Medigene announces Start of Phase II trial with DC vaccines and upcoming milestone payment

(PresseBox) ( Martinsried/Munich, )
Medigene AG (MDG1, Frankfurt, Prime Standard), a clinical stage immune-oncology company, announced the treatment start of the first phase II-patient in its dendritic cell (DC) vaccine clinical phase I/II trial in acute myeloid leukaemia (AML). This triggers a milestone payment in the amount of approx. 3.2 m EUR to be made by Medigene AG to former contributing shareholders of Medigene Immunotherapies GmbH (formerly: Trianta Immunotherapies GmbH) within the next five months. Medigene intends to settle this payment through the issuance of new shares from authorised capital. The milestone payment was an agreed part of the purchase price in the acquisition of Trianta in January 2014. 

Prof. Dolores J. Schendel, CEO of Medigene AG, comments: "We are glad to announce the start of the clinical phase II trial of our DC vaccines shortly after the successful completion of patient recruitment for the phase I part of this trial and the Data and Safety Monitoring Board's recommendation to continue clinical development in this project. This demonstrates the steady progress of our clinical programs and the further validation of our immunotherapies."

Study design: Medigene's Phase I/II trial (NCT02405338) will include 20 AML patients who show complete remission after standard chemotherapy but are not eligible for stem cell transplantation that would reduce the risk of a relapse. Patients will be vaccinated with Medigene's DC vaccines for 50 weeks with a follow-up period of one year or until progression of the disease. The primary objective is to prove feasibility and safety of active immunotherapy with Medigene's dendritic cells. Secondary objectives of the study are induction of tumour-specific immune response, control of minimal residual disease (MRD), and clinical response/time to progression (TTP).

About Medigene's DC vaccines: The platform for the development of antigen-tailored DC vaccines is the most advanced of Medigene's highly innovative and complementary immunotherapy platforms. Currently Medigene evaluates its DC vaccines in a company-sponsored Phase I/II clinical trial in acute myeloid leukaemia (AML). Further studies utilising Medigene's DC vaccine technology include two ongoing clinical investigator-initiated trials (IITs), i.e. a clinical Phase I/II trial for the treatment of acute myeloid leukaemia (AML) at Ludwig Maximilians University Hospital Grosshadern, Munich, and a clinical Phase II trial for prostate cancer treatment at Oslo University Hospital. Moreover, compassionate use[1] patients are treated with DC vaccines at the Department of Cellular Therapy at Oslo University Hospital.

Dendritic cells (DCs) are the most potent antigen-presenting cells of our immune system. Their task is to take up, process and present antigens on their cell surface, which enables them to activate antigen-specific T cells for maturation and proliferation. This way T cells can recognise and eliminate antigen-bearing tumour cells. Dendritic cells can also induce natural killer cells (NK cells) to attack tumour cells. The team of Medigene Immunotherapies scientists has developed new, fast and effective methods for generating dendritic cells ex-vivo, which are able to activate both T cells and NK cells. The DC vaccines are developed from autologous (patient-derived) precursor cells, isolated from the patient's blood, and can be loaded with tumour-specific antigens to treat different types of cancer. Medigene's DC vaccines are in development for the treatment of minimal residual disease or for the use in combination therapies.

Further audio-visual information about Medigene's DC vaccines at:

About acute myeloid leukaemia (AML)

Acute myeloid leukaemia is a malignant disease of the hematopoietic system, affecting mainly adults above 60 years of age. In Germany, about 3,600 incidences are registered annually.

AML is caused by uncontrolled growth of dysfunctional hematopoietic precursor cells in the bone marrow. These cells prevent the generation of normal blood cells, causing a drop in erythrocytes and platelets, for example. Typical symptoms of AML include anaemia, fever, increased risk of infection, and blood coagulation disorder. AML progresses rapidly and may be fatal within a few weeks if untreated.

AML is treated initially with intensive chemotherapy. Another treatment option is allogeneic hematopoietic stem cell transplantation. Unfortunately the majority of patients suffer a relapse. Only about 15 - 20 % of the patients show long-term remission after conventional chemotherapy. Allogeneic hematopoietic stem cell transplantation is the only treatment option that offers a more positive prognosis.

This press release contains forward-looking statements representing the opinion of Medigene as of the date of this release. The actual results achieved by Medigene may differ significantly from the forward-looking statements made herein. Medigene is not bound to update any of these forward-looking statements. Medigene® is a registered trademark of Medigene AG. This trademark may be owned or licensed in select locations only.
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