Sorrento Therapeutics, IGDRASOL to present updates on Cynviloq at Nanomedicine 2013 meeting

Sorrento Therapeutics, Inc. ("STI"; SRNE) and IGDRASOL announced today that IGDRASOL will be presenting updates of its analysis of proprietary late clinical stage NBN-Pac formulations, namely IG-001 (Cynviloq™) and IG-004 (a D-a-tocopheryl polyethylene glycol succinate (TPGS)-based paclitaxel formulation) at the annual Nanomedicine 2013 meeting in Barcelona, Spain (April 11th - 12th). IGDRASOL is a privately-held company for which STI was granted an irrevocable option right to acquire. The two companies' combined pipeline features an oncology franchise of potential products with Phase 2/3 data for multiple solid tumor indications as well as two synergistic drug discovery and development platforms, namely the G-MAB® human antibody library and MABiT™, a proprietary technology to generate antibody formulated drug conjugates (AfDC).

Cynviloq™ (or IG-001) is a next-generation, branded, micellar diblock copolymeric paclitaxel formulation currently approved and marketed in several countries as Genexol-PM®. Cynviloq™ has completed Phase 1 or 2 trials in MBC, NSCLC, pancreatic cancer, ovarian cancer and bladder cancer in the US and/or non-US. IGDRASOL is preparing for an "End of Phase 2" meeting with the U.S. Food & Drug Administration (FDA) targeted for the first half of 2013 regarding Cynviloq™.  As an injectable nanoparticle formulation of paclitaxel, Cynviloq™ is potentially eligible for approval via FDA's 505(b)(2) regulatory pathway versus albumin-bound paclitaxel (nab-paclitaxel; Abraxane®) in its currently approved metastatic breast cancer (MBC) and non-small cell lung cancer (NSCLC) indications.

IG-004 (formerly known as TOCOSOL® paclitaxel) is a TPGS-based emulsion of paclitaxel, which was recently acquired from OncoGenex Pharmaceuticals, Inc. (OGXI). IG-004 has completed Phase 2 trials in NSCLC, pancreatic cancer, ovarian cancer, colorectal cancer or bladder cancer as well as completed Phase 3 studies in MBC in the US and/or non-US. IGDRASOL recently acquired the IG-004 portfolio asset from OncoGenex. IGDRASOL plans to reexamine the clinical data of IG-004 to map out the best path forward given the benefit of hindsight.

"We intend to leverage our comprehensive domain knowledge of paclitaxel nanoparticle formulations to build a franchise of next generation paclitaxel nanomedicines.  I am convinced that our team who played a key role in the development and success of Abraxane® will be able to do it here again," said Vuong Trieu Ph.D., Chief Executive Officer of IGDRASOL.

Also, the acquisition of TOCOSOL® paclitaxel allows IGDRASOL to compare and contrast stable paclitaxel nanoparticles (TOCOSOL® paclitaxel) versus plasma-unstable paclitaxel nanoparticles (Abraxane® and Genexol-PM®).  Data mining of these large databases have generated exciting insights into the field of nanomedicine. 

Some of the findings are being presented at Nanomedicine 2013, April 11th -12th, Barcelona, Spain.  The presentation is entitled: "Non-biologic Nanoparticle Paclitaxel for the Treatment of Cancer" authored by: Vuong Trieu, Catherine Cheng , Larn Hwang, Chao Hsiao , and Kouros Motamed . 

SOURCE Sorrento Therapeutics, Inc.

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