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Patrys Limited (PAB.AX)'s Multiple Myeloma Clinical Trial to Progress to Final Patient Group

8/7/2013 9:07:33 AM

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Melbourne, Australia; 7 August, 2013: Patrys Limited (ASX: PAB; “the Company”), a clinical stage biotechnology company, has received approval to progress its Phase I/IIa PAT-SM6 multiple myeloma trial to its fourth and final group of patients, based on positive safety data.

There were no significant adverse events reported from the third patient group, comprised of three patients who were treated with Patrys’ lead antibody PAT-SM6. Patients in this group received four doses of PAT-SM6 at a dose level of 3 mg/kg.

The independent board monitoring the trial - which is underway at the Department of Haematology and Oncology, University Hospital of Würzburg in Germany - has given approval for the trial to progress to the fourth and final patient group.

Recruitment of this fourth group of three patients has commenced. These patients will initially receive four doses of PAT-SM6 at a dose level of 6 mg/kg, which is twice the amount received by the patients in the third cohort. This is more in line with dosing levels of other antibodies currently on the market.

The trial is an open-label multi-dose escalation trial in relapsed and multi-resistant patients with multiple myeloma who have failed all currently marketed drugs and have a very poor prognosis. Initially, twelve patients will be enrolled in four dosing groups and will receive a minimum of two cycles (four doses) of treatment.

If a patient shows a partial response to treatment with PAT-SM6 an additional cycle (two doses) of treatment will be offered. The primary objective of the study is to evaluate the safety and tolerability of escalating doses of PAT-SM6, and the secondary objective is to measure efficacy as determined by a series of well-established laboratory assays. As the trial is an open-label multi-dose escalation study, data will be released on an ongoing basis.

Professor Max Topp and Dr Leo Rasche, both from the University Hospital of Würzburg, are responsible for recruiting and treating patients in the trial. The specialist clinic is headed by Professor Dr Hermann Einsele who is also a Member of the Medical Advisory Board for the European Network of Myeloma Patient Groups, a non-profit network organisation of multiple myeloma patient groups dedicated to raising the awareness of multiple myeloma.

For further information, please contact:

Dr. Marie Roskrow

Chief Executive Officer

P: +61 3 9670 3273

Patrys IR:

Rebecca Wilson

Buchan Consulting

P: 0417 382 391

Patrys Media:

Shevaun Cooper

Buchan Consulting

P: +61 3 9866 4722

About Patrys Limited:

Based in Melbourne, Australia, Patrys (ASX: PAB) is focused on the development of natural human antibody therapies for cancer. More information can be found

About PAT-SM6:

The natural human antibody PAT-SM6 has been shown to have potent anti-cancer properties in a large number of laboratory and animal studies. More specifically, Patrys has now screened PAT-SM6 against more than 200 tumours from individual patients with various cancers, and the product binds to over 90% of the tumours screened regardless of cancer type or patient age, gender or disease stage. With respect to multiple myeloma PAT-SM6 has shown particularly strong promise. Patrys has filed patent applications to cover the PAT-SM6 antibody molecule, disease target, and the mechanism of action. Patrys has successfully completed a Phase I clinical trial to evaluate PAT-SM6 as a therapy for melanoma.

About Multiple Myeloma:

Multiple myeloma is a type of bone marrow cancer arising from plasma cells, and new therapies are desperately needed to treat patients who become resistant to established chemotherapeutics. There is an estimated 200,000 cases worldwide and the incidence is increasing. The five-year survival of patients is approximately 30% (at 10 years ~20%). Despite new marketed therapies, multiple myeloma remains largely incurable and fatal. The multiple myeloma market is dominated by three major products: Revlimid, Velcade and Thalidomide with combined net sales greater than US$4.4 Billion in 2011.

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