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Humacyte Announces Presentation of Symvess® Long-Term Safety and Efficacy Results at VESS Meeting

(Negative)
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Humacyte (Nasdaq: HUMA) presented 36-month V005 trial results for Symvess at the VESS Annual Winter Meeting on Feb 18, 2026. Symvess showed 92.9% infection-free rate from months 3–36, 87.3% limb salvage at 12 months and durable vessel diameter with no dilatation or narrowing through 36 months.

No conduit-related deaths or spontaneous structural failures were reported; three conduit infections occurred overall.

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Positive

  • Infection-free rate of 92.9% from months 3–36
  • Limb salvage 87.3% at 12 months
  • Limb salvage 82.5% at 24 months
  • No dilatation or narrowing of mid-graft diameter through 36 months
  • No conduit-related deaths or spontaneous structural failures reported

Negative

  • Boxed warning: risk of life-threatening graft failure from rupture
  • Anastomotic failure observed within first 36 days in trials
  • Thrombosis risk reported; antiplatelet therapy recommended
  • Transmission risk from donor-derived materials despite testing safeguards
  • Common adverse reactions include graft thrombosis, fever, and pain

News Market Reaction – HUMA

-5.26%
9 alerts
-5.26% Session close to close
+6.2% Peak Tracked
-2.9% Trough Tracked
$223.86M Market Cap
0.6x Rel. Volume

In the Feb 18 session, HUMA declined 5.26%, reflecting a notable negative market reaction. Argus tracked a peak move of +6.2% during that session. Argus tracked a trough of -2.9% from its starting point during tracking. Our momentum scanner triggered 9 alerts that day, indicating moderate trading interest and price volatility.

Data tracked by StockTitan Argus on the day of publication.

Market Context

The stock moved -5.3% in the session following this news. A negative reaction despite favorable long...
Analysis

The stock moved -5.3% in the session following this news. A negative reaction despite favorable long‑term data would fit a pattern where prior positive Symvess updates, including three‑year V005 results, did not always translate into lasting gains. Investors have previously reacted to financing needs and risk disclosures in the prescribing information. While the VESS data confirm durability and a 92.9% infection‑free rate, concerns about capital structure or risk language could still weigh on sentiment over time.

Key Figures

Follow-up duration: 36 months Patient count: 54 patients Infection-free rate: 92.9% +5 more
8 metrics
Follow-up duration 36 months Maximum follow-up in V005 extremity arterial trauma patients
Patient count 54 patients V005 Phase 2/3 Symvess extremity vascular repair cohort
Infection-free rate 92.9% Months 3–36 in V005 Symvess-treated patients
Limb salvage 12 months 87.3% V005 Symvess limb salvage at 12 months
Limb salvage 24 months 82.5% V005 Symvess limb salvage at 24 months
Conduit infections 3 infections Total conduit infections reported in V005 study
Baseline diameter 6 mm Average mid-graft vessel diameter baseline in V005
No structural failures 0 spontaneous ruptures No spontaneous ruptures or structural failures over follow-up

Historical Context

5 past events · Latest: Feb 09 (Positive)
Pattern 5 events
Date Event Sentiment 24h Move Catalyst
Feb 09 DoD funding news Positive +30.0% Targeted FY2026 U.S. DoD funding for Symvess procurement and evaluation.
Jan 08 Health economics data Positive -2.5% Five-year hospital charge analysis highlighting high costs of complications and Symvess benefits.
Jan 05 Israel MAA plan Positive +8.7% Plan to file Israel MAA for Symvess with 120 working‑day review expectation.
Dec 22 V005 results publication Positive -3.6% Journal publication of three‑year V005 Phase 2/3 Symvess extremity trauma outcomes.
Dec 16 Credit facility Neutral -5.1% Credit facility up to $77.5M with initial $40M tranche to refinance debt and fund growth.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Pattern Detected

Recent Symvess-focused positive news has produced mixed follow‑through, with some strong gains but also selloffs on favorable trial and publication updates.

Recent Company History

Over the last few months, Humacyte has highlighted Symvess across funding, clinical, and market-access milestones. On Dec 16, 2025, it secured a credit facility up to $77.5 million, followed by publication of three-year V005 data on Dec 22, 2025. In early January 2026, it announced an Israel MAA plan and economic data on extremity arterial injuries. On Feb 9, 2026, new U.S. Department of Defense funding underscored military interest in Symvess. Today’s VESS presentation reiterates the same long-term safety and durability profile in trauma repair.

