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Nishikawa T, Hasegawa K, Matsumoto K, Mori M, Hirashima Y, Takehara K, Ariyoshi K, Kato T, Yagishita S, Hamada A, Kawasaki M, Kawashima S, Tomatsuri S, Nagasaka Y, Yoshida H, Machida R, Hirakawa A, Nakamura K, Yonemori K. Trastuzumab Deruxtecan for Human Epidermal Growth Factor Receptor 2-Expressing Advanced or Recurrent Uterine Carcinosarcoma (NCCH1615): The STATICE Trial. J Clin Oncol 2023; 41:2789-2799. [PMID: 36977309 PMCID: PMC10414746 DOI: 10.1200/jco.22.02558] [Citation(s) in RCA: 32] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Accepted: 02/01/2023] [Indexed: 03/30/2023] Open
Abstract
PURPOSE To investigate the efficacy and safety of trastuzumab deruxtecan, an antibody-drug conjugate targeting human epidermal growth factor receptor 2 (HER2) with a topoisomerase I inhibitor payload, in patients with uterine carcinosarcoma (UCS) expressing HER2. PATIENTS AND METHODS Patients with recurrent UCS with HER2 immunohistochemistry scores ≥1+ previously treated with chemotherapy were included. Patients were assigned to the HER2-high (immunohistochemistry score ≥2+; n = 22) or low (immunohistochemistry score of 1+; n = 10) groups for primary and exploratory analyses, respectively. Trastuzumab deruxtecan 6.4 or 5.4 mg/kg was administered intravenously once every 3 weeks until unacceptable toxicity or disease progression. Dose modification was based on the updated recommended phase II dose for breast cancer to be 5.4 mg/kg. The primary end point was the objective response rate by central review in the HER2-high group. Secondary end points included the overall response rate (ORR) in the HER2-high group by investigator assessment, ORR in the HER2-low group, progression-free survival (PFS), overall survival (OS), and safety. RESULTS The ORR by central review in the HER2-high and HER2-low groups were 54.5% (95% CI, 32.2 to 75.6) and 70.0% (95% CI, 34.8 to 93.3) and those by investigator assessments were 68.2% and 60.0%, respectively. The median PFS and OS in the HER2-high and HER2-low groups were 6.2 and 13.3 months and 6.7 months and not reached, respectively. Grade ≥ 3 adverse events occurred in 20 patients (61%). Grades 1-2 and 3 pneumonitis/interstitial lung disease occurred in eight (24%) and one (3%) patient, respectively. CONCLUSION Trastuzumab deruxtecan has efficacy in patients with UCS, regardless of HER2 status. The safety profile was generally consistent with that previously reported. Toxicities were manageable with appropriate monitoring and treatment.
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Affiliation(s)
- Tadaaki Nishikawa
- Department of Medical Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Kosei Hasegawa
- Department of Gynecologic Oncology, Saitama Medical University International Medical Center, Saitama, Japan
| | - Koji Matsumoto
- Medical Oncology Division, Ambulatory Chemotherapy Center, Hyogo Cancer Center, Hyogo, Japan
| | - Masahiko Mori
- Department of Gynecologic Oncology, Aichi Cancer Center Hospital, Aichi, Japan
| | | | - Kazuhiro Takehara
- Department of Gynecologic Oncology, National Hospital Organization Shikoku Cancer Center, Ehime, Japan
| | - Kazuya Ariyoshi
- Gynecology Service, National Hospital Organization Kyushu Cancer Center, Fukuoka, Japan
| | - Tomoyasu Kato
- Department of Gynecologic Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Shigehiro Yagishita
- Division of Molecular Pharmacology, National Cancer Center Research Institute, Tokyo, Japan
| | - Akinobu Hamada
- Division of Molecular Pharmacology, National Cancer Center Research Institute, Tokyo, Japan
| | - Mamiko Kawasaki
- Clinical Research Support Office, National Cancer Center Hospital, Tokyo, Japan
| | - Satoshi Kawashima
- Clinical Research Support Office, National Cancer Center Hospital, Tokyo, Japan
| | - Sawako Tomatsuri
- Clinical Research Support Office, National Cancer Center Hospital, Tokyo, Japan
| | - Yukari Nagasaka
- Clinical Research Support Office, National Cancer Center Hospital, Tokyo, Japan
| | - Hiroshi Yoshida
- Department of Diagnostic Pathology, National Cancer Center Hospital, Tokyo, Japan
| | - Ryunosuke Machida
- Biostatistics Division, Center for Research Administration and Support, National Cancer Center Hospital, Tokyo, Japan
| | - Akihiro Hirakawa
- Department of Clinical Biostatistics, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kenichi Nakamura
- Clinical Research Support Office, National Cancer Center Hospital, Tokyo, Japan
| | - Kan Yonemori
- Department of Medical Oncology, National Cancer Center Hospital, Tokyo, Japan
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Ueno M, Morizane C, Ikeda M, Ozaka M, Nagashima F, Kataoka T, Mizusawa J, Ohba A, Kobayashi S, Imaoka H, Kasuga A, Okano N, Nagasaka Y, K. Kurishita, Tomatsuri S, Sasaki M, Shibata T, Nakamura K, Furuse J, Okusaka T. 64P Phase I/II study of nivolumab plus lenvatinib for advanced biliary tract cancer (JCOG1808/NCCH1817, SNIPE). Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Arakawa A, Ozawa H, Hirakawa A, Sadachi R, Hoshina Y, Tomatsuri S, Saito Y, Ando RM, Terashima K, Nakamura K, Ogawa C. Trial in progress: A phase I trial of dual EZH 1/2 inhibitor valemetostat tosylate (DS-3201b) in pediatric, adolescent, and young adult patients with malignant solid tumors. J Clin Oncol 2022. [DOI: 10.1200/jco.2022.40.16_suppl.tps10059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
