Healthcare Industry News: 5-FU
News Release - August 23, 2018
Tocagen's Toca 5 Pivotal Phase 3 Clinical Trial in Patients with Recurrent Brain Cancer Continues Without Modification at Planned First Interim AnalysisSAN DIEGO, Aug. 23, 2018 -- (Healthcare Sales & Marketing Network) -- Tocagen Inc. (Nasdaq : TOCA ), a clinical-stage, cancer-selective gene therapy company, today announced the Toca 5 pivotal Phase 3 trial continues without modification following a planned first interim analysis of data conducted by an Independent Data Monitoring Committee (IDMC). The IDMC completed its analysis at 50% of events occurring in patients with brain cancer and recommended the trial continue without modification. The global trial is enrolling robustly and nearing full enrollment.
"We are pleased with the outcome of the interim analysis of the Toca 5 trial by the independent Data Monitoring Committee and the global trial continues. The Toca 5 trial is nearing completion of full enrollment of patients ahead of the projected schedule. We plan to conduct the second interim analysis in the first half of 2019 after 75% of events have occurred," said Asha Das, M.D., senior vice president and chief medical officer of Tocagen.
Toca 5 is a Phase 3, randomized, multi-center study evaluating the safety and efficacy of Toca 511 & Toca FC compared to standard of care in patients undergoing resection for recurrent high grade glioma (HGG). The primary endpoint of the trial is overall survival (OS). The statistical plan for the primary endpoint assumes a median OS of 9.8 months for the control arm versus 14.3 months for the Toca 511 & Toca FC arm. A total of 257 events will provide the study with 85% power to detect a hazard ratio of 0.685. The U.S. Food and Drug Administration (FDA) has granted Toca 511 & Toca FC Breakthrough Therapy Designation for the treatment of recurrent HGG and the European Medicines Agency (EMA) has granted Toca 511 PRIME (PRIority MEdicines) designation for the treatment of glioma. More information about the Toca 5 trial can be found on ClinicalTrials.gov using the clinical trial identifier NCT02414165.
About Toca 511 & Toca FC
Tocagen's lead product candidate is a two-part cancer-selective immunotherapy comprised of an investigational biologic, Toca 511 and an investigational small molecule, Toca FC. Toca 511 (vocimagene amiretrorepvec) is a retroviral replicating vector (RRV) that selectively infects cancer cells and delivers a gene for the enzyme, cytosine deaminase (CD). Through this targeted delivery, infected cancer cells carry the CD gene and produce CD. Toca FC is an orally administered, extended-release formulation of the prodrug, 5-fluorocytosine (5-FC), which is converted into an anti-cancer drug, 5-fluorouracil (5-FU), when it encounters CD. 5-FU kills cancer cells and immune-suppressive myeloid cells in the tumor microenvironment resulting in anti-cancer immune activation and subsequent tumor killing.
About Tocagen Inc.
Tocagen is a clinical-stage, cancer-selective gene therapy company developing first-in-class, broadly applicable product candidates designed to activate a patient's immune system against their own cancer. Tocagen's lead investigational product candidate, Toca 511 & Toca FC, is under evaluation in a pivotal Phase 3 trial for recurrent high grade glioma (HGG), a disease with significant unmet medical need. The U.S. Food and Drug Administration (FDA) has granted Toca 511 & Toca FC Breakthrough Therapy Designation for the treatment of recurrent HGG and the European Medicines Agency (EMA) has granted Toca 511 PRIME (PRIority MEdicines) designation for the treatment of glioma. For more information about Tocagen, visit www.tocagen.com.
Statements contained in this press release regarding matters that are not historical facts are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Because such statements are subject to risks and uncertainties, actual results may differ materially from those expressed or implied by such forward-looking statements. Such statements include, but are not limited to, statements regarding our business plans and objectives and expectations regarding the enrollment, timing and success of our clinical trials. Risks that contribute to the uncertain nature of the forward-looking statements include: the success, cost and timing of our product candidate development activities and planned clinical trials; our ability to execute on our strategy; regulatory developments in the United States and foreign countries; and our estimates regarding expenses, future revenue and capital requirements. These and other risks and uncertainties are described more fully under the caption "Risk Factors" and elsewhere in Tocagen's filings and reports with the United States Securities and Exchange Commission. All forward-looking statements contained in this press release speak only as of the date on which they were made. Tocagen undertakes no obligation to update such statements to reflect events that occur or circumstances that exist after the date on which they were made.
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