of etelcalcetide as an effective therapy to achieve the KDIGO-recommended guidelines for CKD-MBD markers in HD patients.