Myeloma patients who become refractory to immunomodulatory agents (IMiDs) and bortezomib have poor survival, with limited therapeutic options. Pomalidomide has shown improved survival and good tolerability in this patient cohort in clinical trials, but real world data are scarce. We retrospectively analysed all patients treated with pomalidomide at five UK centres between 2013 and 2016. Of 85 patients identified, 70 had sufficient information for response assessments. Median age was 66 years [40-89], 96·5% were refractory to IMiDs, 72·9% were refractory to both an IMiD and bortezomib and 92·9% were refractory to their last treatment. Of 45 patients with fluorescence in situ hybridization results 64% had adverse risk, 19 patients (22·4%) had an estimated glomerular filtration rate <45 ml/min. Grade ≥3 non-haematological toxicities occurred in 42·4%, and grade ≥3 neutropenia and thrombocytopenia in 38% and 24% respectively, but only 18·8% had dose reductions. The overall response rate was 52·9%. At a median follow-up of 13·2 months, median progression-free survival was 5·2 months [95% confidence interval (CI) 4·150-6·238], and median overall survival was 13·7 months (95% CI 11·775-15·707). No significant difference was seen in response, survival or tolerability by renal function, age or cytogenetic risk. This real-world data support the results seen in published clinical trials.
Since 2005, University College London Hospital (UCLH) has operated a hotel-based Ambulatory Care Unit (ACU) for hematology and oncology patients requiring intensive chemotherapy regimens and hematopoietic stem cell transplants. Between January 2005 and 2011 there were 1443 patient episodes, totaling 9126 patient days, with increasing use over the 6-year period. These were predominantly for hematological malignancy (82%) and sarcoma (17%). Median length of stay was 5 days (range 1-42), varying according to treatment. Clinical review and treatment was provided in the ACU, with patients staying in a local hotel at the hospital's expense. Admission to the inpatient ward was arranged as required, and there was close liaison with the inpatient team to preempt emergency admissions. Of the 523 unscheduled admissions, 87% occurred during working hours. An ACU/hotel-based treatment model can be safely used for a wide variety of cancers and treatments, expanding hospital treatment capacity, and freeing up inpatient beds for those patients requiring them.
Summary
Bortezomib is standard treatment in AL amyloidosis (AL), but is contraindicated in patients with significant neuropathy. Carfilzomib, a second‐generation proteosomal inhibitor, results in a lower incidence of neuropathy than bortezomib, but data in AL is scant. We report a cohort of five AL patients treated with upfront carfilzomib. All had cardiac, peripheral and autonomic neuropathy at presentation. All achieved at least a very good partial haematological response. There was no worsening in cardiac function, peripheral or autonomic neuropathy. Carfilzomib is an effective upfront treatment option in AL patients with peripheral and/or autonomic neuropathy (without severe cardiac or renal involvement).
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