VistaGen Therapeutics Inc
NASDAQ:VTGN
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Earnings Call Analysis
Summary
Q1-2025
Vistagen's research and development expenses increased to $7.6 million for Q2 2024, mainly due to the PALISADE Phase III trial. General and administrative costs rose to $4.6 million, resulting in a net loss of $10.7 million. The company holds $108.4 million in cash and equivalents. Vistagen's lead candidate, fasedienol, aims for FDA approval for social anxiety disorder (SAD), affecting 12% of U.S. adults, with Phase III trials on track. Other Phase II programs target major depressive disorder and menopausal hot flashes. The company is confident in making significant progress in upcoming clinical milestones.
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Ladies and gentlemen, greetings, and welcome to Vistagen Therapeutics Fiscal Year 2025 First Quarter Corporate Update Conference Call. [Operator Instructions] As a reminder, this conference is being recorded.
It is now my pleasure to introduce your host, Mark McPartland, SVP, Investor Relations at Vistagen. Please go ahead.
Thank you, Ryan, and good afternoon, everyone, and welcome to Vistagen's Fiscal Year 2025 First Quarter Corporate Update Conference Call and Webcast. This afternoon, we filed our quarterly report with the Securities and Exchange Commission on the SEC Form 10-Q for our quarter ended June 30, 2024, and issued a press release to provide an overview of our continued progress. We encourage you to review the release and our 10-Q, which can be found in the Investors section of our website.
We will make forward-looking statements regarding our business during today's call based on current expectations and information. These forward-looking statements speak only as of today. Except as required by law, we do not assume any duty to update any forward-looking statements made today or in the future. 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 financial results is included in our fiscal year 2025 first quarter 10-Q for the period ended June 30, 2024, and will be made in the future filings that we make with the SEC from time to time, all of which will be available in the Investors section of our website and, of course, on the SEC's website.
With the formalities completed, we warmly welcome our stockholders, sell-side analysts and others 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 the lead programs in our novel class of neurocircuitry-focused pherine drug candidates and our clinical-stage pipeline. After that, at the conclusion of our prepared remarks, there will be a brief opportunity for the questions from the sell-side analysts participating on the call.
As a reminder, this call is being webcast and will be available for replay after completion. The replay link can also be found in the Investors section of our website.
I will now turn the call over to our Chief Executive Officer, Shawn Singh.
Thank you, Mark, and good afternoon, everyone. Thank you for joining our call today. For those of you who are joining us for the first time, we're a neuroscience company with a diverse pipeline that includes multiple clinical-stage product candidates in Phase II and Phase III development. And each of these is a novel, nonsystemic neurocircuitry-focused product candidate. Our 3 lead clinical development programs target large markets with stale standards of care that leave millions of individuals with unsatisfied medical needs, specifically individuals affected by the profound fear and anxiety associated with social anxiety disorder, the serious and potentially life-threatening impacts of depression and the disruptive effects of menopausal hot flashes.
For decades, the standard of care in these markets, these very large indications, has been anchored in oral medications that require systemic uptake and are associated with a bundle of worrisome side effects and safety concerns, prolonged onset of action and limited efficacy. And our mission is to change that, to change that with our pioneering neuroscience and our new class of clinical-stage product candidates called pherines.
Distinguished from all systemic oral medications approved by the FDA, our lead neuroactive pherines, fasedienol for social anxiety, itruvone for depression and PH80 for menopausal hot flashes are intentionally formulated as nasal sprays to rapidly activate unique nose-to-brain neural circuits to achieve therapeutic effects without requiring systemic uptake or direct action on neurons in the brain and to do so with favorably differentiated safety profiles that we've observed in all clinical studies of our pherine product candidates have been completed to date.