TPS10059 Background: Enhancer of zeste homolog enzymes (EZH1 and EZH2) form parts of the polycomb repressive complex 2 and regulate gene expression by catalyzing the tri-methylation of lysine 27 residue of histone H3. SMARCB1/INI1 is one of the core components of the SWI/SNF chromatin remodeling complex, with the loss of SMARCB1/INI1 causing the oncogenic activation of EZH2 and EZH1. The inhibition of EZH2 or both EZH2 and EZH1 can be effective against various hematological malignancies and SMARCB1/INI1-deficient solid tumors. Valemetostat tosylate (DS-3201b; valemetostat) is a potential first-in-class dual inhibitor of EZH1 and EZH2 that targets epigenetic regulations by inhibiting both EZH1 and EZH2 enzymes. A phase 2 single-arm study showed that valemetostat demonstrated promising response rates in Japanese patients with relapsed or refractory adult T-cell leukemia/lymphoma (Yoshimitsu M et al., presented at ASH Annual Meeting, 2021). Tumors characterized by SMARCB1/INI1 deficiency (a SWI/SNF mutation), such as malignant rhabdoid tumors, epithelioid sarcoma, or synovial sarcoma are quite frequently observed during childhood and adolescence, among whom valemetostat is expected to show antitumor effects. Methods: This open-label multi-center phase I trial evaluates the safety and efficacy of valemetostat in pediatric, adolescent, and young adult patients with refractory/relapsed solid tumors. The inclusion criteria are relapsed, refractory, or progressive metastatic disease; >3 and <19 years of age during the dose escalation cohort and < 29 years of age in the expanded cohort; performance status of >50 (assessed by Karnofsky Performance score in patients >16 years old, and Lansky Performance score in patients <15 years old); and adequate organ function. Valemetostat is administered orally once a day without interruption. Three dose levels (150, 200, and 250 mg/1.7 m2) are assessed using a 3+3 design during the dose escalation cohort. After determining the recommended phase 2 dose (RP2D) during dose escalation cohort, up to 30 patients will be further enrolled, and the safety and efficacy data of valemetostat are determined in the expanded cohort. The primary endpoint is the incidence of dose limiting toxicity, whereas the secondary endpoints include safety, pharmacokinetics, overall response rate, progression-free survival. The overall response rate of the tumors with SMARCB1/INI1 deficiency or SWI/SNF mutation is also evaluated as a secondary endpoint. Exploratory endpoint includes overall survival. Enrollment into this trial began in March 2020, and enrollment into the dose escalation cohort was completed. Enrollment into the expanded cohort began in November 2021. Clinical Trial Information: jRCT2031190268.
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Affiliation(s)
- Ayumu Arakawa
- Department of Pediatric Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Hitoshi Ozawa
- Clinical Research Support Office, National Cancer Center Hospital, Tokyo, Japan
| | - Akihiro Hirakawa
- Department of Clinical Biostatistics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Ryo Sadachi
- Clinical Research Support Office, National Cancer Center Hospital, Tokyo, Japan
| | - Yukari Hoshina
- Clinical Research Support Office, National Cancer Center Hospital, Tokyo, Japan
| | - Sawako Tomatsuri
- Clinical Research Support Office, National Cancer Center Hospital, Tokyo, Japan
| | - Yoshimasa Saito
- Department of Pharmacy, National Cancer Center Hospital, Tokyo, Japan
| | | | - Keita Terashima
- Division of Neuro-Oncology, Children's Cancer Center, National Center for Child Health and Development, Tokyo, Japan
| | - Kenichi Nakamura
- Clinical Research Support Office, National Cancer Center Hospital, Tokyo, Japan
| | - Chitose Ogawa
- Department of Pediatric Oncology, National Cancer Hospital, Tokyo, Japan
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Hasegawa K, Nishikawa T, Hirakawa A, Kawasaki M, Tomatsuri S, Nagasaka Y, Nakamura K, Matsumoto K, Mori M, Hirashima Y, Takehara K, Ariyoshi K, Kato T, Yagishita S, Hamada A, Yoshida H, Yonemori K. 813P Efficacy and safety of trastuzumab deruxtecan in HER2-expressing uterine carcinosarcoma (STATICE trial, NCCH1615): A multicenter, phase II clinical trial. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1255] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Kojima Y, Shimizu T, Yonemori K, Koyama T, Matsui N, Kamikura M, Tomatsuri S, Okuma H, Shimoi T, Noguchi E, Sudo K, Hirakawa A, Sadachi R, Okita N, Nakamura K, Yamamoto N, Fujiwara Y. 1521O A phase II biomarker-driven study evaluating the clinical efficacy of an MDM2 inhibitor, milademetan, in patients with intimal sarcoma, an ultra-rare cancer with highly life-threatening unmet medical needs (NCCH1806/MK004). Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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