Michael Weiss
Analyst · SunTrust Robinson Humphrey. Please go ahead
Thank you, Sean and Jenna, and thanks everyone for joining us this morning. 2018 is off to a great start with the extension of our preclinical pipeline to include our own BTK inhibitor, plus various updates for our clinical programs. 2018 is setting up to be a highly impactful year as we look forward to the announcement of topline response rate data from the UNITY-CLL Phase 3 trial, completion of enrolment into the current cohorts of the UNITY-NHL study, final MS Phase 2 data, significant enrollment in our MS Phase 3 program, as well as filing decisions and potential filings of the company’s first BLA/NDA later in the year. Before reviewing our current development program, as well as the key milestones for 2018, I would like to kick this call of my recapping some of the recent accomplishments that we have already achieved in 2018. In January, we entered into a license agreement with the Chinese Pharma Company, Hengrui for the rights to develop their BTK inhibitor program. In February, we announced the publication of The Lancet Oncology, our results from the first Phase 1, first-in-human study of umbralisib, formerly referred to as TGR-1202, our novel once-daily PI3K delta inhibitor. Next, we presented the first preclinical data on TG-1601, our novel BET inhibitor, at the 2018 American Association for Cancer Research annual meeting. And most recently, we presented updated clinical and MRI data from the Phase 2 MS trial of ublituximab, formerly referred to as TG-1101 at the American Academy of Neurology Annual Meeting. We’ve had a busy start to the year, but this is just the beginning, and we look forward to the momentum continuing to build throughout the year. With that, let me give a high-level overview of our ongoing Phase 3 and pivotal programs and we will try to keep it brief today as our last quarterly conference call was not that long ago. Let’s begin with the UNITY-CLL Phase 3 program, which is a randomized study of ublituximab in combination with umbralisib or U2 as we refer to the combination compared to an active control of ublituximab plus chlorambucil in patients with both treatment-naïve and relapsed or refractory chronic lymphocytic leukemia. As a reminder, this trial is being conducted under special protocol assessment with the FDA and is a large global trial, including over 600 patients. Enrolment into this trial exceeded our expectations and the trial enrolled nearly 9 months ahead of schedule. Approximately 60% of the patients enrolled the frontline and approximately 40% over last or refractory. We are still targeting topline overall response freight data from this trial in the second quarter of this year. However, as mentioned on our last quarterly conference call, we may have to wait for slightly longer follow up on the patients and if we choose to do this, we would expect the announcement of topline results to still occur before the end of the summer. To remind everyone, we are targeting a 15% absolute improvement in overall response rate, which if successful, we plan to seek to file for accelerated approval in the fourth quarter of 2018. It is also worth reminding everyone that the primary endpoint for this study is progression-free survival to support full approval of the U2 combination and ideally supported very broad label for the treatment of CLL. With that, I’ll give a quick update on the GENUINE trial. As a reminder, GENUINE is a randomized Phase 3 trial of ublituximab plus ibrutinib, compared to ibrutinib monotherapy in patients with high-risk relapsed or refractory, Chronic Lymphocytic Leukemia. We are currently working closely with CLL experts to finalize our risk-benefit assessment, which we believe supports the position at ublituximab, ibrutinib provides meaningful benefit over all available therapy, including venetoclax based therapy. In parallel, we are moving forward with preparation of our BLA through potential filing in the third quarter of this year, knowing this preparation will also be critical in supporting the potential BLA/NDA filing, which should be based on the results of the UNITY-CLL overall response rate data. Next, I’ll give you a short update on our UNITY-NHL trial. As you may be aware, this is a multifaceted program evaluating single-agent umbralisib and building towards evaluating the U2 double combination of potentially triple combinations using U2 as a backbone across various subtypes of non-Hodgkin lymphoma or NHL. The UNITY-NHL trial currently has three distinct cohorts, evaluating the different subtypes of NHL. So, let’s first start with the Follicular Lymphoma cohort. In this cohort, we are currently enrolling relapsed or refractory follicular patients into a same arm of umbralisib monotherapy. Our goal is to enroll approximately 100 patients and plan to achieve this by made 2018. As a reminder, the panel listed was recently approved with the data from a similarly designed and sized study. Next. The marginal zone cohort. Similar to the follicular, we are also currently enrolling relapsed or refractory patients into a single arm of umbralisib monotherapy. Our goal here is to enroll about 60 patients and we plan to achieve this in the fourth quarter of 2018. Again, as a reminder, here we are following the ibrutinib, the recent ibrutinib approval, which is based on a similarly designed and sized study. Lastly, within the UNITY-NHL trial, we are evaluating a cohort of patients with relapsed or refractory diffused large B-cell lymphoma. This is a more aggressive form of lymphoma and we are now enrolling into a single arm of U2 plus bendamustine. We are targeting complete enrollment into the U2 plus benda cohort also by mid-year. Now, let’s review of Multiple Sclerosis program. Starting with the updated Phase 2 data of ublituximab and MS, which was most recently presented at the American academy of neurology annual meeting. The updated data now include safety data from all 48 patients through 24 weeks enrolled the Phase 2 and has previously presented ublituximab remained well-tolerated across all patients, including those receiving a rapid infusion as low as one hour for the 400 mg dose – 450 mg dose, which is the dose we chose for our Phase 3 program. With all patients now through 24 weeks of treatment, the data also continues to affirm the efficacy of ublituximab with sustained B-cell depletion, 100% reduction in T1 Gd-enhancing lesions, and most importantly, an annualized relapse rate that remains below the ARR observed with ocrelizumab, the only approved anti-CD20 monoclonal antibody in MS. We are extremely pleased and look forward to presenting the final Phase 2 data which will include 48-week data on all patients enrolled at a major meeting later this year. This data supports our ongoing Phase 3 program in Multiple Sclerosis known as the ULTIMATE trials. As a reminder, we are running two identical Phase 3 trials under special protocol assessment with the FDA evaluating ublituximab in relapsing forms of MS. The trials are currently enrolling in both the United States and Europe, and we are targeting complete enrolment of approximately 850 patients across the two trials by the first quarter of 2019. With ocrelizumab, the only approved CD20 for MS tracking to generate approximately 1 billion in sales in its first year, we believe this represents a major opportunity for us where we can compete on price and convenience. With that, I’d like to turn the call over to the conference operator to begin the Q&A session. Following which, I will return and provide some concluding remarks, as well as review our remaining milestones for 2018.