STOCKHOLM, October 20, 2009. The Swedish biotech company Karo Bio (Reuters: KARO.ST) today announced that it has updated its portfolio of development projects.

The update in brief: • ER-beta: A candidate drug has been nominated. Pre-clinical development is being initiated • Eprotirome: An application to start a clinical phase I study has been submitted to the FDA, to supplement the clinical documentation needed for start of clinical phase III development • KB3305: Further in-house development of KB3305 for the treatment of Type-2 diabetes will not be pursued by Karo Bio. A partner for the project will be sought. Evaluation of other potential clinical indications is ongoing. Karo Bio’s ER-beta program has attracted considerable attention in recent months. Earlier in the autumn, the analyst company Windhover picked it as one of the ten most interesting projects for partnering in the neuroscience area. Karo Bio has selected a lead compound as its candidate drug. The company will initiate pre-clinical development. This process is expected to take 12 to 14 months. ”This is an important milestone for Karo Bio. In parallel, we continue our work with other follow-up compounds within this exciting program. We are also having discussions with a number of stakeholders around ER-beta”, commented Per Olof Wallström, President and CEO of Karo Bio. There are several potential therapeutic uses for the ER-beta compounds; CNS-related diseases, including depression; some forms of cancer; pain; and inflammation. Eprotirome, which has been evaluated in a total of three phase II studies, is Karo Bio’s most advanced project. During the fall the company has completed a study in England aimed at defining how eprotirome is handled and excreted by the body. A clinical pharmacokinetic study, measuring the uptake of eprotirome from an improved tablet formulation, will be completed this year. These studies will supplement the clinical documentation needed for start of phase III. Planning of the phase III program is ongoing. In parallel, efforts to partner eprotirome is continuing. Karo Bio has also taken the decision not to initiate further in-house development of KB3305 for the treatment of Type-2 diabetes. ”We received very positive proof-of-principle data from the concluded phase I program, but the combination of a more challenging competitor and regulatory situation in the Type 2 diabetes field, and internal needs to prioritize investments, has made us come to this decision”, commented Per Olof Wallström. A partner for the project will be sough. Concurrently, the company continues to analyse how the compound can be used for other, specialist-focused therapies.

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Karo Pharma is a specialty pharma company that develops and markets products to pharmacies and directly to healthcare providers. The share is listed on Nasdaq Stockholm in the Mid Cap segment.


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