( eriod of four consecutive weeks (20 dos...)Chemokine Therapeutics Announces Preliminary Results of CTCE-9908,Phase Ib/II Clinical Trial in Late Stage Cancer Patients,Health

eriod of four consecutive weeks (20 doses in total), with each subject receiving a dose level defined by the dose-escalation schedule. The Phase Ib/II trial includes subjects with advanced tumors refractory to the current standard of care. The trial enrolled patients at the Clinical Research Unit of both the Juravinski Cancer Center (Hamilton, Ontario, Canada) and the Sir Mortimer B. Davis - Jewish General Hospital (Montreal, Quebec, Canada).

During the dose-escalation portion of the Phase Ib/II trial, a total of ten patients were treated with CTCE-9908 with doses ranging from 0.25 to 5 mg/kg/day. Six of the patients received the expected 20 dose course of treatment. Eight of the ten patients received doses within the expected therapeutic range of 1 to 5 mg/kg/day. Among these patients, there were three with late stage ovarian cancer. Two of the three ovarian cancer patients demonstrated stable disease using the Response Evaluation Criteria in Solid Tumors (RECIST) when comparing the size of target tumors at baseline before treatment with CTCE-9908 to the assessment performed at completion of therapy. One of these patients defined as stable disease had an overall decrease tumour mass with an associated decrease of greater than 50% in CA-125 after 9 doses of CTCE-9908 while receiving no other therapy. CA-125 is an ovarian cancer biomarker that is used to monitor disease status and response to treatment.

The daily infusions at all dose levels were generally well tolerated with one subject at the 5mg/kg dose level experiencing moderate localized phlebitis that was attributed to the study drug. No serious adverse events were recorded that were attributed to the use of CTCE-9908 after 20 or more doses.

About CTCE-9908

CTCE-9908 is a peptide analog of the Chemokine SDF-1, and an antagonist of its receptor, CXCR4. SDF-1 is the only known naturally occurring chemokine that binds to CXCR4, which is present on many cancer cells. This binding proces
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