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Li J, Zhang H, Chen XD. Effect and safety of ripretinib in the treatment of advanced gastrointestinal stromal tumor: A systematic review and meta-analysis. World J Clin Oncol 2024; 15:1092-1101. [DOI: 10.5306/wjco.v15.i8.1092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2024] [Revised: 07/18/2024] [Accepted: 07/24/2024] [Indexed: 08/16/2024] Open
Abstract
BACKGROUND Imatinib (IMA) has received approval as the primary treatment for gastrointestinal stromal tumors (GIST). Nonetheless, approximately half of the patients with advanced GIST show disease advancement following IMA treatment. Presently, the efficacy of secondary and tertiary medications in addressing various GIST secondary mutations is somewhat restricted. Consequently, there is a significant medical demand for the creation of kinase inhibitors that extensively block secondary drug-resistant mutations in advanced GIST. Ripretinib (RPT) is a new, switch-control tyrosine kinase inhibitors that can suppress different mutations of KIT and PDGFRA via a dual mechanism of action.
AIM To investigate the literature on RPT to assess an effective, safe, and successful treatment strategy against advanced GIST.
METHODS The present systematic review and meta-analysis was performed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. PubMed, Embase, Cochrane, Web of Science and ClinicalTrials.gov databases were screened from January 1, 2003 to May 1, 2024.
RESULTS A total of 4 studies were included, with a total of 507 patients enrolled. The objective response rate (ORR) of the RPT-treated advanced GIST was 17% (95%CI: 0.11-0.27), while the disease control rate (DCR) was 66% (95%CI: 0.59-0.73). The overall occurrence of adverse events with varying degrees was 97% (95%CI: 0.93-1), whereas that of grade ≥ 3 adverse reactions was 42% (95%CI: 0.28-0.63). The sensitivity analysis revealed that omitting some studies did not yield statistically notable variances in the aggregate data regarding the ORR, DCR, and the occurrence of adverse events of grade 3 or higher. The publication bias was absent because no significant asymmetry was observed in Begg’s funnel plot in all studies.
CONCLUSION RPT has favorable efficacy profiles in GIST patients, but the adverse reactions are obvious, and patient management needs to be strengthened to achieve better safety and tolerability.
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Affiliation(s)
- Ji Li
- Department of General Surgery, Chongqing Western Hospital, Chongqing 400051, China
| | - Hao Zhang
- Department of General Surgery, Chongqing Western Hospital, Chongqing 400051, China
| | - Xiao-Dong Chen
- Department of General Surgery, Chongqing Western Hospital, Chongqing 400051, China
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Thirasastr P, Sutton TL, Joseph CP, Lin H, Amini B, Mayo SC, Araujo D, Benjamin RS, Conley AP, Livingston JA, Ludwig J, Patel S, Ratan R, Ravi V, Zarzour MA, Nassif Haddad EF, Nakazawa MS, Zhou X, Heinrich MC, Somaiah N. Outcomes of Late-Line Systemic Treatment in GIST: Does Sequence Matter? Cancers (Basel) 2024; 16:904. [PMID: 38473266 PMCID: PMC10931337 DOI: 10.3390/cancers16050904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 02/17/2024] [Accepted: 02/21/2024] [Indexed: 03/14/2024] Open
Abstract
Ripretinib and avapritinib have demonstrated activity in the late-line treatment of gastrointestinal stomal tumors (GISTs). We investigated whether patients previously treated with ripretinib benefit from avapritinib, and vice versa. Patients diagnosed with metastatic/unresectable GIST and treated with both drugs at two institutions in 2000-2021 were included. Patients were grouped by drug sequence: ripretinib-avapritinib (RA) or avapritinib-ripretinib (AR). Radiographic response was evaluated using RECIST 1.1. Kaplan-Meier and log-rank tests were used to compare time-to-progression (TTP) and overall survival (OS). Thirty-four patients (17 per group) were identified, with a median age of 48 years. The most common primary site was the small bowel (17/34, 50%), followed by the stomach (10/34, 29.4%). Baseline characteristics and tumor mutations were not significantly different between groups. Response rates (RRs) for ripretinib were 18% for RA and 12% for AR; RRs for avapritinib were 12% for AR and 18% for RA. Median TTPs for ripretinib were 3.65 months (95%CI 2-5.95) for RA and 4.73 months (1.87-15.84) for AR. Median TTPs for avapritinib were 5.39 months (2.86-18.99) for AR and 4.11 months (1.91-11.4) for RA. Median OS rates following RA or AR initiation were 29.63 (95%CI 13.8-50.53) and 33.7 (20.03-50.57) months, respectively. Both ripretinib and avapritinib were efficacious in the late-line treatment of GIST, with no evidence that efficacy depended on sequencing.
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Affiliation(s)
- Prapassorn Thirasastr
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (P.T.); (C.P.J.); (D.A.); (R.S.B.); (A.P.C.); (J.A.L.); (J.L.); (S.P.); (R.R.); (V.R.); (M.A.Z.); (E.F.N.H.); (M.S.N.); (X.Z.)
| | - Thomas L. Sutton
- Division of Surgical Oncology, OHSU Knight Cancer Institute, Oregon Health & Science University School of Medicine, Portland, OR 97239, USA; (T.L.S.)
| | - Cissimol P. Joseph
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (P.T.); (C.P.J.); (D.A.); (R.S.B.); (A.P.C.); (J.A.L.); (J.L.); (S.P.); (R.R.); (V.R.); (M.A.Z.); (E.F.N.H.); (M.S.N.); (X.Z.)
| | - Heather Lin
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Behrang Amini
- Department of Musculoskeletal Imaging, Division of Diagnostic Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Skye C. Mayo
- Division of Surgical Oncology, OHSU Knight Cancer Institute, Oregon Health & Science University School of Medicine, Portland, OR 97239, USA; (T.L.S.)
| | - Dejka Araujo
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (P.T.); (C.P.J.); (D.A.); (R.S.B.); (A.P.C.); (J.A.L.); (J.L.); (S.P.); (R.R.); (V.R.); (M.A.Z.); (E.F.N.H.); (M.S.N.); (X.Z.)
| | - Robert S. Benjamin
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (P.T.); (C.P.J.); (D.A.); (R.S.B.); (A.P.C.); (J.A.L.); (J.L.); (S.P.); (R.R.); (V.R.); (M.A.Z.); (E.F.N.H.); (M.S.N.); (X.Z.)
| | - Anthony P. Conley
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (P.T.); (C.P.J.); (D.A.); (R.S.B.); (A.P.C.); (J.A.L.); (J.L.); (S.P.); (R.R.); (V.R.); (M.A.Z.); (E.F.N.H.); (M.S.N.); (X.Z.)
| | - John A. Livingston
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (P.T.); (C.P.J.); (D.A.); (R.S.B.); (A.P.C.); (J.A.L.); (J.L.); (S.P.); (R.R.); (V.R.); (M.A.Z.); (E.F.N.H.); (M.S.N.); (X.Z.)
| | - Joseph Ludwig
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (P.T.); (C.P.J.); (D.A.); (R.S.B.); (A.P.C.); (J.A.L.); (J.L.); (S.P.); (R.R.); (V.R.); (M.A.Z.); (E.F.N.H.); (M.S.N.); (X.Z.)
| | - Shreyaskumar Patel
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (P.T.); (C.P.J.); (D.A.); (R.S.B.); (A.P.C.); (J.A.L.); (J.L.); (S.P.); (R.R.); (V.R.); (M.A.Z.); (E.F.N.H.); (M.S.N.); (X.Z.)
