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Summit Therapeutics Inc. (NASDAQ:SMMT) Q4 2023 Earnings Call Transcript

Summit Therapeutics Inc. (NASDAQ:SMMT) Q4 2023 Earnings Call Transcript February 20, 2024

Summit Therapeutics Inc. isn't one of the 30 most popular stocks among hedge funds at the end of the third quarter (see the details here).

Operator: Good morning and welcome to Summit's Fourth Quarter and Year End 2023 Earnings Call. [Operator Instructions] Please refer to the company's website for updates. Please note that today's call is being recorded. [Operator Instructions] At this time, I would like to turn the call over to Dave Gancarz, Summit Therapeutics Chief Business and Strategy Officer. You may now proceed, please.

Dave Gancarz: Good morning and thank you for joining us. Our press release was issued earlier this morning and is available on the homepage of our website. Our forms 10-K and S-3 were also filed earlier this morning and are available on our website. Today's call is being simultaneously webcast and an archived replay will also be made available later today on our website, www.smmttx.com. Joining me on the call today is Bob Duggan, our Chairman of the Board and Chief Executive Officer; Dr. Maky Zanganeh, our Chief Executive Officer and President; Manmeet Soni, our Chief Operating Officer; Ankur Dhingra, our Chief Financial Officer; and Dr. Allen Yang, our Chief Medical Officer. Before we get started with the rest of the call, I would like to note that some statements made by our management team and some responses to questions that we may make today may be considered forward-looking statements based on our current expectations.

Summit cautions that these forward-looking statements are subject to risks and uncertainties that may cause actual results to differ materially from those indicated in the forward-looking statements. Please refer to our SEC filings for information about these risks and uncertainties. Summit undertakes no obligation to update these forward-looking statements except as required by law. Following comments from Bob, Maky, and Ankur, we will take questions. With that, I will turn the call over to Bob.

Bob Duggan: Thank you, Dave. Good morning everyone, and thank each of you for joining us today. I'd like to say a few words about our progress and what team Summit has accomplished. Then I will hand it over to Maky to add more color and then Ankur who will provide financial updates. It has been just one year since we closed on our partnership with Akeso and I'm very proud of the accomplishments and impressive progress team Summit has made in this period of time. Ivonescimab, our lead investigational compound and the only PD-1/VEGF bispecific antibody in Phase 3 in Summits territories, continues to actively enroll two registrational Phase 3 trials in non-small cell lung cancer are HARMONi and HARMONi-3 trials. In HARMONi we are looking at ivonescimab in combination with chemotherapy as a second-line treatment for non-small cell lung cancer patients with EGFR mutations with disease progression after receiving a third-generation TKI.

In HARMONi-3, we are studying ivonescimab in combination with chemotherapy as first-line treatment for patients with squamous cell carcinoma of the lung in a head-to-head trial against the current standard of care. We treated our first patient in the HARMONi-3 study, our second Phase 3 study in the fourth quarter of 2023. Combined, the two populations represented by these two clinical trials account for approximately 120,000 patients in our licensed territories for whom ivonescimab could potentially offer a better treatment option. Team Summit's conviction and our belief in ivonescimab continues to drive our progress forward in our efforts to collapse time and reach critical milestones faster. We approach these efforts with the intent of helping patients improve quality of life, increase the potential duration of life, and resolve serious medical needs in line with Summit's strongly held mission statement.

Maky and I are appreciative and honored to be leading team Summit, where our accomplished leaders and team members have unparalleled track records for high-speed execution that delivers intended results. This experience and our expertise are foundational to achieving our goals for 2024 and beyond, continuing to execute on our Phase 3 clinical trials while expanding our clinical development plan. With that, I would like to turn it over to Maky to provide additional context for our accomplishments and next steps.

Maky Zanganeh: Thank you Bob and good morning everyone. As Bob discussed, I remain incredibly enthusiastic about ivonescimab and its potential, the strength of team Summit and the accomplishment we have made just one year into our partnership with Akeso. Across the globe, over 1,600 patients have now been treated with ivonescimab. Currently, Akeso is conducting or participating in 19 clinical trials evaluating ivonescimab, four of which are in Phase 3, and seven trials are evaluating ivonescimab in solid tumor settings beyond non-small cell lung cancer. We are fortunate to have such a strong partnership and ongoing collaboration with Akeso, including the ability to leverage data generated for ivonescimab across multiple solid tumors studies in support of Summit's own clinical development in our licensed territories, the U.S., Canada, Europe and Japan.

