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VistaGen Therapeutics, Inc. (VTGN)

Q4 2024 Earnings Call· Tue, Jun 11, 2024

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Transcript

Operator

Operator

Greetings, and welcome to the Vistagen Therapeutics Fiscal Year-End 2024 Corporate Update Conference Call. 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. I would now like to turn the conference over to your host, Mark McPartland, Senior Vice President of Investor Relations.

Mark McPartland

Analyst

Thank you, Joe. Good afternoon, everyone, and welcome to Vistagen's fiscal year-end 2024 corporate update conference call and webcast. This afternoon, we filed our annual report with the Securities Exchange Commission or SEC on SEC Form 10-K for our fiscal year ended March 31, 2024 and issued a press release providing an overview of our progress during our fiscal year 2024. We encourage you to review the press release and our 10-K, both of which can be found in the investor section of our website. During today's call, we'll make forward-looking statements regarding our business based on our current expectations and information. These forward-looking statements speak only as of today and except as required by law, we do not assume any duty to update in the future any forward-looking statements made today. Of course, forward-looking statements involve risks and uncertainties and our actual results could differ materially from those anticipated by any forward-looking statements we make today. Additional information concerning risks and factors that could affect our business and the financial results is included in our fiscal year-end 2024 Form 10-K filed today with the SEC, and in the filings that we'll make with the SEC from time-to-time in the future. All of which are available in the Investors section of our website and/or on the SEC's website. With the formalities out of the way, we offer a warm welcome to all of our stockholders, sell-side analysts, and other interested in Vistagen. I'm joined on our call today by Shawn Singh, our Chief Executive Officer; Cindy Anderson, our Chief Financial Officer; and Josh Prince, our Chief Operating Officer. Shawn will provide an update on our lead programs in our diversified neuroscience pipeline. After the conclusion of the prepared remarks, there will be a brief opportunity for questions from the sell-side analyst. As a reminder, the call is being webcast and will be available for replay after completion. The replay link can also be found in the Investor section of our website. With that, I'd like to turn the call over to our Chief Executive Officer, Shawn Singh.

Shawn Singh

Analyst

Thank you, Mark. Sorry about that, everyone. Good afternoon, and thank you for joining our call. Vistagen's fiscal 2024 was filled with a series of remarkable accomplishments. Most notably with the positive results from our PALISADE-2 U.S. Phase 3 study of fasedienol for the acute treatment of social anxiety disorder, Vistagen became the first company to achieve a positive Phase 3 study with a drug candidate for the acute treatment of SAD. In addition, with the potential to complement PALISADE-2, we recently launched our PALISADE-3 Phase 3 trial, marking that as the next major step forward in our registration-directed PALISADE-Phase 3 program for fasedienol and SAD. These significant achievements and progress across our diversified pipeline of novel neuroactive faring candidates reflect our commitment to pioneering neuroscience that's anchored in a deep understanding of nose to brain neurocircuitry, focused on developing differentiated drug candidates with potential to set new standards of care for underserved patients affected by high-prevalence neuroscience disorders. As a brief reminder to some and as an introduction to others, our diverse clinical stage neuroscience pipeline features a new class of neuroactive intranasal product candidates known as pherines. Exclusively designed as nasal sprays, our pherine pipeline leverages an innovative approach to treating psychiatric and other neuroscience disorders by using the nose as a portal for the administration of novel rapid onset, neurocircuitry focused drug candidates that did not require systemic absorption or binding to neurons in the brain to achieve desired therapeutic effects. Administered microgram level doses within milliseconds, each member of our new class of pherines activates peripheral chemosensory neurons in the nasal cavity, influencing fundamental neurocircuitry in both the olfactory system and the brain. With unique proposed mechanisms of action or MOAs, our non-systemic, neurocircuitry-focused pherines have demonstrated favorable and differentiated safety profiles in all clinical studies…