Pherines use the nose and key neurons located in the olfactory epithelium is a portal to activate neural circuitry in different regions of the brain that impact multiple medical conditions, and again, they do that without having to travel through the whole body or even into the brain. Those fundamental differences have enabled us to achieve historic clinical success in a Phase III trial for the acute treatment of social anxiety disorder, or SAD, that we reported last year as well as also see positive results in exploratory Phase II trials involving patients with major depressive disorder, menopausal hot flashes, premenstrual dysphoric disorder and psychomotor impairment due to mental fatigue.
Our top priority, the lead neuroscience program in which the vast majority of our team and our capital are focused on is our U.S. registration-directed PALISADE Phase III program for fasedienol. That is our investigational pherine nasal spray for the acute treatment of SAD. There's no FDA approved medication for the acute treatment of SAD, which is a very large, growing and underserved market that affects 12% of adults in the U.S. As I noted many times, our principle goal is to change that.
Last year with our PALISADE-2 Phase III trial of fasedienol, we reported the first ever positive Phase III trial of a drug candidate for the acute treatment of SAD. Earlier this year, we launched another Phase III trial, PALISADE-3, designed similarly to PALISADE-2 with the objective of replicating the success of that study. Enrollment in the PALISADE-3 study is on track, and we are also on track to initiate our PALISADE-4 Phase III study in the second half of this year, as we previously guided. That study will have the same design as PALISADE-3 and the same objective of replicating the positive results from PALISADE-2. Both of these Phase III studies as well as an exploratory Phase IIa repeat dose study will read out next year.
We believe either PALISADE-3 or PALISADE-4, if successful, and together with PALISADE-2, may establish the substantial evidence of the effectiveness of fasedienol in support of a potential U.S. New Drug Application submission to the FDA, which, if approved, could establish fasedienol as the first ever FDA-approved acute treatment of SAD. A new treatment option with the potential to be used on demand as needed by millions of Americans whose serious and sometimes life-threatening anxiety and fear of embarrassment, judgment, humiliation in a wide range of social and performance situations affect their daily lives over many years and potentially and unfortunately sometimes lead to depression and even suicide.
So again, our U.S. registration-directed PALISADE Phase III program for fasedienol for the acute treatment of SAD is our top priority, and we are on track and well funded to do what's necessary to put us in a position with the potential to achieve that important and very valuable goal for patients and for our stockholders.
We are also staging our other 2 lead pherine clinical-stage programs in depression and hot flashes for further Phase II development in the U.S., building on positive results in exploratory Phase IIa studies in each of these large market indications, each of which has stale standards of care and nonsystemic pharmacological treatment alternative. We've seen -- and what we've seen in Phase II from nonsystemic itruvone for MDD and nonsystemic hormone-free PH80 for menopausal hot flashes so far as to both efficacy and safety is driving our confidence in the potential of these product candidates to improve lives.
Itruvone holds the potential to emerge as a novel and fundamentally distinct stand-alone treatment for major depressive disorder. And we're preparing and strategizing for a Phase IIb development of itruvone in the U.S. as a product candidate with the potential to help individuals who suffer from depression gain relief from their MDD symptoms swiftly and without many side effects of currently available systemic treatment options. Itruvone is distinguished by its favorable safety profile that's been observed in studies that have been completed to date, which is not associated with unwanted sexual side effects, for example, or weight gain potential for abuse.
And finally, our nonsystemic hormone-free pherine product for -- product candidate for menopausal hot flashes, PH80, holds considerable medical commercial promise in multiple women's health conditions, but most notably menopausal high flashes that affect millions of women around the world. Similar to what we have accomplished to enable further Phase II development of itruvone for MDD in the U.S., our ongoing nonclinical program for PH80 aims to enable our U.S. IND to further Phase II clinical development of PH80 in the U.S. as well and to do that for menopausal hot flashes. We are confident that millions of women who are affected by menopausal hot flashes would prefer a novel nonsystemic hormone-free treatment option over the current therapies.
With that, I'll turn the call over to Cindy, our CFO, to summarize some of the financial highlights from the last quarter. Cindy?
