David Mazzo
Analyst · H.C. Wainwright
Thanks Joe. Let me begin by providing an update on our development programs based on our CD34 positive cell therapy platform. To repeat my comments from previous calls, our CD34 positive cell technology has led to the development of therapeutic product candidates designed to address diseases and conditions caused by ischemia, a condition in which the supply of oxygenated blood to healthy tissue is restricted. Previously published animal and human studies have demonstrated that the administration of CD34 positive cells induces angiogenesis of the microvasculature that is that these cells prompt the development of new blood capillaries thereby contributing to the prevention of disease, excuse me, to the prevention of tissue death by facilitating blood flow to the area of ischemic insult. We believe that a number of conditions caused by underlying ischemic injury can be improved through the application of our CD34 positive cell technology including but not limited to critical limb ischemia, coronary microvascular dysfunction, and refractory angina. Among others our CD34 positive cell technology has spawned the development of CLBS12, our product candidate for critical limb ischemia. CLI is a severe obstruction of the arteries that significantly reduces blood flow to the lower extremities principally the feet and legs and represents the endstage of peripheral arterial disease. CLI patients often experience severe rest pain, limited mobility, non-healing skin ulcers and if not successfully treated eventual amputation. No-option CLI means the pharmacotherapy is no longer working, angioplasty, stenting and bypass surgery have failed or are not possible and that amputation of a limb or limbs maybe the only remaining treatment for these patients. CLBS12 is currently in a Phase 2 clinical study in Japan and has received Sakigake designation from the Japan Ministry of Health, Labor and Welfare for the treatment of CLI. As a reminder, the Sakigake designation is akin to an RMAT designation in the United States and affords the recipient prioritized regulatory consultation, a dedicated review system to support the development and review process, as well as reduced review time from the typical 12 months down to six months for the CLBS12 registration application once filed. Additionally CLBS12 is eligible for early conditional approval and possibly full approval based on the compelling nature of the complete data from our ongoing prospective randomized controlled open label multicenter study in no-option CLI patients in Japan. The ongoing study comprises subjects divided into two cohorts, a 30 subject group with traditional arteriosclerotic CLI and a 6 subject group with Buerger's disease, a type of CLI often associated with heavy smoking. Those subjects who are randomized to treatment are dosed with CLBS12 through intramuscular injection in addition to receiving standard of care pharmacotherapy. Subjects randomized to the control arm only receive standard of care with drugs approved in Japan including antiplatelet agents, anticoagulants and vasodilators, the choice of which is made by the investigators according to the protocol. The study allows for the rescue of subjects in the control arm by indicating their crossover to treatment if their CLI is deemed to be progressing. The primary objective of this study is to show that CLBS12 can prevent the serious consequences of no-option CLI by reverting the patients to a CLI free condition through improved blood flow in the effected limb. CLI free status is defined as two consecutive monthly visits in which rest pain is absent and previous non-healing skin ulcers are completely healed as determined by independent adjudication committee. As reported previously and as you can review in our corporate slide deck our company website, the initial responses observed in the fully enrolled Buerger's disease cohort are extraordinary and consistent with the positive therapeutic effect and safety profile as reported by previously published clinical trials in Japan and the United States. In Buerger's disease where amputation and often death are likely outcomes and where no available pharmaco therapies prevent amputation, we are thus far observing a 50% remission rate with several patients still in followup. It is worth repeating that the natural history of Buerger's disease patients is continued disease progression leading to likely amputation. So you can see why we are very encouraged by these early data. We believe that these results if maintained suggest a positive outcome for the overall trial recognizing however that the final conclusions of the trial will be dependent on all data from all subjects. We expect to report topline data from the completed study in the first half of 2020. As to cost, we project that it will incur less than $5 million of additional expenses to finish this study. And regarding commercialization, our strategy remains to license CLBS12 for sale in the United States and Japan. To that end, our conversations continue with prospective partners and we continue to seek to consummate a deal in concert with the completion of the study. Finally, previously published work including a study in the United States that showed an improvement in amputation free survival and our progress in Japan combined with a high degree of interest and enthusiasm from U.S. and European CLI experts has prompted us to consider the initiation CLBS12 development in the United States and Europe prior to the completion of the study in Japan dependent upon the identification of the corresponding capital necessary to fund such a study. Moving on to our CD34 platform as a treatment for coronary microvascular dysfunction. Like all of our CD34 positive cell therapy development candidates CLBS14-CMD uses a proprietary and patented formulation of CD34 positive cells specifically designed for an injection at or near the site of ischemic insult which indicates CMD is in infusion into a coronary artery. CLBS14-CMD is currently being studied in the ESCaPE-CMD trial, a 20-patient proof-of-concept clinical trial evaluating CLBS14-CMD as a treatment for coronary microvascular dysfunction, a plaque-less [ph] heart disease involving damage to the interlining of the tiny arterial blood vessels in the heart with no discernible large vessel blockages. It should be noted that CMD is more frequently encountered in females with 65% to 