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Open AccessJournal ArticleDOI

Phase II Trial of the CDK4 Inhibitor PD0332991 in Patients With Advanced CDK4-Amplified Well-Differentiated or Dedifferentiated Liposarcoma

TLDR
Treatment with theCDK4 inhibitor PD0332991 was associated with a favorable progression-free rate in patients with CDK4-amplified and RB-expressing WDLS/DDLS who had progressive disease despite systemic therapy.
Abstract
Purpose CDK4 is amplified in 90% of well-differentiated (WDLS) and dedifferentiated liposarcomas (DDLS). The selective cyclin-dependent kinase 4 (CDK4)/CDK6 inhibitor PD0332991 inhibits growth and induces senescence in cell lines and xenografts. In a phase I trial of PD0332991, several patients with WDLS or DDLS experienced prolonged stable disease. We performed an open-label phase II study to determine the safety and efficacy of PD0332991 in patients with advanced WDLS/DDLS.

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An update for Richter syndrome – new directions and developments

TL;DR: Novel agents in development are discussed with a focus on the second‐generation Bruton tyrosine kinase inhibitor acalabrutinib, checkpoint inhibition and the potential role of precision medicine in future trials of RS.
Journal ArticleDOI

Managing Liposarcomas: Cutting Through the Fat

TL;DR: It is critical that liposarcomas are not approached by oncologists as one disease entity but rather subclassified into distinct subtypes using histologic and molecular tools before formalizing a treatment plan.
Journal ArticleDOI

Cyclin-dependent kinase 4/6 inhibitors in breast cancer therapy.

TL;DR: Preclinical and clinical data suggest that CDK4/6 inhibitors might be particularly useful in patients with hormone-receptor-positive or HER2-positive tumors, whereas the role of such inhibitors in triple-negative breast cancer is still controversial.
References
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Book

Statistical methods for rates and proportions

TL;DR: In this paper, the basic theory of Maximum Likelihood Estimation (MLE) is used to detect a difference between two different proportions of a given proportion in a single proportion.
Journal ArticleDOI

Statistical Methods for Rates and Proportions.

B. S. Everitt, +1 more
- 01 Sep 1973 - 
Journal Article

[New response evaluation criteria in solid tumours-revised RECIST guideline (version 1.1)].

TL;DR: This paper is an overview of the new response evaluation criteria in solid tumours: revised RECIST guideline (version 1. 1), with a focus on updated contents.
Journal Article

Specific inhibition of cyclin-dependent kinase 4/6 by PD 0332991 and associated antitumor activity in human tumor xenografts

TL;DR: Results indicate that inhibition of Cdk4/6 alone is sufficient to cause tumor regression and a net reduction in tumor burden in some tumors.
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