Thank you, Shawn. As Shawn mentioned, I will highlight a few financial results from our fiscal year 2025 1st quarter. I also encourage everyone to review our report on Form 10-Q filed with the SEC earlier this afternoon for additional details and disclosures.
Research and development expenses were $7.6 million for the quarter ending June 30, 2024, compared to $4.2 million for the same period last year. The increase in R&D expenses was primarily due to an increase in clinical and development expenses related to the commencement of PALISADE-3 and costs related to preparation for the initiation of PALISADE-4 Phase III trial of fasedienol in SAD, an increase in headcount costs and increase in consulting and professional fees.
General and administrative expenses was $4.6 million for the quarter ending June 30, 2024, compared to $3 million for the same period last year. The increase in G&A expenses was primarily due to an increase in headcount costs and professional service expenses to support the continued expansion of our administrative activities.
Our net loss attributable to common shareholders was $10.7 million for the quarter ended June 30, 2024, compared to $6.9 million for the same period last year. As of June 30, 2024, we had cash, cash equivalents and marketable securities of $108.4 million.
As a reminder, please refer to our quarterly report on Form 10-Q filed today with the SEC for additional details and disclosures.
I will now turn the call back over to Shawn.
Thanks, Cindy. What drives our team day in and day out is the opportunity to improve patient lives with our pioneering neuroscience along with the potential value for stockholders that often accompanies that type of accomplishment with our on-track progress in our U.S. registration-directed PALISADE Phase III program for fasedienol that's aimed at the acute treatment of SAD, which is a mental health disorder that's growing in prevalence. It's now affecting over 30 million Americans on the other side of the pandemic, and none of them have yet an FDA-approved, flexible, patient-tailored acute treatment option.
So we're confident in advancing on our goal to secure that first FDA approval. And it's a very serious and very life-threatening and highly prevalent indication that requires the kind of serious attention and effort that our team is putting on driving this PALISADE Phase III program forward, building on the success we've achieved last year from the PALISADE-2 study.
So on behalf of everybody at Vistagen, I just want to thank you all for your continued interest and your continued support on our mission.
Thank you, Shawn. Operator, we would now like to open the call for questions from the sell-side analysts participating today.
[Operator Instructions] Our first question is from the line of Paul Matteis with Stifel.
This is [ Mark ] on for Paul. We were curious in just hearing if you can provide any color on the types of patients that are currently enrolling for the Phase III trials for fasedienol. That would be great.
Sure. [ Mark ], thanks a lot. Josh, do you want to address that? Josh is on top -- primarily on top of our execution of the PALISADE program. Can you just give a brief insight, Josh?
Yes. So it's -- I mean it's very similar patients to those that were enrolled in our PALISADE-2 study. So from an inclusion/exclusion criteria, LSAS scores greater than 70, for example, no other kind of primary health disorders, no other primary mental health disorders. That has to be -- SAD would have to be primary. Those types of things. In addition, some of the exclusion criteria that we had incorporated were elimination of excessive smoking or vaping, for instance. But it's typically primary SAD diagnosis with high enough severity. It's the typical patients that are coming in.
Thanks, Josh. It's important. Obviously, we do quite a bit to ensure that we've got folks that properly meet the I/E criteria. And we also obviously are focused on people with a disorder that's chronic. The typical onset with this disorder, as many people know, is in adolescence. And the duration is typically about 20 years. So you have people that obviously you want to get people involved who can be impacted by the medication. So we have a specific level set up to make sure that there's appropriate chronicity and severity. We also make sure that they haven't had any more recent medical issues that would have caused them to be ineligible for the study. But very high scrutiny and upfront in recruitment and lead generation and prescreening as well as making sure people are perfectly aligned with our I/E criteria.
Our next question comes from the line of Andrew Tsai with Jefferies.