Cindy Anderson

Analyst

Thank you, Shawn. As Shawn mentioned, I will highlight a few financial results from our fiscal year 2024. I also encourage everyone to review our report on Form 10-K, filed with the SEC earlier this afternoon for additional details and disclosures. Research and development expenses were $20 million for the year ended March 31, 2024, as compared to $44.4 million for the year ended March 31, 2023. This decrease in R&D expenses was primarily due to a decrease in clinical and development expenses related to the timing of expenses incurred in our Phase 3 trials of fasedienol and SAD. General and administrative expenses was $14.1 million for the year ended March 31, 2024, as compared to $14.7 million for the year ended March 31, 2023. The decrease in G&A expenses was primarily due to a decrease in professional fees and stock-based compensation expense, offset by an increase in compensation expenses. Our net loss attributed to the common stockholder was $29.4 million for the year ended March 31, 2024, compared to $59.2 million for the year ended March 31, 2023. As of March 31, 2024, we had cash and cash equivalents of $119.2 million. As a reminder, please refer to our annual report on Form 10-K that was filed today with the SEC for additional details and disclosures. I will now turn the call back over to Shawn.

Shawn Singh

Analyst

Thanks, Cindy. So as we conclude our prepared remarks, I just want to underscore the hard work and the commitment, as well as the pride and enthusiasm of our team around our potential to improve the patient lives we're focused on helping and to deliver value to our stockholders. With the commencement of our PALISADE-3 and the pending launch of our PALISADE-4 Phase 3 trials for fasedienol targeting the acute treatment of SAD, a market with increasing prevalence, now topping 30 million Americans, we are systematically executing our registration-directed program with the potential to achieve the first FDA approval for that indication. We have great confidence in our team's expertise in executing our PALISADE-3 -- PALISADE-Phase 3 program, and all the programs across our neuroscience pipeline. So on behalf of the entire team at Vistagen, I'd like to thank you for your ongoing interest and for your support.

Mark McPartland

Analyst

Thank you, Shawn. Operator, we would now like to open up the call for questions from the cell-side analysts participating on the call today.

Operator

Operator

Thank you. [Operator Instructions] And our first question comes from the line of Andrew Tsai with Jefferies. Please proceed.

Unidentified Analyst

Analyst

Hey, good afternoon and congrats on the progress. This is Matt on for Andrew, and I just had a couple of questions if you don't mind. In PALISADE-3, how many patients have you enrolled so far? And is enrollment cadence looking stronger or slower than the first couple of studies? And then also, if you don't mind commenting on the [screen] (ph) failure rate and how that compares to the prior studies as well? Thank you.

Shawn Singh

Analyst

I'm sorry, I didn't catch your name.

Unidentified Analyst

Analyst

Matt, thank you.

Shawn Singh

Analyst

Oh, hey, Matt. So we haven't given any guidance on enrollment at all on specifics of enrollments and screen fail rates and the like. But what I can tell you is what I emphasized during the prepared remarks, which is, we're very happy with the way that PALISADE-3 has kicked off. We've been able to build in some really important efficiencies, not only throughout the execution of the study, but upfront even between lead generation and actual enrollment through Visit 1 and the screening. We've been able to achieve a lot of the things that reflect and leverage the lessons learned through the course of the prior execution of studies of this particular design, leading all the way back to Phase 2 time. So I think our team is extremely well positioned to continue this study on track and the same be the case for PALISADE-4 with the ability to achieve the readouts right around the time that we've guided, which would be mid-2025 and then near the end of 2025 for PALISADE-4.

Unidentified Analyst

Analyst

Okay, got it. Thank you.

Shawn Singh

Analyst

Josh, do you have anything to add to that? Josh?

Josh Prince

Analyst

Yes, I would just -- yes, hello, Shawn. Yes, thanks. I would just say that we are pleased with the startup of PALISADE-3, that it's meeting our expectations in terms of recruitment rates, in terms of screen failure rates, those types of things. So at this point, we're very pleased with our progress.

Shawn Singh

Analyst

Thanks, Josh.

Operator

Operator

And the next question comes from the line of Paul Matteis with Stifel. Please proceed.

Unidentified Analyst

Analyst · Stifel. Please proceed.

Hi there, this is Julian on for Paul. Thanks so much for taking our question. You described a couple of notable enhancements that you made, things like operational changes, enhanced surveillance, et cetera. Do you mind just providing a little bit more color on what exactly you're doing and why that gives you greater confidence as you continue enrolling PALISADE-3 and soon PALISADE-4? And then just really quickly, one quick question. On the repeat dose study, do you mind telling us just what you're looking to achieve here, and is this more about building the safety database, or is this more about replicating efficacy with a multi-dose paradigm? Thank you.

