scholarly journals Efficacy of Ruxolitinib in Patients With Chronic Neutrophilic Leukemia and Atypical Chronic Myeloid Leukemia

2020 ◽  
Vol 38 (10) ◽  
pp. 1006-1018 ◽  
Author(s):  
Kim-Hien T. Dao ◽  
Jason Gotlib ◽  
Michael M.N. Deininger ◽  
Stephen T. Oh ◽  
Jorge E. Cortes ◽  
...  
Keyword(s):  
Chronic Myeloid Leukemia ◽  
Adverse Events ◽  
Myeloid Leukemia ◽  
Response Rate ◽  
Symptom Assessment ◽  
Complete Response ◽  
Serious Adverse Events ◽  
Chronic Neutrophilic Leukemia ◽  
Atypical Chronic Myeloid Leukemia ◽  
Grade 3

PURPOSE Colony-stimulating factor-3 receptor ( CSF3R)-T618I is a recurrent activating mutation in chronic neutrophilic leukemia (CNL) and to a lesser extent in atypical chronic myeloid leukemia (aCML) resulting in constitutive JAK-STAT signaling. We sought to evaluate safety and efficacy of the JAK1/2 inhibitor ruxolitinib in patients with CNL and aCML, irrespective of CSF3R mutation status. METHODS We conducted a phase II study of ruxolitinib in 44 patients (21 CNL and 23 aCML). The primary end point was overall hematologic response rate (ORR) by the end of 6 continuous 28-day cycles for the first 25 patients enrolled. We considered a response as either partial (PR) or complete response (CR). We expanded accrual to 44 patients to increase our ability to evaluate secondary end points, including grade ≥ 3 adverse events, spleen volume, symptom assessment, genetic correlates of response, and 2-year survival. RESULTS ORR was 32% for the first 25 enrolled patients (8 PR [7 CNL and 1 aCML]). In the larger cohort of 44 patients, 35% had a response (11 PR [9 CNL and 2 aCML] and 4 CR [CNL]), and 50% had oncogenic CSF3R mutations. The mean absolute allele burden reduction of CSF3R-T618I after 6 cycles was greatest in the CR group, compared with the PR and no response groups. The most common cause of death is due to disease progression. Grade ≥ 3 anemia and thrombocytopenia were observed in 34% and 14% of patients, respectively. No serious adverse events attributed to ruxolitinib were observed. CONCLUSION Ruxolitinib was well tolerated and demonstrated an estimated response rate of 32%. Patients with a diagnosis of CNL and/or harboring CSF3R-T618I were most likely to respond.

Continuing Imatinib Treatment for Chronic Myeloid Leukemia Patients Who Had Serious Adverse Events at the Onset of Therapy

2017 ◽  
Vol 137 (3) ◽  
pp. 158-162
Author(s):  
Yufeng Li ◽  
Chun-ling Wang ◽  
Banhe Din ◽  
Liang Yu ◽  
Jiabin Zhu
Keyword(s):  
Chronic Myeloid Leukemia ◽  
Adverse Events ◽  
Myeloid Leukemia ◽  
Imatinib Treatment ◽  
Serious Adverse Events

A Prospective, Randomized, Phase III Study of Melphalan 200 mg/m2 (MEL200) Versus Melphalan 100 mg/m2 (MEL100) in Newly Diagnosed Myeloma Patients.

