Oncternal Therapeutics Provides Business Update and Announces Second Quarter 2022 Financial Results
2022-08-09
合作财报抗体细胞疗法ASCO会议
Oncternal Therapeutics Provides Business Update and Announces Second Quarter 2022 Financial Results
Interim Phase 1/2 results for zilovertamab plus ibrutinib in MCL presented at ASCO 2022, with ORR of 85% and CR rate of 41%, compare favorably to historical single agent ibrutinib data and support moving into Phase 3 Study ZILO-301
Interim data from p53-mutated CLLp53-mutated CLL patients in the same Phase 1/2 study showed encouraging activity in sub-group analyses, with landmark PFS of 100% at 36 months, compares favorably to historical PFS for ibrutinib monotherapy
Established a clinical trial and supply agreement with Pharmacyclics for the donation of ibrutinib for our global registrational Phase 3 study, ZILO-301, of zilovertamab in patients with MCL, which is on track to be initiated in September 2022
Advanced development of ONCT-808, the lead candidate for our autologous CAR-T program targeting ROR1-expressing malignanciesROR1-expressing malignancies, with IND submission on track for later this month
Executing IND enabling studies for ONCT-534, the lead candidate in our novel dual-action androgen receptor inhibitor (DAARI) program
Extended cash runway guidance to fund operations into the first half of 2024 with $78.9 million in cash and cash equivalents and no debt as of June 30, 2022
Management to host webcast today at 5:00 pm ET
SAN DIEGO, Aug. 09, 2022 (GLOBE NEWSWIRE) -- Oncternal Therapeutics, Inc. (Nasdaq: ONCT), a clinical-stage biopharmaceutical company focused on the development of novel oncology therapies, today provided a business update and reported financial results for the second quarter of 2022.
“The second quarter of 2022 was highlighted by an encouraging data update at ASCO from our Phase 1/2 study of zilovertamab plus ibrutinib in patients with MCL and CLL. We were especially excited by the results in MCL and CLL patients with loss of p53 function, which is a challenging population to treat with current standard of care BTK inhibitorBTK inhibitor monotherapy” said James Breitmeyer, M.D., Ph.D., Oncternal’s President and CEO. “We are now looking forward to critical near-term catalysts for the company, including the planned initiation of our Phase 3 Study ZILO-301, the submission of our IND for the first-in-human study of ONCT-808, our ROR1-targeting CAR expressing T cell therapy candidate, and the further advancement towards the clinic of ONCT-534, our Dual-Acting Androgen Receptor Inhibitor (DAARI) product candidate that may address key resistance mechanisms in metastatic prostate cancer. All this is underpinned by focused execution and prudent cash and resource management. We currently expect our cash runway will last into the first half of 2024.”
Recent Highlights
In June 2022, we announced an interim clinical data update from the ongoing Phase 1/2 clinical trial of zilovertamab in combination with ibrutinib for patients with mantle cell lymphoma (MCL) and chronic lymphocytic leukemia (CLL) [NCT03088878] at the American Society of Clinical Oncology (ASCO) 2022 Annual Meeting:
Objective response rate (ORR) of 85% (23 of 27 evaluable patients) observed for patients with MCL treated with zilovertamab plus ibrutinib, which compares favorably to the historical ORR of 66% for ibrutinib monotherapy
Complete response (CR) rate of 41% for patients with MCL treated with zilovertamab plus ibrutinib (11 of 27 evaluable patients), which compares favorably to the historical ORR of 20% for ibrutinib monotherapy
Median progression-free survival (PFS) of 35.9 months for patients with MCL treated with zilovertamab plus ibrutinib at a median follow-up of 15.1 months, which compares favorably to the historical ibrutinib monotherapy median PFS of 12.8 months
In patients with p53 pathway-deficient CLL, landmark PFS with zilovertamab plus ibrutinib of 100% at 24 months and 100% at 30 months, which compare favorably to the historical ibrutinib monotherapy landmark PFS of ~68% and ~55% at 24 months and 30 months, respectively. Mutations in or loss of p53 protein, which has been called the “guardian of the genome,” is a well-known negative factor in many types of cancer, through genomic instability and loss of tumor suppression
The combination of zilovertamab and ibrutinib continued to be well tolerated, with a safety profile consistent with or improved compared with historical data for ibrutinib monotherapy
In June 2022, we established a clinical trial collaboration and supply agreement with Pharmacyclics, which includes the supply of ibrutinib to support our global registrational Phase 3 study ZILO-301, to treat patients with relapsed or refractory MCL with zilovertamab plus ibrutinib.