Shawn Singh

Analyst · Stifel. Please proceed.

Great. Hey, thanks, Julian. Appreciate the questions. So just to be clear right up front, the public speaking challenge design will remain the same across PALISADE-2, PALISADE-3, and PALISADE-4, So as will the SUDS as the primary efficacy endpoints. So no changes there. Those will continue again to remain consistent throughout the development of fasedienol for the acute treatment of SAD. And that's been the case all the way back to Phase 2. So the refinements that we made to PALISADE-3 and PALISADE-4 really are based again on experience that we have very unique and extensive experience scaling up to a large Phase 3 study that come from our observations of the conduct of the PALISADE Phase 3 program from, again, the early through the late stages of the pandemic in particular. So the enhancements to PALISADE-3 and PALISADE-4 apply primarily to ensuring that we've got optimal subjects in the study, real extensive, precise, and universally applied screening, inclusion-exclusion criteria, and that the public speaking challenge protocols administered properly and consistently with limited variability. So, for example, one of the exclusion criteria that's been added is limiting high-frequency smoking or vaping, THC use, signs of COVID or any recent nasal swabs, all of which could have some sort of an impact possibly on receptors and impact a single-dose public speaking challenge. Josh, maybe talk about some of the other things that you and the team have been seeing some really significant benefits on as we've even pre-start up and now as we've gotten into the execution of PALISADE-3.

Josh Prince

Analyst · Stifel. Please proceed.

Yes, absolutely. I think two of the key things you touched on, Shawn, are our experience of going through PALISADE-1 and PALISADE-2, but then also being able to operate in a pandemic-free environment as we got PALISADE-3 up and running and as we look forward to getting PALISADE-4 up and running, it's just allowed us to really drive consistent execution across sites to reduce the potential variability. I mean, it's really around changing our approach to both study monitoring and our staffing model, right? So, it gives us rigorous training of sites and then oversight of study conduct. So if you think about where we are with PALISADE-3 compared to PALISADE-1 or PALISADE-2, we had an in-person investigator meeting for PALISADE-3. So we had that face-to-face in-person training of PIs, raters, study coordinators, which we couldn't do in one and two. And then as we've gotten sites up and running, kind of that startup process. We've already had more in-person site visits in PALISADE-3 than we did in either PALISADE-1 or PALISADE-2 because of the restrictions of the pandemic. And so, that new site-facing staffing model is giving us a lot more oversight and increased level of site communication to make sure that the studies are going the way that we want them to.

Shawn Singh

Analyst · Stifel. Please proceed.

I also add that we've eliminated mask wearing in these PALISADE-3 and PALISADE-4 by either the subject or the public speaking audience. And also the drug dose will be administered by the healthcare provider just to ensure again proper dosing for the study. So a lot of little small things as well as some significant [changements[ (ph), all intended to really enhance and optimize surveillance, control variability, the things that actually make a difference on outcome. But those are some significant mitigators, we think, to some of the risks that are typically associated when you're scaling up to a multiple center study. And then as to the repeat dose study, I'll let Josh speak to that in a minute as well, but again, we're in line with what the FDA has been discussing with us for a while on that one. And while there could be some safety benefits from the study, we also think it could also get up some benefits on labeling. So, Josh, why don't you just amplify a little more on what we've been thinking on the repeat dose study.

Josh Prince

Analyst · Stifel. Please proceed.

Yes, absolutely. It's essentially the same design as PALISADE-3 and PALISADE-4, just with the addition of an additional dose 10 minutes after the first, and then the subject moves into the public speaking challenge. The reason we're doing the study is because the FDA specifically asked and said, you know what, in the real world patient might still feel nervous after a first dose and want to take another dose. So we'd like you to kind of see what happens in that instance. And so that's why we're doing that really for the purpose of informing the label, for informing physicians on how they should advise patients. And the other piece to that is, we will have an open label extension, or we plan on for that study. And so that will let us kind of see, again, in the real world what happens if patients are able to use the product again within 10 minutes and whether or not they even do. So again, it informs the label and informs physicians on how to advise patients. And then finally, just to clarify, it's three arms. So it's placebo followed by a placebo, fasedienol dose followed by a placebo, and then fasedienol dose followed by fasedienol for the three arms.

Shawn Singh

Analyst · Stifel. Please proceed.