Turning specifically to Summit's own Phase 3 trial. Active enrollment continues in HARMONi and HARMONi-3. As a reminder, HARMONi, our fast to market approach is in non-small cell lung cancer patients with EGFR mutations who have progressed following a third generation TKI such as osimertinib. We intend to complete enrollment in this trial in the second half of 2024. Our HARMONi-3 trial is seeking a frontline treatment indication for patients with squamous non-small cell lung cancer. This head-to-head trial is designed to compare ivonescimab plus chemotherapy against the current standard of care, pembrolizumab plus chemotherapy. We continue to progress as well as collapse time in order to achieve our aggressive but realistic goals for ivonescimab to ultimately improve existing treatment options to the many lung cancer patients with serious ongoing unmet needs.

Our conviction and belief in the potential of ivonescimab and our decision to quickly pursue two registrational Phase 3 trials has come in part from data generated from Phase 2 clinical trials conducted by Akeso. This data evaluating ivonescimab plus chemotherapy in multiple lung cancer settings AK112-201 was updated by Akeso last month Notably in patients with first-line advanced or metastatic squamous non-small cell lung cancer without actionable genomic alterations in a Phase 2 population supporting our hormone supporting our HARMONi-3 trial, a 24-month overall survival rate of 64.8% was observed. Median overall survival has not yet been reached after a median follow-up time of 21 months. Furthermore, in patients with advanced or metastatic non-small cell lung cancer, with tumors positive for EGFR mutations and having progressed following an EGFR TKI, the Phase 2 trial cohort supporting our HARMONi trial, a median overall survival of 22.5 months was observed.

In both settings, ivonescimab has had an acceptable safety profile in the Phase 2 clinical trial. We believe that this study data is very promising. Also, when considering the current standard of care in this patient population and the Phase 2 data supports our decision to directly move forward in both of our Phase 3 clinical trials. Slide 5, please. I would also like to spend a moment to remind everyone of the differentiated mechanism of action of ivonescimab. To start, ivonescimab brings two highly validated mechanisms in oncology together into one novel molecule targeting both PD-1 and VEGF. And, as Bob mentioned earlier, we are the only Phase 3 PD-1 VEGF bispecific in unlicensed territories, making it the most clinically advanced compound of its kind in the U.S., Canada, Europe, and Japan.

A laboratory employee in a sterile environment inspecting a microscope focused on a Clostridioides difficile infection sample.
A laboratory employee in a sterile environment inspecting a microscope focused on a Clostridioides difficile infection sample.

What differentiates ivonescimab in its intentional design is a concept known as cooperative binding. Specifically, in the presence of VEGF, the binding of ivonescimab to PD-1 in vitro increases by 18-fold. In the presence of PD-1, VEGF affinity increases by over fourfold. Ivonescimab's cooperative binding qualities lead to the potential to steer more drugs to the tumor and tumor microenvironment. The area around the tumor where higher levels of PD-1 and VEGF are expressed and comparatively less drug, we believe, is tiered toward normal healthy tissues. On slide 6, you can see in addition, because of the increased presence of PD-1 and VEGF in the tumor microenvironment, there is not only increased affinity but also increased avidity. Because VEGF is expressed as a dimer, there is an opportunity to bind multiple ivonescimab compounds to these VEGF dimers in the tumor microenvironment as well.

We believe ivonescimab cooperative binding goes further than the sequential administration of an anti-PD-1 and anti-VEGF therapy. Our goal is to improve upon previously established efficacy standards in addition to side effects and safety profile associated with these two targets. We believe ivonescimab has the potential to achieve this. Moving to slide 7. Looking at meaningful near-term catalysts for ivonescimab, we are expecting multiple events to occur in 2024. Next quarter, there are two key milestones expected from randomized Phase 3 clinical trials in China from our partners at Akeso. Data from the Chinese patients enrolled in AK112-301, a large portion of which represent the Chinese patient included in the modified intent to treat population of our multiregional study, also known as HARMONi, was submitted to the Chinese regulatory authority, the CDE, last year specifically seeking marketing approval in China.