Blood ◽  
2006 ◽  
Vol 108 (11) ◽  
pp. 55-55 ◽  
Author(s):  
Antonio Palumbo ◽  
Sara Bringhen ◽  
Maria Teresa Petrucci ◽  
Antonietta Falcone ◽  
Anna Marina Liberati ◽  
...  
Keyword(s):  
Stem Cell ◽  
Adverse Events ◽  
Response Rate ◽  
Complete Response Rate ◽  
Complete Response ◽  
Phase Iii ◽  
Psychiatric Disease ◽  
High Dose ◽  
Free Survival ◽  
Grade 3

Abstract Several trials have shown the superior impact of high-dose melphalan (usually 200 mg/m2, MEL200) versus standard therapy in myeloma patients. Intermediate-dose melphalan (100 mg/m2, MEL100) was also superior to the standard dose, but MEL100 has not been clinically compared with MEL200 in a randomized study. In a case-matched study, response rate and event-free survival of MEL200 were superior to MEL100, but overall survival (OS) was similar. In this prospective, randomized, phase III trial, we compared the efficacy and toxicity of MEL200 and MEL100. Between January 2002 and July 2006, 299 patients were enrolled. Inclusion criteria were previously untreated myeloma, aged < 65 and Durie and Salmon stage II or III. Exclusion criteria were abnormal cardiac function, respiratory disease, abnormal liver function, abnormal renal function, HBV, HCV, or HIV positivity, concomitant cancer or psychiatric disease. The institutional review board approved the protocol and written informed consent was obtained from all patients. All patients received: 2 dexamethasone-doxorubicin-vincristine debulking courses (doxorubicin 50 mg/m2 day 1, vincristine 1 mg day 1, dexamethasone 40 mg days 1, 2, 3, 4, each course repeated every 28 days), 2 cycles of cyclophosphamide (4 g/m2, day 1) plus G-CSF followed by stem cell harvest. The MEL200 group was conditioned with 2 cycles of melphalan 200 mg/m2 followed by stem cell reinfusion; the MEL100 group was conditioned with 2 courses of melphalan 100 mg/m2 followed by stem cell reinfusion. At the present, 246 patients, median age 57 (range 32–65), completed the assigned therapy and were evaluated for response, progression-free survival (PFS) and OS. One-hundred and twenty-four patients were randomized to MEL200 and 122 to MEL100. Patient characteristics were similar in both groups. Abnormal cytogenetics (13q deletion, t(4;14), t(11;14), p53) were 75% in MEL200 patients and 56% in MEL100 patients (p=0.05). Forty-six patients did not complete tandem MEL200; 36 patients did not complete tandem MEL100. The near complete response rate of MEL200 was superior to MEL100 (32% versus 18%, p=0.011), but partial response was 80% versus 71%, respectively (p=0.079). The median follow-up for censored patients was 26.5 months. The 3 years PFS was 51% in the MEL200 arm and 33% in the MEL100 arm (HR=0.81, 95% CI 0.55–1.21, p=0.31). The 3 years OS was 86% in the MEL200 group and 71% in the MEL100 group (HR=0.82, 95 CI 0.45–1.48, p=0.51). Duration of grade 4 neutropenia and thrombocytopenia was comparable in two arms, but MEL200 patients required more platelet transfusions (p=0.03). Grade 3–4 non-hematological adverse events were reported in 49% of the MEL200 patients and in 38% of the MEL100 patients (P=0.07). The most frequent grade 3–4 adverse events were infections (54% of MEL200 patients versus 45% of MEL100 patients, p=0.25), mucositis (31% of MEL200 patients versus 7% of MEL100 patients, p=0.002) and gastrointestinal toxicities (20% of MEL200 patients versus 14% of MEL100 patients, p=0.3). In conclusion, MEL200 resulted in a significantly higher near complete response rate but this did not translate in a superior PFS and OS.

Medical Costs of Adverse Events in Chronic Myeloid Leukemia Patients Treated with Tyrosine Kinase Inhibitors: Canadian Perspective.

