Good morning and welcome to the Corbus Pharmaceuticals Quarterly Update Conference Call and Webcast. At this time, all participants are in a listen-only mode. A question-and-answer session will follow the formal presentation. [Operator Instructions] As a reminder, this conference is being recorded.It's now my pleasure to introduce your host, Ted Jenkins, Senior Director, Investor Relations and Corporate Communications. Please go ahead, sir.

Thank you, Kevin. Good morning everyone. At this time, I’d like to remind our listeners that remarks made during this call may state management’s intentions, hopes, beliefs, expectations, or projections for the future. These are forward-looking statements and involve risks and uncertainties.Forward-looking statements on this call are made pursuant to the Safe Harbor provisions of the federal securities laws. These forward-looking statements are based on Corbus' current expectations and actual results could differ materially. As a result, you should not place undue reliance on any forward-looking statements.Some of the factors that could cause actual results to differ materially from those contemplated by such forward-looking statements are discussed in the periodic reports Corbus files with the Securities and Exchange Commission. These documents are available in the investor section of the company’s website and on the Securities and Exchange Commission’s website. We encourage you to review these documents carefully.Joining me on the call today are Dr. Yuval Cohen, our Chief Executive Officer; Dr. Barbara White, our Chief Medical Officer and Head of Research; Sean Moran, our Chief Financial Officer; and Craig Millian, our Chief Commercial Officer.With that, it is my pleasure to turn the call over to Yuval.

Thank you, Ted. Good morning everyone. It is my pleasure to welcome everyone to Corbus Pharmaceuticals first quarter 2020 earnings conference call. We had an active first quarter and are on track for an exciting year. We anticipate multiple catalysts and data readouts in the coming months.First, topline analysis and data from the RESOLVE 1 Phase 3 study in systemic sclerosis remains on schedule and will be available this summer. These data will be followed by topline data from our Phase 2b lenabasum study in cystic fibrosis.With these critical data readouts now closer than ever, we are focusing more and more on preparing our NDA submission, and commercialization following FDA approval. We are also on track with our CRB-4001 Phase 1 study that will start later this year as well, as a selection as our next candidate also scheduled for later this year.I would now like to turn the call over to our Chief Medical Officer and Head of Research Dr. Barbara White to provide us with an update on our clinical and research program. Thank you. Barbara?

Thank you, Yuval. To start, we do not anticipate significant delays or impact from the COVID-19 on the delivery of topline data from the ongoing Phase 3 systemic sclerosis and Phase 2 cystic fibrosis studies. Our staff and the study site staff are committed to completing these studies on time, with attention to subjects' safety and data integrity.Because of COVID-19, Corbus has put into place new ways of working remotely within the company and with study sites, external contractors, consultants, and vendors. We have had virtual meetings with staff at all study sites about how to manage subjects' safety, efficacy evaluations in short supply if subjects cannot have visits at sites.We remain in frequent contact with sites about these issues, data entry, and data monitoring. We have implemented remote data monitoring procedures and are implementing central data monitoring for all ongoing clinical trials run by Corbus.Our procedures are consistent with FDA and other health authority recommendations made for the pandemic. We will resume on-site data monitoring for all ongoing clinical trials when safe to do so, and travel and site restrictions are listed.I'm pleased to inform you that as of Friday, as a result of these efforts, about 99% of enrolled Phase 3 systemic sclerosis study subjects and about 96% have enrolled Phase 2b cystic fibrosis study subjects have completed double-blind randomized placebo-controlled dosing. Each study has a 28-day safety follow-up period after dosing is complete.Just note participation in the systemic sclerosis Phase 3 open label extension remains high. About 97% of eligible subjects to-date have enrolled in the open label extension, with a few more patients waiting to enter the open label extension after COVID-19 associated travel restrictions are lifted.Only about 1% of subjects have dropped out of the OLE to-date and some subjects have participated in the open…

