Anti-PD-1 therapy plus chemotherapy versus anti-PD-1 therapy alone in patients with high-risk chemorefractory or relapsed gestational trophoblastic neoplasia: a multicenter, retrospective studyResearch in context

Summary: Background: Synergistic antitumor effects of immunotherapy and chemotherapy have been demonstrated in several solid tumors. However, this combination strategy has not been addressed in gestational trophoblastic neoplasia (GTN) cases. We therefore compared the safety and therapeutic effect...

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Main Authors: Xiaoyu Wang, Wei Cang, Xiaomei Liu, Yu Cheng, Xirun Wan, Fengzhi Feng, Tong Ren, Jun Zhao, Fang Jiang, Hongyan Cheng, Yu Gu, Lihua Chen, Chen Li, Xiuqin Li, Junjun Yang, Xin Lu, Yang Xiang
Format: Article
Language:English
Published: Elsevier 2023-05-01
Series:EClinicalMedicine
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Online Access:http://www.sciencedirect.com/science/article/pii/S2589537023001517
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author Xiaoyu Wang
Wei Cang
Xiaomei Liu
Yu Cheng
Xirun Wan
Fengzhi Feng
Tong Ren
Jun Zhao
Fang Jiang
Hongyan Cheng
Yu Gu
Lihua Chen
Chen Li
Xiuqin Li
Junjun Yang
Xin Lu
Yang Xiang
author_facet Xiaoyu Wang
Wei Cang
Xiaomei Liu
Yu Cheng
Xirun Wan
Fengzhi Feng
Tong Ren
Jun Zhao
Fang Jiang
Hongyan Cheng
Yu Gu
Lihua Chen
Chen Li
Xiuqin Li
Junjun Yang
Xin Lu
Yang Xiang
author_sort Xiaoyu Wang
collection DOAJ
description Summary: Background: Synergistic antitumor effects of immunotherapy and chemotherapy have been demonstrated in several solid tumors. However, this combination strategy has not been addressed in gestational trophoblastic neoplasia (GTN) cases. We therefore compared the safety and therapeutic effect of anti-programmed cell death 1 (PD-1) therapy combined with chemotherapy versus anti-PD-1 monotherapy among high-risk chemorefractory or relapsed GTN patients. Methods: This retrospective cohort study was conducted at three teaching hospitals in China. Chemorefractory or relapsed GTN cases receiving anti-PD-1 therapy combined with chemotherapy or anti-PD-1 monotherapy were selected from each center between August 2018 and March 2022. Study endpoints included objective response rate (ORR), treatment duration, overall survival (OS) and progression-free survival (PFS). The nature, prevalence and severity of treatment-related adverse events (TRAEs) were evaluated. Findings: This work enrolled 66 cases. Thirty-five and 31 patients received anti-PD-1 therapy alone and combined with chemotherapy, respectively. The combined treatment dramatically increased the objective response rate from 62.9% (22/35) to 96.8% (30/31) (p < 0.001). The median durations until complete response were 2.2 (interquartile range [IQR], 1.4–4.2) and 2.8 (IQR, 1.8–2.8) months in the anti-PD-1 monotherapy and combined treatment cohorts, respectively (P = 0.299). The complete response rate (CRR) for anti-PD-1-refractory patients to salvage chemotherapy was 84.6% (11/13). No significant difference in OS [HR 0.50 (95% CI 0.07–3.24), p = 0.499] was detected between anti-PD-1 cohort and anti-PD-1 plus chemotherapy cohort. The PFS in combined group was significantly longer than in anti-PD-1 group [HR 0.06 (95% CI 0.02–0.16), p < 0.001]. TRAEs were observed in 27 (77.1%) and 25 (80.6%) patients receiving anti-PD-1 therapy monotherapy and combined therapy, respectively (p = 0.729). Interpretation: Anti-PD-1 therapy combined with chemotherapy exhibits sustainably improved antitumor effect and tolerable toxic effects among high-risk chemorefractory or relapsed GTN cases. Patients not responding to PD-1 inhibitors can be effectively rescued with salvage chemotherapy. Funding: The study was supported by National Natural Science Foundation of China (81971475 and 81972451), and the National High Level Hospital Clinical Research Funding (2022-PUMCH-B-083 and 2022-PUMCH-B-084).
