PMID- 35946431 OWN - NLM STAT- MEDLINE DCOM- 20221215 LR - 20221215 IS - 1099-1069 (Electronic) IS - 0278-0232 (Linking) VI - 40 IP - 5 DP - 2022 Dec TI - A phase 1 study of ruxolitinib, steroids and lenalidomide for relapsed/refractory multiple myeloma patients. PG - 906-913 LID - 10.1002/hon.3066 [doi] AB - Ruxolitinib with lenalidomide and dexamethasone shows anti-myeloma effects in vitro and in vivo. MUC1 leads to lenalidomide resistance in multiple myeloma (MM) cells, and ruxolitinib blocks its expression. Thus, ruxolitinib may restore sensitivity to lenalidomide. A phase I trial was conducted to determine the safety and efficacy of ruxolitinib with lenalidomide and methylprednisolone for patients with relapsed/refractory (RR)MM who had been treated with lenalidomide, steroids and a proteasome inhibitor and showed progressive disease at study entry. A traditional 3 + 3 dose escalation design was used to enroll subjects in four cohorts. Subjects received ruxolitinib twice daily, lenalidomide daily on days 1-21 of a 28 day cycle and methylprednisolone orally every other day. Primary endpoints were safety, clinical benefit rate (CBR) and overall response rate (ORR). Forty-nine patients were enrolled. The median age was 64 years and they had received a median of six prior treatments including lenalidomide and steroids to which 94% were refractory. No dose limiting toxicities occurred. The CBR and ORR were 49% and 36%, respectively. All responding patients were refractory to lenalidomide. Grade 3 or 4 adverse events (AEs) included anemia (17%), decreased lymphocyte count (15%), and hypophosphatemia (10%). Most common serious AEs included sepsis (9.8%) and pneumonia (7.8%). This Phase I trial demonstrates that a JAK inhibitor, ruxolitinib, can overcome refractoriness to lenalidomide and steroids for patients with RRMM. These results represent a promising novel therapeutic approach for treating MM. NCT03110822. CI - (c) 2022 John Wiley & Sons Ltd. FAU - Berenson, James R AU - Berenson JR AUID- ORCID: 0000-0003-1587-6104 AD - Berenson Cancer Center, West Hollywood, Los Angeles, California, USA. AD - Oncotherapeutics, West Hollywood, Los Angeles, California, USA. AD - Institute for Myeloma and Bone Cancer Research, West Hollywood, Los Angeles, California, USA. FAU - Kim, Clara AU - Kim C AD - Oncotherapeutics, West Hollywood, Los Angeles, California, USA. FAU - Bujarski, Sean AU - Bujarski S AD - Berenson Cancer Center, West Hollywood, Los Angeles, California, USA. FAU - To, Jennifer AU - To J AD - Oncotherapeutics, West Hollywood, Los Angeles, California, USA. FAU - Spektor, Tanya M AU - Spektor TM AD - Oncotherapeutics, West Hollywood, Los Angeles, California, USA. FAU - Martinez, Daisy AU - Martinez D AD - Oncotherapeutics, West Hollywood, Los Angeles, California, USA. FAU - Turner, Carley AU - Turner C AD - Oncotherapeutics, West Hollywood, Los Angeles, California, USA. FAU - Ghermezi, Matthew AU - Ghermezi M AD - Oncotherapeutics, West Hollywood, Los Angeles, California, USA. FAU - Eades, Benjamin M AU - Eades BM AD - Berenson Cancer Center, West Hollywood, Los Angeles, California, USA. FAU - Swift, Regina A AU - Swift RA AD - Berenson Cancer Center, West Hollywood, Los Angeles, California, USA. FAU - Schwartz, Gary AU - Schwartz G AD - Berenson Cancer Center, West Hollywood, Los Angeles, California, USA. FAU - Eshaghian, Shahrooz AU - Eshaghian S AD - Compassionate Care Research Group, Fountain Valley, Los Angeles, California, USA. FAU - Moss, Robert A AU - Moss RA AD - F.A.C.P., Inc, Fountain Valley, Los Angeles, California, USA. FAU - Lim, Stephen AU - Lim S AD - Cedars-Sinai Medical Center, Los Angeles, California, USA. FAU - Vescio, Robert AU - Vescio R AD - Cedars-Sinai Medical Center, Los Angeles, California, USA. LA - eng SI - ClinicalTrials.gov/NCT03110822 GR - 1504/Incyte Corporation/ PT - Clinical Trial, Phase I PT - Journal Article DEP - 20220814 PL - England TA - Hematol Oncol JT - Hematological oncology JID - 8307268 RN - F0P408N6V4 (Lenalidomide) SB - IM MH - Humans MH - Middle Aged MH - Lenalidomide MH - *Multiple Myeloma/drug therapy OTO - NOTNLM OT - Janus kinase inhibitors OT - efficacy OT - immunomodulation OT - methylprednisolone OT - safety EDAT- 2022/08/11 06:00 MHDA- 2022/12/15 06:00 CRDT- 2022/08/10 05:33 PHST- 2022/07/22 00:00 [revised] PHST- 2022/05/06 00:00 [received] PHST- 2022/07/25 00:00 [accepted] PHST- 2022/08/11 06:00 [pubmed] PHST- 2022/12/15 06:00 [medline] PHST- 2022/08/10 05:33 [entrez] AID - 10.1002/hon.3066 [doi] PST - ppublish SO - Hematol Oncol. 2022 Dec;40(5):906-913. doi: 10.1002/hon.3066. Epub 2022 Aug 14.