On August 8, 2019 Ziopharm Oncology, Inc. ("Ziopharm" or the "Company") (Nasdaq: ZIOP), a clinical stage immuno-oncology company developing next generation cell and gene therapies, reported its financial results for the second quarter ended June 30, 2019, and provided an update on the Company’s recent activities (Press release, Ziopharm, AUG 8, 2019, View Source [SID1234538390]).

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"We have made significant advancements in our programs during the second quarter. The FDA cleared the IND for the first non-viral, neoantigen-specific TCR-T cell therapy at the NCI using our Sleeping Beauty system and we announced an exclusive license to an expansive library of TCRs against neoantigens in three of the most important hotspot families," said Laurence Cooper, M.D., Ph.D., Chief Executive Officer of Ziopharm. "In our Controlled IL-12 program, we completed enrollment of the third dosing cohort in our phase 1 combination trial with nivolumab and initiated a phase 2 combination trial with Regeneron’s Libtayo. Finally, we refined our plans for the third-generation Sleeping Beauty CD19-specific CAR-T phase 1 trial at MD Anderson Cancer Center, which we continue to expect to commence later this year."

David Mauney, M.D., President of Ziopharm, added, "As our clinical programs continue to advance, we have strengthened our balance sheet and expanded the breadth and depth of our corporate leadership. We are proud to welcome Sath Shukla and Dr. Drew Deniger to our leadership team and Heidi Hagen to our Board of Directors. We are grateful that through the support of key shareholders who exercised their existing warrants several years prior to expiration, we added $45 million to our treasury to provide us with cash into the first half of 2021, which we expect will allow us to see data readouts in the three programs."

Corporate Updates

Since the beginning of the second quarter, Ziopharm has announced positive corporate developments regarding expansion of the management team and strengthening of the company’s balance sheet.

Balance sheet strengthened with $45 million: A group of Ziopharm shareholders, led by MSD Partners, L.P., exercised their existing warrants to purchase common stock, which resulted in gross proceeds of approximately $45 million. We expect this additional capital is sufficient to fund operations into 2021 and provide visibility into important clinical data milestones for Ziopharm’s TCR-T, CAR-T and Controlled IL-12 programs.

Sath Shukla named CFO: With 20 years of strategic corporate and financial leadership experience, Mr. Shukla joins as Chief Financial Officer from Vertex Pharmaceuticals, where he was most recently Vice President and global Head of Corporate Finance, directing financial planning, analysis and budgeting, and leading the annual long-range planning process encompassing Vertex’s entire portfolio and operations across more than 30 countries.

NCI’s Dr. Drew Deniger to Direct TCR-T Cell Therapy Program: In early July, Ziopharm announced that Dr. Deniger was hired from the NCI to lead Ziopharm’s non-viral T-cell program targeting neoantigens for personalized immunotherapy of solid tumors. Dr. Deniger worked under Dr. Steven Rosenberg at the NCI and is a recognized leader in the identification of TCRs targeting neoantigens. Dr. Deniger has a track record of helping to advance innovative immunotherapy approaches into the clinic and has years of expertise with the Sleeping Beauty system.

Heidi Hagen joins Board of Directors: In June, Ziopharm appointed Heidi Hagen, an experienced and entrepreneurial biotechnology operations executive, to the Company’s board of directors. The addition of Ms. Hagen represented the fifth new board member for Ziopharm in the past year.

Program Updates

Sleeping Beauty TCR-T Therapies

The Company is using its non-viral gene transfer technology to implement personalized T-cell therapy targeting solid tumors with TCRs. Under a Cooperative Research and Development Agreement (CRADA), the NCI is initiating a clinical trial to treat patients with metastatic/advanced solid tumors using the Company’s Sleeping Beauty transposon/transposase platform to genetically modify patient-derived T cells with TCRs to target patient-specific neoantigens.

FDA Clearance of IND for Sleeping Beauty TCR-T cell therapy: In June, Ziopharm announced that the investigational new drug (IND) application submitted by the NCI had received clearance from the U.S. Food and Drug Administration (FDA) for a clinical trial in solid tumors to evaluate TCR T-cell therapy utilizing Ziopharm’s Sleeping Beauty platform. Under the direction of Steven Rosenberg, M.D., Ph.D., Chief of the Surgery Branch at the NCI, and his team, the site is completing the internal processes for enrollment, while working to detect neoantigens to be targeted, isolating the TCRs and identifying patients for the trial.

Exclusive License with NCI to Identify and Use TCRs Targeting Neoantigens for Cancer with Sleeping Beauty Platform: In May, Ziopharm announced an exclusive license agreement with NCI for intellectual property for the development and commercialization of cell therapies for cancer. The scope of the license includes a library of TCRs against neoantigens in hotspots including mutated KRAS, p53 and EGFR for use with transposons. The license also includes technologies to enhance manufacturing capabilities for clinical-grade T cells (referred to as TCR-T) through the Sleeping Beauty platform.