Blood ◽  
2007 ◽  
Vol 110 (11) ◽  
pp. 5178-5178
Author(s):  
Nick Newton ◽  
Khalid El Ouagari ◽  
Mireille M. Goetghebeur
Keyword(s):  
Chronic Myeloid Leukemia ◽  
Febrile Neutropenia ◽  
Adverse Events ◽  
Tyrosine Kinase ◽  
Tyrosine Kinase Inhibitors ◽  
Myeloid Leukemia ◽  
Kinase Inhibitors ◽  
Medical Costs ◽  
Icd 10 ◽  
Grade 3

Abstract Background: Imatinib (Gleevec) is recommended first-line therapy for treatment of chronic myeloid leukemia (CML). A relatively small group of patients treated with imatinib develop resistance or are intolerant to the treatment. Dose escalation of imatinib may be used in some cases. Recently, two treatment options, nilotinib (Tasigna) and dasatinib (Sprycel), have become possible alternatives for patients resistant or intolerant to imatinib. Current data indicates that nilotinib and dasatinib have a different side effect profile. Objectives: This study investigated the costs of adverse events (AEs) in patients receiving nilotinib or dasatinib for chronic and accelerated CML. Methods: Incidence rates of grade 3/4 AEs treated with nilotinib or dasatinib were obtained from nilotinib Phase II Summary of Clinical Safety: 120-Day Safety Update Report and dasatinib product information, respectively. Costs for non-hematological AEs were obtained from the Ontario Case Costing Initiative (OCCI) acute inpatient databases, using ICD-10 codes cross-referenced with AEs described in product monographs. For ICD 10 codes identified for this study, there were not enough cases in CML patients (a minimum of five cases is required to access data) and therefore OCCI costs used in this study were those of AEs in oncology patients. These costs were considered a good approximation of costs of AEs in CML patients by the clinical expert. Costs for grade 3 anemia and thrombocytopenia, and non-febrile neutropenia, were assumed to be outpatient costs and were based on literature, expert validation of treatment pathways and resource utilization in the Canadian context. Costs for grade 4 anemia and thrombocytopenia, and febrile neutropenia, were obtained from the OCCI. Multivariate sensitivity analyses were conducted on costs of AEs. The analysis was developed from a payer perspective considering direct medical costs only. Costs are reported in 2006 Canadian dollars. Results: Cost of treatment-related AEs for CML patients was higher for dasatinib than nilotinib. For both treatments, total costs for AEs associated with the accelerated phase were higher than those associated with the chronic phase: $19,902 versus $7,653 for dasatinib; $8,645 versus $3,790 for nilotinib; respectively. Cost attributable to hematological AEs represented between 45% and 71% of total cost of AEs. Ranking observed among treatments for base case costs of AEs was maintained for both high and low cost estimates, indicating that the model was robust to variation in cost of AEs. Conclusions: For patients resistant or intolerant to imatinib, costs of dasatinib-related AEs were approximately twice the costs of nilotinib-related AEs in both chronic and accelerated phases, highlighting the importance of considering the cost of AEs in economic evaluation of new tyrosine kinase inhibitors. Further research is needed to comprehensively evaluate the impact of AEs on healthcare expenditures.

Nilotinib in Chronic Myeloid Leukemia Patients in Accelerated Phase (CML-AP) with Imatinib Resistance or Intolerance: 2-Year Follow-up Results of a Phase 2 Study

Blood ◽  
2008 ◽  
Vol 112 (11) ◽  
pp. 3229-3229 ◽  
Author(s):  
Philipp D. le Coutre ◽  
Francis Giles ◽  
Andreas Hochhaus ◽  
Jane F. Apperley ◽  
Gert Ossenkoppele ◽  
...  
Keyword(s):  
Overall Survival ◽  
Chronic Myeloid Leukemia ◽  
Adverse Events ◽  
Myeloid Leukemia ◽  
Cytogenetic Response ◽  
Phase 2 ◽  
Time To Progression ◽  
Phase 2 Study ◽  
Grade 3

