Edited Transcript of CLDX.OQ earnings conference call or presentation 6-Aug-20 8:30pm GMT – Yahoo Finance

NEEDHAM Aug 7, 2020 (Thomson StreetEvents) — Edited Transcript of Celldex Therapeutics Inc earnings conference call or presentation Thursday, August 6, 2020 at 8:30:00pm GMT

* Anthony S. Marucci

Celldex Therapeutics, Inc. – Founder, President, CEO & Director

Celldex Therapeutics, Inc. – SVP of Regulatory Affairs

Celldex Therapeutics, Inc. – Senior VP, CFO, Secretary & Treasurer

Celldex Therapeutics, Inc. – SVP of Corporate Affairs & Administration

Welcome to the Celldex Therapeutics Mid-Year 2020 Conference Call. My name is James and I’ll be your operator for today’s call. (Operator Instructions).

And then I’d like to turn the call over to Sarah Cavanaugh. Sarah, you may begin.

Sarah Cavanaugh, Celldex Therapeutics, Inc. – SVP of Corporate Affairs & Administration [2]

Thank you very much. Good afternoon and thank you all for joining us.

With me on the call today are Anthony Marucci, co-founder, President and CEO of Celldex, Dr. Tibor Keler, co-founder Executive Vice President and Chief Scientific Officer, Dr Diane Young, Senior Vice President and Chief Medical Officer. Sam Martin, Senior Vice President and Chief Financial Officer, Dr Margo Heath-Chiozzi, Senior Vice President of Regulatory and Dr Diego Alvarado, Senior Director of Research.

Before we begin our discussion, I’d like to mention that today’s speakers will be making forward-looking statements. Such statements reflect on current views with respect to future events and are based on assumptions and subject to risks and uncertainties that could cause actual results to differ materially from those expressed or implied by such forward-looking statements. Certain of the factors that might cause Celldex’s actual results to differ materially from those in the forward-looking statements, include those set forth under the headings Risk Factors and Management’s Discussion and Analysis of Financial Condition and Results of Operation in Celldex’s annual report on Form 10-K, quarterly reports on Form 10-Q and its current reports on Form 8-K as well as those described in Celldex’s other filings with the SEC and its press releases.

All forward-looking statements are expressly qualified in their entirety by this cautionary notice. You should carefully review all of these factors and be aware that there may be other factors that could cause these differences. These forward-looking statements are based on information, plans and estimates as of this call, and Celldex does not promise to update any forward-looking statements to reflect changes in underlying assumptions or factors, new information, future events or other changes.

Please be advised that the question and answer period will be held at the close of the call. I’d also like to mention that because of the current COVID-19 situation and also two of our offices are located in the areas of the hurricane, we do have folks dialing in from a number of different remote locations and I ask that you may be bear with us phone lines are a little scratchy because we’re dealing with multiple issues on that end.

So with that, I’d like to turn the call over to Anthony. Anthony?

Anthony S. Marucci, Celldex Therapeutics, Inc. – Founder, President, CEO & Director [3]

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Thank you, Sarah. Good afternoon everyone and thank you for joining us. We hope you are all safe and healthy and appreciate you’re taking the time to connect with us today. We are looking forward to updating all of you on our progress and providing more detail on our plans for the future. I want to take a few minutes to review the recent events and then I will ask Diane to update you on our clinical programs and Sam to review the financials. We will close the call with your questions.

As you may likely know in early June of this year, Dr Marcus Maurer a leading medical expert in Urticaria, whose research focuses on mast cells presented data from our KIT inhibitor, CDX-0159 and a late breaking session at the EAACI Annual Congress. These data provided an important proof of concept for the program and suggested significant potential which will dramatically impact mast cell driven disorders. These data also help support the $150 million public offering driven by high quality healthcare investors. Importantly, these proceeds will fund the company through 2023 and a number of very important milestones. We are on track to initiate two studies of CDX-0159 and chronic urticaria this fall and I have completed considerable work that Diane will discuss the support expanded development in 2021 and beyond.

As we have always done, we believe is important to focus our resources of people and financial on the programs that hold the most promise for patients and shareholders. Based on the current data we have in-house, we have prioritized the development of our KIT inhibitor CDX-0159, our CDX agonist, CDX-1140 and the first candidate from our bispecific program CDX-527 which combines our proprietary CD-27 agonist with the PD-1 blockade. In turn, we have made a decision not to advance our ErbB3 inhibitor, CDX-3379, which has been in an exploratory study with cetuximab to assess the utility of biomarkers for patient selection and cetuximab resistant head and neck cancer. Despite prophylactic treatment which Diane will discuss in more detail, patients continue to have difficulty tolerating therapy and we believe our resources are best utilized to expand the development of CDX- 0159 and our other pipeline programs.