| | - Ravin Ratan
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (P.T.); (C.P.J.); (D.A.); (R.S.B.); (A.P.C.); (J.A.L.); (J.L.); (S.P.); (R.R.); (V.R.); (M.A.Z.); (E.F.N.H.); (M.S.N.); (X.Z.)
| | - Vinod Ravi
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (P.T.); (C.P.J.); (D.A.); (R.S.B.); (A.P.C.); (J.A.L.); (J.L.); (S.P.); (R.R.); (V.R.); (M.A.Z.); (E.F.N.H.); (M.S.N.); (X.Z.)
| | - Maria A. Zarzour
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (P.T.); (C.P.J.); (D.A.); (R.S.B.); (A.P.C.); (J.A.L.); (J.L.); (S.P.); (R.R.); (V.R.); (M.A.Z.); (E.F.N.H.); (M.S.N.); (X.Z.)
| | - Elise F. Nassif Haddad
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (P.T.); (C.P.J.); (D.A.); (R.S.B.); (A.P.C.); (J.A.L.); (J.L.); (S.P.); (R.R.); (V.R.); (M.A.Z.); (E.F.N.H.); (M.S.N.); (X.Z.)
| | - Michael S. Nakazawa
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (P.T.); (C.P.J.); (D.A.); (R.S.B.); (A.P.C.); (J.A.L.); (J.L.); (S.P.); (R.R.); (V.R.); (M.A.Z.); (E.F.N.H.); (M.S.N.); (X.Z.)
| | - Xiao Zhou
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (P.T.); (C.P.J.); (D.A.); (R.S.B.); (A.P.C.); (J.A.L.); (J.L.); (S.P.); (R.R.); (V.R.); (M.A.Z.); (E.F.N.H.); (M.S.N.); (X.Z.)
| | - Michael C. Heinrich
- Cell and Developmental Biology, OHSU Knight Cancer Institute, Oregon Health & Science University School of Medicine, Portland, OR 97239, USA;
| | - Neeta Somaiah
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (P.T.); (C.P.J.); (D.A.); (R.S.B.); (A.P.C.); (J.A.L.); (J.L.); (S.P.); (R.R.); (V.R.); (M.A.Z.); (E.F.N.H.); (M.S.N.); (X.Z.)
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Huang C, Ma X, Wang M, Cao H. Drugs in the GIST Field (Therapeutic Targets and Clinical Trial Staging). Curr Drug Deliv 2024; 21:80-90. [PMID: 36415101 PMCID: PMC10661963 DOI: 10.2174/1567201820666221122120657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 10/15/2022] [Accepted: 10/20/2022] [Indexed: 11/24/2022]
Abstract
BACKGROUND Molecular targeted therapies are the most important type of medical treatment for GIST, but the development of GIST drugs and their targets have not been summarized. METHODS Drugs in the field of GIST were analyzed and collated through Pharmaprojects, ClinicalTrials. gov and PharmaGO databases. RESULTS As of 2021, there are 75 drugs that have appeared in the GIST clinical trials. The six most frequent targets in GIST clinical trials, in descending order of frequency, were KIT, PDGFRA, KDR (VEGFR2), FLT3, FLT1 (VEGFR1), and FLT4/VEGFR3. Only 8 drugs are in preclinical research. There are challenges in the development of new drugs for GIST. CONCLUSION This article analyzes and summarizes the general situation of GIST drugs, the target distribution of GIST drugs, and the trends in GIST drug-related clinical trials.
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Affiliation(s)
- Chen Huang
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xinli Ma
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ming Wang
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Hui Cao
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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Mudavath S, Ashok D. Effect of Verapamil, a P-glycoprotein-1 and Cytochrome P450 3A4 Inhibitor, on Pharmacokinetics and Metabolic Stability of Ripretinib: A Drug-Drug Interaction Study in Rats. Eur J Drug Metab Pharmacokinet 2023; 48:733-746. [PMID: 37831396 DOI: 10.1007/s13318-023-00860-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/26/2023] [Indexed: 10/14/2023]
Abstract
BACKGROUND AND OBJECTIVES Ripretinib was developed to target a whole range of KIT proto-oncogene mutations and platelet-derived growth factor receptor A (PDGFR-A) kinases found in certain cancers and myeloproliferative neoplasms, particularly gastrointestinal stromal tumours (GISTs). This study investigated the effect of verapamil, a potential inhibitor of P-glycoprotein-1 (P-gp1) and cytochrome P450 3A4 (CYP3A4), on the pharmacokinetics of ripretinib in rats when administered orally together. This study also assessed the metabolic stability and in vitro cellular absorption of ripretinib in the presence of verapamil. METHODS A novel sensitive time-saving liquid chromatography tandem mass spectometry (LC-MS/MS) technique for determining ripretinib in rat plasma was developed and validated. A Zorbax SB C18 column was used for the separation and analysis of ripretinib with a mobile phase consisting of 50:50 (%v/v) acetonitrile and 10 mM ammonium formate buffer at a flow rate of 0.4 mL/min. Imatinib was used as an internal standard (IS) in the method. The pharmacokinetic characteristics of ripretinib were evaluated in Wistar rats by successfully administering an oral dosage of 5 mg/kg body weight of ripretinib in the presence of verapamil (10 mg/kg body weight). Subsequently, rat liver microsomes were used to assess the effect of verapamil on ripretinib metabolic stability, and absorption was tested using a Caco-2 cell transwell model. RESULTS Ripretinib and IS were identified using multiple reaction monitoring (MRM) modes by mass spectrometry and showed ion transitions of 510.09→94.06 m/z and 494.26→ 394.16 m/z, respectively. The high-performance liquid chromatography (HPLC) method successfully eluted ripretinib and IS at retention times of 0.91 and 0.68 min, respectively, and the method was validated for all parameters and met the criteria for acceptance. Co-administration of verapamil increased the maximum concentration (Cmax) of ripretinib from 437 ± 84 ng/mL to 492 ± 50 ng/mL (12%), and the area under the concentration-time curve from 0 to the last sampling time t (AUC0-t) increased by approximately 40.6%. Verapamil significantly reduced the basolateral-to-apical transfer of ripretinib through Caco-2 cells. Findings also showed that verapamil increased the metabolic stability of ripretinib. CONCLUSION The study results indicate that the co-administration of ripretinib with CYP3A4 and/or P-gp1 inhibitors is associated with significant drug-drug interactions that affect the pharmacokinetics of ripretinib. Further research in human subjects is suggested to confirm dosage adjustment and therapeutic drug monitoring of ripretinib when administered along with P-gp1/CYP3A4 inhibitors ensuring patient safety and optimizing the therapeutic benefits of ripretinib.
