Trial reportClinical cancer research : an official journal of the American Association for Cancer Research2023
Phase II Study of Palbociclib (PD-0332991) in CCND1, 2, or 3 Amplification: Results from the NCI-MATCH ECOG-ACRIN Trial (EAY131) Subprotocol Z1B.
Trial report in Clinical cancer research : an official journal of the American Association for Cancer Research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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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.
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Who cites it
17 citing papers in PubMed, 17 citations in OpenAlex.
- Dalpicilib combined with cetuximab in patients with HPV-negative, anti-PD-1-resistant recurrent or metastatic head and neck squamous cell carcinoma: A phase II trial.Nature communications · 2026Trial
- Phase II Study of Palbociclib in Patients with Tumors with CDK4 or CDK6 Amplification: Results from the NCI-MATCH ECOG-ACRIN Trial (EAY131) Subprotocol Z1C.Clinical cancer research : an official journal of the American Association for Cancer Research · 2025Trial
- Palbociclib in Solid Tumor Patients With Genomic Alterations in the cyclinD-cdk4/6-INK4a-Rb Pathway: Results From National Cancer Institute-Children's Oncology Group Pediatric Molecular Analysis for Therapy Choice Trial Arm I (APEC1621I).JCO precision oncology · 2024Trial
- Rewiring the Molecular Interplay of CDK4/6 Inhibitors in Lung Cancer: From Cell Cycle Control to Immune Microenvironment Remodeling.International journal of molecular sciences · 2026Review
- The evolving landscape of CDK inhibitor use in breast cancer therapy and beyond.Nature reviews. Drug discovery · 2026Review
- Emerging Strategies to Inhibit the G1/S Transition for Cancer Therapy.Cancer research · 2026Review
- CDK7-targeted therapy effectively disrupts cell cycle progression and oncogenic signaling in head and neck cancer.Signal transduction and targeted therapy · 2025Article
- Concordance between Tumor Tissue and Plasma DNA Genotyping in the NCI-MATCH Trial (EAY131).Clinical cancer research : an official journal of the American Association for Cancer Research · 2025Article
- Glutaminase as a metabolic target of choice to counter acquired resistance to Palbociclib by colorectal cancer cells.Oncogene · 2025Article
- Targeting CDK2 for cancer therapy.Cell reports · 2025Review
- Cancer takes many paths through G1/S.Trends in cell biology · 2024Review
- Osimertinib and palbociclib in an EGFR-mutated NSCLC with primary CDK4 amplification after progression under osimertinib.NPJ precision oncology · 2024Article
- Agnostic Administration of Targeted Anticancer Drugs: Looking for a Balance between Hype and Caution.International journal of molecular sciences · 2024Review
- Pharmacogenomics and Big Data in medical oncology: developments and challenges.Therapeutic advances in medical oncology · 2024Review
- MYCN in human development and diseases.Frontiers in oncology · 2024Review
- Heterogeneity in precision oncology.Cambridge prisms. Precision medicine · 2024Review
- Home-run trials for rare cancers: giving the right drug(s) to the right patients at the right time and in the right place.NPJ precision oncology · 2023Review
Corrections and comments
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Authors and funding
23 authors at 14 institutions in 1 country.
Funding
Abstract
purposeCyclin D/CDK4/6 is critical in controlling the G1 to S checkpoint. CCND, the gene encoding cyclin D, is known to be amplified in a variety of solid tumors. Palbociclib is an oral CDK4/6 inhibitor, approved in advanced breast cancer in combination with endocrine therapy. We explored the efficacy of palbociclib in patients with nonbreast solid tumors containing an amplification in CCND1, 2, or 3. PATIENTS AND
methodsPatients with tumors containing a CCND1, 2, or 3 amplification and expression of the retinoblastoma protein were assigned to subprotocol Z1B and received palbociclib 125 mg once daily for 21 days of a 28-day cycle. Tumor response was assessed every two cycles.
resultsForty patients were assigned to subprotocol Z1B; 4 patients had outside assays identifying the CCND1, 2, or 3 amplification and were not confirmed centrally; 3 were ineligible and 2 were not treated (1 untreated patient was also ineligible), leaving 32 evaluable patients for this analysis. There were no partial responses; 12 patients (37.5%) had stable disease as best response. There were seven deaths on study, all during cycle 1 and attributable to disease progression. Median progression-free survival was 1.8 months. The most common toxicities were leukopenia (n = 21, 55%) and neutropenia (n = 19, 50%); neutropenia was the most common grade 3/4 event (n = 12, 32%).
conclusionsPalbociclib was not effective at treating nonbreast solid tumors with a CCND1, 2, or 3 amplification in this cohort. These data do not support further investigation of single-agent palbociclib in tumors with CCND1, 2, or 3 amplification.
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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.