BioTime, Inc. and the California Institute for Regenerative Medicine Sign Distribution Agreement for GMP-Compliant Human Embryonic Stem Cell Lines

ALAMEDA, Calif.--(BUSINESS WIRE)--BioTime, Inc. (NYSE Amex: BTX) today announced an agreement with the California Institute for Regenerative Medicine (CIRM) to make five clinical-grade human embryonic stem (hES) cell lines available to California-based researchers. CIRM is the stem cell agency created when California voters supported a $3 billion funding measure for stem cell-related research and clinical translation. Under the agreement, BioTime will initially provide research grade cell lines, and within one year, BioTime will also make available GMP-grade cell lines along with certain documentation and complete DNA sequence information. The parties anticipate that the use of the GMP grade cell lines may streamline the translation of basic science to human therapies. Should the users of the cell lines and BioTime eventually sign definitive license agreements for commercial use of the cell lines, BioTime will receive a royalty on net sales.

“We believe this agreement is in the best interests of both the people of California and BioTime”

Background

Human embryonic stem cell lines are expandable populations of cells with the potential to generate all human cell types. However, there are many scientific and technological steps that are necessary in order to turn this potential into a reality. In recent years, research conducted around the world has shown promising results for hES cell-based therapies for a wide range of diseases. But in order to develop effective therapies for use in humans that will meet the regulatory standards of the United States Food and Drug Administration (FDA) and other regulators, the cell lines that are used to develop those therapies must fully comply with the strict current Good Manufacturing Practice (cGMP) quality standards that apply to all drugs and devices. The creation of such cell lines is a substantial undertaking.

BioTime's Singapore-based subsidiary ES Cell International Pte Ltd. (ESI) has been at the forefront of advances in hES technology since 2000 and created the first cell bank of clinical-grade hES cell lines that were derived following cGMP principles (Crook et al, 2007 The Generation of Six Clinical-Grade Human Embryonic Stem Cell Lines Cell Stem Cell 2007 Nov;1:490-4) for research use. These cell lines were created under conditions intended to be compliant with international standards of oocyte procurement and embryo donation. In addition, protocols were used in the derivation of the cell lines intended to lead to their conformity to regulations controlling clinical-grade cell and tissue product development, including compliance with current good tissue and manufacturing practices (cGTPs and cGMPs), including potential compliance with guidelines provided by the U.S. FDA Center for Biologics Evaluation and Research regarding human cell-based products (HCT/Ps) intended for use in human therapeutics described in the Code of Federal Regulations parts 1270 and 1271 (Code of Federal Regulations, 2006a, 2006b). BioTime has agreed to make the following five cells lines available to CIRM grantees and California-based researchers: ESI-014, ESI-017, ESI-035, ESI-051 and ESI-053 described in greater detail in the above-mentioned article. Research grade versions of the cell lines will be provided to CIRM grantees and California-based institutions free of charge until April 30, 2011 for research use only.

The GMP grade versions of these cell lines along with a letter of cross-reference to a biologics master file containing manufacturing and controls information and additional documentation needed to establish GMP compliance, and the complete genomic DNA sequence information on the cell lines, will be available to California-based researchers at a price approximating BioTime’s cost of materials by November 22, 2011. Although no royalties will be payable to BioTime by researchers who acquire the cell lines for research use, entities that desire to use the GMP-compliant cell lines for therapeutic or other commercial purposes, may do so only after signing commercialization agreements acceptable to BioTime and entitling BioTime to receive royalties on net sales not to exceed 2.0% of net sales, reducible to 1.5% if the researcher must pay any other royalties in connection with the resulting product commercialization. The researchers will be responsible for obtaining any licenses that may be needed from third parties to use the GMP cell lines in their products. Lastly, the form of a material transfer agreement has been agreed to by CIRM and BioTime for research use. The pre-negotiation of terms will serve to help accelerate research by eliminating protracted negotiations.

“We believe this agreement is in the best interests of both the people of California and BioTime,” said Michael D. West, Ph.D., BioTime's President and CEO. “There are at least three potential benefits to the parties: First, access to cGMP-manufactured cell lines may help CIRM-funded researchers accelerate their work in a wide array of new cell-based therapies and drugs, and more quickly translate the research into improved medical outcomes for people with difficult to treat diseases. Second, the publication of the research results using these cell lines may benefit BioTime's own work to better understand the characteristics of the lines when used to manufacture human therapeutics. Lastly, BioTime may benefit from future commercial revenues from products developed as a result of this collaboration through a royalty-bearing license. The development of standards and open platforms often allows new fields of science and technology to move forward more quickly. We are grateful to the vision of CIRM in working with industry to advance this exciting science into the clinic.”

A sixth cell line designated ESI-049 is currently being evaluated by a large pharmaceutical company for exclusive use and was therefore not included in the collaborative agreement with CIRM. BioTime will retain the rights to manufacture its own research and therapeutic products from the cell lines. Additional information on the agreement is available on BioTime’s website at www.biotimeinc.com.

About BioTime, Inc.

BioTime, headquartered in Alameda, California, is a biotechnology company focused on regenerative medicine and blood plasma volume expanders. Its broad platform of stem cell technologies is developed through subsidiaries focused on specific fields of applications. BioTime develops and markets research products in the field of stem cells and regenerative medicine through its wholly owned subsidiary Embryome Sciences, Inc. BioTime’s therapeutic product development strategy is pursued through subsidiaries that focus on specific organ systems and related diseases for which there is a high unmet medical need. BioTime’s majority owned subsidiary Cell Cure Neurosciences, Ltd. is developing therapeutic products derived from stem cells for the treatment of retinal and neural degenerative diseases. Cell Cure's minority shareholder Teva Pharmaceutical Industries has an option to clinically develop and commercialize Cell Cure’s OpRegen™ retinal cell product for use in the treatment of age-related macular degeneration (AMD). BioTime's subsidiary OrthoCyte Corporation is developing therapeutic applications of stem cells to treat orthopedic diseases and injuries. Another subsidiary, OncoCyte Corporation, focuses on the therapeutic applications of stem cell technology in cancer. BioTime’s Singapore subsidiary, ES Cell International Pte Ltd, has been at the forefront of advances in human embryonic stem (“hES”) cell technology, having been one of the earliest distributors of hES cell lines to the research community. ESI has produced clinical-grade human embryonic stem cell lines that were derived following principles of Good Manufacturing Practice and currently offers them for potential use in therapeutic product development. In addition to its stem cell products, BioTime develops blood plasma volume expanders, blood replacement solutions for hypothermic (low temperature) surgery, and technology for use in surgery, emergency trauma treatment and other applications. BioTime’s lead product, Hextend®, is a blood plasma volume expander manufactured and distributed in the U.S. by Hospira, Inc. and in South Korea by CJ CheilJedang Corp. under exclusive licensing agreements. Additional information about BioTime, Embryome Sciences, Cell Cure, OrthoCyte, OncoCyte, BioTime Asia, and ESI can be found on the web at www.biotimeinc.com.

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