So first one for PALISADE-3. Are you by chance seeing higher screen failure rates compared to PALISADE-1 and 2? And is there anything else that you might be seeing in real time that gives you that extra boost of confidence you are doing the right thing, enrolling the right patients and executing the study even more rigorously than last time?
Josh, do you want to give a little further insight on that?
Yes, absolutely. Thank you for the question. I think at this point, what we've seen in terms of screen failure rates in terms of those that have a high enough score in the first public speaking challenge in terms of an anxiety score to move on to the second public speaking challenge, we've been pleasantly surprised that those rates have come in consistent with our projections. So we're seeing, again, progress of the study that's in line with expectations towards the targets that we've established. And so I think in general, really things going as expected there.
And then can you remind us how long it took for you to start in PALISADE-1 and 2 -- I guess -- maybe PALISADE-1 and whether the enrollment cadence for PALISADE-3 is looking stronger or faster than the first study?
Andrew, thanks for the question. The question -- the enrollment cadence is on track with what we've guided. I mean look, obviously, the black swan and the pandemic impacted a lot of activity in 1 and 2, although we've been so pleasantly surprised by -- not really surprised but expected and happy to see, is how normative the clinical development environment is now and how we are able to have a lot more predictability on the things that caused fits and starts in prior studies during the pandemic, especially PALISADE-1. So I can tell you that we're comfortable with the cadence and we're on track. Josh, anything else you want to add to that?
I think that captures it. The one thing I should have mentioned before was the -- there's just a reminder that we have 2 public speaking challenges, right? So a key part of this study is the screen out in -- at visit 2 and the first public speaking challenge of those subjects who don't have a high enough anxiety level to really show improvement. It's one of the things that differentiates our study. And it's not inclusion/exclusion, but it's a key piece of making sure that we have the right subjects moving forward to the randomization portion of the study. And those rates, those are critical for study execution. Those rates have been similar to what we observed in PALISADE-1 and PALISADE 2.
Great. Last question is, what's the latest on the PALISADE-2 publication as well as a potential Breakthrough Designation filing?
Andrew, look, we know obviously what we achieved in PALISADE-2 is historic. No one's ever done it. And so that's given rise to interest in terms of manuscript that we will be submitting to a journal that we believe is the best fit for that. That's in a very nice, mature stage of development. The other part of it is, look, as you know, we've achieved Fast Track designation already. That's a serious and life-threatening indication. There's no question about that. What we achieved in PALISADE-2 is a very significant differentiator. So -- and we'll see how it goes. There's never any guarantee you can make about any activity with the agency, but I like the chances that we have in fitting the profile that's typically associated with moving beyond Fast Track.
Our next question is from the line of Tim Lugo with William Blair.
Congratulations on the progress in the quarter. Can you remind us if you had discussions with the FDA about self-administration in PAL-1 and 2 versus HCP administration in PAL-3 and 4 and how you expect that to impact any dosing language in the label?
Sure. Thanks, Tim. Sure, we've obviously submitted the protocols to the agency, and they understand both of them. We -- it's more consistent with what occurred in Phase II, the HCP administration of the single dose. So again, you're trying to ensure that you've got no variability site to site. So we don't think it will impact anything associated with what we see at the end of the day if we're successful in 3 and 4 combined with 2 -- 3 or 4 combined with 2. And that is for the acute treatment of SAD full stop and up to multiple times a day, 4 to possibly even 6 times a day, given as you know, people have some days no stressor events and some days they have multiple different stressor events.
So we see the ability for patients to be able to use the drug on demand. And that's consistent with the kind of discussions we've had with the agency in the past. So we want it to be an opportunity for people to have this drug in their backpack, in their pocket to be able to -- especially when they anticipate and predict stressors coming upon them, to be able to use it to knock down those symptoms at flare and cause them to not be able to either engage or to engage with all kinds of fear and disruptive anxiety and fearing embarrassment or humiliation.