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Affiliation(s)
- Shyamala Mudavath
- Department of Pharmaceutical Analysis, Joginpally B R Pharmacy College, Hyderabad, Telangana, 500075, India.
| | - Dongamanti Ashok
- Department of Green Chemistry and Medicinal Chemistry Laboratory, Osmania University, Hyderabad, Telangana, 500007, India
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Liu WZ, Du YQ, Shen Q, Tao KX, Zhang P. Ripretinib for the treatment of advanced, imatinib-resistant gastrointestinal stromal tumors. J Dig Dis 2023. [PMID: 37706279 DOI: 10.1111/1751-2980.13229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 09/12/2023] [Indexed: 09/15/2023]
Abstract
Discovery of constitutive activation of KIT/PDGFRA tyrosine kinases in gastrointestinal stromal tumors (GISTs) leads to the development of the targeted drug imatinib. However, the inevitable development of imatinib resistance remains a major issue. Ripretinib is a novel targeted drug that inhibits the activities of a broad spectrum of drug-resistant KIT/PDGFRA mutants. It was approved in 2020 and is currently recommended by major international guidelines as the fourth-line and beyond therapy for advanced GISTs. Emerging evidence shows that ripretinib is superior to sunitinib as a second-line treatment for KIT exon 11-mutated GISTs due to its activity against highly heterogeneous frequently occurring secondary mutations. This review summarizes current data on the use of ripretinib to treat advanced imatinib-resistant GISTs. We also propose future research directions to improve the targeted GIST treatment.
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Affiliation(s)
- Wei Zhen Liu
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Yu Qiang Du
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Qian Shen
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Kai Xiong Tao
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Peng Zhang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
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Zhang X, Zhang P, Qiu H, Fang Y, Liu H, Zhou Y, Xu H, Yu J, Zhang J, Wang M, Shen L, Li J. Large-Scale, Multicenter, Prospective Registry Study of Ripretinib in Advanced GIST: A Real-World Study from China. Adv Ther 2023; 40:3817-3829. [PMID: 37356078 PMCID: PMC10427548 DOI: 10.1007/s12325-023-02576-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 06/02/2023] [Indexed: 06/27/2023]
Abstract
INTRODUCTION Tyrosine-kinase inhibitors (TKIs) have become the standard treatment for patients with advanced gastrointestinal stromal tumor (GIST); however, secondary mutations can still drive disease progression. Studies have shown that ripretinib, a novel switch-control TKI, inhibits various primary and secondary drug-resistant mutations. There is a paucity of data on the effectiveness and safety of ripretinib in a real-world setting. This prospective, large-scale, real-world registry study aimed to evaluate the effectiveness and safety of ripretinib as a fourth-line treatment in Chinese patients with advanced GIST. METHODS Patients ≥ 18 years of age having recurrent/metastatic GIST were enrolled. Key endpoints were median progression-free survival (mPFS), median overall survival (mOS), and adverse events (AEs) incidence. Univariate and multivariate analyses were conducted to identify various parameters associated with PFS. RESULTS A total of 240 patients were enrolled. After a median follow-up period of 6.5 months, the mPFS [95% confidence interval (CI)] was 7.70 (6.60, 8.60) months and the mOS was not reached. Multivariate analysis revealed association of Eastern Cooperative Oncology Group (ECOG) performance status score with PFS and superior benefits for non-gastric was observed as compared to gastric GISTs [hazard ratio (HR) 0.58, 95% CI (0.39-0.86)]. Disease control rate and tumor shrinkage (any magnitude) was 73% and 43%, respectively. Ripretinib was also effective in the subgroup of patients with different gene mutations. The toxicities were tolerable, and most reported AEs were alopecia (17.1%) and hand-foot syndrome (15.4%). CONCLUSION Ripretinib demonstrated effectiveness and a tolerable safety profile, making it a viable option as a fourth- or later-line treatment in Chinese patients with advanced GISTs, especially for non-gastric GISTs. TRIAL REGISTRATION ClinicalTrials.gov identifier, NCT05697107.
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Affiliation(s)
- Xinhua Zhang
- The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Peng Zhang
- Union Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Haibo Qiu
- Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Yong Fang
- Zhongshan Hospital, Fudan University, Shanghai, China
| | - Heli Liu
- Xiangya Hospital, Central South University, Changsha, China
| | - Yongjian Zhou
- Fujian Medical University Union Hospital, Fuzhou, China
| | - Hao Xu
- The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - JiRen Yu
- The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jun Zhang
- The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ming Wang
- Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lin Shen
- Peking University Cancer Hospital and Institute, 52 Fucheng Road, Beijing, China
| | - Jian Li
- Peking University Cancer Hospital and Institute, 52 Fucheng Road, Beijing, China.
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De Sutter L, Wozniak A, Verreet J, Vanleeuw U, De Cock L, Linde N, Drechsler C, Esdar C, Sciot R, Schöffski P. Antitumor Efficacy of the Novel KIT Inhibitor IDRX-42 (Formerly M4205) in Patient- and Cell Line-Derived Xenograft Models of Gastrointestinal Stromal Tumor (GIST). Clin Cancer Res 2023; 29:2859-2868. [PMID: 37223931 DOI: 10.1158/1078-0432.ccr-22-3822] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 03/17/2023] [Accepted: 05/19/2023] [Indexed: 05/25/2023]
Abstract
PURPOSE The majority of gastrointestinal stromal tumors (GIST) are driven by constitutively activated KIT/PDGFRA kinases and are susceptible to treatment with tyrosine kinase inhibitors. During treatment, most of these tumors will develop secondary mutations in KIT or PDGFRA inducing drug resistance, so there is an unmet need for novel therapies. We tested the efficacy of IDRX-42, a novel selective KIT inhibitor with high activity toward the most relevant KIT mutations, in 4 GIST xenograft models. EXPERIMENTAL DESIGN NMRI nu/nu mice were transplanted with patient-derived GIST xenograft models UZLX-GIST9 (KIT:p.P577del;W557LfsX5;D820G), UZLX-GIST2B (KIT:p.A502_Y503dup), UZLX-GIST25 (KIT:p.K642E), and the cell line-derived model GIST882 (KIT:p.K642E). Mice were treated daily with vehicle (control), imatinib (100 mg/kg), sunitinib (20 mg/kg), avapritinib (5 mg/kg), or IDRX-42 (10 mg/kg, 25 mg/kg). Efficacy was assessed by tumor volume evolution, histopathology, grading of histologic response, and IHC. The Kruskal-Wallis and Wilcoxon matched-pairs tests were used for statistical analysis, with P < 0.05 considered as significant. RESULTS IDRX-42 (25 mg/kg) caused tumor volume shrinkage in UZLX-GIST25, GIST882, and UZLX-GIST2B, with a relative decrease to 45.6%, 57.3%, and 35.1% on the last day as compared with baseline, and tumor growth delay (160.9%) compared with control in UZLX-GIST9. Compared with controls, IDRX-42 (25 mg/kg) induced a significant decrease in mitosis. In UZLX-GIST25 and GIST882 grade 2-4 histologic response with myxoid degeneration was observed in all IDRX-42 (25 mg/kg)-treated tumors. CONCLUSIONS IDRX-42 showed significant antitumor activity in patient- and cell line-derived GIST xenograft models. The novel kinase inhibitor induced volumetric responses, decreased mitotic activity, and had antiproliferative effects. In models with KIT exon 13 mutation IDRX-42 induced characteristic myxoid degeneration.