Sleeping Beauty CAR-T Therapies

Ziopharm is advancing the Sleeping Beauty platform for the rapid personalized manufacture (RPM) of CAR-T cells, co-expressing membrane-bound interleukin-15, or mbIL15, with a safety switch, enabling T cells to be infused within two days after genetic modification. This work on our third-generation Sleeping Beauty technology is undertaken in collaboration with MD Anderson Cancer Center in the United States and in Greater China through a joint venture, Eden BioCell.

Third-generation phase 1 trial for RPM of Sleeping Beauty CD19-specific CAR-T with mbIL15 expected to begin later this year: The Company anticipates beginning a phase 1 trial at MD Anderson Cancer Center in the second half of this year, leveraging the Company’s RPM to produce T cells in two days or less after gene transfer. The Company has prioritized a new clinical trial infusing donor-derived allogeneic RPM CAR-T in patients who relapse after bone marrow transplantation to complement its autologous efforts targeting CD19, thereby providing a suite of CAR-T technologies to address the continuum of patients with refractory CD19+ malignancies.

Eden BioCell to advance third-generation Sleeping Beauty CD19-specific CAR-T for Greater China: With TriArm Therapeutics, a Panacea Venture Healthcare backed company, Eden BioCell was formed as a joint venture to develop and commercialize Sleeping Beauty-generated CD19-specific CAR-T in Greater China using the RPM technology. Recruitment of staff and buildout of facilities is accelerating, and the Eden BioCell team has begun meetings with potential hospital sites and their clinical teams.

Controlled IL-12

Ziopharm is developing its Controlled IL-12 platform, or Ad-RTS-hIL-12 plus veledimex, to control the production of human interleukin 12 (hIL-12) which activates the immune system to recruit and sustain cancer-fighting T cells within solid tumors. Ziopharm is advancing Ad-RTS-hIL-12 plus veledimex for the treatment of recurrent glioblastoma multiforme (rGBM) as a monotherapy and in combination with immune checkpoint inhibitors.

Enrollment completed in third cohort of combination study with OPDIVO (nivolumab): Ziopharm announced in June that it had completed enrollment in three dosing cohorts in its phase 1 study of adult patients with rGBM to evaluate a single dose of Ad-RTS-hIL-12 plus daily veledimex in combination with OPDIVO, an immune checkpoint inhibitor against programmed death-1 (PD-1). Based on a favorable safety profile, investigators from this multi-center trial indicated interest in expanding the study and the Company now expects to enroll up to 12 additional patients at the highest dosing level.

Phase 2 combination trial with Regeneron’s Libtayo (cemiplimab-rwlc) initiated in June: The Company, in collaboration with Regeneron Pharmaceuticals, initiated a phase 2 trial to evaluate Ad-RTS-hIL-12 plus veledimex in combination with Regeneron’s PD-1 antibody Libtayo to treat patients with rGBM. Enrollment for this study has commenced, as the Company expects to enroll about 30 patients at approximately 10 sites.

Positive clinical data presented at 2019 ASCO (Free ASCO Whitepaper) Annual Meeting: New interim analyses of clinical data from two ongoing substudies in its Controlled IL-12 platform, both as monotherapy and in combination with OPDIVO, were presented at ASCO (Free ASCO Whitepaper) in June. Additional updates are expected later this year.

FDA grants Fast Track status to Controlled IL-12 program: Ziopharm announced in April that FDA granted Fast Track designation for its Controlled IL-12 program for the treatment of rGBM in adults.

Second Quarter 2019 Financial Results

Net loss applicable to the common shareholders for the second quarter of 2019 was $14.6 million, or $(0.09) per share, compared to a net loss of $17.5 million, or $(0.12) per share, for the second quarter of 2018. The change in net loss to common shareholders resulted primarily from the elimination of approximately $5.5 million of dividends to preferred shareholders caused by the forfeiture and return of all of the Company’s Series 1 preferred stock in October 2018, along with the changes in research and development expenses and general and administrative expenses noted below.

Research and development expenses were $10.0 million for the second quarter of 2019, compared to $7.5 million for the second quarter of 2018. The increase in research and development expenses for the three months ended June 30, 2019 is primarily due to milestone costs under our patent license agreement with the NCI and increased nonclinical research and development to support our Cell Therapy programs. For additional context, research and development expenses in the first quarter of 2019 were $9.5 million.

General and administrative expenses were $4.8 million for the second quarter of 2019, compared to $4.9 million for the second quarter of 2018. For additional context, general and administrative expenses in the first quarter of 2019 were $4.1 million.

The Company ended the quarter with unrestricted cash resources of approximately $43.6 million.

In addition, a prepayment of approximately $24.2 million remains for programs to be conducted by the Company at MD Anderson Cancer Center under the current Research and Development Agreement.

As announced on July 29, 2019, the company raised approximately $45 million through the exercise of existing warrants. The Company believes its current resources will be sufficient to fund its planned operations into the first half of 2021.

Conference Call and Webcast

The call can be accessed by dialing 1-844-309-0618 (U.S. and Canada) or 1-661-378-9465 (international). The passcode for the conference call is 8279471. To access the live webcast or the subsequent archived recording, visit the "Investors" section of the Ziopharm website at www.ziopharm.com. The webcast will be recorded and available for replay on the Company’s website for two weeks.