Abstract Background: Nilotinib is a rationally designed, potent and highly selective BCR-ABL kinase inhibitor, and binds to ABL with higher affinity and improved topological fit compared to imatinib. Nilotinib is approved for the treatment of patients (pts) with Philadelphia chromosome-positive chronic myeloid leukemia pts in chronic (CML-CP) or accelerated phase (CML-AP) resistant or intolerant to prior therapy including imatinib. Methods: This open-label, single-arm, phase 2 study was designed to evaluate the efficacy and safety of nilotinib in CML-AP pts who are resistant or intolerant to imatinib. Nilotinib was dosed at 400 mg twice daily with the option to dose escalate to 600 mg twice daily for lack of response. The primary endpoint was confirmed hematologic response (HR). Complete hematologic response (CHR) was defined as meeting all of the following criteria: myeloblast count &lt;5% in bone marrow, no myeloblast in peripheral blood, neutrophil count ≥1.5 × 109/L, platelet count ≥100×109/L, basophils &lt;5%, no evidence of extramedullary involvement. Secondary endpoints included major cytogenetic response (MCyR), time to progression, overall survival, and safety. Results: A total of 138 CML-AP pts (80% imatinib resistant; 20% imatinib intolerant) who received at least 1 dose of nilotinib were included in the analysis. Median age was 57 years (range, 22–82 years); median duration of prior imatinib treatment was 28 months. Seventy-nine percent of pts received prior imatinib doses ≥600 mg/day; overall, 45% received ≥800 mg/day imatinib. Median dose intensity of nilotinib was near planned dose at 775 mg/day with a median duration of exposure of 253 days (8.4 months). Of 134 pts with at least 6 months of follow-up included in the efficacy analysis, 56% had confirmed HR and 30% had CHR. Responses were rapid, with a median time to first HR of 1 month. Hematologic responses were durable at 1 year, with 78% of pts who achieved HR maintaining their response. MCyR and complete cytogenetic response (CCyR) occurred in 32% and 19% of pts, respectively. Cytogenetic responses were also durable, with 69% of pts maintaining MCyR at 18 months. Median time to progression was 16 months in this population of pts with advanced disease. Progression was defined as any of the following: investigator’s evaluation as progression, development of CML-AP or blast crisis, loss of CHR, loss of MCyR. Estimated overall survival at 1 year is 82%. Longer follow-up has not significantly changed the safety profile of nilotinib. The most frequently reported grade 3/4 laboratory abnormalities were thrombocytopenia (40%), neutropenia (40%), anemia (25%), elevated serum lipase (17%), and hypophosphatemia (12%). Grade 3/4 non-hematologic adverse events were uncommon (&lt;1%) and included rash, nausea, fatigue, and diarrhea. Brief dose interruptions were sufficient to manage most adverse events. Conclusions: The long-term follow-up results of this phase 2 study confirm that nilotinib induces rapid and durable responses in pts with CML-AP who failed prior imatinib therapy due to intolerance or resistance, with a favorable toxicity profile.

Bortezomib (Velcade ™) Observational Study in China: Efficacy and Safety of Bortezomib-Based Regimen in 395 Relapsed or Refractory Multiple Myeloma Patients

Blood ◽  
2008 ◽  
Vol 112 (11) ◽  
pp. 5179-5179
Author(s):  
Zhi-Xiang Shen ◽  
Hua Yan ◽  
Linna Wang
Keyword(s):  
Multiple Myeloma ◽  
Adverse Events ◽  
Observational Study ◽  
Response Rate ◽  
Complete Response ◽  
Chinese Patients ◽  
Efficacy And Safety ◽  
Female Ratio ◽  
Bortezomib Treatment ◽  
Grade 3