So we really do like -- and I think that's part of why we're so comfortable with the patient-reported outcomes that are associated with the study design, both PGIC as well as the SUDS on the front end. We want patients to be in control. And what we've shown in PALISADE-2 is that they can be in control. And the same thing now to replicate the efficacy of the drug just to ensure that you've got no potential variability with the use. We'll still do also a pretty normal human factor test downstream, but we don't see any issues.
Okay. And can you -- I think -- maybe I missed this in the prepared commentary, but was there any granularity on the Phase IIb and NDD when that's going to be kicked off? Is that by year end?
No, not by year-end. Right now, we are working with some really good KOLs around the hoop on that program. And so we're finalizing -- got a solid protocol synopsis that's developed. We're now moving that into the full protocol, which we'll submit to the agency before the end of the year. And so we'll see how things progress on the other side of that.
[Operator Instructions] Our next question is from the line of Madison El-Saadi with B. Riley Securities.
Congrats on the progress you made. So a couple from me. Could you remind us how safe 4 will be performed at the same clinical size as PALISADE-3? And will we see top line data from PALISADE-3 before dosing starts in PALISADE-4?
So the first question was, will there be distinct sites in the studies? And the answer to that is yes. We'll have about 15, 16 sites per study, and we're not anticipating any overlap in the sites from the 2 studies. And then I'm not quite sure I heard the last part of the question, but if it was associated with when we will initiate PALISADE-4, is that what it was?
If we'll see top line data from PALISADE-3 before dosing starts in PALISADE-4.
No, no. PALISADE-3 top line data, both of those studies will read out in '25. So currently, our target for PAL-3 is mid-25 and for PAL-4 will be near the end of '25. Both of -- every aspect of the PALISADE Phase III program, every single component of it, that remains associated with this U.S. directed -- registration-directed program will be started this year and completed next year.
Got it. That's helpful. And then if I could ask, what are, I guess, the gating steps to the MDD Phase IIb trial? And it looks like you guys have kind of reached the top of the dose efficacy curve with the current 6.4-microgram dose. Is that how you're looking at it? Or could that dose change?
No, we think that's where we'll land. We saw some very nice success in the Phase IIa study at 2 different dose levels. And where I think we're landing on that one, again, we're trying to finalize the protocol working with some of the KOLs you all have seen on our SAB, Maurizio Fava, Gerard Sanacora, Sanjay Mathew, Michael Liebowitz, all with long-term experience in depression. And what we see again with this drug, similar to obviously the way that we've achieved clinical success with the other pherines is to be able to get there through neurocircuitry-focused MOAs that do not drive on to the same side effect and safety profile lane as we've typically seen in every single drug that's out there.
And so what we think we can do here in a stand-alone monotherapy, we'll probably shoot it over 6 weeks with the 6.4 dose, double-blind, placebo-controlled, 1:1 randomization. We'll lean into Hamilton. HAMD-17 is the primary endpoint, just like we did in Phase II. A lot of that has to do with what we've seen with depression and the benefits that we've seen there with this asset. So it will be a fairly conventional approach to -- from an endpoint standpoint, and I think a 6-week program is what we're looking at by twice a day dosing over 6 weeks at the 6.4-microgram level.
Thank you. Ladies and gentlemen, there are no further questions. I would now hand the conference over to Mark McPartland for his closing comments. Mark?
Thank you, operator, and thank you, everyone, for participating on the call today. If you have any other questions, please do not hesitate to contact us by e-mail at ir@vistagen.com or the Contact Us section of the website. We also encourage you to register for e-mail updates on the website to stay connected to the latest news and events for Vistagen. Thank you all again for participating on the call. We appreciate everyone's interest and support. We look forward to keeping you updated on our ongoing progress. This concludes the call. Have a magnificent day.
Thank you. Ladies and gentlemen, the conference of Vistagen Therapeutics has now concluded. Thank you for your participation. You may now disconnect your lines.