Thank you, Barbara and good morning everyone. We continue to execute on our commercial strategy to the launch-ready ahead of a potential analysis and regulatory approval.As we advance our pre-launch preparations, we're building our commercial capabilities, establishing a deep understanding of the market, and needs of the patient and communicating relevant scientific information in the appropriate manner.Importantly, we have established a talented group of capable leaders to drive a successful launch and have most recently filled key roles on the Marketing and Medical Affairs teams.On the last call, I highlighted the robust market access landscape and payer research we completed at the end of last year. In the first quarter of this year, we conducted additional market research in the form of a baseline awareness and perception survey with 100 U.S.-based rheumatologists who treat systemic sclerosis.These divisions reported that nearly half of their systemic sclerosis patients suffer from the diffuse cutaneous form of disease. These are the same type of patients who are in our clinic trials and so are of specific interest to us.Importantly, a vast majority of respondents strongly agreed that there is a high burden of disease, diminished quality of life, and the high mortality rate associated with systemic sclerosis. This recognition of the unmet need is entirely consistent with other market research and KOL insights that we've gathered today.Through this research, we also established a baseline for awareness and perception of current treatment approaches, as well as potential medicines and development. For example, on an aided basis, about 50% of respondents were familiar with the cannabinoid receptor Type 2 as a potential mechanism for treating systemic sclerosis. And about 30% were familiar with lenabasum as a potential future treatment. At this stage, these numbers are encouraging while also leaving room for growth.On a promising note, of…

Thank you, Craig. Thank you, Barbara. I will now provide a brief update on our financial position. The company ended the quarter with $46.6 million in cash and cash equivalents. We maintain our guidance and expect the cash on hand and the remaining $7.5 in milestone payments from the Cystic Fibrosis Foundation Award to fund our operations into the fourth quarter of 2020.In closing, I want to reiterate how excited we are for the second part of this year. With multiple data readouts and catalysts ahead, including two topline data readouts for systemic sclerosis and cystic fibrosis respectively. This will be the most important several months since Corbus was founded six years ago.Let me also take a moment to thank our staff, our collaborators and the participants in our studies, especially in these very challenging times for their continued hard work, and dedication. We are immensely grateful and hopeful that we will see the end of this crisis very soon.With that, I would like to thank all of you for your time and attention this morning. I now turn the callback to the operator and we'll open the call for questions from the audience.

Thank you. We’ll now be conducting a question-and-answer session. [Operator Instructions] Our first question today is coming from Brian Abrahams from RBC Capital Markets. Your line is now live.

Great. Thank you. Good morning. So, you mentioned sorry, this is Bert on for Brian this morning. Thank you for taking our questions. So you mentioned that around 99%, I think of the patient's different dose in the RESOLVE 1 study, I just wonder if you could talk a little bit about what data is loved to collect in the study?And then assuming that there may be some impact of COVID-19 on the data collection, what would be the plan for imputation of any missing data and what potential impact could that have on the powering of the study? Thank you.

Okay. This is Barbara, I'll take that question. A couple of things to be clear 99% of them have finished through the end of dosing and there is yet another 28-day follow-up. So we will need to collect data on the last visit or visits as well as the 28-day safety follow-up data. So we have some more data to be collected.However, to-date, our data collection and the entry of what we call pages, page entry is also largely complete. It is more than 98% complete. So we're pleased with the progress to-date despite, obviously, the challenges of COVID-19. We will when we're done as we do for all studies, need to make sure every last page of data is entered and that has been monitored.Because of travel restrictions, we have begun remote data monitoring that's when sites actually give us data online. We have access to data online, we review it and we've done central monitoring, which is where we look over the data ourselves internally, just an additional programming make sure the data are sensible.And we assume that between the onsite data monitoring that we have had in place and maybe able to reinstitute remote monitoring and central monitoring, we will be able to ensure data integrity. We do not anticipate a significant delay because of these challenges, there may be up to a few weeks delay, but at this point, we're not expecting a lot more than that. So, we remain on target for the data.In terms of powering, we've also had our statistician look closely at powering, we do statistical analysis programs includes approaches for data imputation and in fact multiple projects and sensitivity analysis those will be applied were needed because many of the patients had already completed before COVID-19. This will minimize the impact of the need to impute data.And certainly in the cystic fibrosis study that pulmonary exacerbation data all can be collected remotely. So, again, that helps there. We remain well powered. We've enrolled in each study a few more patients than we anticipated, dropout rate has been less than we anticipated. So again, powering remains where we wanted it to be, which is above 90% in the SSC study.

