Effectiveness of Second-Line Cabozantinib in Metastatic Clear Cell Renal Cell Carcinoma Patients After First-Line Treatment with Immune Checkpoint Inhibitor-based Combinations

Article

Author: Agarwal, Neeraj ; Nordblad, Blake ; Tripathi, Nishita ; Hage Chehade, Chadi ; Tandar, Clara ; Maughan, Benjamin L. ; Srivastava, Ayana ; Li, Haoran ; Fortuna, Gliceida Galarza ; Sayegh, Nicolas ; Swami, Umang ; Jo, Yeonjung ; Narang, Arshit ; Gebrael, Georges ; Chigarira, Beverly ; Thomas, Vinay Mathew

Background: Cabozantinib, a tyrosine kinase inhibitor (TKI), is a prevalent second-line (2 L) therapy and was approved for use after progression on TKIs. However, the 1 L treatment setting has changed since the approval of cabozantinib monotherapy in salvage therapy settings. Objective: To assess the differential effectiveness of cabozantinib after prior progression on 1 L ipilimumab with nivolumab (IPI + NIVO) compared to programmed death receptor-1 (PD-1) or PD-1 ligand (PD-L1) inhibitors (PD1/L1i) with TKIs. Methods: Utilizing a nationwide electronic health record (EHR)-derived de-identified database, we included patients with metastatic clear cell renal cell carcinoma (mccRCC) who received 1 L treatment with an immune checkpoint inhibitor (ICI)-based combination and 2 L treatment with cabozantinib monotherapy. These patients were categorized based on the type of 1 L ICI-based combination received: IPI + NIVO vs. PD1/L1i with TKI. Real-world time to next therapy (rwTTNT) and real-world overall survival (rwOS) were summarized using Kaplan-Meier curves and compared using Cox-proportional hazard models adjusted for International mRCC Database Consortium (IMDC) risk groups. Results: Among 12,285 patients with metastatic renal cell carcinoma, 237 were eligible and included. Median rwTTNT was 8 months for the IPI + NIVO subgroup and 7.5 months for the PD1/L1i + TKI subgroup (HR 1.05, 95% CI: 0.74–1.49, p = 0.8). Median rwOS was 17 months for IPI + NIVO and 16 months for PD1/L1i + TKI subgroup (HR 0.79, 95% CI: 0.52–1.20, p = 0.3). Conclusions: Cabozantinib remains effective as a 2 L therapy for mccRCC independent of the type of prior 1 L ICI-based combination. Further research is needed to validate these findings and explore the ideal sequencing of therapies.

01 Sep 2024·Urologic Oncology: Seminars and Original Investigations

Chemotherapy, immunotherapy, or combination first-line treatment for metastatic urothelial carcinoma of the bladder: A large real-world experience

Article

Author: Zhang, Jun ; Xu, Jiaqiong ; Ranganathan, Sanjana ; Wallis, Christopher J D ; Geng, Michael ; Melchiode, Zachary ; Riveros, Carlos ; Satkunasivam, Raj ; Huang, Emily ; Chan, Keith Syson ; Hu, Siqi ; Efstathiou, Eleni ; Sonpavde, Guru

