On May 12, 2021 HOOKIPA Pharma Inc. (NASDAQ: HOOK, ‘HOOKIPA’), a company developing a new class of immunotherapeutics based on its proprietary arenavirus platform, reported financial results and business highlights for the first quarter of 2021 (Press release, Hookipa Pharma, MAY 12, 2021, View Source [SID1234579783]).
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"We had a strong start to the year as we drive our pipeline forward to deliver a new class of arenavirus-based immunotherapeutics. As we shared at AACR (Free AACR Whitepaper), one initial dose of our lead oncology candidates, HB-201 or HB-202, each induced a robust increase in antigen-specific T cells, including an increase of up to 8% of antigen-specific circulating CD8+ T cells, in people with advanced Human Papillomavirus 16-positive (HPV16+) cancers," said Joern Aldag, Chief Executive Officer at HOOKIPA. "We believe these data are impressive, and they are consistent with the pre-clinical data published in Cell Reports Medicine in March. Both data sets highlight the potential of our engineered arenavirus platform to redefine success in cancer immunotherapy. As our clinical programs progress, we’re excited about the oral abstract presentation at ASCO (Free ASCO Whitepaper) (#2502) and other future data presentations at upcoming conferences."
Program Highlights
In April 2021, HOOKIPA announced positive preliminary Phase 1 immunogenicity data for its lead oncology candidates, HB-201 and HB-202, for the treatment of advanced HPV16+ cancers, reinforcing the promising anti-tumor activity reported from the Phase 1/2 clinical trial in December 2020. The preliminary immunogenicity data demonstrated a robust increase in HPV16+-specific T cells, including an increase of up to 8% of antigen-specific circulating CD8+ T cells, after one dose of HB-201 or HB-202. Early HB-201 monotherapy data also highlighted immune system activation of increasing interferon-gamma and other immune stimulatory cytokines with a single dose. The data were presented at a late-breaker poster session at the virtual American Association for Cancer Research (AACR) (Free AACR Whitepaper) Annual Meeting.
In March, Cell Reports Medicine published pre-clinical data on HOOKIPA’s arenaviral therapeutics. The peer-reviewed article showed that intravenous HB-201 administration induced single digit percentage of antigen-specific CD8+ T cells, while alternating administration of HB-201 and HB-202 induced a potent CD8+ T cell response, exceeded 50% of the circulating T cell pool. The two-vector cancer therapeutic approach also resulted in tumor cures and long-term immunity in a pre-clinical setting.
HOOKIPA’s prophylactic Cytomegalovirus, or CMV, vaccine candidate, HB-101, continued to enroll patients awaiting kidney transplantation in a Phase 2 clinical trial. We expect to conclude trial enrollment in mid-2021 and to report additional safety, immunogenicity, and efficacy data from evaluable patients in the second half of 2021.
Upcoming Milestones
Oral abstract presentation at ASCO (Free ASCO Whitepaper) (#2502 at 3:00pm EDT on June 7): First report of the safety/tolerability and preliminary antitumor activity of HB-201 and HB-202, an arenavirus-based cancer immunotherapy, in patients with HPV16+ cancers
Initial HB-201/HB-202 Phase 1/2 efficacy data in HPV16+ cancers in mid-2021
Additional HB-101 CMV Phase 2 efficacy data in H2 2021
Advancing our HB-300 to IND for the treatment of metastatic prostate cancer
HBV and HIV collaboration with Gilead Sciences advancing towards clinical studies
First Quarter 2021 Financial Results
Cash Position: HOOKIPA’s cash, cash equivalents and restricted cash as of March 31, 2021 was $128.1 million compared to $143.2 million as of December 31, 2020. The decrease was primarily attributable to cash used in operating activities.
Revenue was $5.3 million for the three months ended March 31, 2021, and $3.7 million for the three months ended March 31, 2020. The increase was primarily due to higher cost reimbursements received under the Collaboration Agreement with Gilead and the recognition of cost reimbursements initially recognized as deferred revenue.
Research and Development Expenses: HOOKIPA’s research and development expenses were $20.2 million for the three months ended March 31, 2021, compared to $11.5 million for the three months ended March 31, 2020.
The primary drivers of the increase in direct research expenses were an increase in clinical trial expenses of $1.5 million and an increase in manufacturing and quality control expenses of $4.6 million.
The increase was mainly due to the progress in our HB-201 and HB-202 clinical trial, the increased patient recruitment in our HB-201 and HB-202 clinical trial, monitoring and testing activities and manufacturing and quality control work in preparation of a further extension of the trial. Manufacturing and quality control expenses were also driven by the progress towards clinical development in our Gilead partnered programs. This increase in HB-201/HB-202 and Gilead related direct expenses was partially offset by a decrease in direct costs related to our HB-101 program due to slower patient recruitment as a result of the COVID pandemic.
The increase in internal research and development expenses was mainly due to an increase of personnel-related research and development expenses, resulting primarily from a higher headcount, while stock-based compensation expenses included in personnel-related research and development expenses decreased. In addition, an increase in facility related costs and an increase in other internal costs contributed to the overall increase in internal research and development expenses.
General and Administrative Expenses: General and administrative expenses for the three months ended March 31, 2021 were $4.3 million, compared to $4.6 million for the three months ended March 31, 2020. The decrease was primarily due to a decrease in personnel-related expenses, partially offset by an increase in professional and consulting fees. The decrease in personnel-related expenses resulted from decreased stock compensation expenses, partially offset by increased salaries and a growth in headcount in our general and administrative functions.
Net Loss: HOOKIPA’s net loss was $17.2 million for the three months ended March 31, 2021 compared to a net loss of $10.9 million for the three months ended March 31, 2020. This increase was due to an increase in research and development expenses, partially offset by an increase in revenues from collaboration and licensing, a decrease in general and administrative expenses, and an increase in grant income.