For our CDX-0159 program, we intend to start two urticaria studies, one in inducible urticaria and the other in spontaneous urticaria this fall and to initiate both the Phase 1 study of CDX- 527 and refractory advanced cancers as well as the combination cohort of CDX-1140 with chemotherapy and treatment of naive metastatic pancreatic cancer later this year. This program is all support multiple data readouts later this year and next year including results from the CDX-0159 study and inducible urticaria in the first quarter of 2021 and the results from the study in spontaneous urticaria in the second half of next year.

We are also in the midst of a thorough assessment of additional opportunities for CDX-0159 and as we now of this list, we plan to initiate our third study and another mast cell driven disease next summer.

With this introduction, I would like Diane to cover activities in more detail. Diane?

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Diane C. Young, [4]

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Thank you, Anthony. Let me start with CDX-0159. CDX-0159 is a humanized monoclonal antibody developed by Celldex that binds to the KIT receptor with high specificity and potently inhibits it’s activity. The KIT receptor tyrosine kinase is expressed in mast cells which mediate inflammatory responses such as hypersensitivity an allergic reaction. Ultimately, KIT signaling controls the differentiation, tissue recoupment, survival and activity of mast cells and we believe targeting KIT represents a unique strategy in diseases involving mast cells.

At the EAACI meetings, results from our recently completed Phase 1A study in healthy volunteers were presented. CDX -0159 demonstrated a favorable safety profile as well as profound and durable reductions of plasma tryptase, a protease made almost exclusively by mast cells. The phase 1A study was a randomized double blind, placebo-controlled single-ascending dose escalation study of CDX-0159 in 32 healthy subjects.

Subjects received a single intravenous infusion of CDX-0159 at 0.31319 milligrams per kilogram or placebo. As Dr. Maurer presented a single dose of CDX-0159 supress plasma tryptase levels in a dose-dependent manner indicative of systemic mast cell suppression or ablation, tryptase reduction was evident at 24 hours after infusions and minimal levels were typically observed within one week. Tryptase suppression below the level of detection was observed after a single one milligram per kilogram dose and was maintained for more than two months at single doses of both 3 and 9 milligrams per kilogram.

A subset of subjects from the 3 milligram per kilogram and 9 milligrams per kilogram cohorts agreed to continued follow-up For tryptase analysis which was ongoing at the time of the EAACI meeting. This follow-up and analysis was completed in July and tryptase levels remain below the level of detection for 14 weeks in the 3 milligram per kilogram cohorts for 50% of the returning subjects and 18 weeks in the 9 milligrams per kilogram cohort for all returning subjects. In this study, dose-dependent increases in plasma stem cell factor also mere decreases in tryptase consistent with allosteric blockade of stem cell factor to KIT and further demonstrating complete target engagement in vivo.

Importantly, CDX-0159 also demonstrated a favorable safety profile. The most common adverse events were mild infusion related reactions which spontaneously resolved without intervention. Asymptomatic decreases in neutrophil and white blood cell counts were also observed in laboratory testings but we returning towards normal at the end of the study. We also observed long serum half-life and lack of anti-drug antibodies which provide support to explore less frequent dosing in future studies. Based on these results, we plan to initiate 2 Phase 1B studies of CDX-0159 this fall, one in chronic inducible urticaria and one in chronic spontaneous urticaria, both of which are mast cell driven diseases specifically selected to provide clinical proof of concept for CDX-0159. I’ll start with the study in the inducible urticaria as this indication will read out first with data expected in the first quarter of next year.

There were multiple forms of inducible urticaria and 0.5% of the total population suffer from them. We have selected two of the most common forms: symptomatic dermagraftism and cold-induced urticaria. Symptomatic dermagraftism is characterized by the development of a wheel and flare reaction in response to a stroking, scratching or rubbing of the skin usually occurring within minutes of the inciting stimulus. People afflicted with cold-induced urticaria experienced symptoms like itching, burning wheels and angioedema where their skin comes in contact with temperatures below skin temperature. For both of these diseases mast cell activation, leading to release of soluble mediators is thought to be the driving mechanism leading to the wheels and other symptom.

