PMID- 32083996 OWN - NLM STAT- MEDLINE DCOM- 20210201 LR - 20210609 IS - 1527-7755 (Electronic) IS - 0732-183X (Print) IS - 0732-183X (Linking) VI - 38 IP - 13 DP - 2020 May 1 TI - Bendamustine With Dexamethasone in Relapsed/Refractory Systemic Light-Chain Amyloidosis: Results of a Phase II Study. PG - 1455-1462 LID - 10.1200/JCO.19.01721 [doi] AB - PURPOSE: No established treatments exist for relapsed/refractory systemic light-chain (AL) amyloidosis. Bendamustine has shown potential in the treatment of multiple myeloma. We conducted a phase II, multicenter trial to assess the efficacy and safety of bendamustine with dexamethasone (ben-dex) in patients with persistent or progressive AL amyloidosis after >/= 1 prior therapy. METHODS: The trial enrolled 31 patients who received bendamustine on days 1 and 2 (100 mg/m(2) intravenously) with 40 mg of weekly dexamethasone in 28-day cycles until disease progression or up to 6 cycles after complete hematologic response. The primary objective was the rate of partial hematologic response (PR) or better. RESULTS: Patients received a median of 4 cycles (range, 2-12 cycles) with 57% of patients achieving a PR or better (11% complete response, 18% very good PR). The overall organ response was 29% among the 24 patients who had measurable organ involvement. Treatment was well tolerated with no grade 5 treatment-related adverse events (AEs). Sixty-five percent of patients had a therapy-related grade 3-4 AE. The most common AEs included myelosuppression, fatigue, and nausea/vomiting. The median overall survival was 18.2 months (95% CI, 11.3 to 43.8 months), and hematologic response was associated with prolonged survival (P = .0291). The median progression-free survival was 11.3 months (95% CI, 5.0 to 15.4 months). CONCLUSION: Overall, ben-dex is a viable treatment option with substantial efficacy and limited toxicity for patients with pretreated AL amyloidosis who have limited therapeutic options. This trial was registered at (ClinicalTrials.gov identifier: NCT01222260). FAU - Lentzsch, Suzanne AU - Lentzsch S AD - Division of Hematology/Oncology, Columbia University Medical Center, New York, NY. FAU - Lagos, Galina G AU - Lagos GG AD - Division of Hematology/Oncology, Columbia University Medical Center, New York, NY. FAU - Comenzo, Raymond L AU - Comenzo RL AD - Division of Hematology/Oncology, Tufts Medical Center, Boston, MA. FAU - Zonder, Jeffrey A AU - Zonder JA AD - Barbara Ann Karmanos Cancer Institute, Wayne State University, Detroit, MI. FAU - Osman, Keren AU - Osman K AD - Tisch Cancer Institute, Mount Sinai School of Medicine, New York, NY. FAU - Pan, Samuel AU - Pan S AD - Division of Hematology/Oncology, Columbia University Medical Center, New York, NY. FAU - Bhutani, Divaya AU - Bhutani D AD - Division of Hematology/Oncology, Columbia University Medical Center, New York, NY. FAU - Pregja, Silva AU - Pregja S AD - Barbara Ann Karmanos Cancer Institute, Wayne State University, Detroit, MI. FAU - Sanchorawala, Vaishali AU - Sanchorawala V AD - Amyloidosis Center, Boston University School of Medicine and Boston Medical Center, Boston, MA. FAU - Landau, Heather AU - Landau H AD - Division of Hematologic Oncology, Memorial Sloan Kettering Cancer Center, New York, NY. LA - eng SI - ClinicalTrials.gov/NCT01222260 GR - P30 CA008748/CA/NCI NIH HHS/United States GR - P30 CA013696/CA/NCI NIH HHS/United States PT - Clinical Trial, Phase II PT - Journal Article PT - Multicenter Study PT - Research Support, N.I.H., Extramural PT - Research Support, Non-U.S. Gov't DEP - 20200221 PL - United States TA - J Clin Oncol JT - Journal of clinical oncology : official journal of the American Society of Clinical Oncology JID - 8309333 RN - 7S5I7G3JQL (Dexamethasone) RN - 981Y8SX18M (Bendamustine Hydrochloride) SB - IM MH - Adult MH - Aged MH - Antineoplastic Combined Chemotherapy Protocols/adverse effects/*therapeutic use MH - Bendamustine Hydrochloride/administration & dosage/adverse effects MH - Dexamethasone/administration & dosage/adverse effects MH - Drug Administration Schedule MH - Drug Resistance, Neoplasm/*drug effects MH - Fatigue/chemically induced MH - Female MH - Humans MH - Immunoglobulin Light-chain Amyloidosis/*drug therapy/pathology MH - Kaplan-Meier Estimate MH - Male MH - Middle Aged MH - Nausea/chemically induced MH - Neoplasm Recurrence, Local MH - Treatment Outcome MH - Vomiting/chemically induced PMC - PMC7193746 EDAT- 2020/02/23 06:00 MHDA- 2021/02/02 06:00 PMCR- 2021/05/01 CRDT- 2020/02/22 06:00 PHST- 2020/02/23 06:00 [pubmed] PHST- 2021/02/02 06:00 [medline] PHST- 2020/02/22 06:00 [entrez] PHST- 2021/05/01 00:00 [pmc-release] AID - 1901721 [pii] AID - 10.1200/JCO.19.01721 [doi] PST - ppublish SO - J Clin Oncol. 2020 May 1;38(13):1455-1462. doi: 10.1200/JCO.19.01721. Epub 2020 Feb 21.