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Lack of head-to-head trials highlights a need for comparative real-world evidence of proteasome inhibitors plus Rd. Methods: In this retrospective, US population-representative EHR study of RRMM patients initiating IRd, KRd, or VRd in line of therapy (LOT) ≥2 between 1/2014 and 9/30/2018, 664 patients were treated in LOT ≥2 with: IRd, n = 168; KRd, n = 208; VRd, n = 357. Median age was 71/65/71 years; 67%/70%/75% had a frailtymodified score of intermediate/frail; 20%/28%/13% had high cytogenetic risk in I-/K-/V-Rd groups. Risk of PI-triplet discontinuation was lower for I- vs. K-Rd (HR: 0.71) and I- vs. V-Rd (HR: 0.85); unadjusted, median TTNTs (months): 12.7/8.6/14.2 (LOT ≥2) and 16.8/9.5/14.6 (LOT 2–3) (I-/K-/V-Rd). Adjusted TTNT was comparable between I-/K-/V-Rd in LOT ≥2 with a TTNT benefit among intermediate/ frail patients for I- (HR: 0.70; P=0.04) and V- (HR: 0.73; P<0.05) vs. K-Rd. I/K/V-Rd triplets were comparable in TTNT overall, but IRd and VRd were associated with longer TTNT in intermediate/frail patients than KRd. The results suggest a trial-efficacy/real-world-effectiveness gap, especially for KRd, underlining the limited generalizability of trial results where >50% of patients are excluded. Individualized treatment based on patient characteristics, such as frailty status, is especially pertinent in an elderly RRMM population.

Background Dysregulation of phosphatidylinositol 3-kinase (PI3K)/mammalian target of rapamycin (mTOR) pathway signaling has been implicated in the pathogenesis of lymphoma. SAR245409 is a potent inhibitor of class I PI3K isoforms (alpha, beta, gamma and delta) and also inhibits mTORC1 and TORC2. In the phase 1 dose-expansion cohort of study TED11440 (NCT00485719), SAR245409 showed promise in several lymphoma subtypes: 1 complete response (CR) in a transformed lymphoma and 2 partial response (PR) [1 diffuse large B cell lymphoma (DLBCL) and 1 mantle cell lymphoma (MCL) and 3 patients with stable disease (SD) longer than 3 months [1 follicular lymphoma (FL), 1 MCL and 1 Hodgkin Lymphoma (Papadopoulos et al. ASH 2011). The Sanofi sponsored study ARD12130 (NCT01403636) is an ongoing multicenter, multinational, open-label, phase 2 study of SAR245409 in patients with lymphoproliferative malignancies enrolling on 4-arms: FL, chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL), MCL and DLBCL. Preliminary Stage 1 results from FL patients (pts) are reported. Methods Eligible pts for the FL arm had relapsed or refractory FL (Grade 1, 2, or 3a) with no clinical suspicion of transformation to an aggressive subtype and who had received >=2 but <= 6 prior chemotherapy regimens. Pts were treated with SAR245409 at 50 mg twice daily orally until disease progression or withdrawal for other reasons including toxicity. Tumor response was based on modified International Working Group response criteria. A Simon 2-stage design was used to evaluate the primary efficacy endpoint of objective response rate (ORR) in the FL arm; if at least 6 of the first 24 evaluable patients in Stage 1 achieved an objective response (OR), the study would continue to Stage 2 with a total of 45 evaluable patients. If 14 or greater total patients among the 45 total evaluable achieved OR, the null hypothesis would be rejected. Results Twenty-eight FL patients were enrolled to stage 1. Median age was

Background Dysregulation of phosphatidylinositol 3-kinase (PI3K)/mammalian target of rapamycin (mTOR) pathway signaling has been implicated in the pathogenesis of lymphoma. SAR245409 is a potent inhibitor of class I PI3K isoforms (alpha, beta, gamma and delta) and also inhibits mTORC1 and TORC2. In the phase 1 dose-expansion cohort of study TED11440 (NCT00485719), SAR245409 showed promise in several lymphoma subtypes: 1 complete response (CR) in a transformed lymphoma and 2 partial response (PR) [1 diffuse large B cell lymphoma (DLBCL) and 1 mantle cell lymphoma (MCL) and 3 patients with stable disease (SD) longer than 3 months [1 follicular lymphoma (FL), 1 MCL and 1 Hodgkin Lymphoma (Papadopoulos et al. ASH 2011). The Sanofi sponsored study ARD12130 (NCT01403636) is an ongoing multicenter, multinational, open-label, phase 2 study of SAR245409 in patients with lymphoproliferative malignancies enrolling on 4-arms: FL, chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL), MCL and DLBCL. Preliminary Stage 1 results from FL patients (pts) are reported. Methods Eligible pts for the FL arm had relapsed or refractory FL (Grade 1, 2, or 3a) with no clinical suspicion of transformation to an aggressive subtype and who had received >=2 but <= 6 prior chemotherapy regimens. Pts were treated with SAR245409 at 50 mg twice daily orally until disease progression or withdrawal for other reasons including toxicity. Tumor response was based on modified International Working Group response criteria. A Simon 2-stage design was used to evaluate the primary efficacy endpoint of objective response rate (ORR) in the FL arm; if at least 6 of the first 24 evaluable patients in Stage 1 achieved an objective response (OR), the study would continue to Stage 2 with a total of 45 evaluable patients. If 14 or greater total patients among the 45 total evaluable achieved OR, the null hypothesis would be rejected. Results Twenty-eight FL patients were enrolled to stage 1. Median age was