A decision is expected in the second quarter of this year from the CDE. We also expect that Akeso will provide a data readout of the top line results of their Phase 3 trial at this time. Additionally, Akeso has an interim analysis planned for next quarter for its study comparing ivonescimab to pembrolizumab in a monotherapy setting for first-line advanced lung cancer patients harboring tumors with positive PD-L1 expression referred to as AK112-303. This head-to-head trial against pembrolizumab is a major milestone for ivonescimab, both in differentiating ivonescimab from a PD-1 antibody, as well as illustrating the potential of its novel mechanism of action that simply does not exist in oncology therapeutics today. Given the direct implications of the AK112-301 results on our HARMONi study, as well as the potential ability to compare ivonescimab pembrolizumab in AK112-303, we believe these events will be pivotal moment drivers in ivonescimab's development globally.

As mentioned earlier, we also plan to complete enrollment in a HARMONi study in the second half of this year, providing momentum towards a submission for ivonescimab in our licensed territories. While non-small cell lung cancer indication represent our initial development plan for ivonescimab, we will continue to expand our clinical program. HARMONi and HARMONi-3 represent the first step in our strategy and we believe ivonescimab has potential in both additional non-small cell lung cancer indications and in other solid tumors. In addition to progressing our internal development program, we appreciate a high level of enthusiasm we are hearing from key opinion leaders and other physician leaders for what ivonescimab can do to make significant positive difference in and outside of lung cancer.

We continue to receive and are considering multiple inquiries for potential investigator sponsored trials or ISD programs. We expect to share additional information later in 2024. Finally, to capitalize on and expand our reach with physicians from KOLs and academic leaders to community physicians and local caregivers seeing so many cancer patients, we are participating in a few upcoming conferences. We will be at IASLC targeted therapies for lung cancer or TTLC meeting later this week in Santa Monica, California. In addition, we plan to participate in ESMO, European Lung Cancer Congress 2024, next month in Prague, where we have submitted along with our partners at Akeso, multiple abstracts for presentation on ivonescimab. We intend to educate and activate as many physicians as possible regarding ivonescimab and its potential as we ramp up Phase 3 clinical trials in the United States, Europe, Canada, and Japan.

With that update, I will now ask Ankur to provide details on our financial position and outlook.

Ankur Dhingra: Thank you Maky and Bob, and good morning, everyone. Echoing the sentiment, we're very pleased with the speed of execution of team Summit and our partners at team Akeso, in the development of ivonescimab. Moving to slide 8. I'll give you an update on Summit's cash position, the extended cash runway guidance, and the P&L. We have a strong cash position with $160 -- $186 million in cash and investments as of end of year 2023. This position provides us strong ability to continue our investments in the development of ivonescimab. In addition, we have taken steps to extend our cash runway going into the first quarter of 2025. As you may recall, our previous guidance for cash runway was going into September of 2024. As we announced earlier, we have amended the $100 million note to extend the maturity date to April 1st, 2025, and the future interest payments will also be paid at maturity.

This extension, coupled with our strong cash position, provides funding to make significant progress in the development of ivonescimab, as well as covering some of the key milestones that Maky spoke about. Going to the P&L, I will speak about non-GAAP OpEx, which excludes stock-based compensation in process R&D and certain impairment charges. You can refer to our press release for reconciliation of GAAP to non-GAAP financial measures. During the fourth quarter of 2023, our non-GAAP operating expenses were $27.7 million. Aligned with the company's focus, the majority of our spending is towards research and development, which is $22.4 million for the quarter on non-GAAP basis, and is focused towards clinical development of ivonescimab, including the clinical trials, the technology transfer and people costs.

And the G&A spend of $5.3 million for the quarter on non-GAAP basis represents all the functions that provide infrastructure and support for this development. So, in summary, we're excited about the potential of ivonescimab, and have made a lot of progress in its development during 2023. We have a strong cash position and we have extended our cash runway going into 2025. And with that I will hand it back over to Dave.

Dave Gancarz: Thank you, Bob, Maky and Ankur. We can now transition to see if there are any questions that we could help answer. Operator, if you could please open the line for questions.

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