Key to remember these fairings, they activate the chemo sensory neurons within milliseconds. There's also a limited capacity for the nose to accept the volume of spray. So we're actually not expecting much, any really safety-related concern associated with the multiple dosing, But it does, as Josh noted, it has the potential to help inform labeling and give some guidance to, which we do think is certainly safe, which is if someone were to dose it more frequently than, say, every hour, which is the typical duration of effect of fasedienol that we've seen in prior studies.

Unidentified Analyst

Analyst · Stifel. Please proceed.

Excellent. Thank you for the details.

Operator

Operator

And then the next question will come from the line of Tim Lugo with William Blair. Please proceed.

Tim Lugo

Analyst

Thank you for the question, and congratulations on all the progress for PAL-3. And I guess my question relates to PAL-3. How many sites are up and enrolling patients? And of those sites, and maybe the planned sites for PAL-3, how many of those sites also overlap with PAL-1 and PAL-2?

Shawn Singh

Analyst

Thanks, Tim. I appreciate the question. So one of the good things about having the experience that we've got within the clinical research community is the ability to really assess sites that we think play at a varsity level and others that might not be quite there. And the emphasis certainly for what we're putting together for both of these Phase 3 study is to try to replicate PALISADE-2 as all we hope and believe is a varsity squad. So some of them do overlap from the prior studies. I think right now what we publicized -- Josh, I'm not sure if we got them up today, but should be right around 10 sites up. So, it's on a good pace. And for PALISADE-3, and some of them will have been in PALISADE-1 or PALISADE-2. But all of them uniquely, as we talked about, even if they have been before, we know there's always a benefit. We've seen it with the fact that this is the third time that this protocol, after a very long drought of really nothing in social anxiety disorder, let alone for the acute treatment, like we said, we've never seen. There's a lot of good experience and understanding and really positive read through that we've seen at a lot of the scientific conferences where we presented PALISADE-2 data. There's a great level of awareness, even sites and NPI's not involved in the program, about what we're doing, the MOA associated with this class of drugs, and this one in particular, and how -- what we're seeing is really a fundamentally differentiated approach and a drug candidate for what's been a challenge for practitioners for a very long time, which is to have something that a patient can use flexibly, control the use of it, use…

Tim Lugo

Analyst

Thank you for that. And I guess one more question for the small placebo-controlled repeat dose study. You mentioned it's for labeling purposes. Will there be a [SUD] (ph) score recorded prior to the repeat dose and then after the repeat dose, or is it more of a safety and tolerability type of study?

Shawn Singh

Analyst

Josh? Yes, there absolutely are SUD scores collected, identical to the SUD scores that are collected in PALISADE-3 and PALISADE-4. So there's the kind of the pre-speech subs, and then once the speech starts, obviously, those subs are captured for the primary endpoint. So, the actual endpoints will be identical to those in PALISADE-8.3 and PALISADE-4.

Tim Lugo

Analyst

Well, a certain non-response after the first dose, or kind of trigger that second dose, or do you just collect all the data and let people, if they feel like they need to redose, let them redose? So there's -- so in the public speaking challenge portion of the study, there is, if you recall in the study design, there's a 15-minute waiting period after the subject takes the dose. So, that second dose is administered in that same period. And we think that the activation with fasedienol is almost instantaneous, we think, but in terms of the clinical study, we wait 15 minutes before the subject engages in the public speaking challenge. And so, it's really during that waiting period where that second dose is administered. So then beyond that, the study is identical to PALISADE-3 and PALISADE-4.

Tim Lugo

Analyst

Okay. So it's potentially two doses – potentially 2 doses before the public speaking challenge, not one dose, public speaking, then another dose.

Shawn Singh

Analyst

Correct.

Tim Lugo

Analyst

Okay. Thank you so much.

Mark McPartland

Analyst

Operator, I believe that's all the time we have for questions today. If there's any additional questions, please do not hesitate to contact us by email at ir@vistagen via the contact section of our website. We also encourage you to register for email updates on our website to stay connected to the latest news from Vistagen. Again, thank you all for participating on our call today. We appreciate everyone's interest and support. We look forward to keeping you current on our continued progress. This concludes our call. Have a magnificent day.

Operator

Operator

This concludes today's conference. You may now disconnect your lines at this time. Enjoy the rest of your day.