Fred Cohen
Analyst · Stifel. Your line is open
Thank you, Scott. This morning we provided an update on the LOGICS Phase III study of RECORLEV for the treatment of endogenous Cushing syndrome. As a reminder, LOGICS is a double blind, placebo controlled randomize withdrawal study targeting approximately 46 to 54 subjects for enrollment that is intended to assess the efficacy and safety of RECORLEV. The primary endpoint is the proportion of subjects with a loss of therapeutic response to RECORLEV upon withdrawing to placebo, compared with the proportion of subjects with a loss of therapeutic response upon continuing treatment with RECORLEV. As designed, we have conservatively powered this study reflecting this we project that a minimum 35% difference in the loss of response proportions between the active and placebo groups will lead to a statistically significant entrance. Although we have made progress towards completing LOGICS, we now project that we will report topline results for the study in the second or third quarter of 2020 a delay from our most recent projection of topline results by the end of the first quarter of 2020. I would like to take a few moments to provide some context around the reasons for the delay, and explain why the projection for the time it will take to receive topline results spans two quarters. We naturally based our earlier projections for LOGICS enrollment largely on the completed SONICS study, as our prior Phase III study had nearly identical entry criteria as LOGICS, and employed many of the same investigators sites in the United States and Europe. Furthermore, we learned much from the SONICS experience that was anticipated to positively impact LOGICS enrollment such as how to provide optimal concierge level patient support services and investigator site support to remove barriers to enrollment. However, as we have learned more about LOGICS with time, particularly over the past nine months or so, we have come to appreciate how fundamental differences between SONICS and LOGICS in terms of design and procedural intensity of translating into differences and the willingness of potential participants to sign on to and remain in Logics to be specific. We now believe that the use of a placebo comparison in LOGICS which did not exist in SONICS it’s a prospect that some otherwise willing participants cannot bear even though immediate open label rescue therapy is available, should symptoms of Cushing syndrome RECORLEV. As for the intensity of LOGICS, there are twice as many visits and procedures in LOGICS as in SONICS per unit of time. And this also appears to be taking in toll on enrollment speed. Checking together, these factors have caused us to revisit our time to complete enrollment. I did want to comment on the fairly large window of time that we are allowing for reporting the topline results that spans the second and third quarters of next year. The design of LOGICS provides for variability in the time it takes a subject to complete each phase. LOGICS is comprised of four phases, screening, plus three therapeutic phases, let me walk you through those. Screening procedures are designed to determine eligibility for the trial. On average, it takes about four to six weeks to complete screening. The first therapeutic phase is an open label titration and maintenance phase. During this phase, patients receive increasing doses of RECORLEV as needed to achieve normalization of mean urinary free cortisol, or UFC and must maintain a stable dose for a minimum of four weeks before progressing to the next phase. The minimum time that each patient must spend in this phase is 14 weeks and we allow for up to approximately 19 weeks for completion routinely, with additional time allowed on an exceptional basis. So there is a range extending to over five weeks between the shortest and longest durations in the titration maintenance phase. Participants are then enrolled at their therapeutic dose into the randomize withdrawal phase. The study phase in which the primary endpoint is determined. In the randomize withdrawal phase, patients are randomly assigned to receive blinded study drug, which is either active drug at their established therapeutic dose, or an equivalent number of matching placebo tablets. Biochemical markers, including USC and patient symptoms are assessed approximately every 10 days during this phase to determine if the patient is continuing to respond well to therapy or of cortisol control is being lost. Patients who have documented loss of cortisol control can be rescued immediately with open label RECORLEV and be moved directly into the final study phase known as restoration. The need for early rescue is by protocol definition considered to be study completion for purposes of assessing the primary endpoint with the outcome assessed as your loss response. So an early rescue can occur after about two weeks into this phase. In contrast, patients who maintain their response to therapy and who do not require rescue therapy complete all the visits and randomize withdrawal, which occurs no sooner than eight weeks and up to approximately 91 half weeks following the date of randomization. Therefore, whether or not a patient requires early rescue therapy determines the duration of time that a patient will require to complete the randomize withdrawal phase. It represents cycle time variability of about seven weeks or about two months. Taking together the protocol specified variability in the time required to complete both the titration maintenance and randomize withdrawal phases is approximately 12 weeks or about three months, accounting for the range and timing to the receipt of topline results that we are reporting today. We should be able to provide a more precise estimate of the timing of topline results once the last participant has completed the titration maintenance phase and has been randomized next year. As it relates to NDA submission, we believe we can submit an NDA approximately six months after the topline LOGICS results are reported. As stated previously, we believe that if our NDA is accepted for review, we can expect a review cycle time of 10 months from the date of submission, which is the standard PDUFA cycle time for review of a new active substance via the 505 (b)(2), NDA pathway. I would like to highlight two other updates on RECORLEV first at the end of October, we held a routine by annual data and safety monitoring board meeting for LOGICS and based on their assessment of the benefits and risks of therapy. The DSMB recommended that the study continues as planned. Second in September, the SONICS pivotal Phase III study of RECORLEV including comprehensive results to the end of the maintenance phase were published online in The Lancet, Diabetes & Endocrinology. We are currently working on additional SONICS publications that we expect to be published in 2020. With that, I will turn the call over to Rob Lutz, our CFO who will review financial highlights from the third quarter before we open the call to questions. Rob?