Oncolytics Biotech Inc.

Onoclytics Biotech Inc.

Oncoltyics Biotech Inc.

Oncolyties Biotech Inc.

Thompson, Bradley G.

Matthew C Coffey

Bradley G Thompson

James Strong

Patrick W K Lee

Donald Morris

Leo Pavliv

Sarah Serl

Patrick W Lee

Hardev Pandha

Douglas Ball

Roxna Kapadia

Allison Hagerman

The invention provides for modified reovirus nucleic acid sequences and modified reovirus polypeptide sequences as well as reoviruses containing such modified nucleic acid or polypeptide sequences. The invention also provides for pharmaceutical compositions that include reoviruses having a modified sequence as well as methods of making and using such reoviruses.

Reoviruses having modified sequences

The present invention is directed to an improved method of purifying virus, particularly reovirus. Infectious virus can be extracted from a cell culture with a detergent to produce high titers of virus, and the virus can then be purified by simple steps such as filtration and column chromatography. Viruses and compositions comprising the viruses prepared according to the present invention are also provided.

Viral purification methods

Provided herein are liquid viral formulations useful for the stabilization and storage of viruses and methods of preparing these formulations. The liquid viral formulations described herein include a virus (e.g., a purified virus) and a non-viral composition including excipients and a liquid carrier. The formulations can be used, for example, to retain the infectivity or immunogenicity of viruses during periods of storage.

Liquid viral formulations

Provided herein are lyophilized viral formulations useful for the stabilization and storage of viruses and methods of preparing these formulations. The lyophilized viral formulations described herein include a virus (e.g., a purified virus) and a non-viral composition including excipients. The formulations can be used, for example, to retain the infectivity or immunogenicity of viruses during periods of storage.

Lyophilized viral formulations

The present invention relates to a method for removing neoplastic cells from a mixed cellular composition, which is outside of a living organism, by using a virus which selectively infect and kill neoplastic cell. A variety of viruses can be used in this method to remove neoplastic cells for different purposes, for example, to purge hematopoietic stem cells prior to transplantation. Also provided are compositions prepared according to this method, and kits comprising a combination of viruses which are useful in this invention.

Virus clearance of neoplastic cells from mixed cellular compositions

Methods for treating proliferative disorders, by administering reovirus to a Ras-mediated proliferative disorder, are disclosed. The reovirus is administered so that it ultimately directly contacts ras-mediated proliferating cells. Proliferative disorders include but are not limited to neoplasms. Human reovirus, non-human mammalian reovirus, and/or avian reovirus can be used. If the reovirus is human reovirus, serotype 1 (e.g., strain Lang), serotype 2 (e.g., strain Jones), serotype 3 (e.g., strain Dearing or strain Abney), as well as other serotypes or strains of reovirus can be used. Combinations of more than one type and/or strain of reovirus can be used, as can reovirus from different species of animal. Either solid neoplasms or hematopoietic neoplasms can be treated.

Reovirus for the treatment of cellular proliferative disorders

The present invention relates to a method of increasing the sensitivity of neoplastic cells to chemotherapeutic agents by using a virus, a method of treating proliferative disorders with a virus and chemotherapeutic agents, and a method for preventing a neoplasm from developing drug resistance to chemotherapeutic agents. The virus is preferably a reovirus.

Sensitization of chemotherapeutic agent resistant neoplastic cells with a virus

The present invention provides a method of detecting adventitious agents in a composition comprising a microorganism by using ribozyme-expressing indicator cells, as well as indicator cells useful in such detection.

Use of ribozymes in the detection of adventitious agents

Reovirus can be used to selectively remove ras-mediated neoplastic cells from a cellular composition. It is of particular interest to purge autographs which may contain neoplastic cells with reovirus before transplanting the autographs back into the recipient, thereby reducing the risk of introducing or reintroducing neoplastic cells into the recipient.

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Calgary, Canada

Matthew C Coffey