SynthesisScientific reports2024
Comparative overall survival of CDK4/6 inhibitors in combination with endocrine therapy in advanced breast cancer.
Synthesis in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 3 of them syntheses 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
31 citing papers in PubMed, 3 syntheses or guidelines pooled it, 35 citations in OpenAlex.
- Pharmacokinetic interactions and clinical implications of PPIs and CDKIs in breast cancer: a systematic review and meta-analysis.Systematic reviews · 2025Pooled it
- Impact of CDK4/6 inhibitors on health-related quality of life outcomes in patients with metastatic breast cancer: A systematic review and meta-analysis.Journal of managed care & specialty pharmacy · 2025Pooled it
- Confirming the efficacy and safety of CDK4/6 inhibitors in the first-line treatment of HR+ advanced breast cancer: a systematic review and meta-analysis.Frontiers in pharmacology · 2024Pooled it
- A Phase II Study of Fulvestrant plus Abemaciclib in Hormone Receptor-Positive Advanced or Recurrent Endometrial Cancer.Clinical cancer research : an official journal of the American Association for Cancer Research · 2025Trial
- Pharmacokinetic Drug-Drug Interaction Potential of Oral Anticancer Drugs.Clinical pharmacology and therapeutics · 2026Article
- Cutting-edge advances in endocrine therapy for breast cancer (Review).Oncology letters · 2026Review
- Co-targeting CDK4/6 and MEK reverses mesenchymal transition in therapy-refractory BRAF-altered pediatric high-grade glioma.Journal of experimental & clinical cancer research : CR · 2026Article
- Celecoxib potentiates ribociclib-induced apoptosis and anti-tumor activity by co-targeting COX-2/NF-κB and PI3K/AKT/mTOR pathways in hormone receptor-positive/HER2-negative breast cancer.Apoptosis : an international journal on programmed cell death · 2026Article
- Comparative real-world progression free survival of CDK4/6 inhibitors in HR+/HER2- breast cancer patients with bone metastases.The oncologist · 2026Article
- CDK4/6 Inhibitors for Breast Cancer Therapy-A Review of Clinical Trials, Structural and Computational Approaches.Pharmaceuticals (Basel, Switzerland) · 2026Review
- Comparative effectiveness of CDK4/6 inhibitors in metastatic breast cancer: using the target trial emulation framework to investigate overall survival in routine care.Breast cancer research and treatment · 2026Article
- Tumor cell cycle regulation: integrated perspective of stage characteristics, regulatory networks, and signaling pathway intervention strategies.Molecular biomedicine · 2026Review
- Integration of pre‑existing cardiovascular comorbidity into CDK4/6 inhibitor selection for breast cancer.Therapeutic advances in drug safety · 2026Article
- Gastrointestinal toxicity associated with cyclin-dependent kinase 4/6 inhibitors in breast cancer patients: insights from a real-world pharmacovigilance analysis.Frontiers in medicine · 2026Article
- Exploring the effect of Duffy status on patients with breast cancer receiving cyclin-dependent kinase 4/6 inhibitors.Breast cancer research and treatment · 2025Article
- First-line cyclin-dependent kinase 4 and 6 inhibitors in combination with an aromatase inhibitor for HR+/HER2- metastatic breast cancer: A real-world cost-effectiveness assessment in a US Medicare-eligible population.Journal of managed care & specialty pharmacy · 2025Article
- Cell-type-agnostic differential gene expression uncovers conserved principles of cellular regulation.bioRxiv : the preprint server for biology · 2025Article
- Efficacy and Predictability of Cyclin-Dependent Kinase 4/6 Inhibitors in HER2-Positive Breast Cancer.Cancers · 2025Review
- The regulatory role of CDK4/6 inhibitors in tumor immunity and the potential value of tumor immunotherapy (Review).International journal of molecular medicine · 2025Review
- Prognostic value of FDG PET/CT in de novo stage IV breast cancer patients treated with cyclin-dependent kinase 4/6 inhibitors.Breast cancer research : BCR · 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
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Individual trials of abemaciclib, palbociclib, and ribociclib show a similar impact on progression-free survival yet differing statistical significance for overall survival (OS). A robust comparative evaluation of OS, safety, and tolerability of the three drugs is warranted. A systematic literature search identified phase 3 randomized clinical trials reporting OS of CDK4/6 inhibitors (CDK4/6i) in combination with endocrine therapy in ER-positive/HER2-negative advanced breast cancer. Trial-level data on OS and common and serious adverse events (AE) were extracted for each drug. In the absence of direct comparisons, a network meta-analysis was performed to evaluate pairwise comparative efficacy, safety, and tolerability of each of the CDK4/6i. Seven studies comprising of 4415 patients met the inclusion criteria. Median follow-up was 73.3 months (range: 48.7-97.2 months). There were no statistically significant differences in OS between any of the CDK4/6i. Compared to palbociclib, ribociclib and abemaciclib both showed significantly higher GI toxicity (grade 1-2 vomiting OR 1.87 [95% CI 1.37-2.56] and OR 2.27 [95% CI 1.59-3.23] respectively). Compared to palbociclib, abemaciclib was associated with more grade 3-4 diarrhea OR 118.06 [95% CI 7.28-1915.32]. In contrast, palbociclib was associated with significantly more neutropenia than ribociclib and abemaciclib but significantly lower risk of grade 3-4 infections. Abemaciclib had significantly less grade 3-4 transaminitis and grade 3-4 neutropenia than ribociclib. Treatment discontinuation and death due to AE were significantly higher with abemaciclib than palbociclib and ribociclib. There is no statistically significant difference in OS between CDK4/6i despite differing statistical significance levels of individual trials. Real-world data analyses may help to identify if there is a meaningful inter-drug difference in efficacy. Significant differences between CDK4/6i are observed for safety and tolerability outcomes.
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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.