Wael Hashad
Analyst · H.C. Wainwright
Thank you, Derek. Good afternoon, everyone. We are pleased to update you on our progress and to share why we're confident in Longeveron's opportunity and its future. As a reminder, for those of you newer to our story, Longeveron is a regenerative medicine company developing cutting-edge cellular therapy. Our lead development compound a cellular therapy candidate called Lomecel-B, represents a pipeline and a product opportunity that is being evaluated across 3 important treatment areas. Addressing numerous unmet medical needs with U.S. market potential opportunity of approximately USD 10 billion to USD 18 billion.
There are 4 main reasons that give me confidence in our ability to achieve the opportunity of Lomecel-B. The first is launch of our own foundation and a strong science. Lomecel-B is a proprietary, scalable allogeneic cellular therapy that has delivered positive initial results across 5 clinical trials. Phase I and II trials in Alzheimer's disease, Phase I and II trials in aging-related Frailty, and Phase I in hypoplastic left heart syndrome or HLHS. Second is the experience and expertise of the launch of our own team, which makes advancing this research possible across clinical development, regulatory and manufacturing. Third, is the team's dedication and commitment to advance this research -- for the fourth and most important reason, the patients.
Hypoplastic left heart syndrome, Alzheimer's disease, aging Frailty, these words convey a lot of information to scientists and doctors, but they can fully express the devastating impact these disease and conditions have on the patients and their families. It is heartbreaking to see an infant after a heart surgery so early in their young lives for the lack of a memory and cognition associated with Alzheimer's. What freely drives everyone here at Longeveron, day in and day out is the patients and the opportunity to have a positive impact for them. They are why we are working every day to hopefully develop therapeutic solutions for these unmet needs. These 4 reasons drive my confidence in our ability to make an impact, and that impact starts with HLHS, our strategic priority for this year.
As you know, we completed Phase I study, known as ELPIS I, which produce positive results that were the basis for initiating our ongoing Phase II study, ELPIS II, which is evaluating Lomecel-B as a potential adjunct treatment for HLHS. Completing enrollment in this trial by the end of this year is our primary focus with this program. HLHS is our top priority program as we believe it is the program with the highest probability of success and the shortest path to potential regulatory approval. The ELPIS I data were also the basis for the U.S. FDA awarding the HLHS program with 3 distinct and important designations. Orphan Drug designation, Fast Track designation, Rare Pediatric Disease designation, which upon approval may lead to granting of a priority review factor, a very valuable additional assets, which have granted enable us to speed up FDA review of another Longeveron NDA or BLA, or to potentially sell the voucher to another company. The selling price of these priority review vouchers has generally been in excess of USD 100 million.
My earlier point about the strength of our science is further evidenced by the positive data from CLEAR MIND Phase IIa clinical trial in mild Alzheimer's disease. We anticipate meeting with the FDA late this year to review future clinical and regulatory strategy for continuing this important program. Our Chief Medical Officer, Dr. Nataliya Agafonova, will provide some additional details on both HLHS and the Alzheimer's disease program later in this call.
I want to take a moment to highlight 2 other areas of the company where we are optimizing our resources, and that reinforces the reason I just mentioned for our confidence. Given our preliminary Phase II clinical data suggesting that Lomecel-B may potentially address the problem associated with aging-related Frailty, we are gaining additional real-world evidence from our currency enrolling investigational Frailty and cognitive impairment registry trial in the Bahamas. Eligible participants may receive Lomecel-B for aging-related Frailty, Alzheimer's disease or other indications at their own expense and are then followed for safety and clinical efficacy.
Why this is important? First, it's an indicative of the strength of our initial data that supports the authorization for this investigational program in the first place. Second, though that this investigational registry trial, we are able to collect real-world treatment data to better understand Lomecel-B activity, safety profile and potential efficacy. Lomecel-B has been safely administered in over 500 patients to date across clinical trials and this registry trial. We believe this data will be important in guiding clinical development program for Lomecel-B. Finally and importantly, we are able to generate this data in a cost-neutral manner as participants do so at their own expense. Building on the success of this registry trial so far, we plan to launch an investigational osteoarthritis registry trial in the Bahamas in the fourth quarter of this year.
The second area is in regard on Longeveron's manufacturing expertise and capabilities. We have assembled a team of experts and proprietary technology that enable us to take systematic approach to rapidly develop improved cell therapies. Our state-of-the-art GMP facility in Miami at Life Science and Technology Park consists of 3,000 square feet of clean room space containing 8 ISO 7 clean rooms, and ancillary area as well as 1,150 square feet of process development, quality control and warehouse space. All products are manufactured and released based on FDA guidance. While this facility gives us a capacity to manufacture Lomecel-B for clinical trial use and potentially, if approved, for commercial scale, we do not currently need the facilities full capacity. This presents an additional opportunity for us as a company -- the company's manufacturing expertise, capabilities and facility are in demand from other pharmaceutical organizations.
We plan to expand contract manufacturing operation as part of our overall resource optimization strategy. We have already secured the first contract under this initiative and started preliminary work with the client. We believe this contract manufacturing has the potential to expand the team experience and generate approximately $4 million to $5 million in annual revenue once it's up and running fully, helping offset our clinical development cost and reducing but not eliminating our additional capital needs, which leads me to the final area of comments, capital allocation and spend.
As I hope you can see from my prior comments, we are tightly focused on optimizing our resources and being good stewards of shareholders' capital. With focus on expense control, our total operating expenses are down 8% year-over-year. In April, we raised $11.4 million, which combined with our existing balance sheet, will help us fund continued development of the HLHS program and regulatory discussion for Alzheimer's disease program into the fourth quarter.
The data generated to date in HLHS and Alzheimer's disease, all support broad potential for Lomecel-B as a regenerative medical therapy across multiple indications. The strength of that data, our experienced and committed team, and the unwavering focus on patients give me confidence in the future of Lomecel-B and Longeveron.
With that, I will turn the call to Dr. Agafonova to provide an update on the clinical development program. Nataliya?