INTRODUCTIONFirst-line systemic therapy for metastatic urothelial carcinoma of the bladder (mUC) consists of platinum-based chemotherapy in most patients and PD1/L1 inhibitors in selected patients. Multiple combination chemoimmunotherapy trials failed to show a clear benefit over chemotherapy alone. We used real-world data to evaluate clinical and sociodemographic factors associated with receipt of first-line chemotherapy, immunotherapy, or combination chemoimmunotherapy treatment for metastatic bladder cancer and examined differences in overall survival (OS).MATERIALS AND METHODSWe used the National Cancer Database to identify patients with stage IV mUC diagnosed between 2014 and 2018, who were treated with first-line immunotherapy, chemotherapy, or combination treatment. We performed multivariable logistic regression modeling to determine factors associated with treatment receipt Adjusted Kaplan-Meier survival analysis and multivariable Cox proportional hazards regression were used to evaluate the association between treatment and OS.RESULTSIn our cohort of 4,169 patients, multivariable analysis identified increasing age (RRR: 1.07, 95%CI, 1.06-1.08) and comorbidity burden (, as independent predictors of receiving immunotherapy. Treatment at an academic facility was associated with increased likelihood of combination treatment (RRR: 1.29, 95%CI, 1.01-1.65). After IPTW, we found that combination therapy (hazard ratio [HR]: 0.72; 95%CI, 0.62-0.83) was associated with improved survival compared to chemotherapy.CONCLUSIONSPatients with older age and more comorbidities were more likely to receive immunotherapy than chemotherapy for first-line treatment of metastatic urothelial carcinoma of the bladder. Utilization of chemoimmunotherapy was observed to be higher in academic centers and was associated with improved survival compared to chemotherapy.

01 Aug 2024·Cellular Oncology

Efficacy of programmed cell death 1 inhibitor maintenance after chimeric antigen receptor T cells in patients with relapsed/refractory B-cell non-Hodgkin-lymphoma

Article

Author: Zhang, Yicheng ; Li, Chunrui ; Meng, Fankai ; Huang, Liang ; Xu, Jinhuan ; Zheng, Miao ; Yang, Yang ; Zhu, Xiaojian ; Wang, Jue ; Xiao, Yi ; Jiang, Lijun ; Wang, Na ; Cao, Yang ; Wei, Jia ; Xin, Xiangke

INTRODUCTIONChimeric antigen receptor (CAR)-T cells obtained long-term durability in about 30% to 40% of relapsed/refractory (r/r) B-cell non-Hodgkin lymphoma (B-NHL). Maintenance therapy after CAR-T is necessary, and PD1 inhibitor is one of the important maintenance therapy options.METHODSA total of 173 r/r B-NHL patients treated with PD1 inhibitor maintenance following CD19/22 CAR-T therapy alone or combined with autologous hematopoietic stem cell transplantation (ASCT) from March 2019 to July 2022 were assessed for eligibility for two trials. There were 81 patients on PD1 inhibitor maintenance therapy.RESULTSIn the CD19/22 CAR-T therapy trial, the PD1 inhibitor maintenance group indicated superior objective response rate (ORR) (82.9% vs 60%; P = 0.04) and 2-year progression-free survival (PFS) (59.8% vs 21.3%; P = 0.001) than the non-maintenance group. The estimated 2-year overall survival (OS) was comparable in the two groups (60.1% vs 45.1%; P = 0.112). No difference was observed in the peak expansion levels of CD19 CAR-T and CD22 CAR-T between the two groups. The persistence time of CD19 and CD22 CAR-T in the PD1 inhibitor maintenance group was longer than that in the non-maintenance group. In the CD19/22 CAR-T therapy combined with ASCT trial, no significant differences in ORR (81.4% vs 84.8%; P = 0.67), 2-year PFS (72.3% vs 74.9%; P = 0.73), and 2-year OS (84.1% vs 80.7%; P = 0.79) were observed between non-maintenance and PD1 inhibitor maintenance therapy groups. The peak expansion levels and duration of CD19 and CD22 CAR-T were not statistically different between the two groups. During maintenance treatment with PD1 inhibitor, all adverse events were manageable. In the multivariable analyses, type and R3m were independent predictive factors influencing the OS of r/r B-NHL with PD1 inhibitor maintenance after CAR-T therapy.CONCLUSIONPD1 inhibitor maintenance following CD19/22 CAR-T therapy obtained superior response and survival in r/r B-NHL, but not in the trial of CD19/22 CAR-T cell therapy combined with ASCT.

100 Deals associated with PD1/PD-L1 Blocker(Crossignal Therapeutics)

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Indication	Highest Phase	Country/Location	Organization	Date
Solid tumor	Preclinical	US	Crossignal Therapeutics, Inc.	16 Apr 2024

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