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Affiliation(s)
- Luna De Sutter
- Laboratory of Experimental Oncology, Department of Oncology, KU Leuven, Leuven Cancer Institute, Leuven, Belgium
| | - Agnieszka Wozniak
- Laboratory of Experimental Oncology, Department of Oncology, KU Leuven, Leuven Cancer Institute, Leuven, Belgium
| | - Jasper Verreet
- Laboratory of Experimental Oncology, Department of Oncology, KU Leuven, Leuven Cancer Institute, Leuven, Belgium
| | - Ulla Vanleeuw
- Laboratory of Experimental Oncology, Department of Oncology, KU Leuven, Leuven Cancer Institute, Leuven, Belgium
| | - Lore De Cock
- Laboratory of Experimental Oncology, Department of Oncology, KU Leuven, Leuven Cancer Institute, Leuven, Belgium
| | - Nina Linde
- The healthcare business of Merck KGaA, Darmstadt, Germany
| | | | | | - Raf Sciot
- Department of Pathology, KU Leuven and University Hospitals Leuven, Leuven, Belgium
| | - Patrick Schöffski
- Laboratory of Experimental Oncology, Department of Oncology, KU Leuven, Leuven Cancer Institute, Leuven, Belgium
- Department of General Medical Oncology, University Hospitals Leuven, Leuven Cancer Institute, Leuven, Belgium
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Di Vito A, Ravegnini G, Gorini F, Aasen T, Serrano C, Benuzzi E, Coschina E, Monesmith S, Morroni F, Angelini S, Hrelia P. The multifaceted landscape behind imatinib resistance in gastrointestinal stromal tumors (GISTs): A lesson from ripretinib. Pharmacol Ther 2023:108475. [PMID: 37302758 DOI: 10.1016/j.pharmthera.2023.108475] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 05/26/2023] [Accepted: 06/06/2023] [Indexed: 06/13/2023]
Abstract
Gastrointestinal stromal tumors (GISTs) are rare mesenchymal sarcomas and the gold-standard treatment is represented by tyrosine kinase inhibitors (TKIs). Unfortunately, first-line treatment with the TKI imatinib usually promotes partial response or stable disease rather than a complete response, and resistance appears in most patients. Adaptive mechanisms are immediately relevant at the beginning of imatinib therapy, and they may represent the reason behind the low complete response rates observed in GISTs. Concurrently, resistant subclones can silently continue to grow or emerge de novo, becoming the most representative populations. Therefore, a slow evolution of the primary tumor gradually occurs during imatinib treatment, enriching heterogeneous imatinib resistant clonal subpopulations. The identification of secondary KIT/PDGFRA mutations in resistant GISTs prompted the development of novel multi-targeted TKIs, leading to the approval of sunitinib, regorafenib, and ripretinib. Although ripretinib has broad anti-KIT and -PDGFRA activity, it failed to overcome sunitinib as second-line treatment, suggesting that imatinib resistance is more multifaceted than initially thought. The present review summarizes several biological aspects suggesting that heterogeneous adaptive and resistance mechanisms can also be driven by KIT or PDGFRA downstream mediators, alternative kinases, as well as ncRNAs, which are not targeted by any TKI, including ripretinib. This may explain the modest effect observed with ripretinib and all anti-GIST agents in patients.
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Affiliation(s)
- Aldo Di Vito
- Department of Pharmacy and Biotechnology, University of Bologna, Italy
| | - Gloria Ravegnini
- Department of Pharmacy and Biotechnology, University of Bologna, Italy
| | - Francesca Gorini
- Department of Pharmacy and Biotechnology, University of Bologna, Italy
| | - Trond Aasen
- Patologia Molecular Translacional, Vall d'Hebron Institut de Recerca (VHIR), Barcelona, Spain
| | - Cesar Serrano
- Sarcoma Translational Research Program, Vall d'Hebron Institute of Oncology, Barcelona, Spain; Medical Oncology Department, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Eva Benuzzi
- Department of Pharmacy and Biotechnology, University of Bologna, Italy
| | - Emma Coschina
- Department of Pharmacy and Biotechnology, University of Bologna, Italy
| | - Sarah Monesmith
- Department of Pharmacy and Biotechnology, University of Bologna, Italy
| | - Fabiana Morroni
- Department of Pharmacy and Biotechnology, University of Bologna, Italy
| | - Sabrina Angelini
- Department of Pharmacy and Biotechnology, University of Bologna, Italy; Inter-Departmental Center for Health Sciences & Technologies, CIRI-SDV, University of Bologna, Bologna, Italy.
| | - Patrizia Hrelia
- Department of Pharmacy and Biotechnology, University of Bologna, Italy
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9
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Zhang Y, Huang Z. Ripretinib in combination with tyrosine kinase inhibitor as a late-line treatment option for refractory gastrointestinal stromal tumors: two case reports and literature review. Front Pharmacol 2023; 14:1122885. [PMID: 37288114 PMCID: PMC10242384 DOI: 10.3389/fphar.2023.1122885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 05/10/2023] [Indexed: 06/09/2023] Open
Abstract
Background: This case report presents two clinical cases of metastatic refractory gastrointestinal stromal tumor (GIST) with treatment history of 6-14 years. The follow-up treatment of both cases comprised ripretinib dose escalation and its combination with other tyrosine kinase inhibitors (TKIs). To the best of our knowledge, this is the first report that explored ripretinib combination therapy in the late-line treatment of GISTs. Case description: Case-1 represents a 57-year-old female patient who underwent surgical resection for retroperitoneal GIST in 2008. After tumor recurrence in 2009, imatinib was started with complete response for 8 years. Imatinib was followed by sunitinib and regorafenib treatment. In March 2021, due to progressive disease (PD), the patient started ripretinib (150 mg QD) and achieved partial response (PR). Six months later, the patient showed PD. Subsequently, ripretinib dose was increased (150 mg BID) followed by ripretinib (100 mg QD) and imatinib (200 mg QD) combination. CT performed in February 2022 revealed stable lesions with internal visible necrosis. Combination therapy achieved stable disease (SD) for 7 months. On further follow-up in July 2022, the patient showed PD and died in September 2022. Case-2: represents a 73-year-old female patient diagnosed with unresectable duodenal GIST with liver, lung, and lymph node metastases in 2016. After treatment with imatinib, followed by sunitinib, regorafenib, and imatinib rechallenge, ripretinib (150 mg QD) was administered in May 2021, and SD was achieved. Ripretinib dose was increased (200 mg QD) due to PD in December 2021. The tumor showed heterogeneous manifestations, with overall size increase and regression in right posterior lobe. In February 2022, ripretinib (150 mg) plus sunitinib (25 mg) QD was commenced. On follow-up in April 2022, the patient showed slightly improved symptoms with stable hematologic parameters. Combination therapy achieved SD for 5 months and the patient showed PD in July 2022 and discontinued the treatment later. The patient was in poor general condition and was receiving nutritional therapy until last follow-up in October 2022. Conclusion: This case report provides evidence that combination therapy of ripretinib with other TKIs could be an effective late-line treatment option for refractory GIST patients.
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10
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Catalano F, Cremante M, Dalmasso B, Pirrone C, Lagodin D’Amato A, Grassi M, Comandini D. Molecular Tailored Therapeutic Options for Advanced Gastrointestinal Stromal Tumors (GISTs): Current Practice and Future Perspectives. Cancers (Basel) 2023; 15:cancers15072074. [PMID: 37046734 PMCID: PMC10093725 DOI: 10.3390/cancers15072074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 03/23/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
Gastrointestinal stromal tumors (GISTs) are one of the most common mesenchymal tumors characterized by different molecular alterations that lead to specific clinical presentations and behaviors. In the last twenty years, thanks to the discovery of these mutations, several new treatment options have emerged. This review provides an extensive overview of GISTs’ molecular pathways and their respective tailored therapeutic strategies. Furthermore, current treatment strategies under investigation and future perspectives are analyzed and discussed.
