Neoadjuvant Culmerciclib Combined With Endocrine Therapy for Hormone Receptor-Positive， Human Epidermal Growth Factor Receptor 2-Negative Breast Cancer

Summary

This is a single-center, open-label, randomized phase II clinical trial designed to evaluate the efficacy and safety of neoadjuvant Culmerciclib combined with aromatase inhibitor versus aromatase-inhibitor monotherapy in patients with Hormone Receptor-positive, Human Epidermal Growth Factor Receptor 2-negative early-stage breast cancer.

Timeline

Start

2026-09-14

Primary completion

2028-09-15

Completion

2033-03-15

Publications

• Results Song E, Yin Y, Zhao J, et al. LBA25 Culmerciclib plus fulvestrant as first-line treatment for HR+/HER2- advanced breast cancer: A phase III trial (CULMINATE-2). Annals of Oncology. 2025;36:S1569-S1570
• Results Yin Y, Zhang Q, Sun T, Hao C, Wang Z, Yang J, Wang Y, Shi Y, Sun J, Ouyang Q, Su H, Wu J, Gan L, Han M, Gao L, Wang X, Zhao B, Li H, Zhao J, Yang H, Ning F, Tian F, Zhang J, Sun H, Niu Z, Zong H, Zang A, Wang X, Qian X, Wu S, Nie J, He L, Cheng Y, Hao Y, Zhai Y, Li H, Wang J, Wei S, Li M, Liu Y, Guo H, Hu Q, Liu L, Han X, Luo R, Ni M, Tang X, Zhai Z, Ding M, Wang H, Shen P, Wang X, Liu L, Chen W, Liu G, Cai Z, Jiang Z. Novel CDK2/4/6 inhibitor culmerciclib (TQB3616) plus fulvestrant in previously treated, HR-positive, HER2-negative advanced breast cancer: a randomized, double-blind, phase 3 trial. Signal Transduct Target Ther. 2025 Dec 18;10(1):414. doi: 10.1038/s41392-025-02475-6.
• Results Korde LA, Somerfield MR, Carey LA, Crews JR, Denduluri N, Hwang ES, Khan SA, Loibl S, Morris EA, Perez A, Regan MM, Spears PA, Sudheendra PK, Symmans WF, Yung RL, Harvey BE, Hershman DL. Neoadjuvant Chemotherapy, Endocrine Therapy, and Targeted Therapy for Breast Cancer: ASCO Guideline. J Clin Oncol. 2021 May 1;39(13):1485-1505. doi: 10.1200/JCO.20.03399. Epub 2021 Jan 28.
• Results Jiang Z, Li J, Chen J, Liu Y, Wang K, Nie J, Wang X, Hao C, Yin Y, Wang S, Yan M, Wang T, Yan Y, Chen X, Song E; CSCO BC guideline working group. Chinese Society of Clinical Oncology (CSCO) Breast Cancer Guidelines 2022. Transl Breast Cancer Res. 2022 Apr 30;3:13. doi: 10.21037/tbcr-22-21. eCollection 2022.
• Results Delaloge S, Dureau S, D'Hondt V, Desmoulins I, Heudel PE, Duhoux FP, Levy C, Lerebours F, Mouret-Reynier MA, Dalenc F, Frenel JS, Jouannaud C, Venat-Bouvet L, Nguyen S, Callens C, Gentien D, Rapinat A, Manduzio H, Vincent-Salomon A, Lemonnier J, Cottu P; French Breast cancer Intergroup Unicancer-UCBG. Survival outcomes after neoadjuvant letrozole and palbociclib versus third generation chemotherapy for patients with high-risk oestrogen receptor-positive HER2-negative breast cancer. Eur J Cancer. 2022 May;166:300-308. doi: 10.1016/j.ejca.2022.01.014. Epub 2022 Mar 22.
• Results Wallden B, Storhoff J, Nielsen T, Dowidar N, Schaper C, Ferree S, Liu S, Leung S, Geiss G, Snider J, Vickery T, Davies SR, Mardis ER, Gnant M, Sestak I, Ellis MJ, Perou CM, Bernard PS, Parker JS. Development and verification of the PAM50-based Prosigna breast cancer gene signature assay. BMC Med Genomics. 2015 Aug 22;8:54. doi: 10.1186/s12920-015-0129-6.
• Results Prat A, Saura C, Pascual T, Hernando C, Munoz M, Pare L, Gonzalez Farre B, Fernandez PL, Galvan P, Chic N, Gonzalez Farre X, Oliveira M, Gil-Gil M, Arumi M, Ferrer N, Montano A, Izarzugaza Y, Llombart-Cussac A, Bratos R, Gonzalez Santiago S, Martinez E, Hoyos S, Rojas B, Virizuela JA, Ortega V, Lopez R, Celiz P, Ciruelos E, Villagrasa P, Gavila J. Ribociclib plus letrozole versus chemotherapy for postmenopausal women with hormone receptor-positive, HER2-negative, luminal B breast cancer (CORALLEEN): an open-label, multicentre, randomised, phase 2 trial. Lancet Oncol. 2020 Jan;21(1):33-43. doi: 10.1016/S1470-2045(19)30786-7. Epub 2019 Dec 11.