In April 2022, a Phase 1b investigator sponsored trial of zilovertamab plus docetaxel for patients with metastatic castration-resistant prostate cancer (mCRPC) was initiated at the University of California, San Diego.
In April 2022, we established a clinical manufacturing agreement with the Dana-Farber Cancer InstituteCancer Institute to conduct cGMP cell preparation and manufacturing activities for use in first-in-human studies of our ROR1-targeting CAR-T cell therapy candidate ONCT-808.
Expected Upcoming Milestones
Zilovertamab, our ROR1 antibody program
Initiation of global registrational Phase 3 Study ZILO-301, in September 2022
Interim clinical data update for patients with MCL and CLL treated with zilovertamab plus ibrutinib in ongoing Phase 1/2 clinical study CIRM-0001, in the fourth quarter of 2022
ONCT-808, lead candidate in our autologous ROR1-targeted CAR-T cell therapy program Investigational New Drug (IND) application submission in August 2022
ONCT-534, lead candidate in our DAARI program FDA pre-IND interactions in the fourth quarter of 2022
Second Quarter 2022 Financial Results
Our grant revenue was $0.2 million for the second quarter ended June 30, 2022. Our grant revenue is derived from a subaward under a grant from the California Institute for Regenerative Medicine (CIRM) to the University of California, San Diego and two research and development grant awards from the National Institutes of Health (NIH).
Our total operating expenses for the second quarter ended June 30, 2022 were $12.0 million, including $1.7 million in non-cash stock-based compensation expense. Research and development expenses for the quarter totaled $8.8 million, and general and administrative expenses for the quarter totaled $3.2 million. Net loss for the second quarter was $11.7 million, or a loss of $0.23 per share, basic and diluted.
As of June 30, 2022, we had approximately 52.2 million shares of common stock outstanding, $78.9 million in cash and cash equivalents and no debt. We believe these funds will be sufficient to fund our operations into the first half of 2024. Our cash guidance is subject to a number of assumptions, including those related to the severity and duration of the COVID-19 pandemic, and the pace of our research and clinical development programs, among other aspects of our business and the geopolitical environment.
About Oncternal Therapeutics
Oncternal Therapeutics is a clinical-stage biopharmaceutical company focused on the development of novel oncology therapies for the treatment of patients with cancers that have critical unmet medical need. Oncternal pursues drug development targeting promising, yet untapped biological pathways implicated in cancer generation or progression, focusing on hematological malignancies and prostate cancer. The lead clinical program is zilovertamab, an investigational monoclonal antibody designed to inhibit ROR1, a type I tyrosine kinase-like orphan receptor. Zilovertamab is being evaluated in a Phase 1/2 clinical trial in combination with ibrutinib for the treatment of patients with mantle cell lymphoma (MCL) and chronic lymphocytic leukemia (CLL), in investigator-initiated studies, including a Phase 2 clinical trial of zilovertamab in combination with venetoclax, a Bcl-2 inhibitor, in patients with relapsed/refractory CLL, and in a Phase 1b study of zilovertamab in combination with docetaxel in patients with metastatic castration-resistant prostate cancer (mCRPC). Oncternal is also developing ONCT-808, a chimeric antigen receptor T (CAR-T) cell therapy that targets ROR1, which is currently in advanced preclinical development as a potential treatment for hematologic cancers and solid tumors. The early-stage pipeline also includes ONCT-534, a dual-action androgen receptor inhibitor (DAARI) that is in advanced preclinical development as a potential treatment for castration resistant prostate cancer, including those with clinically important resistance to approved androgen receptor inhibitorsandrogen receptor inhibitors. More information is available at https://oncternal.com/.