Excellent. Thank you so much.

Thank you. Our next question today is coming from Maury Raycroft from Jefferies. Your line is now live.

Hi, good morning, everyone and thanks for taking my questions. I'm going to ask an endpoint question again, just for the upcoming SSC pivotal data readout this summer. Can you guys just talk more about the relationship between mRSS and our CRISS score and skin softening?And so it said that a five point improvement is clinically meaningful on mRSS, do you have a sense of what the bar for meaningfulness is for Kellogg's and FDA and the CRISS scale?

So, thank you for the question. We will determine what is minimal important difference, which is a change in from baseline, which subjects say is associated with improvement and the same thing for physicians, we simply ask the patients if they think they've improved and determined the median score of patients who believe they haven't proved them the same thing for physicians who say the patients have improved.So, we will have direct data on what that will be at the end of the study. So I don't really want to speculate on what that that answer is at this point. But I think we'll be able to drive that with data when we were there and what impact to the same thing for the mRSS will determine the same kind of minimal important difference within the study for the mRSS. And we'll provide those data, both in publications as well as to the regulators.

Got it. Okay. And so for as a follow-up, I guess for mRSS, then with that being a secondary endpoint, do you guys have a sense of what different scenarios look like, for the data on that endpoint? And how FDA would interpret the data during your review? Or is it kind of the same answers what you just said?

So I think -- I think the most important thing is to reiterate that the FDA has clearly said that they will look at the totality of the data, when they assess things certainly we have our primary, and we'll hope we are quite optimistic that we will see a P value on this outcome that reflects the totality of the disease as Craig has said that's super important when treating these patients and that's what the ACR CRISS does.The mRSS is the best existing outcome to look at skin sickening, which is a measure of skin fibrosis. It's also important to patients, FDA said to look at the totality of the disease, and we have the totality of the data. And we believe that, there has been no stipulated requirements that we get a p value on mRSS or that we show a certain difference.At the same time, we certainly expect there to be a treatment effect on mRSS. And we expect to be able to say, what the minimal important differences and normal important changes from baseline? And we would expect, actually to reach that, in the patients who have been treated, will show all this data to the regulators.

Okay, that's helpful. And then just a quick question on that total SSc website, just wondering if there's a lot of information on there. Just wondering, if you're collecting information from potential patients that could use or have some -- and can you comment at all on that, I guess it was mentioned that there you're getting a lot of the website and there's a lot of information being consumed. But do you have a sense of are you collecting patient information and building a patient database on the website?

Yeah, thanks. Thanks for the question. Maury. Actually, the website is directed to rheumatologists. So, specifically, rheumatologists who are treating systemic sclerosis, but aren't necessarily kind of the opinion leaders. The opinion leaders are very much aware of the unmet need and are aware of Corbis in the clinical program, and the potential for CB2 agonism.So what we really wanted to do was reach out to the broader community of treating physicians who treat systemic sclerosis, not patients -- so it's not a patient directed website. And what we wanted to do is make sure they're aware of the unmet need within the disease and what were the sciences leading in terms of potential treatments including CB2 agonism.As part of the evolution of the campaign, there'll be more, more dynamic content added to the site. And we will begin to collect information, start to build a database and begin to have a conversation, with those positions, with obviously the appropriate -- the appropriate type of content in a pre-approval context. So this is unbranded. It's non-promotional, it's purely disease, education, but obviously a great opportunity to begin to identify physicians, who have an active interest in learning more about systemic sclerosis. So we are intending to sort of build that database and then continue that communication as we head into potentially a launch of one lenabasum. But not -- no patient information is on the website.

Got it. That's helpful. Thanks for taking my questions.

Thank you. Our next question today is coming from Leland Gershell from Oppenheimer. Your line is now live.