75% of patients being reported to be female. Most current estimates indicate that there are potentially millions of patients suffering from CMD who have not been diagnosed or treated, making this one of the most significant, but relatively unknown women's health issues. CLBS14-CMD is designed to address the symptoms and physiology of coronary microvascular dysfunction by employing the CD34 positive cell's innate ability to increase microcirculation. As we have previously communicated, most of the costs associated with the ESCaPE-CMD trial are covered by a grant from the NIH and as such this study also should be considered fully funded through completion. Similar to the results of our CLI study in Japan, the preliminary data observed in the ESCaPE-CMD open label study comprising those subjects who have reached the six-month followup visit are extremely encouraging. With about one third of the patients completed we are observing a highly statistically significant improvement in coronary flow reserve, a direct measure of cardiac muscle perfusion along with the corresponding improvement in symptoms. Of course the final outcome of the trial will be dependent on the six-month data from all subjects. The results from this trial are not only important for defining the next development step for CLBS14-CMD, but they provide the first direct quantitative evidence in humans corroborating the mechanism of action of CD34 positive cells, something which is supportive of all of our programs and especially CLBS14-NORDA. We are looking forward to reporting topline data from the completed study by the end of 2019. And now turning to our most clinically advanced CD34 positive cell therapy program, CLBS14-NORDA. CLBS14-NORDA is being developed to address no-option refractory disabling angina by stimulating the growth of new microvasculature in an oxygen deprived heart in those patients who have had large vessel disease treated with all available therapies, but still have debilitating angina. Our enthusiasm for this program is based on a series of published phase 1, 2, and 3 study results that indicate a consistency of therapeutic effect of CD34 positive cells to increase exercise tolerance, improve heart function, and decrease long-term mortality associated with the condition. Since acquiring the rights to the data and regulatory filings CLBS14-NORDA for the treatment of refractory angina, we have successfully reactivated the IND with the FDA with Caladrius as the sponsor and received Regenerative Medicine Advanced Therapy RMAT designation from the FDA. The RMAT designation affords us the opportunity to work with the FDA to advance more rapidly and efficiently the development of this therapeutic candidate in an indication that currently has high morbidity and no effective treatment options. We continue to work closely with the U.S. Food and Drug Administration on finalizing the single Phase 3 protocol necessary for registration of this product in the no-option refractory disabling angina indication and are near to completion of our discussions. To date we have agreed to a single Phase 3 study for registration with the primary endpoint of total exercise time at six months and we continue to target the initiation of this Phase 3 study in the fall of this year. Lastly, I'll speak briefly to the top line results of our landmark Phase 2A study of CLBS03 as previously reported. CLBS03 has been in development for several years as a possible treatment for type I diabetes and is based on our proprietary T regulatory cell platform technology for immunomodulation. CLBS03 was granted Fast Track and Orphan Drug designations from the FDA for this proposed indication and was granted advanced therapeutic medicinal product classification from the European Medicines Agency. This program is based on the use of T regulatory cells to treat diseases caused by imbalances in an individual immune system. This novel approach seeks to restore immune balance by enhancing Treg number and function with the aim of stabilizing disease progression. In 2016 we commenced patient enrollment in the first of two cohorts in the Sanford project Treg study, a phase 2A prospective randomized, placebo controlled, double-blind clinical trial to evaluate the safety and efficacy of CLBS03 in adolescence with recent type I diabetes. On February 13, 2019 we announced top line results indicating that the therapy was well tolerated, but that the study's primary endpoint of preservation of C-peptide at the group level had not been achieved. We have discussed that these results were disappointing, but not entirely surprising giving the heterogeneity of the type I diabetes patient population and of the disease itself. Thus, in concert with our research partner Sanford Health and a number of key opinion leaders in the diabetes space, we are conducting a comprehensive analysis of all data from the trial including individual patient level data which will culminate with the analysis of the two-year follow-up data for all subjects in early 2020. We remain hopeful that we will uncover results that will inform us on the appropriate next steps to take in the development of CLBS03 in this or any other indication. And so in closing we are pleased to share our progress this quarter and to demonstrate continued execution against our stated objectives. Our financial position remained stable. Our pipeline programs are progressing and with the addition of the NORDA program we have multiple mid and late stage product candidates under evaluation. We look forward to continued momentum in the coming months and expect to achieve the following milestones. Finalization with FDA of the protocol design for the Phase 3 trial to support the registration of CLBS14-NORDA in the United States, initiation of a Phase 3 clinical trial for CLBS14-NORDA in the U.S., completion of enrollment in ESCaPE-CMD clinical study of CLBS14-CMD in the U.S. and announcement of top line data results and completion of enrollment of our Phase 2 clinical trial of CLBS12 for CLI in Japan and announcement of top line data results. Caladrius continues to make measurable progress advancing its development programs. Our experienced an expert team remains committed to the efficient and effective advancement of our programs as we work to bring innovative treatment options to patients in need and restore human health. And with that overview operator, we are now ready to take questions.