On March 25, 2021 Immunocore (Nasdaq: IMCR), a late-stage biotechnology company pioneering the development of a novel class of T cell receptor (TCR) bispecific immunotherapies designed to treat a broad range of diseases, including cancer, infectious and autoimmune disease, reported its results for the full year ended December 31, 2020 (Press release, Immunocore, MAR 25, 2021, View Source [SID1234577162]).
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2020 Highlights (including post-period)
Lead product candidate tebentafusp demonstrated superior overall survival (OS) in a Phase 3 randomized clinical trial in metastatic uveal melanoma (mUM) where the OS Hazard Ratio (HR) in the intent-to-treat population favored tebentafusp, HR=0.51 (95% CI: 0.36, 0.71). Tebentafusp was granted Breakthrough Therapy Designation by the U.S. Food and Drug Administration (FDA) for unresectable or metastatic uveal melanoma, and the Company anticipates completion of the submission of a Biologics License Application (BLA) in the third quarter of 2021.
Continued development of ImmTAC (Immune mobilizing monoclonal T-cell receptors Against Cancer) clinical portfolio for multiple tumor types; IMC-C103C is currently in the dose escalation phase of a Phase 1 clinical trial in MAGE-A4 expressing solid tumors, with initial data expected to be presented in the second half of 2021; IMC-F106C is currently in a Phase 1 study in patients with PRAME-expressing solid tumors, with initial data expected to be presented mid-year 2022.
Dosing in a Phase 1 clinical trial for patients with chronic hepatitis B virus (HBV) is anticipated for mid-year 2021.
Cash position of $177 million as of December 31, 2020 with an additional $287 million in net proceeds raised from the Company’s initial public offering and a concurrent private placement in February 2021.
Bahija Jallal, Chief Executive Officer of Immunocore, said: "Reflecting on 2020, we have made great strides in the clinical advancement of TCR therapeutics. We believe the tebentafusp clinical data represent the first positive Phase 3 clinical trial for a TCR therapeutic and the first bispecific immune-oncology therapy with demonstrated overall survival advantage in any solid tumor. These results were a culmination of disciplined work by the Immunocore team and strong support by our investors. Our initial public offering in February enables us to accelerate the development of our pipeline of TCR therapeutics and the planned BLA submission of our lead candidate tebentafusp in patients with uveal melanoma, as well as begin early commercialization activities assuming regulatory approval."
Key Pipeline Updates
Tebentafusp
In November 2020, the Company announced tebentafusp achieved the primary endpoint of superior overall survival compared to investigator’s choice in a randomized Phase 3 clinical trial (IMCgp100-202) in previously untreated metastatic uveal melanoma, a cancer that has historically proven to be insensitive to chemotherapy and other immunotherapies. The 378-patient study was unblinded by an independent data monitoring committee at the first pre-planned interim analysis when the OS Hazard Ratio (HR) in the intent-to-treat population favored tebentafusp, HR=0.51 (95% CI: 0.36, 0.71); p< 0.0001, over investigator’s choice (82% pembrolizumab; 12% ipilimumab; 6% dacarbazine). Immunocore will be working with the FDA to facilitate complete submission of a BLA for tebentafusp in the third quarter of 2021, followed by Marketing Authorization Application submission to the European Medicines Agency (EMA).
In February 2021, tebentafusp was granted Breakthrough Therapy Designation by the FDA for unresectable or metastatic uveal melanoma. Additionally, in February 2021, the European Commission, upon recommendation of the EMA’s Committee for Orphan Medicinal Products (COMP) awarded tebentafusp Orphan Drug Designation for the treatment of uveal melanoma. Medicines that meet the EMA’s Orphan Drug Designation criteria qualify for several incentives, including ten years of market exclusivity, protocol assistance, and potentially reduced fees for regulatory activities.
In March 2021, the Company announced that Phase 3 data from IMCgp100-202 Phase 3 clinical trial would be the subject of an oral presentation in the Phase 3 clinical trials plenary session at the AACR (Free AACR Whitepaper) Annual Meeting 2021 which will be held virtually on April 10, 2021.
Additional Clinical Programs
IMC-C103C – MAGE-A4
As of year-end 2020, 21 patients had been dosed in the dose escalation portion of the IMC-C103C Phase 1/2 clinical trial in patients with solid tumors. Early pharmacodynamics data indicate that IMC-C103C monotherapy is demonstrating biological activity at the doses currently under evaluation. The Company plans to present Phase 1 data from this trial in the second half of 2021.
