Reference Detail

Ref Type

Journal Article

PMID

(10473107)

Authors

Miknyoczki SJ, Chang H, Klein-Szanto A, Dionne CA, Ruggeri BA

Title

The Trk tyrosine kinase inhibitor CEP-701 (KT-5555) exhibits significant antitumor efficacy in preclinical xenograft models of human pancreatic ductal adenocarcinoma.

Journal	Vol	Issue	Date	Pages	Journal Short Title
Clinical cancer research : an official journal of the American Association for	5	8	1999 Aug	2205-12	Clin Cancer Res

URL

Abstract Text

The aggressive behavior and poor prognosis of pancreatic ductal adenocarcinoma (PDAC) is associated with an increased expression of many growth factors and their cognate receptors. We have previously demonstrated the aberrant expression of the Trk receptors (Trks A, B, and C), enhanced tumor stromal expression of neurotrophins in primary PDAC specimens and human PDAC-derived cell lines, and a dose-dependent biological response of PDAC cells (in vitro invasiveness) to selective neurotrophins (Miknyoczki, S. J., et al., Int. J. Cancer, 81: 417-427, 1999). On the basis of these data, we have evaluated the therapeutic potential of inhibiting neurotrophin-Trk interactions using a selective and potent Trk tyrosine kinase inhibitor (CEP-701) in several preclinical models of human PDAC. CEP-701 is currently approved for clinical trials within the United States We demonstrate that CEP-701 administration at 10 mg/kg s.c. b.i.d. 5 days a week for 21-28 days inhibited tumor growth in a statistically significant manner in Panc-1, AsPc-1, BxPc-3, Colo 357, and MiaPaCa2 s.c. xenografts in athymic nude mice compared with vehicle-treated controls. Reductions in tumor growth volume of 50-70% relative to vehicle-treated controls were observed in xenografts responsive to CEP-701 administration. Significant reductions of in vivo PDAC tumor invasiveness were likewise observed in four of six CEP-701-treated rat tracheal xenografts implanted s.c. in athymic nude mice. The antitumor efficacy of CEP-701 was observed in the absence of pronounced morbidity or toxicity in vivo. Taken together, these data suggest that CEP-701 may be effective as a potential therapeutic agent in the treatment or management of PDAC.

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Molecular Profile	Treatment Approach

Gene Name	Source	Synonyms	Protein Domains	Gene Description	Gene Role

Therapy Name	Drugs	Efficacy Evidence	Clinical Trials

Drug Name	Trade Name	Synonyms	Drug Classes	Drug Description

Gene	Variant	Impact	Protein Effect	Variant Description	Associated with drug Resistance

Molecular Profile	Indication/Tumor Type	Response Type	Therapy Name	Approval Status	Evidence Type	Efficacy Evidence	References