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    DRUG:

    anastrozole

    Company:
    Generic mfg.
    Drug class:
    Aromatase inhibitor
    Related drugs:
    5d
    EMBER-4: A Study of Imlunestrant Versus Standard Endocrine Therapy in Participants With Early Breast Cancer (clinicaltrials.gov)
    P3, N=8000, Active, not recruiting, Eli Lilly and Company | Recruiting --> Active, not recruiting
    Enrollment closed
    |
    HER-2 (Human epidermal growth factor receptor 2) • ER (Estrogen receptor)
    |
    HER-2 negative
    |
    tamoxifen • letrozole • anastrozole • exemestane • Inluriyo (imlunestrant)
    6d
    SERENA-1: Study of AZD9833 Alone or in Combination in Women With Advanced Breast Cancer. (clinicaltrials.gov)
    P1, N=396, Active, not recruiting, AstraZeneca | Trial completion date: Dec 2026 --> Jun 2027
    Trial completion date • First-in-human
    |
    HER-2 (Human epidermal growth factor receptor 2) • ER (Estrogen receptor)
    |
    HER-2 negative
    |
    Ibrance (palbociclib) • everolimus • Verzenio (abemaciclib) • Kisqali (ribociclib) • Truqap (capivasertib) • anastrozole • camizestrant (AZD9833)
    7d
    Biomarkers of response to neoadjuvant palbociclib plus anastrozole in endocrine-resistant estrogen receptor-positive/HER2-negative breast cancer: a phase 2 trial. (PubMed, Nat Commun)
    Additionally, a 33-gene signature that predicted neoadjuvant Ki67 response to ANA/PAL was prognostic in a metastatic validation cohort. These findings underscore dysregulated oncogenic pathways as potential resistance mechanisms and biomarkers of response to CDK4/6i.
    P2 data • Journal
    |
    HER-2 (Human epidermal growth factor receptor 2) • ER (Estrogen receptor)
    |
    HER-2 positive • ER positive • HER-2 negative • ER positive + HER-2 negative • HER-2 negative + ER positive
    |
    Prosigna™ Breast Cancer Prognostic Gene Signature Assay
    |
    Ibrance (palbociclib) • anastrozole
    7d
    Alterations in the transcriptional profile of genes in tumors as a prerequisite for personalization of treatment in breast cancer patients (PubMed, Arkh Patol)
    Comparative mRNA expression analysis confirms that a short preoperative course of aromatase inhibitors induces a more potent and uniform molecular response, characterized by profound suppression of proliferation and complete inhibition of estrogen-dependent signaling. Tamoxifen therapy is also effective but results in less pronounced suppression of key targets and, crucially, may be accompanied by early activation of the MYC oncogene, a potential marker for resistance development.
    Journal • PD(L)-1 Biomarker • IO biomarker
    |
    EGFR (Epidermal growth factor receptor) • HER-2 (Human epidermal growth factor receptor 2) • PD-L1 (Programmed death ligand 1) • ER (Estrogen receptor) • PGR (Progesterone receptor) • PTEN (Phosphatase and tensin homolog) • BCL2 (B-cell CLL/lymphoma 2) • CDKN2A (Cyclin Dependent Kinase Inhibitor 2A) • CCND1 (Cyclin D1) • CCNE1 (Cyclin E1) • FGFR4 (Fibroblast growth factor receptor 4) • BIRC5 (Baculoviral IAP repeat containing 5) • TYMS (Thymidylate Synthetase) • AURKA (Aurora kinase A) • FOXA1 (Forkhead Box A1) • PPP2R2A (Protein Phosphatase 2, Regulatory Subunit B, Alpha) • PTTG1 (PTTG1 Regulator Of Sister Chromatid Separation, Securin) • BAG1 (BAG Cochaperone 1) • EMSY (EMSY Transcriptional Repressor BRCA2 Interacting) • GATA3 (GATA binding protein 3) • KRT5 (Keratin 5) • MMP11 (Matrix Metallopeptidase 11) • MYBL2 (MYB Proto-Oncogene Like 2) • SFRP1 (Secreted frizzled related protein 1) • TMEM45B (Transmembrane Protein 45B) • ANLN (Anillin Actin Binding Protein) • CCNB1 (Cyclin B1) • SCGB2A2 (Secretoglobin Family 2A Member 2) • ZNF703 (Zinc Finger Protein 703)
    |
    HER-2 negative • HER-2 expression
    |
    tamoxifen • letrozole • anastrozole
    8d
    A Study of LY2835219 (Abemaciclib) in Combination With Therapies for Breast Cancer That Has Spread (clinicaltrials.gov)
    P1, N=198, Active, not recruiting, Eli Lilly and Company | Trial completion date: Dec 2025 --> Dec 2026
    Trial completion date
    |
    HER-2 (Human epidermal growth factor receptor 2) • CDK4 (Cyclin-dependent kinase 4) • CDK6 (Cyclin-dependent kinase 6)
    |
    HR positive • HER-2 negative • EGFR positive
    |