Abstract Introduction: Multiple myeloma (MM) is a plasma-cell malignancy and overall survival for patients who have relapsed after initial therapy is approximately 2 years. Bortezomib (VELCADE TM) is a first-in-class proteasome inhibitor that has demonstrated significant anti-tumor activity in MM patients. Here we report the results of an observational study of the efficacy and safety of bortezomib-based regimens in Chinese relapsed/refractory MM patients. Methods: This was a multi-center, open-label, phase IV observational study designed to enroll 550 patients with relapsed or refractory MM. From Mar 2006 to May 2008, 500 patients with relapsed or refractory MM were enrolled from 43 medical centers in China and 395 of them were evaluated. Bortezomib (0.7 to 1.6 mg/m2 i.v.) was given on days 1, 4, 8, and 11 in in a 21-day cycle, up to a maximum of 8 cycles, combined with other agents, mainly with the addition of dexamethasone (60.1%). Major endpoint included response rate, safety and time to response. Responses of 62% patients were determined by European Group for Blood and Marrow Transplantation criteria (EBMT). Bortezomib withheld if patients developed neutropenia fever, grade 4 haematologic adverse events (AEs), or grade 3 non-haematologic AEs, and re-administered at 75% of the initial dosage after recovery. Results: In 395 evaluable cases, the median age was 59 years (range 35–82) and the male/female ratio was 1.5:1. 90% of patients were in late stage(stage II/III) and 50% of them were IgG subtype. Patients had received various prior therapies before bortezomib treatment, including VAD (31.3%), VBMCP (M2, 15.1%) and thalidomide-based regimens(14.9%), with best response rate of 10.4% complete response (CR) and 42.3% partial response (PR) from prior therapies. 311 (82%) cases of patients received 1.0–1.4mg/m2 bortezomib-based regimens treatment and 38.5% of them received at least 4 cycles of treatment. 364 patients were evaluable for response, the overall response rate was 287/364 (78.8%), 89 patients (24.5%) achieved a CR, 30(8.24%) had a nearly complete response (nCR), 168 (46.2%) had a PR, 39 (10.7%) had minimal response (MR), 24 (6.6%) had stable disease (SD), and the other 14 (3.9%) had progressive disease (PD). Median time to response was 1 cycle of treatment (range 1–6). Patients who received 4 or more cycles of bortezomib treatment achieved a higher response rate (CR+PR: 81.5%) compared to those who received fewer cycles (partly due to adverse events). And prognosis-related analysis showed that the dosage of bortezomib at 1.0 mg/m2 or more had a significant influence on the time to response and response rate, but no obvious effect on response duration, time to progress or the survival time. Drug related adverse events (AEs) were reported in 50.4% of patients during treatment, including hematologic AEs (mainly thrombocytopenia, 22.5%), gastrointestinal AEs (24.8%), and peripheral neuropathy (22.5%). The rates of grade 3–4 AEs of them were 46.1%, 11.2% and 15.7%, respectively. Serious AEs occurred in 33 (8.4%) cases and 23 (70%) patients recovered finally. Most AEs were predictable and manageable. Conclusion: Bortezomib-based regimen is effective treatment with higher response rate and is well tolerated in most Chinese patients with relapsed and refractory MM patients. Long-term follow-up is continuing.

Effect of lenalidomide (LEN) on biochemical responses and clinical benefit (CB) as a single agent in chemotherapy-naive castration-resistant prostate cancer (CRPC).

2012 ◽  
Vol 30 (5_suppl) ◽  
pp. 128-128 ◽  
Author(s):  
Chadi Nabhan ◽  
Anand Patel ◽  
Dana Villines ◽  
Kathy Tolzien ◽  
Susan K. Kelby ◽  
...  
Keyword(s):  
Adverse Events ◽  
Clinical Benefit ◽  
Single Agent ◽  
Complete Response ◽  
Median Number ◽  
Castration Resistant Prostate Cancer ◽  
Serious Adverse Events ◽  
Biochemical Responses ◽  
Grade 3 ◽  
Dose Reductions