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Affiliation(s)
- Fabio Catalano
- Medical Oncology Unit 1, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Malvina Cremante
- Medical Oncology Unit 1, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Bruna Dalmasso
- Genetica dei Tumori Rari, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Chiara Pirrone
- Medical Oncology Unit 1, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | | | - Massimiliano Grassi
- Medical Oncology Unit 1, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
- Correspondence:
| | - Danila Comandini
- Medical Oncology Unit 1, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
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11
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Lv X, Wang Z, Wang Z, Yin H, Xia Y, Jiang L, Liu Y. Inhibition of human UDP-glucuronosyltransferase enzyme by ripretinib: Implications for drug-drug interactions. Toxicol Appl Pharmacol 2023; 466:116490. [PMID: 36963523 DOI: 10.1016/j.taap.2023.116490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 03/21/2023] [Accepted: 03/21/2023] [Indexed: 03/26/2023]
Abstract
Ripretinib, a tyrosine kinase inhibitor (TKI), is the first FDA approved fourth-line therapy for adults with advanced gastrointestinal stromal tumor (GIST). Studies have shown that several TKIs for treating GIST were potent inhibitors of human UDP- glucosyltransferase (UGTs) enzymes. However, whether ripretinib affects the activity of UGTs remains unclear. The aim of this study was to investigate the effects of ripretinib on major UGT isoforms, as well as to evaluate its potential drug-drug interactions (DDIs) risk caused by the inhibition of UGTs activities. The inhibitory effects and inhibition modes of ripretinib on UGTs were systematically evaluated using high-performance liquid chromatography (HPLC) and enzyme kinetic studies, respectively. Our data showed that ripretinib exhibited potent inhibition against UGT1A1, UGT1A3, UGT1A4, UGT1A7 and UGT1A8. Enzyme kinetic studies indicated that ripretinib was not only a competitive inhibitor of UGT1A1, UGT1A4 and UGT1A7, but also a noncompetitive inhibitor of UGT1A3, as well as a mixed inhibitor of UGT1A8. The prediction results of in vitro-in vivo extrapolation (IVIVE) demonstrated that ripretinib might bring the potential risk of DDIs when combined with substrates of UGT1A1, UGT1A3, UGT1A4, UGT1A7 or UGT1A8. Therefore, special attention should be paid when ripretinib is used in conjunction with other drugs metabolized by UGTs to avoid risk of DDIs in clinic.
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Affiliation(s)
- Xin Lv
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin 124221, China
| | - Zhe Wang
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin 124221, China; Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Zhen Wang
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin 124221, China
| | - Hang Yin
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin 124221, China
| | - Yangliu Xia
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin 124221, China
| | - Lili Jiang
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin 124221, China.
| | - Yong Liu
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin 124221, China.
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12
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Neuropsychiatric Adverse Drug Reactions with Tyrosine Kinase Inhibitors in Gastrointestinal Stromal Tumors: An Analysis from the European Spontaneous Adverse Event Reporting System. Cancers (Basel) 2023; 15:cancers15061851. [PMID: 36980737 PMCID: PMC10046586 DOI: 10.3390/cancers15061851] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/15/2023] [Accepted: 03/18/2023] [Indexed: 03/22/2023] Open
Abstract
Tyrosine kinase inhibitors (TKIs) are widely used in gastrointestinal stromal tumors (GISTs). The aim of this study is to evaluate the reporting frequency of neuropsychiatric adverse drug reactions (ADRs) for TKIs through the analysis of European individual case safety reports (ICSRs). All ICSRs collected in EudraVigilance up to 31 December 2021 with one TKI having GISTs as an indication (imatinib (IM), sunitinib (SU), avapritinib (AVA), regorafenib (REG), and ripretinib (RIP)) were included. A disproportionality analysis was performed to assess the frequency of reporting for each TKI compared to all other TKIs. The number of analyzed ICSRs was 8512, of which 57.9% were related to IM. Neuropsychiatric ADRs were reported at least once in 1511 ICSRs (17.8%). A higher reporting probability of neuropsychiatric ADRs was shown for AVA. Most neuropsychiatric ADRs were known, except for a higher frequency of lumbar spinal cord and nerve root disorders (reporting odds ratio, ROR 4.46; confidence interval, CI 95% 1.58–12.54), olfactory nerve disorders (8.02; 2.44–26.33), and hallucinations (22.96; 8.45–62.36) for AVA. The analyses of European ICSRs largely confirmed the safety profiles of TKIs in GISTs, but some ADRs are worthy of discussion. Further studies are needed to increase the knowledge of the neuropsychiatric disorders of newly approved TKIs.
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13
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Orrico KB. Basic concepts of cancer genetics and receptor tyrosine kinase inhibition for pharmacists. A narrative review. J Oncol Pharm Pract 2023:10781552231153814. [PMID: 36734129 DOI: 10.1177/10781552231153814] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The intent of this review is to present basic genetic concepts key to understanding oncogenesis and the role receptor tyrosine kinase (RTK) inhibition plays in the targeted treatment of many cancer types. Oncogenic signaling by RTKs can result from genetic events such as point mutations, chromosomal rearrangements, structural variation, and gene amplification in the cancer genome. The cancer pharmacogenes discussed encode RTKs that exemplify the link between gene variation, the oncogenic process, and the basis of targeted approaches to treatment. Biochemical pathways often involved in oncogenesis and affected by RTK variation are reviewed. Molecular diagnostic testing for the presence of specific gene variants, alterations, and amplifications direct therapy to indicated tyrosine kinase inhibitors and monoclonal antibody drugs. As pharmacists are integral to the selection, preparation, and monitoring of chemotherapy, it is important that they understand the genetic basis for targeted therapies as well as the underlying disease process.
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Affiliation(s)
- Kathleen B Orrico
- 43166University of California San Francisco School of Pharmacy, Palo Alto, Menlo Park, CA 94025, USA
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14
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Xiao X, Yuan W, Wang C, Song H. A systematic review and network meta-analysis of the efficacy and safety of third-line and over third-line therapy after imatinib and TKI resistance in advanced gastrointestinal stromal tumor. Front Pharmacol 2022; 13:978885. [PMID: 36479203 PMCID: PMC9720279 DOI: 10.3389/fphar.2022.978885] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 10/31/2022] [Indexed: 08/27/2023] Open
Abstract
Tyrosine kinase inhibitors (TKIs) have greatly improved the prognosis of unresectable and metastatic gastrointestinal stromal tumors (GISTs) in the last two decades. Imatinib and sunitinib are recommended as first-line and second-line therapies, respectively. However, there is a lack of precision therapy for refractory GISTs regarding therapy after imatinib and sunitinib. We comprehensively searched electronic databases, including PubMed, EMBASE, Web of Science, Cochrane Library, and ClinicalTrials, from inception to October 2022. Randomized controlled trials featuring comparisons with third-line or over third-line therapies against GISTs were eligible. The primary outcome was progression-free survival (PFS). All network calculations were performed using random effect models, and the ranking of regimens were numerically based on the surface under the cumulative ranking (SUCRA) statistics. A total of seven studies were eligible for inclusion in this network meta-analysis. After analysis, ripretinib was ranked at the top in progression-free survival (PFS), overall survival (OS), and disease control rate (DCR) (SUCRA statistics: 83.1%, 82.5%, and 86.5%, respectively), whereas nilotinib and pimitespib presented better tolerability (SUCRA statistics: 64.9% and 63.8%, respectively). We found that regorafenib seemed more reliable for clinical administration, and ripretinib showed good effectiveness for the over third-line therapy. Precise targeted therapy is a critical direction for the future treatment of GIST, and more high-quality studies of new agents are expected.