As you can tell based on their name, what’s unique about these indications Is that they are induced by certain triggers and importantly investigators can induce these same reactions in the clinic. Dr Maurer will lead this study in his specialty clinic for urticaria in Berlin. We expect to enroll 20 patients, ten with symptomatic dermagraftism and ten with cold-induced urticaria who are resistant to antihistamine treatment. Their symptoms will be introduced in the clinic and a single dose of CDX-0159 at 3 milligram per kilogram will be administered. Patients will be followed for 12 weeks to evaluate safety and tolerability, clinical activity and pharmacokinetics and pharmacodynamics. Importantly, we intend to perform serial skin biopsies on patients so we can explore the impact of CDX-0159 on mast cells in the skin. This will help address whether CDX-0159 is inactivating the mast cells or leading to their deaths in elimination from skin.

The second study will be in chronic spontaneous urticaria or CSU, an indication where patients experience urticaria symptoms without identification of a known cause. This is a disease driven by mast cell activation, the release of mediators resulting episodes of itchy hives, swelling and inflammation of the skin that can go on for years or even decades. It is one of the most frequent dermatologic diseases with the prevalence of 0.5% to 1% of the total population and up to 3.2 million cases annually in the US. The study will be a randomized, double-blind, placebo-controlled Phase 1B dose escalation study that includes patients who are still symptomatic despite antihistamine therapy. We expect to enroll 40 patients across four cohorts, who will receive CDX-0159 or placebo. The dose and dosing schedule will vary by cohort.

Patients dosed at 0.5 and 1.5 milligram per kilogram will receive three doses at 4-week intervals and patients dosed at 3 and 4.5 milligrams per kilogram will receive two doses at an 8-week interval. The 12-week treatment period will be followed by another 12 weeks of follow-up. So 24 weeks total. This design will provide necessary data on the safety of multiple doses and also allow us to evaluate the potential clinical activity of CDX-0159 in this patient population. Again, we will be evaluating safety and tolerability, symptomatic relief as measured through disease activity scores and pharmacokinetics and pharmacodynamics. The study will be conducted at 4 to 5 centers in the USA, beginning in the fall of 2020. We anticipate results from this study in the second half of next year.

For both inducible and spontaneous urticaria, it is clear that these patients can truly suffer. The two top complaints are constant intense itch and poor self image. Their symptoms prevent regular sleep, interfere with daily life and work activities which subsequently promote social withdrawal, isolation and depression. There is truly an unmet need for efficacious therapies that address the root cause of their disease, mast cells.

Beyond urticaria, there are many diseases in which mast cells are the principal driver or a thought to significantly contribute to the pathology. We are digging deeply into the potential opportunity for CDX-0159 in these indications to select additional areas for expansion. Our evaluation includes review of scientific literature, medical guidelines, regulatory documents and market analyzes and discussions with medical experts. We are prioritizing indications in which there is strong evidence that mast cells play an important role in pathophysiology where there are unmet medical needs and where we can envision a clinical development path with clear early decision point.

We have narrowed what began as a list of over 50 indications to 4 major areas of focus. Mast cell activation syndromes including mastocytosis, Asthma including severe forms of asthma, allergic asthma and exercise induced asthma, allergic conditions including food allergies and allergy mediated dermatologic conditions and mast cell driven gastrointestinal disorders.

Our next step is to lay out the clinical development and regulatory path as well as commercial opportunities to help in the final indication selection. We will also be monitoring the field closely to ensure our plans continually reflect all available scientific clinical regulatory and competitive data. Certainly as data begin to emerge from the urticaria studies, this will also inform our final decision. We will continue to update you as we complete our diligent but are confident we will be in a position to initiate a Phase 1B-2 study in a third indication by summer 2021.

Finally, in closing for CDX-0159 I want to point out that we have initiated formulation work for subcutaneous delivery which we believe will be important to the candidates future success. We believe we are well positioned given CDX-0159 and enhanced PK profile and the durable tryptase suppression we observed even at low doses. The preliminary feasibility studies at 150 milligrams per mill look promising.

