On August 7, 2019 TRACON Pharmaceuticals (NASDAQ:TCON), a clinical stage biopharmaceutical company focused on the development and commercialization of novel targeted therapeutics for cancer and wet age-related macular degeneration through our license to Santen Pharmaceutical Co. Ltd., and utilizing our product development platform to partner with ex-U.S. companies to develop and commercialize innovative products in the U.S., reported financial results for the second quarter ended June 30, 2019 (Press release, Tracon Pharmaceuticals, AUG 7, 2019, View Source [SID1234538447]).
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Recent Corporate Highlights
In August, our partner Santen announced the completion of enrollment in the randomized Phase 2 AVANTE study of DE-122 in combination with Lucentis (ranibizumab) in patients with wet age-related macular degeneration (AMD).
In July, we initiated dosing of the first patient in a Phase 1 study of TJ004309 (CD73 antibody) as a single agent and in combination with Tecentriq (atezolizumab), a PD-L1 checkpoint inhibitor marketed by Roche, in patients with advanced solid tumors.
In June, data from the ongoing Phase 1/2 clinical trial of TRC253 in metastatic castrate resistant prostate cancer patients were published in the 2019 ASCO (Free ASCO Whitepaper) Proceedings. 22 patients who had progressed on prior Xtandi (enzalutamide) or Erleada (apalutamide) treatment were enrolled into one of six cohorts of escalating doses of TRC253. The single patient with a F877L androgen receptor (AR) point mutation at baseline remained on treatment for 49 weeks with a partial response by RECIST. The remaining 21 patients did not have a F877L AR point mutation at baseline, and 48% (10) remained on study for at least 6 months and one patient had a greater than 50% decrease in prostate specific antigen. TRC253 was well-tolerated and no drug-related serious adverse events were reported.
"We are excited to have initiated clinical development of TJ004309 and next look forward to collaborating on up to five bispecific antibodies with I-Mab Biopharma beginning with the first IND in 2020," said Charles Theuer, M.D., Ph.D., President and CEO of TRACON. "We also continue to evaluate opportunities to establish new corporate partnerships. We are focused on ex-U.S. companies with first-in-class, best-in-class or fast follower clinical stage assets that could benefit from accessing our product development platform, which we believe offers a rapid and capital-efficient U.S. drug development and commercialization solution."
Expected Upcoming Milestones
Top-line data, including the primary endpoint of mean change in best corrected visual acuity at six months, from the randomized Phase 2 AVANTE trial of DE-122 in patients with wet AMD are expected in the first half of 2020.
Presentation of Phase 2 data from Phase 1/2 clinical trial of TRC253 in metastatic castrate resistant prostate cancer to Janssen is expected in the second half of 2020, whereupon Janssen will have an exclusive option to reacquire full rights to TRC253 for an opt-in payment of $45 million to TRACON, and obligations to pay regulatory and commercialization milestones totaling up to $137.5 million upon achievement of specified events and a low single-digit royalty on net sales.
Second Quarter 2019 Financial Results
Cash, cash equivalents and short-term investments were $26.3 million at June 30, 2019, compared to $39.1 million at December 31, 2018. We expect our current cash, cash equivalents and short-term investments to fund operations into the third quarter of 2020.
Research and development expenses for the second quarter of 2019 were $4.3 million compared to $8.1 million for the second quarter of 2018. The decrease was primarily attributable to lower manufacturing expenses due to the discontinuation of the TRC105 program.
General and administrative expenses for the second quarter of 2019 were $1.9 million compared to $1.6 million for the second quarter of 2018.
Net loss for the second quarter of 2019 was $6.3 million compared to $9.8 million for the second quarter of 2018.
Investor Conference Call
The Company will hold a conference call today at 4:30 p.m. EDT / 1:30 p.m. PDT to provide an update on corporate activities and to discuss the financial results of its second quarter 2019. The dial-in numbers are (855) 779‑9066 for domestic callers and (631) 485-4859 for international callers. Please use passcode 7498077. A live webcast of the conference call will be available online from the Investor/Events and Presentation page of the Company’s website at www.traconpharma.com.
After the live webcast, a replay will remain available on TRACON’s website for 60 days.
About DE-122 (carotuximab)
DE-122, an ophthalmic formulation of carotuximab, is active in preclinical choroidal neovascularization (CNV) models and designed to enhance the effect of approved VEGF inhibitors used to treat wet AMD. DE-122 is being investigated in the Phase 2 randomized AVANTE trial assessing the efficacy and safety of intravitreal injections in combination with Lucentis (ranibizumab) compared to Lucentis monotherapy in patients with wet AMD.
About TRC253
TRC253 is a novel, orally bioavailable small molecule drug that is a potent, high affinity competitive inhibitor of the androgen receptor (AR) and AR mutations, including the F877L mutation. The AR F877L mutation results in an alteration in the AR ligand binding domain that confers resistance to therapies for prostate cancer. Therapies targeting the AR have demonstrated clinical efficacy by extending time to disease progression, and in some cases, the survival of patients with metastatic castration-resistant prostate cancer. However, resistance to these agents is often observed and several molecular mechanisms of resistance have been identified, including gene amplification, overexpression, alternative splicing, and point mutation of the AR. TRC253 is currently being studied in a Phase 1/2 clinical trial in prostate cancer. For more information about the clinical trial, please visit TRACON’s website at www.traconpharma.com/clinical_trials.php
About TJ004309
TJ004309 is a novel, humanized antibody against CD73, an ecto-enzyme expressed on stromal cells and tumors that converts extracellular adenosine monophosphate (AMP) to adenosine, which is highly immunosuppressive. TJ004309 is currently being studied in a Phase 1 trial to assess safety and preliminary efficacy as a single agent and when combined with the PD-L1 checkpoint inhibitor Tecentriq in patients with advanced solid tumors.