Marvin Slosman
Analyst · Alliance Global Partners
Thank you, Chuck, and thanks to everyone for joining our call this morning. Our third quarter results reflect a continuation of our recent progress and momentum. We generated total CGuard revenue of over $1.4 million, representing growth of nearly 39% over the third quarter last year. During the quarter, we sold 2,624 CGuard stent systems as compared to 1,709 in the same period a year ago. This represents a growth of 54% year-over-year.
As we share a portion of our sales revenue with distributors in the majority of our markets, procedural volume is a more accurate indication of market penetration and share retention. As we indicated last quarter, we currently enjoy greater than 20% share in approximately half of our markets with some territories up to over 80%, which remains the bellwether of our focus in dominating the carotid revascularization space with the CGuard stent system across the broadest vascular specialist treating patients. Launching our new delivery systems, including a new transcarotid and advanced next-generation transfemoral platform will enable share growth and accelerate the conversion of vascular surgeons converting to our endovascular platform.
As a reminder, amongst vascular interventions, carotid artery disease lags all other procedures in terms of percentage of cases that are treated endovascularly, estimated at 25% currently. So when you look at the availability of conversion of procedures to stenting, there remains a significant number of surgical procedures that we believe can be converted with our next-generation MicroNet mesh-protected device, driven by our unmatched clinical data now out as far as 5 years with best patient outcomes as compared to both first-generation stents and open surgery.
In terms of market conditions, the regulatory landscape in Europe for all medical device companies remains in the midst of a sea change with new compliance regulations under the new MDR certification for CE Mark. We are working with our notified body on compliance and to secure the continuation of our certificate under the new regulation, which currently ends November 12, while preparing our customers and distributors with sufficient inventory to mitigate as best as possible any potential delays in the certification process.
Our presence at important medical meetings is also a key component of our long-term growth strategy and provides an effective platform from which we can espouse the many benefits of CGuard as compared to both conventional stents and surgery. In September, the CGuard Optima study was selected in the 2022 TCT conference to be presented as a part of a featured research program. The presentation which was delivered by Professor Piotr Musialek reviewed the findings of this multicenter investigator-initiated trial known as CGuard Optima, comparing both procedural residual prolapse through the stent struts and clinical outcomes of patients treated with CGuard versus objective performance goals after carotid stenting. Professor Musialek described the results as unprecedented because of the total elimination of carotid artery-related plaque prolapse with CGuard, measured with systemic IVUS ultrasound assessment.
The clinical outcomes showed at 30 days an ipsilateral minor stroke rate of only 0.57% and no major strokes. This presentation adds to the significant body of evidence that we have compiled over the years, including 1,850 patients demonstrating unmatched performance and stroke prevention delivered by CGuard with its proprietary MicroNet mesh protection versus all other cath stent platforms and surgical treatment options currently available. Therefore, our strategy remains unchanged, which is to focus on stent performance through superior outcomes and patient care with all specialists treating carotid artery disease.
Now turning to other developments. In September, we jointly announced with NAMSA, a leading comprehensive medical technology contract research organization, that we have entered into a strategic partnership agreement to accelerate new product development and commercialization. Speed to market is a critical success factor for any new medical technology. And given the increasingly complex regulatory and clinical requirements in many markets, NAMSA's full continuum of development services will serve us well as we work to further expand our pipeline as quickly and efficiently as possible.
In terms of our U.S. IDE trial, C-Guardians, we currently have 19 U.S. sites enrolling patients with plans for 2 more in Europe. Five sites are now enrolling and all 24 are actively enrolling sites that are building cases in an accelerating pace, which is very encouraging. Our current outlook remains consistent with enrollment completion by approximately Q1 of 2023.
Regarding Japan, we have made progress since our last quarterly update in our discussions with potential distributor partners interested in representing CGuard and we continue to see a very high level of interest. An agreement, if executed, would complement the distribution agreement in China we signed last year. As we have noted in the past, Asia is a very important market to us as the existing standard of care for procedural intervention is predominantly endovascular focused and less surgically dominated than the U.S. and certain European markets.
In terms of product pipeline, the CGuard EPS stent platform remains the foundation of our business as the device drives patient outcomes beyond the selected delivery option. To fully utilize the full potential of CGuard, we are developing 2 new delivery systems to drive utilization across the broadest vascular specialist community. We continue to advance development of our new transfemoral delivery system, CGuard Prime which will be available in both standard and short shaft versions compatible with the development of SwitchGuard, our TCAR accessory device. In combination, these will offer a transcarotid option to our portfolio designed for those clinical needs and conversion of greater surgical procedures to the CGuard EPS stent platform.
We continue to work tirelessly toward our goal of changing the paradigm of how carotid stenosis is managed. With CGuard EPS, we believe we can offer the best patient outcomes and broader set of tools to unlock the tremendous potential of this rapidly evolving market segment. We look forward to a catalyst-rich 2023 as we continue to establish CGuard as standard of care.
With that, I'll turn the call over to Craig to review our first quarter financials. Craig?