A Phase 1, Open Label, Dose Escalation Study Evaluating the Safety and Pharmacokinetics of Enteric Coated D-3263 Hydrochloride in Subjects With Advanced Solid Tumors

This is a Phase 1, dose escalation study evaluating safety and pharmacokinetics of enteric coated D-3263 HCl in subjects with advanced solid tumors

Start Date01 Mar 2009

Sponsor / Collaborator

Dendreon Corp.

100 Clinical Results associated with D-3263

100 Translational Medicine associated with D-3263

100 Patents (Medical) associated with D-3263

Literatures (Medical) associated with D-3263

BMC Microbiology

Antibacterial activity and mechanisms of D-3263 against Staphylococcus aureus

Article

Author: Liu, Xiaoju ; Wen, Zewen ; Deng, Qiwen ; Cai, Shuyu ; Chen, Zhong ; Peng, Renhai ; Yu, Zhijian ; Zhang, Yufang ; Hou, Tieying ; Xiong, Yanpeng

AbstractMulti-drug-resistant Staphylococcus aureus infections necessitate novel antibiotic development. D-3263, a transient receptor potential melastatin member 8 (TRPM8) agonist, has potential antineoplastic properties. Here, we reported the antibacterial and antibiofilm activities of D-3263. Minimum inhibitory concentrations (MICs) against S. aureus, Enterococcus faecalis and E. faecium were ≤ 50 µM. D-3263 exhibited bactericidal effects against clinical methicillin-resistant S. aureus (MRSA) and E. faecalis strains at 4× MIC. Subinhibitory D-3263 concentrations effectively inhibited S. aureus and E. faecalis biofilms, with higher concentrations also clearing mature biofilms. Proteomic analysis revealed differential expression of 29 proteins under 1/2 × MIC D-3263, influencing amino acid biosynthesis and carbohydrate metabolism. Additionally, D-3263 enhanced membrane permeability of S. aureus and E. faecalis. Bacterial membrane phospholipids phosphatidylethanolamine (PE), phosphatidylglycerol (PG), and cardiolipin (CL) dose-dependently increased D-3263 MICs. Overall, our data suggested that D-3263 exhibited potent antibacterial and antibiofilm activities against S. aureus by targeting the cell membrane.

BiomoleculesQ3 · BIOLOGY

Trpm8 Expression in Human and Mouse Castration Resistant Prostate Adenocarcinoma Paves the Way for the Preclinical Development of TRPM8-Based Targeted Therapies

Q3 · BIOLOGY

ArticleOA

Author: Alaimo, Alessandro ; Barbareschi, Mattia ; Montironi, Rodolfo ; Vignoli, Beatrice ; Canossa, Marco ; Moro, Riccardo ; Carbone, Francesco Giuseppe ; Genovesi, Sacha ; Lunardi, Andrea ; De Felice, Dario

Metastatic prostate cancer (mPCa) is one of the leading causes of cancer-related mortality in both the US and Europe. Androgen deprivation is the first-line therapy for mPCa; however, resistance to therapy inevitably occurs and the disease progresses to the castration resistant stage, which is uncurable. A definition of novel targeted therapies is necessary for the establishment of innovative and more effective protocols of personalized oncology. We employed genetically engineered mouse models of PCa and human samples to characterize the expression of the TRPM8 cation channel in both hormone naïve and castration resistant tumors. We show that Trpm8 expression marks both indolent (Pten-null) and aggressive (Pten/Trp53 double-null and TRAMP) mouse prostate adenocarcinomas. Importantly, both mouse and human castration-resistant PCa preserve TRPM8 protein expression. Finally, we tested the effect of TRPM8 agonist D-3263 administration in combination with enzalutamide or docetaxel on the viability of aggressive mouse PCa cell lines. Our data demonstrate that D-3263 substantially enhances the pro-apoptotic activity of enzalutamide and docetaxel in TRAMP-C1 e TRAMP-C2 PCa cell lines. To conclude, this study provides the basis for pre-clinical in vivo testing of TRPM8 targeting as a novel strategy to implement the efficacy of standard-of-care treatments for advanced PCa.

100 Deals associated with D-3263

R&D Status

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Indication	Highest Phase	Country/Location	Organization	Date
Advanced Malignant Solid Neoplasm	Phase 1	US	Dendreon Corp.	01 Mar 2009
Prostatic Hyperplasia	Phase 1	-	Dendreon Corp.	-

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Study	Phase	Population	Analyzed Enrollment	Group	Results	Evaluation	Publication Date


ACR2013	Not Applicable	Endothelial dysfunction	-	TRPM8	estxbtpvju(hwaxwfqiqg) = isqpecpwmf arrzhldzsb (faxjauxpou ) View more	-	25 Oct 2013

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