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15
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Montoya D, Call JW, Eshak J, Knox P, Luedke M, Kaur S, Rothschild S, Garland M, Scherzer NJ. Barriers to mutational testing in patients with gastrointestinal stromal tumors (GIST) – a survey of life raft group members. BMC Gastroenterol 2022; 22:455. [DOI: 10.1186/s12876-022-02548-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 10/20/2022] [Indexed: 11/16/2022] Open
Abstract
Abstract
Background
Due to the low mutational testing rate in patients with Gastrointestinal Stromal Tumors (GIST), The Life Raft Group (LRG), a non-profit organization that provides support, advocacy and conducts research for patients with GIST, analyzed various factors that may have an impact on patients’ ability to receive mutational testing.
Methods
A survey about mutational testing for patients with GIST or their caregivers, was conducted in June 2020. The survey, sent to 1004 GIST patients and caregivers through email, was promoted through social media with instructions to contact the LRG to participate. The survey was designed by the LRG Patient Registry Department. Members of the LRG, regardless of Patient Registry status, were eligible to participate.
Results
A total of 295 patients/caregivers participated in this study (response rate: 29.4%). The percentage of patients who indicated they had received mutational testing was much higher in this survey (80%) than in the general GIST community (26.7%).
Several reasons were cited for having a test, including: “My doctor ordered/suggested that I have it done” (54%); “The Life Raft Group advised/suggested I have it done” (25%); “I asked my doctor to have it done” (22%); “I had it done as part of a clinical trial” (5%); “I am not sure” (3%) and “Other” (14%). Mutational testing resulted in a treatment change in 25% of cases. Patients were able to select more than one option when completing this question resulting in a percentage greater than 100.
Conclusions
The LRG membership is voluntary and proactive; patients who join are more likely to participate in surveys and mutational testing, as well as more likely to have a GIST specialist. Mutational testing can influence understanding of a patient’s GIST and the treatment best suited to each case. These are extremely important findings, as it helps ensure that patients are on the proper treatment, which should lead to better outcomes.
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16
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Mathias-Machado MC, de Jesus VHF, de Carvalho Oliveira LJ, Neumann M, Peixoto RD. Current Molecular Profile of Gastrointestinal Stromal Tumors and Systemic Therapeutic Implications. Cancers (Basel) 2022; 14:5330. [PMID: 36358751 PMCID: PMC9656487 DOI: 10.3390/cancers14215330] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 07/25/2023] Open
Abstract
Gastrointestinal stromal tumors (GISTs) are malignant mesenchymal tumors arising from the intestinal pacemaker cells of Cajal. They compose a heterogenous group of tumors due to a variety of molecular alterations. The most common gain-of-function mutations in GISTs are either in the KIT (60-70%) or platelet-derived growth factor receptor alpha (PDGFRA) genes (10-15%), which are mutually exclusive. However, a smaller subset, lacking KIT and PDGFRA mutations, is considered wild-type GISTs and presents distinct molecular findings with the activation of different proliferative pathways, structural chromosomal and epigenetic changes, such as inactivation of the NF1 gene, mutations in the succinate dehydrogenase (SDH), BRAF, and RAS genes, and also NTRK fusions. Currently, a molecular evaluation of GISTs is imperative in many scenarios, aiding in treatment decisions from the (neo)adjuvant to the metastatic setting. Here, we review the most recent data on the molecular profile of GISTs and highlight therapeutic implications according to distinct GIST molecular subtypes.
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Affiliation(s)
| | | | | | - Marina Neumann
- Centro Paulista de Oncologia (Oncoclínicas), São Paulo 04538-132, Brazil
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17
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Sandoval-Pérez A, Winger BA, Jacobson MP. Assessing the Activation of Tyrosine Kinase KIT through Free Energy Calculations. J Chem Theory Comput 2022; 18:6251-6258. [PMID: 36166736 PMCID: PMC9558371 DOI: 10.1021/acs.jctc.2c00526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
KIT is a type 3 receptor tyrosine kinase that plays a crucial role in cellular growth and proliferation. Mutations in KIT can dysregulate its active-inactive equilibrium. Activating mutations drive cancer growth, while deactivating mutations result in the loss of skin and hair pigmentation in a disease known as piebaldism. Here, we propose a method based on molecular dynamics and free energy calculations to predict the functional effect of KIT mutations. Our calculations may have important clinical implications by defining the functional significance of previously uncharacterized KIT mutations and guiding targeted therapy.
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Affiliation(s)
- Angélica Sandoval-Pérez
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco 94158, California, United States
| | - Beth Apsel Winger
- Department of Pediatrics, Division of Hematology and Oncology, University of California, San Francisco, San Francisco 94158, California, United States
| | - Matthew P Jacobson
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco 94158, California, United States
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18
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Flick AC, Leverett CA, Ding HX, McInturff EL, Fink SJ, Mahapatra S, Carney DW, Lindsey EA, DeForest JC, France SP, Berritt S, Bigi-Botterill SV, Gibson TS, Watson RB, Liu Y, O'Donnell CJ. Synthetic Approaches to the New Drugs Approved During 2020. J Med Chem 2022; 65:9607-9661. [PMID: 35833579 DOI: 10.1021/acs.jmedchem.2c00710] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
New drugs introduced to the market are privileged structures that have affinities for biological targets implicated in human diseases and conditions. These new chemical entities (NCEs), particularly small molecules and antibody-drug conjugates (ADCs), provide insight into molecular recognition and simultaneously function as leads for the design of future medicines. This Review is part of a continuing series presenting the most likely process-scale synthetic approaches to 44 new chemical entities approved for the first time anywhere in the world during 2020.
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Affiliation(s)
- Andrew C Flick
- Takeda Pharmaceuticals, 9625 Towne Centre Drive, San Diego, California 92121, United States
| | - Carolyn A Leverett
- Pfizer Worldwide Research and Development, Groton Laboratories, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Hong X Ding
- Pharmacodia (Beijing) Co. Ltd., Beijing 100085, China
| | - Emma L McInturff
- Pfizer Worldwide Research and Development, Groton Laboratories, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Sarah J Fink
- Takeda Pharmaceuticals, 125 Binney Street, Cambridge, Massachusetts 02142, United States
| | - Subham Mahapatra
- Pfizer Worldwide Research and Development, Groton Laboratories, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Daniel W Carney
- Takeda Pharmaceuticals, 9625 Towne Centre Drive, San Diego, California 92121, United States
| | - Erick A Lindsey
- Takeda Pharmaceuticals, 9625 Towne Centre Drive, San Diego, California 92121, United States
| | - Jacob C DeForest
- Pfizer Worldwide Research and Development, La Jolla Laboratories, 10777 Science Center Drive, San Diego, California 92121, United States
| | - Scott P France
- Pfizer Worldwide Research and Development, Groton Laboratories, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Simon Berritt
- Pfizer Worldwide Research and Development, Groton Laboratories, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | | | - Tony S Gibson
- Takeda Pharmaceuticals, 9625 Towne Centre Drive, San Diego, California 92121, United States
| | - Rebecca B Watson
- Pfizer Worldwide Research and Development, La Jolla Laboratories, 10777 Science Center Drive, San Diego, California 92121, United States
| | - Yiyang Liu
- Pfizer Worldwide Research and Development, Groton Laboratories, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Christopher J O'Donnell
- Pfizer Worldwide Research and Development, Groton Laboratories, 445 Eastern Point Road, Groton, Connecticut 06340, United States
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19
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Zou X, Tang XY, Qu ZY, Sun ZW, Ji CF, Li YJ, Guo SD. Targeting the PDGF/PDGFR signaling pathway for cancer therapy: A review. Int J Biol Macromol 2022; 202:539-557. [PMID: 35074329 DOI: 10.1016/j.ijbiomac.2022.01.113] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 01/16/2022] [Accepted: 01/18/2022] [Indexed: 02/06/2023]
Abstract
Platelet-derived growth factors (PDGFs) and PDGF receptors (PDGFRs) are expressed in a variety of tumors. Activation of the PDGF/PDGFR signaling pathway is associated with cancer proliferation, metastasis, invasion, and angiogenesis through modulating multiple downstream pathways, including phosphatidylinositol 3 kinase/protein kinase B pathway and mitogen-activated protein kinase/extracellular signal-regulated kinase pathway. Therefore, targeting PDGF/PDGFR signaling pathway has been demonstrated to be an effective strategy for cancer therapy, and accordingly, some great progress has been made in this field in the past few decades. This review will focus on the PDGF isoforms and their binding with the related PDGFRs, the PDGF/PDGFR signaling and regulation, and especially present strategies and inhibitors developed for cancer therapy, and the related clinical benefits and side effects.
