ReviewFrontiers in oncology2022
CDK4/6 Inhibitors in Combination Therapies: Better in Company Than Alone: A Mini Review.
Review in Frontiers in oncology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers, 1 of them a synthesis that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
50 citing papers in PubMed, 1 synthesis or guideline pooled it, 56 citations in OpenAlex.
- Efficacy and safety of abemaciclib plus endocrine therapy versus endocrine therapy alone in HR + and HER2-negative breast cancer; a systematic review and meta-analysis.Breast cancer research and treatment · 2025Pooled it
- Aromatase inhibition plus/minus Src inhibitor saracatinib (AZD0530) in advanced breast cancer therapy (ARISTACAT): a randomised phase II study.Breast cancer research and treatment · 2023Trial
- Recent advances in hormone-based biopharmaceuticals for cancer therapy.Journal of the Egyptian National Cancer Institute · 2026Review
- Adaptive mechanisms and emerging cancer therapeutics for CDK2 inhibitors.Nature chemical biology · 2026Review
- CDK4/6 Inhibitor-Induced Senescence in Cancer: Mechanisms and Therapeutic Implications.Cancers · 2026Review
- Article
- A new hope: Clinical advances in targeted therapies for pediatric diffuse midline glioma.Neuro-oncology advances · 2026Review
- Ribociclib is not a substrate or inhibitor of Oatp1b-mediated uptake in vivo.Cancer chemotherapy and pharmacology · 2026Article
- Cell-cycle targeted cancer therapy: clinical advances, biological gaps, and the emergence of selective CDK4 inhibitors.Journal of hematology & oncology · 2026Review
- Tumor cell cycle regulation: integrated perspective of stage characteristics, regulatory networks, and signaling pathway intervention strategies.Molecular biomedicine · 2026Review
- Differential Preclinical Efficacy of Combined CDK4/6 and MEK Inhibition in Low-Grade Serous Ovarian Carcinoma Based onInternational journal of molecular sciences · 2026Article
- Targeted therapy in thyroid cancer: molecular alterations and clinical management.Frontiers in endocrinology · 2026Review
- Cyclin-dependent kinase 4/6 inhibitors in granulosa cell tumors and their combination with hormonal therapy: a scoping review.Frontiers in oncology · 2026Review
- Phase I trial of neratinib plus palbociclib in advanced cancers with HER family alterations.ESMO open · 2025Article
- A Decade After Approval of the First CDK4/6 Inhibitor: A Look Back at Palbociclib's Journey from Discovery to Approval and What's Next in CDK Inhibition in Breast Cancer.Targeted oncology · 2025Review
- Breast Cancer Treatments: Drugs Targeting the PI3K/AKT/mTOR Pathway, TNBC Therapy and Future Directions: A Review.Life (Basel, Switzerland) · 2025Review
- The landscape of cyclin-dependent kinase 4/6 inhibitors in solid malignancies: emphasis on immunotherapy combinatorial strategies.Medical oncology (Northwood, London, England) · 2025Review
- Targeting CDK2 for cancer therapy.Cell reports · 2025Review
- Current progress in targeting mitotic kinases in PDAC.RSC medicinal chemistry · 2025Review
- A prognostic signature for hormone receptor-positive, human epidermal growth factor receptor 2-negative breast cancer.Scientific reports · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The cyclin D-CDK4/6 complexes play a pivotal role in controlling the cell cycle. Deregulation in cyclin D-CDK4/6 pathway has been described in many types of cancer and it invariably leads to uncontrolled cell proliferation. Many efforts have been made to develop a target therapy able to inhibit CDK4/6 activity. To date, three selective CDK4/6 small inhibitors have been introduced in the clinic for the treatment of hormone positive advanced breast cancer patients, following the impressive results obtained in phase III clinical trials. However, since their approval, clinical evidences have demonstrated that about 30% of breast cancer is intrinsically resistant to CDK4/6 inhibitors and that prolonged treatment eventually leads to acquired resistance in many patients. So, on one hand, clinical and preclinical studies fully support to go beyond breast cancer and expand the use of CDK4/6 inhibitors in other tumor types; on the other hand, the question of primary and secondary resistance has to be taken into account, since it is now very clear that neoplastic cells rapidly develop adaptive strategies under treatment, eventually resulting in disease progression. Resistance mechanisms so far discovered involve both cell-cycle and non-cell-cycle related escape strategies. Full understanding is yet to be achieved but many different pathways that, if targeted, may lead to reversion of the resistant phenotype, have been already elucidated. Here, we aim to summarize the knowledge in this field, focusing on predictive biomarkers, to recognize intrinsically resistant tumors, and therapeutic strategies, to overcome acquired resistance.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.