128 Background: LEN has anti-angiogenesis and immunomodulatory properties making it ideal to investigate in CRPC. We report on a phase II study investigating LEN in chemotherapy-naïve CRPC patients (pts) Methods: Eligible pts received LEN at 25 mg daily on days 1 – 21 every 28-days until progression. Daily aspirin or coumadin were required. Responses were assessed every 2 cycles. Toxicity was assessed every cycle. Primary end point: The CB of LEN [Sum of complete response (CR), partial response (PR) and stable disease (SD)]. Secondary end points: Toxicity, time to radiographic and PSA progression (TTP and TTP-PSA), time to next treatment (TTNT), overall survival (OS), and LEN’s impact on quality of life (QOL). Results: 31 pts were enrolled; 27 response-evaluable (1 withdrew consent, 3 off per choice after adverse events). Median age is 74 (range 58-89) with 24 (77%) having Gleason ≥ 7 disease. Median PSA is 66 (2.1-918.6). Six pts (19%) had liver/lung involvement. Fourteen pts (51%) showed biochemical response with 4 (15%) having >50% PSA drop. TTP-PSA is 4 months (2-11). No radiographic responses seen but 17 pts had SD for a median of 4 months (2-16) (CB=55%). Median number of LEN cycles was 3 (2-15). With a median follow-up of 18 months (5-38), 17 patients (55%) remain alive; median OS of 18 months. Grade 3/4 hematologic toxicities were most common (neutropenia 41%, leukopenia 12%, anemia 9%, thrombocytopenia 9%). Other grade 3/4 toxicities: venothromboembolism, atrial fibrillation, and dehydration (6% each). Serious adverse events (SAEs) were witnessed in 10 pts (32%) with only 1 (3%, rash) definitely related to LEN. Others were not related or possibly related. Of 27 pts, 7 (26%) had a dose reduction and 2 (7%) required two dose reductions. Dose reductions occurred after cycle 3. QOL scales suggested no adverse impact. Median TTNT is 2 months (9 pts received chemotherapy, 10 pts went onto studies, 3 pts received hormonal therapies, 4 pts received radiation, 3 pts had no therapy yet, and 2 pts remain on LEN). Conclusions: LEN is active as monotherapy in CRPC. Biochemical responses are witnessed and clinical benefit is observed. Myelosuppression is the most common toxicity.

Establishment of baseline toxicity expectations with standard frontline chemotherapy in acute myelogenous leukemia

Blood ◽  
2007 ◽  
Vol 110 (10) ◽  
pp. 3547-3551 ◽  
Author(s):  
Ehab Atallah ◽  
Jorge Cortes ◽  
Susan O'Brien ◽  
Sherry Pierce ◽  
Mary Beth Rios ◽  
...  
Keyword(s):  
Adverse Events ◽  
Myeloid Leukemia ◽  
Febrile Episode ◽  
Promyelocytic Leukemia ◽  
Myelogenous Leukemia ◽  
Control Group ◽  
Intensive Chemotherapy ◽  
Serious Adverse Events ◽  
Acute Myelogenous ◽  
Grade 3

Abstract The rates of expected serious adverse events in patients with acute leukemia on chemotherapy far exceed those in patients with solid tumors. Regulatory authorities require similar reporting criteria, which overburden the investigators and infrastructure with unnecessary documentation. To establish a baseline for expected toxicities before and during leukemia therapy, we reviewed 1534 adults with acute myeloid leukemia (AML; excluding acute promyelocytic leukemia) from 1990 to 2006 who received frontline intensive chemotherapy; 723 (47%) were 60 years or older. Prior to therapy, grade 3/4 cytopenias were observed in 86% of patients. All patients developed one or more grade 3/4 cytopenias during therapy, and more than 90% had a febrile episode. Admission to the intensive care unit, mechanical ventilation, and dialysis were required in 28%, 16%, and 7%, respectively. Mortality during induction, 2-week mortality, and 6-week mortality were 20%, 5%, and 16%, respectively. Grade 3/4 renal or hepatic toxicities were observed in 3% and 22% of patients, respectively. Other grade 3 or 4 toxicities were also common before treatment and during therapy. This paper establishes a baseline toxicity rate for patients with AML during induction therapy, and this could be used as a control group for future reference. Guidelines for reporting adverse events in leukemia studies should be revisited.