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Affiliation(s)
- Xiang Zou
- Engineering Research Center of Natural Antineoplastic Drugs, Ministry of Education, Harbin University of Commerce, 150076, China
| | - Xi-Yu Tang
- Engineering Research Center of Natural Antineoplastic Drugs, Ministry of Education, Harbin University of Commerce, 150076, China
| | - Zhong-Yuan Qu
- School of Pharmacy, Harbin University of Commerce, Harbin 150076, China.
| | - Zhi-Wei Sun
- School of Pharmacy, Harbin University of Commerce, Harbin 150076, China
| | - Chen-Feng Ji
- Engineering Research Center of Natural Antineoplastic Drugs, Ministry of Education, Harbin University of Commerce, 150076, China
| | - Yan-Jie Li
- Institute of lipid metabolism and Atherosclerosis, School of Pharmacy, Weifang Medical University, Weifang 261053, China.
| | - Shou-Dong Guo
- Engineering Research Center of Natural Antineoplastic Drugs, Ministry of Education, Harbin University of Commerce, 150076, China; School of Pharmacy, Harbin University of Commerce, Harbin 150076, China; Institute of lipid metabolism and Atherosclerosis, School of Pharmacy, Weifang Medical University, Weifang 261053, China.
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20
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Abstract
Gastrointestinal stromal tumours (GISTs) are the most common gastrointestinal tract mesenchymal tumours. Tyrosine kinase inhibitors (TKIs) have transformed the management of advanced GIST. Imatinib was the first TKI to gain approval as management for patients with advanced GIST, establishing a new standard of care. Since then, as a result of several trials including the GRID and INVICTUS studies, we now have five lines of approved targeted therapy, including imatinib, sunitinib, regorafenib, ripretinib and avapritinib for the treatment of unresectable, advanced GISTs. In this review, the Australasian Gastrointestinal Trials Group (AGITG) provide an overview of the key trials that have changed clinical practice, discuss the molecular drivers of GISTs, the importance of molecular testing and directing therapy according to molecular targets, as well as future strategies in the management of advanced GISTs.
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21
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Huang S, Guo X, Xia Y, Ding L, Zhai E, Chen S, He Y, Cai S, Zhang X. Genotyping guided ripretinib directly after the progression of first-line imatinib therapy in advanced gastrointestinal stromal tumor: a case report. ANNALS OF TRANSLATIONAL MEDICINE 2022; 10:118. [PMID: 35282043 PMCID: PMC8848389 DOI: 10.21037/atm-21-6960] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 01/18/2022] [Indexed: 12/12/2022]
Abstract
Gastrointestinal stromal tumor (GIST) is the most common mesenchymal tumor of the gastrointestinal tract. Surgery and tyrosine kinase inhibitor (TKI) therapy are the main choices of treatment. However, the long-term use of TKIs is prone to drug resistance. Herein, we report the case of a 47-year-old female with primary gastric GIST with liver metastases since June 2015. The patient achieved disease control under imatinib therapy and underwent primary lesion resection. She took postoperative imatinib maintenance therapy, but discontinued imatinib for 10 months about 2 years after surgery. The patient suffered from disease progression in May 2019, with recurrence of liver metastases and new abdominal metastases. From then on, imatinib was resumed and partial response (PR) persisted for another 2 years. The patient subsequently experienced tumor progression due to secondary KIT exon 17 mutation confirmed by tissue biopsy and circulating tumor DNA (ctDNA) detection. After multidisciplinary team discussion, the patient received ripretinib as a second-line therapy, and ctDNA monitoring demonstrated that the KIT mutations turned negative. After disease control from ripretinib for 2+ months, she underwent cytoreductive surgery (R0/1) and received ripretinib maintenance treatment postoperatively. We believe that this case provides a reference value for individualized ripretinib precise therapy according to mutational analysis after the progression of first-line GIST treatment, and ctDNA can predict effectiveness to guide treatment.
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Affiliation(s)
- Shaoqing Huang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xiaodan Guo
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yanzhe Xia
- Department of Pharmacy, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Li Ding
- Department of Pathology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Ertao Zhai
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Sile Chen
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yulong He
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Shirong Cai
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xinhua Zhang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
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22
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Wang HJ, Zhou CY, Su YD, Gou KF, Geng XN, Qiu XJ. The Pharmacokinetic Effect of Itraconazole and Voriconazole on Ripretinib in Beagle Dogs by UPLC-MS/MS Technique. Drug Des Devel Ther 2021; 15:4865-4873. [PMID: 34876808 PMCID: PMC8643159 DOI: 10.2147/dddt.s337864] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Accepted: 11/17/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND A new UPLC-MS/MS technique for the determination of ripretinib in beagle dog plasma was developed, and the pharmacokinetic effects of voriconazole and itraconazole on ripretinib in beagle dogs were studied. METHODS After extraction with ethyl acetate under alkaline conditions, ripretinib was detected using avapritinib as the internal standard (IS). The mobile phases were 0.1% formic acid-acetonitrile. The scanning method was multi-reaction monitoring using ESI+ source, and the ion pairs for ripretinib and IS were m/z 509.93→416.85 and 499.1→482.09, respectively. This animal experiment adopted a three period self-control experimental design. In the first period, ripretinib was orally administered to six beagle dogs at a dose of 5 mg/kg. In the second period, the same six beagle dogs were orally given itraconazole at a dose of 7 mg/kg, after 30 min, ripretinib was orally given. In the third period, voriconazole at a dose of 7 mg/kg was given orally, and then ripretinib was orally given. At different time points, the blood samples were collected. The concentration of ripretinib was detected, and the pharmacokinetic parameters of ripretinib were calculated. RESULTS Ripretinib had a good linear relationship in the range of 1-1000 ng/mL. The precision, accuracy, recovery, matrix effect and stability met the requirements of the guiding principles. After erdafitinib combined with itraconazole, the Cmax and AUC0→t of ripretinib increased by 38.35% and 36.36%, respectively, and the t1/2 was prolonged to 7.53 h. After ripretinib combined with voriconazole, the Cmax and AUC0→t of ripretinib increased by 37.44% and 25.52%, respectively, and the t1/2 was prolonged to 7.33 h. CONCLUSION A new and reliable UPLC-MS/MS technique was fully optimized and developed to detect the concentration of ripretinib in beagle dog plasma. Itraconazole and voriconazole could inhibit the metabolism of ripretinib in beagle dogs and increase the plasma exposure of ripretinib.