With that overview on CDX-0159, let me turn now to CDX 1140 and CDX-527. CDX-1140 is a Celldex developed human agonist anti-CD-40 monoclonal antibody that was specifically designed to balance good systemic exposure and safety with potent biological activity a profile, which differentiates CDX-1140 from other CD-40 activating antibodies for systemic therapy. CD-40 expressed on dendritic cells and other antigen presenting cells is an important target for Immunotherapy as it plays a critical role in the activation of innate and adaptive immune responses.

CDX-1140 completed dose escalation as monotherapy and in combination with CDX-301 a dendritic cell growth factor in an ongoing Phase 1 study in patients with recurrent, locally advanced or metastatic solid tumors and B-cell lymphomas. A critical goal of this study was to achieve dosing levels that provide good systemic exposure without dose limiting toxicity. As reported at the SITC meeting last November, CDX-1140 reach this goal with the maximum tolerated dose and recommended Phase 2 dose of 1.5 milligrams per kilogram, one of the highest systemic dose levels in the CD-40 agonist class.

We believe the relatively low doses of other potent CD-40 agonist antibodies tested in the clinic to date may limit their potential and modifying in the tumor micro environment and are hopeful that CDX-1140 at this dose level will better penetrate tumor and be more impactful. Importantly, from a safety perspective at 1.5 milligram per kilogram CDX-1140 is associated with manageable immune related adverse events that are consistent with those observed with approved effective therapies like checkpoint inhibitors.

While CDX-1140 has shown promising signs of single agent activity, it’s clear that the combination approaches that target multiple pathways in the immune system likely offer patients the best opportunities for improvement. To that end, we have added multiple combination expansion cohorts including with KEYTRUDA in patients who have progressed on checkpoint therapy and with CDX-301 in patients with head and neck squamous cell carcinoma.

We also expect to initiate a combination with standard of care chemotherapy in first-line metastatic pancreatic cancer later this year. An indication, we are very interested in because both preclinical and clinical data suggests that the CD-40 pathway may have important anti-tumor potential in this disease.

We also expect to report on interim data from CDX-1140 this fall, that would focus on data from the monotherapy expansion cohorts in squamous cell head and neck cancer and renal cell carcinoma, data from the combination with CDX-301 and preliminary data from the combination with KEYTRUDA.

CDX-527, our first bispecific antibody program is also expected to enter the clinic later this year. CDX-527 combines CD-27 mediated T-cell activation with PD-1 blockade. We have developed CDX-527 from our proprietary highly active PDL-1 and CD-27 human antibodies and demonstrated the bispecific to be more potent than the combination of the individual antibodies in preclinical models.

Importantly, our prior clinical experience combining the CD27 agonist antibody varlilumab with PD-1 blockade supports the integration of these two antibodies from a dosing safety and activity perspective. We would expect initial data from this program in the first half of 2021.

Before I turn the call over to Sam to discuss the financials, I want to provide a little more clinical context surrounding the decision on CDX-3379 development.

At ASCO 2019, we presented a retrospective analysis that suggested that the anti-tumor activity with CDX-3379 might be associated with somatic mutations in particular genes associated with tumor suppression.

We decided to examine this hypothesis in an exploratory manner in the ongoing trial to see if there was a path forward that would allow us to utilize biomarkers to identify a targeted population that would respond to CDX-3379. In parallel, we knew that we needed to improve the tolerability of the combination of CDX-3379 and cetuximab specifically diarrhea management. Unfortunately, despite diarrhea prophylaxis measures, this continue to be a side effect which in addition to severe skin rash caused dose reductions and delays in the majority of patients, making it difficult to achieve clinical benefit. When considered together and after talking to our study investigators, we believe the risk benefit profile does not support further development in patients and that the resources allocated to this program would be best focused on expanded development of CDX-0159 CDX-1140 and CDX-527.

We will also continue to advance our preclinical pipeline which is exploring several interesting targets including AXL IoT-4, CD 24 and cyclic-15. Updates on our preclinical programs will be presented at scientific meetings later this year and next.

In summary, we are very pleased with the progress we’ve made so far this year. We believe CDX-0159 has the potential to be a field changing product across multiple mast cell driven indications and that CDX-1140 is establishing itself as a clearly differentiated CD-40 agonist. We’re excited to bring CDX 527 into the clinic and all combined, look forward to a very busy rest of 2020.

We continue to be mindful of COVID-19 and our partnering closely with our clinical trial sites to mitigate any COVID related impact on our studies. So far. we have been very successful in these efforts but like everyone else we are looking cautiously at this fall and winter and contingency planning to help mitigate any risk to our timeline.

