First Patient Treated with Nano Anti-Cancer Therapeutic

 
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PostPosted: Wed Sep 20, 2006 10:21 am    Post subject: First Patient Treated with Nano Anti-Cancer Therapeutic Reply with quote

First Patient Treated with Nano-Engineered Anti-Cancer Therapeutic


Arrowhead Research Corporation, announced today that its majority-owned subsidiary, Insert Therapeutics, a company commercializing delivery-enhanced therapeutics using a patented class of polymeric systems, has treated its first patient in a Phase I study of IT-101, Insert's lead anti-cancer compound.


"The initiation of the clinical development phase for IT-101 is an important milestone for Insert Therapeutics. It demonstrates our commitment to bringing innovative therapies to the clinic that address significant, unmet patient needs," said Dr. Thomas Schluep, Chief Scientific Officer at Insert Therapeutics.

The study is an open-label, dose-escalation Phase I study in patients with inoperable or metastatic solid tumors and has been designed to evaluate the safety, tolerability and pharmacokinetics of IT-101. Insert expects that between 24 and 48 patients will be enrolled in the study during its course. The study is currently being conducted at The City of Hope Cancer Center (COH) in Duarte, CA, where Yun Yen, MD., Ph.D. will lead the study.

"We congratulate the team at Insert on this latest success," said R. Bruce Stewart, Arrowhead's Chairman. "While the Phase I study is underway, Insert will continue preparations for IT-101's further clinical trials and the development of its next therapeutic candidates."

Animal studies using IT-101 showed excellent anti-cancer activity, including complete remission of certain kinds of lung cancer, among others.

About IT-101

IT-101 is a combination of its patented polymer technology, Cyclosert(TM), and the anti-cancer compound camptothecin. Insert's proprietary Cyclosert delivery system is based on small cyclic repeating molecules of glucose called cyclodextrins. Using modified cyclodextrins as building blocks, Insert has developed an entirely new proprietary class of materials called linear cyclodextrin-containing polymers. To the company's knowledge, Cyclosert is the first nanoparticulate drug delivery platform to be designed de novo and synthesized specifically to overcome limitations in existing delivery technologies used for the systemic delivery of therapeutics. The polymers were invented at Caltech in the lab of Dr. Mark Davis, a professor in Chemical Engineering and founder of Insert, and licensed exclusively to Insert.

Cyclosert polymers have been synthesized over a broad range of molecular weights providing tunable properties for systemic drug delivery that improve localization of active drug at the target tissue. This feature of the Cyclosert technology provides great flexibility for overcoming multiple hurdles encountered in formulation and delivery.

Discovered in the 1960s, camptothecin is a naturally occurring, water-insoluble alkaloid that has established potent activity against a broad spectrum of cancer types. Although analogues of camptothecin (e.g., irinotecan and topotecan) continue to realize nearly $1 billion in worldwide sales annually, camptothecin itself has not been commercialized due to its poor solubility and unfavorable pharmacokinetics. In numerous animal studies conducted by Insert, treatment with IT-101 result in protracted anti-tumor activities that are substantially more effective than irinotecan or camptothecin administered alone.

About Insert Therapeutics, Inc.

Insert Therapeutics, Inc., a majority-owned subsidiary of Arrowhead Research Corporation, is using its proprietary, nano-engineered, polymeric delivery system, Cyclosert(TM), to design, develop and commercialize drug-delivery-enhanced small-molecule therapeutics and nucleic acids. Cyclosert uses cyclodextrins as building blocks to create an entirely new class of biocompatible materials -- linear cyclodextrin-containing polymers that are nontoxic and nonimmunogenic at therapeutic doses. The company is pursuing this goal through its internal research and development, and also through collaborations and partnerships with pharmaceutical and biotechnology companies.

About Arrowhead Research Corporation

Arrowhead Research Corporation is a diversified nanotechnology company structured to commercialize products expected to have revolutionary impacts on a variety of industries, including materials, electronics, life sciences, and energy.


Source:

http://www.arrowheadresearch.com/news.html


This story was first posted on 20th July 2006
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