Dataset Information

Efficacy and Safety of Sintilimab Plus Anlotinib for PD-L1-Positive Recurrent or Metastatic Cervical Cancer: A Multicenter, Single-Arm, Prospective Phase II Trial.

ABSTRACT:

Purpose

No combined immunotherapy and antiangiogenic therapy have been investigated in exclusively programmed death-ligand 1 (PD-L1)-positive advanced cervical cancer (CA). We investigated the efficacy and safety of sintilimab plus anlotinib as second-line or later therapy for PD-L1-positive recurrent or metastatic (R/M) CA.

Patients and methods

Patients with PD-L1-positive (Combined Positive Score ≥ 1) R/M CA who progressed after at least one prior systemic chemotherapeutic regimen or could not tolerate chemotherapy were eligible for the phase II trial. The patients received 200 mg sintilimab once on day 1 and 10 mg anlotinib once daily on days 1-14 every 3 weeks. The primary end point was investigator-confirmed objective response rate (ORR) per RECIST v1.1. Secondary end points included progression-free survival (PFS), overall survival, and disease control rate. Biomarkers were explored.

Results

Forty-two patients were enrolled. The ORR was 54.8% (95% CI, 38.7 to 70.2). In 39 efficacy-evaluable patients, the ORR was 59.0% (95% CI, 42.1 to 74.4); the disease control rate was 94.9% (95% CI, 82.7 to 99.4). The median PFS was 9.4 months (95% CI, 8.0 to 14.6). The median overall survival was not reached. Furthermore, 85.8% of the patients experienced treatment-related adverse events. The most frequent treatment-related adverse events were hypothyroidism (33.3%), elevated aspartate aminotransferase levels (21.4%), and hypertension (19.0%). Patients with altered PIK3CA, PI3K-AKT signaling, or KMT2D had a higher ORR, whereas those with altered STK11 and/or JAK2 had a significantly shorter PFS.

Conclusion

Sintilimab plus anlotinib as second-line or later therapy is efficacious and safe for patients with advanced CA who have failed prior chemotherapy.

SUBMITTER: Xu Q

PROVIDER: S-EPMC9148684 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature

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Publications

Efficacy and Safety of Sintilimab Plus Anlotinib for PD-L1-Positive Recurrent or Metastatic Cervical Cancer: A Multicenter, Single-Arm, Prospective Phase II Trial.

Xu Qin Q Wang Junjie J Sun Yang Y Lin Yibin Y Liu Jing J Zhuo Yanhong Y Huang Zhangzhou Z Huang Songhua S Chen Ying Y Chen Li L Ke Meifang M Li Li L Li Zirong Z Pan Junping J Song Yanwen Y Liu Rongqiang R Chen Chuanben C

Journal of clinical oncology : official journal of the American Society of Clinical Oncology 20220222 16

<h4>Purpose</h4>No combined immunotherapy and antiangiogenic therapy have been investigated in exclusively programmed death-ligand 1 (PD-L1)-positive advanced cervical cancer (CA). We investigated the efficacy and safety of sintilimab plus anlotinib as second-line or later therapy for PD-L1-positive recurrent or metastatic (R/M) CA.<h4>Patients and methods</h4>Patients with PD-L1-positive (Combined Positive Score ≥ 1) R/M CA who progressed after at least one prior systemic chemotherapeutic regim ...[more]

PMID: 35192397

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Project description:BackgroundImmune checkpoint inhibitors (ICIs) show optimal treatment effects on recurrent or metastatic nasopharyngeal carcinoma(R/M NPC). Nonetheless, whether metastatic sites impact ICIs efficacy remains unclear.MethodsWe performed a secondary analysis of R/M NPC patients treated with KL-A167, a programmed cell death-ligand 1(PD-L1) inhibitor, based on a multicenter, single-arm, phase II study from China between 2019 and 2021 years, which represents the first and most comprehensive analysis of the effectiveness of a PD-L1 inhibitor in patients who have been previously treated. The Cox proportional hazard model was utilized to evaluate the association between sites and PFS and OS. Sensitivity analysis and subgroup analysis were carried out to confirm the reliability of our findings.ResultsA total of 153 R/M NPC patients were included. The mean age was 47 years and 81% of patients were males. All patients in our study had distant metastasis, with a majority (n = 69) presenting with more than 2 sites of distant metastasis upon admission. The collected sites of metastasis included liver, lung, lymph and bone. Among the 153 patients, 37.9% (58 patients) received anti-PD-L1 treatment for a minimum of 6 months, and 17.6% (27 patients) were treated for at least 12 months. By conducting multivariate analysis, R/M NPC patients with non-liver metastases presented significantly longer progress-free survival (PFS, HR:1.67, CI:1.09-0.2.55, p = 0.018) and overall survival (OS, HR:2.52, CI:1.49-4.28, p < 0.001) compared with those with liver metastasis. The median PFS (72 vs. 144 days, p < 0.0001) and OS (730 vs. 305 days, p < 0.0001) were significantly longer for patients with non-liver metastases. However, lung, bone and lymph node metastasis had no statistical significance on PFS and OS (p > 0.005). Our sensitive analysis showed liver metastases patients with less other site metastases (0 or 1) had shorter OS compared to non-liver metastases patients with more other metastases(≥ 2). Furthermore, subgroup analysis indicated the robustness evidence liver metastasis indeed a valuable prognostic factor for survival.ConclusionsCompared to patients with other metastatic sites, R/M NPC patients with liver metastasis have poor survival patterns when receiving anti-PD-L1 therapy. Our study provides rational evidence for the urgent need to explore more efficacy treatment modalities for NPC patients with liver metastasis.

Dataset Information

Efficacy and Safety of Sintilimab Plus Anlotinib for PD-L1-Positive Recurrent or Metastatic Cervical Cancer: A Multicenter, Single-Arm, Prospective Phase II Trial.

Purpose

Patients and methods

Results

Conclusion

Publications

Efficacy and Safety of Sintilimab Plus Anlotinib for PD-L1-Positive Recurrent or Metastatic Cervical Cancer: A Multicenter, Single-Arm, Prospective Phase II Trial.

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