Forward-Looking Information
Oncternal cautions you that statements included in this press release that are not a description of historical facts are forward-looking statements. In some cases, you can identify forward-looking statements by terms such as “may,” “will,” “should,” “expect,” “plan,” “anticipate,” “could,” “intend,” “target,” “project,” “contemplates,” “believes,” “estimates,” “predicts,” “potential” or “continue” or the negatives of these terms or other similar expressions. These statements are based on Oncternal’s current beliefs and expectations. Forward-looking statements include statements regarding Oncternal’s development programs, including the anticipated timing for announcing additional preclinical and clinical data; timing of reaching any milestones, including IND submissions; timing for regulatory communications; Oncternal’s expected cash runway; and the potential that Study ZILO-301 can serve as a registrational clinical trial; and the expected initiation of clinical trials, including Study ZILO-301. Forward-looking statements are subject to risks and uncertainties inherent in Oncternal’s business, including risks associated with the clinical development and process for obtaining regulatory approval of Oncternal’s product candidates, such as potential delays in the commencement, enrollment and completion of clinical trials; we have not conducted head-to-head studies of zilovertamab in combination with ibrutinib compared to ibrutinib monotherapy and data from separate studies may not be directly comparable due to the differences in study protocols, conditions and patient populations; the risk that interim results of a clinical trial do not predict final results and that one or more of the clinical outcomes may materially change as patient enrollment continues, following more comprehensive reviews of the data, as follow-up on the outcome of any particular patient continues, and as more patient data become available; later developments with the FDA may be inconsistent with the minutes from the completed end of Phase 2 meeting, including that the proposed Study ZILO-301 that may not support registration of zilovertamab in combination with ibrutinib which is a review issue with the FDA upon submission of a BLA; and other risks described in Oncternal’s filings with the U.S. Securities and Exchange Commission. All forward-looking statements in this press release are current only as of the date hereof and, except as required by applicable law, Oncternal undertakes no obligation to revise or update any forward-looking statement, or to make any other forward-looking statements, whether as a result of new information, future events or otherwise. All forward-looking statements are qualified in their entirety by this cautionary statement. This caution is made under the safe harbor provisions of the Private Securities Litigation Reform Act of 1995.
Richard Vincent
858-434-1113
rvincent@oncternal.com
Media
Corey Davis, Ph.D.
212-915-2577
cdavis@lifesciadvisors.com
Condensed Consolidated Balance Sheets Data
(in thousands)
June 30,
2022
(Unaudited) December 31,
2021 Cash and cash equivalents $78,900 $90,765 Total assets 81,526 93,585 Total liabilities 7,525 5,465 Accumulated deficit (135,775) (114,130)Total stockholders’ equity 74,001 88,120
Condensed Consolidated Statements of Operations Data
(Unaudited; in thousands, except per share data)
Three Months Ended
June 30, Six Months Ended
June 30, 2022 2021 2022 2021 Grant revenue $191 $883 $937 $1,631 Operating expenses: Research and development 8,761 5,192 15,740 9,105 General and administrative 3,225 3,381 6,904 6,174 Total operating expenses 11,986 8,573 22,644 15,279 Loss from operations (11,795) (7,690) (21,707) (13,648)Interest income 54 8 62 18 Net loss $(11,741) $(7,682) $(21,645) $(13,630)Net loss per share, basic and diluted $(0.23) $(0.16) $(0.44) $(0.28)Weighted-average shares outstanding, basic and diluted 50,064 49,364 49,748 49,230
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