With that, I thank you for your time and I will hand the call over to Sam to review the financials. Sam?

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Sam Martin, Celldex Therapeutics, Inc. – Senior VP, CFO, Secretary & Treasurer [5]

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Thank you, Diane. For the second quarter of 2020 net loss was $11 million or $0.50 per share compared to a net loss of $11.8 million or $0.84 per share for the second quarter of 2019. Net loss for the six months ended June 30, 2020 was $23.7 million or $1.20 per share compared to 29 million or $2.21 per share for the comparable period in 2019.

Research and development expenses were $21.4 million for the six months ended June 30, 2020 compared to $21.2 million for the comparable period in 2019.

General and administrative expenses were $7.2 million for the six months ended June 30, 2020 compared to $8.8 million for the comparable period in 2019.

As of June 30, 2020, we reported cash, cash equivalents and marketable securities of $206.9 million compared to $53.7 million as of March 31, 2020. The increase was primarily driven by net proceeds of $141.4 million from our June 2020 underwritten public offering and net proceeds of $23.7 million from sales of common stock under our controlled equity offering agreement with Cantor completed in the second quarter prior to the public offering in June.

These increases were offset by second quarter cash used in operating activities of $11.2 million. We expect the cash, cash equivalents and marketable securities at June 30, 2020 are sufficient to meet estimated working capital requirements and fund planned operations through 2023. At June 30, 2020 we had 39.1 million shares outstanding.

I will now turn the call over to Anthony to close.

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Anthony S. Marucci, Celldex Therapeutics, Inc. – Founder, President, CEO & Director [6]

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Thank you, Sam and thank you all for joining us today. To recap, as always, we remain focused on the successful development of our clinical programs.

We look forward to initiating the 2 Phase 1B studies of CDX-0159 this fall and the Phase 1 study of CDX-527 and the CDX-1140 expansion cohort later this year, followed by the third study of CDX-0159 in an additional mast cell indication next summer.

For data readouts, we plan to present data update for the CDX-1140 program later this year. in 2021, we anticipate data from the CDX-0159 study in chronic inducible urticaria in the first quarter, data from CDX-527 in the first half and the data from CDX-0159 study and the chronic spontaneous urticaria study in the second half of the year.

I would also anticipate data from the CDX-1140 combination with KEYTRUDA and other expansion cohorts in 2021. As Sam said, we are well capitalized to complete the studies necessary to reach these milestones and and for that, I’d like to thank the investors that participated in our recent financing. We look forward to keeping you all up to date as we continue our progress on these programs.

With that review, we will open the floor to questions. operator?

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Questions and Answers

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Operator [1]

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Thank you. We begin our question and answer session. (Operator Instructions) and our first question comes from Kristen Kluska of Cantor Fitzgerald.

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Kristen Brianne Kluska, Cantor Fitzgerald & Co., Research Division – Analyst [2]

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Hi, everyone. Thanks for taking my questions and congrats on the great progress that you’ve made over this past quarter. So the first question is for the CDS-0159 program, given that some of these patients are likely to have co-morbidities, I’m wondering if you might think these are worth evaluating in the background in either or both the Phase 1B and Phase 2 studies to provide any early proof of effect? Given these indications could also be mast cell driven.

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Anthony S. Marucci, Celldex Therapeutics, Inc. – Founder, President, CEO & Director [3]

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Sure, Kristen. Thanks. This is Anthony, I’ll have Diane answer that question.

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Diane C. Young, [4]

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Yes. So that’s an excellent- very good point Kristen. There is a lot of overlap and other conditions that overlap that there may also be impacted. So that is our intention to — even in those early studies to try to capture what other co-morbidities the patients have and to try to with that response in some way.

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Kristen Brianne Kluska, Cantor Fitzgerald & Co., Research Division – Analyst [5]

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Great, thank you. And then as it relates to choosing the third mast cells you have an indicating studies in the summer of next year, I wanted to ask if you think the results from the CINDU trial in the first quarter of next year will in any way help determine which one you ultimately choose as the third indication.

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Diane C. Young, [6]

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Yes. So I think we’ll definitely take the data from the CINDU study that’s going to give us information about how we’re impacting mast cells and some ideas of dose and duration of clinical effect. So I think that will definitely help to inform what we do next year.

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Edited Transcript of CLDX.OQ earnings conference call or presentation 6-Aug-20 8:30pm GMT – Yahoo Finance