The Company believes that IMC-C103C is the only clinical stage off-the-shelf therapy candidate in development against MAGE-A4—an X-chromosome-linked cancer/testis protein that is broadly expressed across a range of cancer indications, including non-small-cell lung cancer, among others. IMC-C103C is part of a co-development/co-promotion collaboration with Genentech under which Immunocore shares program costs and profits equally.
IMC-F106C – PRAME
As of year-end 2020, nine patients had been dosed in the dose escalation portion of the IMC-F106C Phase 1/2 clinical trial. The trial is designed to study the safety and preliminary activity of IMC-F106C as a monotherapy in patients with PRAME-expressing solid tumors. The Company plans to report initial Phase 1 data from this trial in mid-2022.
IMC-F106C is an ImmTAC targeting a PRAME derived peptide presented by HLA-A*02:01 and is the first off-the-shelf therapeutic targeting PRAME. PRAME has the highest expression frequency of all cancer/testis antigens across a range of solid and hematologic cancers, notably non-small-cell lung cancer, and its expression is generally identified as a poor prognostic feature. Immunocore retains full rights to IMC-F106C.
IMC-I109V – HBV
In August 2020, the Company announced the publication of novel therapeutic approach with the potential to provide a functional cure for chronic hepatitis B, in leading peer-reviewed journal, Hepatology. These data support on-target efficacy of the lead HBV ImmTAV against HBV-infected hepatocytes. The Company plans to initiate dosing in the single ascending dosing portion of the trial in mid-2021.
IMC-M113V – HIV
In 2020, the Company advanced IMC-M113V through GMP manufacturing and IND supporting pre-clinical studies for human immunosuppression virus (HIV). The Company’s HIV programs are funded by the Bill & Melinda Gates Foundation, and regulatory submission to enable clinical testing is anticipated in the second half of 2021.
GSK-01– NY-ESO
The GSK-01 NY-ESO Phase 1 dose escalation study to determine safety, and which is enrolling several different tumor types, is still ongoing. An expansion phase was planned to initiate once the Phase 1 dose escalation was complete. However, following a portfolio review, Immunocore, in collaboration with GSK, have jointly elected not to plan for or initiate the efficacy determining expansion phase of the trial. The expansion arm was planned to be conducted in synovial sarcoma, an ultra-rare disease which is already addressed by other assets in the Company’s portfolio including MAGE-A4 and PRAME. Consequently, GSK has forgone their option to acquire an exclusive license to the NY-ESO program and Immunocore will retain ownership of the asset. Immunocore plans to present the data from the Phase 1 study in 2022.
Corporate Updates
Fundraising and initial public offering on Nasdaq
In February 2021, the Company raised $312.1 million in aggregate financing and approximately $287 million in net proceeds from its initial public offering on Nasdaq of 11,426,280 American Depositary Shares (ADSs), including the exercise in full by the underwriters of their option to purchase an additional 1,490,384 ADSs, at an initial public offering price of $26.00 per ADS. In addition to the ADSs sold in the public offering, Immunocore announced the completion of the concurrent sale of an additional 576,923 ADSs at the initial offering price of $26.00 per ADS, for gross proceeds of approximately $15 million, in a private placement to the Bill & Melinda Gates Foundation.
In December 2020, the Company completed a $75 million Series C private financing round led by existing and new investors.
In November 2020, the Company closed a $100 million senior secured loan facility with Oxford Finance LLC.
In March 2020, the Company completed a $130 million Series B private financing round.
Financial Results
Cash and cash equivalents at December 31, 2020 totaled $177 million, before including the $287 million in net proceeds from the initial public offering and concurrent private placement in February 2021. This compared to $97 million at December 31, 2019.
Revenue for the year ended December 31, 2020 from collaboration agreements was £30.1 million compared to £25.7 million for the year ended December 31, 2019.
For the year ended December 31, 2020, our research and development expenses were £74.8 million compared to £100.0 million for the year ended December 31, 2019. For the year ended December 31, 2020, administrative expenses were £45.7 million, compared to £44.2 million for the year ended December 31, 2019. Our loss for the year ending December 31, 2020 was £74.1 million, compared to million £103.9 million for the year ended December 31, 2019.
The Company anticipates that its existing cash and cash equivalents, together with the net proceeds from its initial public offering and its debt facility, is sufficient to enable the Company to fund planned operating expenses and capital expenditure requirements through at the least the end of 2022.