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Affiliation(s)
- Hui-jun Wang
- Department of Pharmacy, School of Basic Medical Sciences, Henan University of Science and Technology, Luoyang, 471023, People’s Republic of China
| | - Chun-yan Zhou
- Department of Pharmacy, School of Basic Medical Sciences, Henan University of Science and Technology, Luoyang, 471023, People’s Republic of China
| | - Yan-ding Su
- Department of Pharmacy, School of Basic Medical Sciences, Henan University of Science and Technology, Luoyang, 471023, People’s Republic of China
| | - Kai-feng Gou
- Department of Pharmacy, School of Basic Medical Sciences, Henan University of Science and Technology, Luoyang, 471023, People’s Republic of China
| | - Xiao-nan Geng
- Department of Pharmacy, School of Basic Medical Sciences, Henan University of Science and Technology, Luoyang, 471023, People’s Republic of China
| | - Xiang-jun Qiu
- Department of Pharmacy, School of Basic Medical Sciences, Henan University of Science and Technology, Luoyang, 471023, People’s Republic of China
- Functional Experiment Teaching Center, School of Basic Medical Sciences, Henan University of Science and Technology, Luoyang, 471023, People’s Republic of China
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23
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Dermawan JK, Rubin BP. Molecular Pathogenesis of Gastrointestinal Stromal Tumor: A Paradigm for Personalized Medicine. ANNUAL REVIEW OF PATHOLOGY-MECHANISMS OF DISEASE 2021; 17:323-344. [PMID: 34736340 DOI: 10.1146/annurev-pathol-042220-021510] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Over the past three to four decades, the molecular pathogenesis of gastrointestinal stromal tumors (GISTs) has been elucidated in great detail. In this review, we discuss the biological genesis of GISTs, identification of the various primary activating driver mutations (focusing on KIT and PDGFRA), oncogene addiction and targeted therapies with imatinib and other tyrosine kinase inhibitors, and the subsequent characterization of the various mechanisms of drug resistance. We illustrate how GIST has become a quintessential paradigm for personalized medicine. Expected final online publication date for the Annual Review of Pathology: Mechanisms of Disease, Volume 17 is January 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Josephine K Dermawan
- Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, Ohio 44195, USA; ,
| | - Brian P Rubin
- Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, Ohio 44195, USA; ,
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24
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Zalcberg JR, Heinrich MC, George S, Bauer S, Schöffski P, Serrano C, Gelderblom H, Jones RL, Attia S, D'Amato G, Chi P, Reichardt P, Somaiah N, Meade J, Reichert V, Shi K, Sherman ML, Ruiz-Soto R, von Mehren M, Blay JY. Clinical Benefit of Ripretinib Dose Escalation After Disease Progression in Advanced Gastrointestinal Stromal Tumor: An Analysis of the INVICTUS Study. Oncologist 2021; 26:e2053-e2060. [PMID: 34313371 PMCID: PMC8571742 DOI: 10.1002/onco.13917] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 07/20/2021] [Indexed: 12/16/2022] Open
Abstract
Background Ripretinib 150 mg once daily (QD) is indicated for advanced gastrointestinal stromal tumors (GISTs) as at least fourth‐line therapy. In INVICTUS, ripretinib intrapatient dose escalation (IPDE) to 150 mg b.i.d. was allowed after progressive disease (PD) on 150 mg QD by blinded independent central review using modified RECIST 1.1. We report the efficacy and safety of ripretinib IPDE to 150 mg b.i.d. after PD among patients randomized to ripretinib 150 mg QD in the INVICTUS study. Materials and Methods Tumor imaging was performed every 28‐day cycle for the first four cycles in the ripretinib 150 mg QD period and then every other cycle, including the 150 mg b.i.d. period. Among the ripretinib IPDE patients, progression‐free survival (PFS)1 was the time from randomization until PD; PFS2 was the time from the first dose of ripretinib 150 mg b.i.d. to PD or death. Results Among 43 ripretinib IPDE patients, median PFS1 was 4.6 months (95% confidence interval [CI], 2.7–6.4) and median PFS2 was 3.7 months (95% CI, 3.1–5.3). Median overall survival was 18.4 months (95% CI, 14.5–not estimable). Ripretinib 150 mg b.i.d. (median duration of treatment 3.7 months) was well tolerated with new or worsening grade 3–4 treatment‐emergent adverse events (TEAEs) of anemia in six (14%) and abdominal pain in three (7%) patients. Ripretinib 150 mg b.i.d. was discontinued because of TEAEs in seven (16%) patients. Conclusion Ripretinib 150 mg b.i.d. after PD on 150 mg QD may provide additional clinically meaningful benefit with an acceptable safety profile in patients with at least fourth‐line GISTs. Implications for Practice Of the 85 patients with advanced gastrointestinal stromal tumor having received at least three prior anticancer therapies randomized to ripretinib 150 mg once daily (QD) in the phase III INVICTUS study, 43 underwent ripretinib intrapatient dose escalation (IPDE) to 150 mg b.i.d. after progressive disease (PD). Median progression‐free survival was 4.6 months before and 3.7 months after ripretinib IPDE. The safety profile of ripretinib 150 mg b.i.d. was acceptable. These findings indicate ripretinib IPDE to 150 mg b.i.d. may provide additional clinical benefit in patients with PD on ripretinib 150 mg QD, for whom limited treatment options exist. This article presents further results from the INVICTUS study, focusing on patients who received ripretinib 150 mg QD who received intrapatient dose escalation to 150 mg b.i.d. after progressive disease.
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Affiliation(s)
- John R Zalcberg
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia.,Department of Medical Oncology, The Alfred Hospital, Melbourne, Australia
| | - Michael C Heinrich
- Portland VA Healthcare System and OHSU Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon, USA
| | - Suzanne George
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Sebastian Bauer
- Department of Medical Oncology, Sarcoma Center, West German Cancer Center, Essen, Germany
| | - Patrick Schöffski
- University Hospitals Leuven, Department of General Medical Oncology, Leuven Cancer Institute, KU Leuven, Leuven, Belgium
| | - César Serrano
- Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | | | - Robin L Jones
- Royal Marsden and Institute of Cancer Research, London, United Kingdom
| | | | - Gina D'Amato
- Sylvester Comprehensive Cancer Center, University of Miami, Miami, Florida, USA
| | - Ping Chi
- Memorial Sloan Kettering Cancer Center & Weill Cornell Medicine, New York, New York, USA
| | - Peter Reichardt
- Sarcoma Center, Helios Klinikum Berlin-Buch, Berlin, Germany
| | - Neeta Somaiah
- The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Julie Meade
- Deciphera Pharmaceuticals, LLC, Waltham, Massachusetts, USA
| | | | - Kelvin Shi
- Deciphera Pharmaceuticals, LLC, Waltham, Massachusetts, USA
| | | | | | | | - Jean-Yves Blay
- Centre Léon Bérard & Université Claude Bernard, Lyon, France
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