scholarly journals Safety and Efficacy Analysis of Selinexor-Based Treatment in Multiple Myeloma, a Meta-Analysis Based on Prospective Clinical Trials

2021 ◽  
Vol 12 ◽  
Author(s):  
Yali Tao ◽  
Hui Zhou ◽  
Ting Niu
Keyword(s):  
Multiple Myeloma ◽  
Partial Response ◽  
Adverse Events ◽  
Response Rate ◽  
Complete Response Rate ◽  
Meta Analysis ◽  
Complete Response ◽  
Cochrane Central Register ◽  
Safety And Efficacy ◽  
Grade 3

Background: Selinexor (SEL) is an orally bioavailable, highly-selective, and slowly-reversible small molecule that inhibits Exportin 1. Preclinical studies showed that SEL had synergistic antimyeloma activity with glucocorticoids, proteasome inhibitors (PIs) and immunomodulators. The combination of selinexor and dexamethasone (DEX) has been approved in the United States for patients with penta-refractory multiple myeloma in July 2019. This meta-analysis aimed to investigate the safety and efficacy of selinexor based treatment in Multiple myeloma.Methods: We systematically searched the Medline (PubMed), Embase, Web of Science, Cochrane Central Register of Controlled Trials Library databases and ClinicalTrials.gov. Outcome measures of efficacy included overall response rate (ORR), clinical benefit rate (CBR), stringent complete response rate (sCR), complete response rate (CR), very good partial response (VGPR), partial response rate (PR), minimal response (MR), rate of stable disease (SDR), rate of progressive disease (PDR) and median progression-free survival (mPFS). Safety was evaluated by the incidences of all grade adverse events and Grade≥3 adverse events. The subgroup analysis was conducted to analyze the difference in different combination treatment regimens (SEL + DEX + PIs vs SEL + DEX).Results: We included six studies with 477 patients. The pooled ORR, CBR, sCR, CR, VGPR, PR, MR, SDR, and PDR were 43% (18–67%), 55% (32–78%), 5% (−2–13%), 7% (4–11%), 14% (5–24%), 23% (15–31%), 11% (8–14%), 26% (14–38%) and 14% (4–23%), respectively. SEL + DEX + PIs treatment had higher ORR (54 vs 24%, p = 0.01), CBR (66 vs 37%, p = 0.01), sCR (10 vs 2%, p = 0.0008), and VGPR (23 vs 5%, p &lt; 0.00001) compared to SEL + DEX treatment, and lower PDR (4 vs 23%, p &lt; 0.00001) and SDR (17 vs 37%, p = 0.0006). The pooled incidences of any grade and grade≥3 were 45 and 30% in hematological AEs, and in non-hematological AEs were 40 and 30%, respectively. The most common all grade (68%) and grade≥3 (54%) hematological AE were both thrombocytopenia. Fatigue was the most common all grade (62%) and grade≥3 (16%) non-hematological AE. Compared to SEL + DEX treatment, SEL + DEX + PIs treatment had lower incidences of hyponatremia (39 vs 12%, p &lt; 0.00001), nausea (72 vs 52%, p &lt; 0.00001), vomiting (41 vs 23%, p &lt; 0.0001), and weight loss (42 vs 17%, p = 0.03) in all grade AEs. Meanwhile, SEL + DEX + PIs treatment had lower incidences of anemia (36 vs 16%, p = 0.02), fatigue (20 vs 13%, p = 0.04), hyponatremia (22 vs 5%, p &lt; 0.0001) than SEL + DEX treatment in grade≥3 AEs.Conclusion: Our meta-analysis revealed that selinexor-based regimens could offer reasonable efficacy and tolerable adverse events in patients with multiple myeloma. SEL + DEX + PIs treatments had higher efficacy and lower toxicities than SEL + DEX.

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