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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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A First-in-Human Phase I Study of Milademetan, an MDM2 Inhibitor, in Patients With Advanced Liposarcoma, Solid Tumors, or Lymphomas

TL;DR: In this article , the authors evaluated the safety, pharmacokinetics, pharmacodynamics, and preliminary efficacy of milademetan, a small-molecule murine double minute-2 (MDM2) inhibitor, in patients with advanced cancers.
Journal ArticleDOI

Combined targeting of the p53 and pRb pathway in neuroblastoma does not lead to synergistic responses.

TL;DR: It is concluded that p53 and pRb pathway aberrations cannot be used as predictive biomarkers for neuroblastoma sensitivity to MDM2 and/or CDK4/6 inhibitors and should be cautious with combining these inhibitors in neuroblastomas.
Patent

Companion diagnostic for cdk4 inhibitors

TL;DR: In this paper, the use of one or more biomarkers to evaluate the likelihood that a CDK4 inhibitor would produce an anti-cancer effect in a subject was proposed, which is based on the discovery that cancer treatment with a CDk4 inhibitor is more effective where treated cancer cells undergo cellular senescence rather than a transient cell cycle arrest, where cellular senesence is associated with decreased MDM2 protein level.
Journal ArticleDOI

Expression profile‑driven discovery of AURKA as a treatment target for liposarcoma

TL;DR: The findings of the present study suggested the potential of AURKA as a therapeutic target in LPS cell line models, while the novel combination of AurKA inhibitors and chemotherapy requires further investigation.
Journal ArticleDOI

A Multi-Modality Treatment of Retroperitoneal De-Differentiated Liposarcoma

TL;DR: Achieving complete resection and the grade of the tumor at diagnosis are the 2 most important prognostic factors for patient survival in retroperitoneal liposarcoma, as survival rates are inversely proportional to the gradeof the tumor.
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
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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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