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spelling doaj.art-1068d68eb7ad463a80875bfff149b0b42023-04-28T08:56:15ZengElsevierEClinicalMedicine2589-53702023-05-0159101974Anti-PD-1 therapy plus chemotherapy versus anti-PD-1 therapy alone in patients with high-risk chemorefractory or relapsed gestational trophoblastic neoplasia: a multicenter, retrospective studyResearch in contextXiaoyu Wang0Wei Cang1Xiaomei Liu2Yu Cheng3Xirun Wan4Fengzhi Feng5Tong Ren6Jun Zhao7Fang Jiang8Hongyan Cheng9Yu Gu10Lihua Chen11Chen Li12Xiuqin Li13Junjun Yang14Xin Lu15Yang Xiang16Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Peking Union Medical College, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing, ChinaDepartment of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Peking Union Medical College, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing, ChinaDepartment of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, ChinaDepartment of Gynecology, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, ChinaDepartment of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Peking Union Medical College, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing, ChinaDepartment of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Peking Union Medical College, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing, ChinaDepartment of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Peking Union Medical College, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing, ChinaDepartment of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Peking Union Medical College, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing, ChinaDepartment of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Peking Union Medical College, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing, ChinaDepartment of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Peking Union Medical College, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing, ChinaDepartment of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Peking Union Medical College, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing, ChinaDepartment of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Peking Union Medical College, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing, ChinaDepartment of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Peking Union Medical College, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing, ChinaDepartment of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, ChinaDepartment of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Peking Union Medical College, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing, China; Corresponding author. Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, No. 1 Shuaifuyuan Road, Dongcheng District, Beijing 100730, China.Department of Gynecology, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China; Corresponding author. Department of Gynecology, Obstetrics and Gynecology Hospital, Fudan University, No.419 Fangxie Road, Shanghai 200011, China.Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Peking Union Medical College, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing, China; Corresponding author. Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, No. 1 Shuaifuyuan Road, Dongcheng District, Beijing 100730, China.Summary: Background: Synergistic antitumor effects of immunotherapy and chemotherapy have been demonstrated in several solid tumors. However, this combination strategy has not been addressed in gestational trophoblastic neoplasia (GTN) cases. We therefore compared the safety and therapeutic effect of anti-programmed cell death 1 (PD-1) therapy combined with chemotherapy versus anti-PD-1 monotherapy among high-risk chemorefractory or relapsed GTN patients. Methods: This retrospective cohort study was conducted at three teaching hospitals in China. Chemorefractory or relapsed GTN cases receiving anti-PD-1 therapy combined with chemotherapy or anti-PD-1 monotherapy were selected from each center between August 2018 and March 2022. Study endpoints included objective response rate (ORR), treatment duration, overall survival (OS) and progression-free survival (PFS). The nature, prevalence and severity of treatment-related adverse events (TRAEs) were evaluated. Findings: This work enrolled 66 cases. Thirty-five and 31 patients received anti-PD-1 therapy alone and combined with chemotherapy, respectively. The combined treatment dramatically increased the objective response rate from 62.9% (22/35) to 96.8% (30/31) (p < 0.001). The median durations until complete response were 2.2 (interquartile range [IQR], 1.4–4.2) and 2.8 (IQR, 1.8–2.8) months in the anti-PD-1 monotherapy and combined treatment cohorts, respectively (P = 0.299). The complete response rate (CRR) for anti-PD-1-refractory patients to salvage chemotherapy was 84.6% (11/13). No significant difference in OS [HR 0.50 (95% CI 0.07–3.24), p = 0.499] was detected between anti-PD-1 cohort and anti-PD-1 plus chemotherapy cohort. The PFS in combined group was significantly longer than in anti-PD-1 group [HR 0.06 (95% CI 0.02–0.16), p < 0.001]. TRAEs were observed in 27 (77.1%) and 25 (80.6%) patients receiving anti-PD-1 therapy monotherapy and combined therapy, respectively (p = 0.729). Interpretation: Anti-PD-1 therapy combined with chemotherapy exhibits sustainably improved antitumor effect and tolerable toxic effects among high-risk chemorefractory or relapsed GTN cases. Patients not responding to PD-1 inhibitors can be effectively rescued with salvage chemotherapy. Funding: The study was supported by National Natural Science Foundation of China (81971475 and 81972451), and the National High Level Hospital Clinical Research Funding (2022-PUMCH-B-083 and 2022-PUMCH-B-084).http://www.sciencedirect.com/science/article/pii/S2589537023001517PD-1 inhibitorsGestational trophoblastic neoplasiaCombination therapyChemotherapy
spellingShingle Xiaoyu Wang
Wei Cang
Xiaomei Liu
Yu Cheng
Xirun Wan
Fengzhi Feng
Tong Ren
Jun Zhao
Fang Jiang
Hongyan Cheng
Yu Gu
Lihua Chen
Chen Li
Xiuqin Li
Junjun Yang
Xin Lu
Yang Xiang
Anti-PD-1 therapy plus chemotherapy versus anti-PD-1 therapy alone in patients with high-risk chemorefractory or relapsed gestational trophoblastic neoplasia: a multicenter, retrospective studyResearch in context
EClinicalMedicine
PD-1 inhibitors
Gestational trophoblastic neoplasia
Combination therapy
Chemotherapy
title Anti-PD-1 therapy plus chemotherapy versus anti-PD-1 therapy alone in patients with high-risk chemorefractory or relapsed gestational trophoblastic neoplasia: a multicenter, retrospective studyResearch in context
title_full Anti-PD-1 therapy plus chemotherapy versus anti-PD-1 therapy alone in patients with high-risk chemorefractory or relapsed gestational trophoblastic neoplasia: a multicenter, retrospective studyResearch in context
title_fullStr Anti-PD-1 therapy plus chemotherapy versus anti-PD-1 therapy alone in patients with high-risk chemorefractory or relapsed gestational trophoblastic neoplasia: a multicenter, retrospective studyResearch in context
title_full_unstemmed Anti-PD-1 therapy plus chemotherapy versus anti-PD-1 therapy alone in patients with high-risk chemorefractory or relapsed gestational trophoblastic neoplasia: a multicenter, retrospective studyResearch in context
title_short Anti-PD-1 therapy plus chemotherapy versus anti-PD-1 therapy alone in patients with high-risk chemorefractory or relapsed gestational trophoblastic neoplasia: a multicenter, retrospective studyResearch in context
title_sort anti pd 1 therapy plus chemotherapy versus anti pd 1 therapy alone in patients with high risk chemorefractory or relapsed gestational trophoblastic neoplasia a multicenter retrospective studyresearch in context
topic PD-1 inhibitors
Gestational trophoblastic neoplasia
Combination therapy
Chemotherapy
url http://www.sciencedirect.com/science/article/pii/S2589537023001517
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