Hey, good morning. Thanks for taking my questions. Just one for me, I joined the call a few minutes after the start. Yuval you mentioned the number of patients who had completed dosing in the resolve when studied before the COVID-19 prices really begin to --

I'll hand it over to Barbara.

Hi, Leland. I actually don't know the absolute number, the majority of them has, and so we will be missing a few patients who have efficacy assessments at the very end, but we can impute those. Those subjects have actually had partial assessments, what could be done offsite. We will impute the data that we need to impute.And again, when we looked at -- looks at the power calculations and that impact on the study we've not seen a significant impact negated in part, as I said by a bit of over enrollment and, and a lower dropout rates than we expected. So we do believe will remain on target for both delivery and adequate powering.

Okay. And then just one follow-up, since your initial disclosure of the switch from mRSS to CRISS for the primary endpoint that you intend to have for that Phase 3, have you had any further interactions with the agency on that endpoint any further color you could provide on their willingness to use that as a primary endpoint for the trail? Thanks.

So we’ve not had further interaction. Again, I want to say that, they've clearly said that the primary efficacy endpoint that choice was up to Corbus, okay. They didn't say well think about it, and I guess, absolutely they clearly said at the meeting, that choice is up to Corbus. And that they would look at the totality of the data.So I just wanted to emphasize that, they've had the revised protocol for quite some time that has that changed an efficacy endpoint. And we've had no further inputs on them about that change.

Okay. That's very helpful. Thanks very much.

Thank you. [Operator Instructions]Our next question today is coming from Christopher Marai from Nomura Instinet. Your line is now live.

Hey, good morning, and thank you for taking the question. And congratulations, Barbara on all your hard work to get these studies enrolled and in the right direction with the situation.Anyway, I wanted to first touch upon a little more clarity regarding how many patients are enrolling in the open-label extension, you highlighted on the call that 97% of eligible patients were enrolled in the OLE. And could you just remind us, the qualifier there on eligible? What does it mean? What does it mean for a patient to be eligible? Then I have a follow-up. Thank you.

Sure, Chris. First of all, I wanted to say thank you for the kind comments, I do think our staff deserves a shout out. They have gone through extraordinary efforts during this challenging time to keep the studies ongoing as seamlessly as possible and they've just done a fantastic job. I'm so proud of them. The next question and I lost it, because I was so focused.

Long day in this busy week. So yeah, I know, it was it was just understanding -- if you qualify -- the OLE in patients now that you have some eligible patients could you just remind us -- what the reason for choosing eligible patients?

The original definition of eligible was you had to complete the dosing in the double blind placebo control part -- part of the study. And now because we know some subjects can't have that very last visit on site. We've extended that. So if there for any reason, they couldn't get the last visit on site, we would still allow them to be eligible.They might have a bit of a pause that will allow them to be eligible. We don’t want the patients to suffer the consequences of COVID-19 as well. So today, it's all of those patients that fall in that category. And we have over at this point, don't know the exact number, but I do know, it's more than 300 patients enrolled.

Okay, great. That's very helpful. And then just thinking about, the timelines with respect to data collection and analysis and presenting top line results from the SSc study, you know, made that, and I guess, the timing of that contract from our understanding, but relative to the CF data that you expect to present, is there any chance to see if data could come before that the C data?And then finally on the SSc top line, I was just curious what you're expecting to share with the street and how you're expecting to share that with the street. Thank you.

So, will the CF data results top line come before the SSc answer to that is no. The study is behind the SSc study in terms of where it stands. We have slightly more patients to come through, the last -- the time that their last shows will be later.So, we expect the top line CF data to be out more or less a month, give or take a few weeks later than the SSc data can't say precisely at this point, but it will be later by about that amount of time.When we present top line results, we would certainly expect to present top line efficacy results -- results most, if not all of the secondary’s, and safety information, of course, because of the importance of safety. That's what you should expect.

Great. Very helpful. Thank you and congrats again.

Thank you.

Thank you. We reached the end of our question-and-answer session. And ladies and gentlemen, that does conclude today's teleconference. You may disconnect your lines at this time and have a wonderful day. We thank you for your participation today.