    Herceptin (trastuzumab) • everolimus • tamoxifen • Perjeta (pertuzumab) • Verzenio (abemaciclib) • fulvestrant • letrozole • anastrozole • exemestane • samotolisib (LY3023414) • loperamide
    8d
    KEYNOTE 287: A Study of Abemaciclib (LY2835219) in Participants With Non-Small Cell Lung Cancer or Breast Cancer (clinicaltrials.gov)
    P1, N=100, Active, not recruiting, Eli Lilly and Company | Trial completion date: Dec 2025 --> Dec 2026
    Trial completion date
    |
    HER-2 (Human epidermal growth factor receptor 2) • PD-L1 (Programmed death ligand 1) • KRAS (KRAS proto-oncogene GTPase)
    |
    KRAS mutation
    |
    Keytruda (pembrolizumab) • Verzenio (abemaciclib) • anastrozole
    12d
    ALTERNATE: Fulvestrant and/or Anastrozole in Treating Postmenopausal Patients With Stage II-III Breast Cancer Undergoing Surgery (clinicaltrials.gov)
    P3, N=1473, Active, not recruiting, Alliance for Clinical Trials in Oncology | Trial completion date: Aug 2025 --> Apr 2027 | Trial primary completion date: Aug 2025 --> Apr 2027
    Trial completion date • Trial primary completion date
    |
    HER-2 (Human epidermal growth factor receptor 2) • ER (Estrogen receptor)
    |
    ER positive • HER-2 negative • HER-2 negative + ER positive
    |
    fulvestrant • anastrozole
    13d
    PIKASSO-01: A Study of LOXO-783 in Patients With Breast Cancer/Other Solid Tumors (clinicaltrials.gov)
    P1, N=193, Active, not recruiting, Eli Lilly and Company | Trial completion date: Dec 2025 --> Dec 2026 | Trial primary completion date: Dec 2025 --> Dec 2026
    Trial completion date • Trial primary completion date
    |
    HER-2 (Human epidermal growth factor receptor 2) • ER (Estrogen receptor) • PIK3CA (Phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha)
    |
    HER-2 negative • PIK3CA mutation
    |
    paclitaxel • Verzenio (abemaciclib) • fulvestrant • letrozole • anastrozole • exemestane • Inluriyo (imlunestrant) • LOXO-783
    18d
    PREcoopERA: A Window-of-Opportunity Trial of Giredestrant +/- Triptorelin vs. Anastrozole + Triptorelin in Premenopausal Patients With ER-positive/HER2-negative Early Breast Cancer (clinicaltrials.gov)
    P2, N=231, Completed, ETOP IBCSG Partners Foundation | Recruiting --> Completed | Trial completion date: Jun 2026 --> Sep 2025 | Trial primary completion date: Jun 2026 --> Sep 2025
    Trial completion • Trial completion date • Trial primary completion date
    |
    HER-2 (Human epidermal growth factor receptor 2) • ER (Estrogen receptor)
    |
    ER positive • HER-2 negative
    |
    anastrozole • triptorelin • giredestrant (RG6171)
    18d
    TRADE: Dose Escalation Tolerability of Abemaciclib in HR+ HER2- Early Stage Breast Cancer (clinicaltrials.gov)
    P2, N=90, Active, not recruiting, Dana-Farber Cancer Institute | Trial primary completion date: Jun 2026 --> Jan 2025
    Trial primary completion date
    |
    HER-2 (Human epidermal growth factor receptor 2)
    |
    HER-2 negative
    |
    tamoxifen • Verzenio (abemaciclib) • letrozole • anastrozole • exemestane
    20d
    POETIC-A: PreOperative Endocrine Therapy for Individualised Care With Abemaciclib (clinicaltrials.gov)
    P3, N=123, Active, not recruiting, Institute of Cancer Research, United Kingdom | Recruiting --> Active, not recruiting | N=2032 --> 123 | Trial completion date: Mar 2032 --> Oct 2030
    Enrollment closed • Enrollment change • Trial completion date
    |
    HER-2 (Human epidermal growth factor receptor 2) • ER (Estrogen receptor)
    |
    ER positive • HER-2 negative • HER-2 negative + ER positive
    |
    tamoxifen • Verzenio (abemaciclib) • letrozole • anastrozole • exemestane
    21d
    Levels of Circulating Tumor DNA as a Predictive Marker for Early Switch in Treatment for Patients With Metastatic (Stage IV) Breast Cancer (clinicaltrials.gov)
    P2, N=24, Active, not recruiting, University of Miami | Recruiting --> Active, not recruiting | N=500 --> 24
    Enrollment closed • Enrollment change • Circulating tumor DNA
    |
    HER-2 (Human epidermal growth factor receptor 2)
    |
    HER-2 negative
    |
    Lynparza (olaparib) • Ibrance (palbociclib) • everolimus • tamoxifen • Talzenna (talazoparib) • capecitabine • Piqray (alpelisib) • Verzenio (abemaciclib) • Kisqali (ribociclib) • fulvestrant • Halaven (eribulin mesylate) • Truqap (capivasertib) • letrozole • anastrozole • exemestane • Orserdu (elacestrant) • Navelbine oral (vinorelbine tartrate oral)