On June 10, 2019 Oncternal Therapeutics, Inc., (Nasdaq: ONCT) a clinical-stage biotechnology company developing potential first-in-class product candidates for cancers with critical unmet medical need, reported that the reverse merger with GTx, Inc., closed on June 7, 2019 (Press release, GTx, JUN 10, 2019, View Source [SID1234536962]). The combined company will operate under the name Oncternal Therapeutics, Inc., and its shares will commence trading on the Nasdaq stock exchange on June 10, 2019, under the ticker symbol "ONCT."
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"We believe that the closing of the merger signifies a transformative event that will provide Oncternal with the opportunity to achieve its next level of corporate growth as we continue to advance our promising oncology drug candidates through development," said James Breitmeyer, M.D., Ph.D., Oncternal’s President and CEO. "We recently presented updated interim data from an ongoing clinical study of our investigational monoclonal antibody, cirmtuzumab, at the American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) Annual Meeting, and we look forward to achieving a number of exciting milestones in our development programs in the future."
Pursuant to the merger, all of Oncternal’s outstanding shares of common stock and securities convertible into or exercisable for Oncternal’s common stock were converted into GTx common stock and securities convertible into or exercisable for GTx common stock. Immediately following the completion of the merger, the former stockholders of Oncternal held approximately 77.5% of the outstanding shares of common stock of the combined company. In addition to retaining an ownership interest representing approximately 22.5% of the outstanding shares of common stock of the combined company, the GTx stockholders of record as of immediately prior to the effective time of the merger received contingent value rights (CVR) entitling the holders to receive, in the aggregate, 75% of any net proceeds derived from the grant, sale or transfer of rights to GTx’s selective androgen receptor degrader (SARD) and selective androgen receptor modulator (SARM) technology during the term of the CVR and, if applicable, to receive royalties on the sale of any SARD products by the combined company during the term of the CVR.
Oncternal’s development pipeline consists of the following programs:
Oncternal’s lead program, cirmtuzumab, is an investigational, potential first-in-class anti-receptor tyrosine kinase-like orphan receptor 1 (ROR1) monoclonal antibody. Cirmtuzumab is currently in a Phase 1/ 2 clinical trial in combination with ibrutinib for the treatment of chronic lymphocytic leukemia (CLL) and mantle cell lymphoma (MCL). Last week, the company presented interim data from the study at the ASCO (Free ASCO Whitepaper) 2019 Annual Meeting. In addition, an investigator-initiated Phase 1 clinical trial of cirmtuzumab in combination with paclitaxel for women
with metastatic breast cancer is being conducted at the University of California San Diego (UC San Diego) School of Medicine. The California Institute for Regenerative Medicine (CIRM) has provided funding to support the cirmtuzumab development program.
TK216, an investigational, potential first-in-class small molecule designed to inhibit the biological activity of E26 transformation-specific (ETS) oncoproteins, is being evaluated alone and in combination with vincristine in a Phase 1 clinical trial in patients with relapsed or refractory Ewing sarcoma, a rare pediatric cancer. Oncternal is also planning a Phase 1 clinical trial in patients with relapsed acute myeloid leukemia (AML).
A ROR-1 targeted chimeric antigen receptor T-cell (CAR-T) program is in preclinical development in collaboration with UC San Diego for hematologic cancers and solid tumors.