On May 10, 2018 Tocagen Inc. (Nasdaq: TOCA), a clinical-stage, cancer-selective gene therapy company, reported financial results and business highlights for the first quarter ended March 31, 2018 (Press release, Tocagen, MAY 10, 2018, View Source;p=RssLanding&cat=news&id=2348569 [SID1234526497]).
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"We are off to a strong start this year and are well positioned to execute on our key priorities, including completing enrollment in our Phase 3 trial in recurrent brain cancer by year end," said Marty Duvall, chief executive officer of Tocagen. "In parallel, we are working to expand Toca 511 & Toca FC into newly diagnosed brain cancer while exploring its potential in other tumor types."
First Quarter 2018 and Recent Highlights
Entered into a license agreement with ApolloBio: In April 2018, Tocagen and ApolloBio entered a license agreement to develop and commercialize Toca 511 & Toca FC within the greater China region. Tocagen is eligible to receive up to $127 million in upfront payment, development and commercial milestones, plus additional double-digit tiered sales royalties. Upfront and near-term development milestone payments total up to $20 million. More details are available in the corresponding Form 8-K filed with the U.S. Securities and Exchange Commission (SEC).
Updated durable response data from Phase 1 recurrent high grade glioma (rHGG) resection study: Updated durable response data from the Phase 1 study involving patients with rHGG who received Toca 511 & Toca FC at the time of surgical resection were presented by trial investigators at the 2018 American Academy of Neurology (AAN) Annual Meeting and 2018 American Association of Neurological Surgeons (AANS) Annual Scientific Meeting. Tocagen previously presented data from this study as of August 15, 2017. In the presentations at AAN and AANS, updated data showed Toca 511 & Toca FC continue to demonstrate a favorable safety profile and all study responders remained alive and in complete response as of December 20, 2017. As of this cutoff date, the median duration of durable response had not yet been reached, with a median follow-up period of 37.4 months.
Presented preliminary Toca 6 Phase 1 data: At the American Association for Cancer Research (AACR) (Free AACR Whitepaper) Annual Meeting 2018, research collaborators presented preliminary clinical data that suggest the potential feasibility of intravenous (IV) administration of Toca 511 from the ongoing Toca 6 Phase 1 trial of Toca 511 & Toca FC in patients with advanced solid tumors. Safety, tolerability and confirmation of vector deposition in metastatic tumors was demonstrated in five patients with advanced solid tumors who received Toca 511 intravenously. These data inform Tocagen’s plans to initiate additional studies evaluating the efficacy of Toca 511 & Toca FC in patients with advanced cancers.
First Quarter 2018 Financial Results
Research and Development (R&D) Expenses: R&D expenses were $10.4 million for the quarter ended March 31, 2018, compared to $6.6 million for the quarter ended March 31, 2017. The increase in R&D expenses in 2018 was primarily driven by higher costs to support the expanded Toca 5 trial and increased activities in manufacturing of Toca 511 & Toca FC.
General and Administrative (G&A) Expenses: G&A expenses were $2.4 million for the quarter ended March 31, 2018, compared to $1.9 million for the quarter ended March 31, 2017. The increase in G&A expenses was primarily due to increased stock-based compensation expense and costs associated with being a public company during the first quarter of 2018.
Net Loss: Net loss was $12.9 million, or $0.65 per common share (basic and diluted), for the quarter ended March 31, 2018, compared to a net loss of $9.1 million, or $4.11 per common share (basic and diluted), for the quarter ended March 31, 2017. The 2018 calculation is based on 19.9 million average common shares outstanding for the first quarter of 2018, compared to 2.2 million average common shares outstanding for the first quarter of 2017.
Cash Position and Guidance
Cash, cash equivalents and marketable securities were $74.0 million at March 31, 2018 compared to $88.7 million at December 31, 2017. Subsequent to the close of the first quarter 2018, Tocagen signed a license agreement with ApolloBio and expects to receive $16 million by early in the third quarter of 2018, according to the terms of the licensing agreement. Tocagen reiterates its annual guidance and continues to estimate the total cash used in 2018 to fund operations, capital expenditures and debt amortization will not exceed $50 million.
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.