• Results Cottu P, D'Hondt V, Dureau S, Lerebours F, Desmoulins I, Heudel PE, Duhoux FP, Levy C, Mouret-Reynier MA, Dalenc F, Frenel JS, Jouannaud C, Venat-Bouvet L, Nguyen S, Ferrero JM, Canon JL, Grenier J, Callens C, Gentien D, Lemonnier J, Vincent-Salomon A, Delaloge S. Letrozole and palbociclib versus chemotherapy as neoadjuvant therapy of high-risk luminal breast cancer. Ann Oncol. 2018 Dec 1;29(12):2334-2340. doi: 10.1093/annonc/mdy448.
• Results Yau C, Osdoit M, van der Noordaa M, Shad S, Wei J, de Croze D, Hamy AS, Lae M, Reyal F, Sonke GS, Steenbruggen TG, van Seijen M, Wesseling J, Martin M, Del Monte-Millan M, Lopez-Tarruella S; I-SPY 2 Trial Consortium; Boughey JC, Goetz MP, Hoskin T, Gould R, Valero V, Edge SB, Abraham JE, Bartlett JMS, Caldas C, Dunn J, Earl H, Hayward L, Hiller L, Provenzano E, Sammut SJ, Thomas JS, Cameron D, Graham A, Hall P, Mackintosh L, Fan F, Godwin AK, Schwensen K, Sharma P, DeMichele AM, Cole K, Pusztai L, Kim MO, van 't Veer LJ, Esserman LJ, Symmans WF. Residual cancer burden after neoadjuvant chemotherapy and long-term survival outcomes in breast cancer: a multicentre pooled analysis of 5161 patients. Lancet Oncol. 2022 Jan;23(1):149-160. doi: 10.1016/S1470-2045(21)00589-1. Epub 2021 Dec 11.
• Results Symmans WF, Wei C, Gould R, Yu X, Zhang Y, Liu M, Walls A, Bousamra A, Ramineni M, Sinn B, Hunt K, Buchholz TA, Valero V, Buzdar AU, Yang W, Brewster AM, Moulder S, Pusztai L, Hatzis C, Hortobagyi GN. Long-Term Prognostic Risk After Neoadjuvant Chemotherapy Associated With Residual Cancer Burden and Breast Cancer Subtype. J Clin Oncol. 2017 Apr 1;35(10):1049-1060. doi: 10.1200/JCO.2015.63.1010. Epub 2017 Jan 30.
• Results Kaufmann M, Hortobagyi GN, Goldhirsch A, Scholl S, Makris A, Valagussa P, Blohmer JU, Eiermann W, Jackesz R, Jonat W, Lebeau A, Loibl S, Miller W, Seeber S, Semiglazov V, Smith R, Souchon R, Stearns V, Untch M, von Minckwitz G. Recommendations from an international expert panel on the use of neoadjuvant (primary) systemic treatment of operable breast cancer: an update. J Clin Oncol. 2006 Apr 20;24(12):1940-9. doi: 10.1200/JCO.2005.02.6187.
• Results Cortazar P, Zhang L, Untch M, Mehta K, Costantino JP, Wolmark N, Bonnefoi H, Cameron D, Gianni L, Valagussa P, Swain SM, Prowell T, Loibl S, Wickerham DL, Bogaerts J, Baselga J, Perou C, Blumenthal G, Blohmer J, Mamounas EP, Bergh J, Semiglazov V, Justice R, Eidtmann H, Paik S, Piccart M, Sridhara R, Fasching PA, Slaets L, Tang S, Gerber B, Geyer CE Jr, Pazdur R, Ditsch N, Rastogi P, Eiermann W, von Minckwitz G. Pathological complete response and long-term clinical benefit in breast cancer: the CTNeoBC pooled analysis. Lancet. 2014 Jul 12;384(9938):164-72. doi: 10.1016/S0140-6736(13)62422-8. Epub 2014 Feb 14.
• Results Berruti A, Brizzi MP, Generali D, Ardine M, Dogliotti L, Bruzzi P, Bottini A. Presurgical systemic treatment of nonmetastatic breast cancer: facts and open questions. Oncologist. 2008 Nov;13(11):1137-48. doi: 10.1634/theoncologist.2008-0162. Epub 2008 Nov 7.
• Results Peiffer DS, Zhao F, Chen N, Hahn OM, Nanda R, Olopade OI, Huo D, Howard FM. Clinicopathologic Characteristics and Prognosis of ERBB2-Low Breast Cancer Among Patients in the National Cancer Database. JAMA Oncol. 2023 Apr 1;9(4):500-510. doi: 10.1001/jamaoncol.2022.7476.
• Results Tarantino P, Hamilton E, Tolaney SM, Cortes J, Morganti S, Ferraro E, Marra A, Viale G, Trapani D, Cardoso F, Penault-Llorca F, Viale G, Andre F, Curigliano G. HER2-Low Breast Cancer: Pathological and Clinical Landscape. J Clin Oncol. 2020 Jun 10;38(17):1951-1962. doi: 10.1200/JCO.19.02488. Epub 2020 Apr 24. No abstract available.
• Results Siegel RL, Miller KD, Fuchs HE, Jemal A. Cancer statistics, 2022. CA Cancer J Clin. 2022 Jan;72(1):7-33. doi: 10.3322/caac.21708. Epub 2022 Jan 12.

Drugs

Indications