Key Terms

acellular tissue engineered vessel, limb salvage, duplex ultrasound, graft failure, +4 more
8 terms
acellular tissue engineered vessel medical
"Symvess (acellular tissue engineered vessel (ATEV)) is designed to be immediately available"
Acellular tissue engineered vessels are lab-made replacement blood vessels created from biological materials but manufactured without living cells, so they act like a ready-made tube that the body can grow into and line with its own cells. For investors, they matter because they target a steady medical need (for example, replacing or bypassing damaged vessels) and carry commercial upside if proven safe and long-lasting, while also involving manufacturing, clinical trial and regulatory risks.
limb salvage medical
"supported high rates of limb salvage in patients who were followed for up to 36 months"
Limb salvage describes medical treatments and procedures aimed at saving a hand, arm, foot, or leg from amputation by repairing blood flow, infection, or damaged tissue. For investors, it signals demand for surgical tools, wound-care products, and therapies that can reduce long-term disability and costly amputations—think of it as fixing a broken bridge so traffic keeps moving rather than tearing it down. Successful limb salvage can affect health-care spending, device sales, and reimbursement decisions.
duplex ultrasound medical
"Duplex ultrasound was used to evaluate patency and mid-vessel diameter at each follow-up visit"
A duplex ultrasound is a medical scan that combines a black-and-white image of blood vessels with a sound-based measurement of how fast and in what direction blood is flowing, like using a camera plus a speedometer to check a roadway. Investors care because it’s a common, noninvasive diagnostic tool whose use, accuracy, reimbursement, and demand affect revenue for hospitals, diagnostic clinics, medical-device makers, and providers of related software and services.
graft failure medical
"BOXED WARNING: GRAFT FAILURE Loss of Symvess integrity due to mid-graft rupture"
Graft failure occurs when transplanted tissue, an implanted organ substitute, or a surgical graft does not take hold or stop working as intended — for example, when a new blood vessel, organ segment, or engineered tissue is rejected, damaged, or loses function. For investors it matters because graft failure can raise clinical risks, increase costs, delay or derail regulatory approval and market entry, and reduce the commercial value of therapies or medical devices; think of it like a replacement part in a machine that won't stay attached or perform, forcing repairs or a redesign.
anastomotic failure medical
"Anastomotic failure has occurred in patients treated with Symvess"
Anastomotic failure is when a surgical connection between two bodily structures—most often sections of intestine—is unable to hold and leaks, separates, or closes. For investors, it matters because such failures can increase patient complications, lengthen hospital stays, raise treatment costs, trigger product recalls or lawsuits, and slow or block regulatory approvals and market adoption of surgical devices, materials, or therapies designed to create or protect these joins.
thrombosis medical
"Thrombosis has occurred in patients treated with Symvess"
Thrombosis is the formation of a blood clot inside a blood vessel that can block normal blood flow, like a plaster clogging a pipe. It matters to investors because clotting events affect the safety profile and regulatory review of drugs, medical devices and treatments, can drive costly litigation or recalls, and influence healthcare demand and company valuations tied to patient outcomes and product approvals.
antiplatelet therapy medical
"DO NOT use Symvess in patients who have a medical condition that would preclude long-term antiplatelet therapy"
Antiplatelet therapy uses medicines that make blood platelets less likely to stick together, lowering the chance blood clots will form. Think of platelets as tiny workers or glue patches that seal leaks in blood vessels; these drugs reduce that “glue” to prevent heart attacks, strokes, or clots on medical devices. For investors this matters because safety, trial results, approvals, and prescribing patterns directly affect demand, market size, and regulatory risk for related drugs and devices.
vascular conduit medical
"indicated for use in adults as a vascular conduit for extremity arterial injury"
A vascular conduit is a blood-carrying channel — either a natural artery or vein or a surgically implanted tube — used to move blood to or from the heart and organs. Investors track vascular conduits because devices and procedures that create, repair or replace them influence patient outcomes, hospital spending, and demand for medical products; like the plumbing in a building, their reliability affects safety, maintenance costs and market adoption.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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- Data presented at Annual Winter Meeting 2026 for the Vascular & Endovascular Surgery Society - 

- After up to 36 months of follow-up, extremity arterial trauma patients had high rates of limb salvage, low rates of infection, and no unprovoked structural failures -

- Long-term durability results showed no dilatation nor narrowing of Symvess diameter out to 36 months -

DURHAM, N.C., Feb. 18, 2026 (GLOBE NEWSWIRE) -- Humacyte, Inc. (Nasdaq: HUMA), a commercial-stage biotechnology platform company developing universally implantable, bioengineered human tissues at commercial scale, today announced the presentation of long-term data assessing the durability of Symvess in extremity arterial trauma patients at the Annual Winter Meeting 2026 for the Vascular & Endovascular Surgery Society (VESS) in Olympic Valley, CA.

The presentation, titled “Long-Term Outcomes of the Acellular Tissue Engineered Vessel in Extremity Arterial Trauma Repair: Results from the V005 Trial,” was delivered by Michael Curi, MD, MPA, Chief, Division of Vascular Surgery, Vice Chair, Department of Surgery, Assoc Prof of Surgery, Rutgers – New Jersey Medical School. In the V005 trial, Symvess maintained long-term structural integrity, exhibited low infection rates, and supported high rates of limb salvage in patients who were followed for up to 36 months.

"These long-term results demonstrate the potential of Symvess to meet the needs of trauma patients when autologous vein is not available or feasible," said Dr. Curi. "During the V005 study, there were sustained low rates of infection, no conduit related deaths, and excellent Symvess durability out to three years—outcomes that translate into meaningful benefits for patients facing life or limb threatening injuries where autologous reconstruction is not an option."

Among those treated in the V005 Phase 2/3 study were 54 patients who underwent extremity vascular repair with Symvess for whom treatment with autologous vein, the standard of care, was not feasible. Within this patient population, once early complications from the traumatic injuries resolved, the rates of conduit infection, limb salvage, and patient survival plateaued and remained relatively constant through the three years of follow-up. Symvess maintained an infection-free rate of 92.9% from months 3–36, with no infections after day 37 and only three conduit infections overall. Limb salvage rates were 87.3% at 12 months and 82.5% at 24 months, despite a severely injured trauma cohort.

Long-term mechanical durability was also demonstrated during the V005 study. Duplex ultrasound was used to evaluate patency and mid-vessel diameter at each follow-up visit through month 36. Average mid-graft vessel diameter did not materially depart from the baseline of 6mm over 36 months. In addition, there was no evidence of trends in either dilatation or narrowing for Symvess diameter out to 36 months. Adverse events and serious adverse events declined over time, supporting the long-term durability of this vascular repair. Importantly, no deaths, amputations, or mechanical failures were attributed to Symvess. Also, there was no evidence of spontaneous ruptures or structural failures in any patient throughout the follow-up period. 

Vascular wounds are challenging for surgeons to treat, and autologous vein grafts have traditionally served as the standard of care due to their durability and low infection rates. However, autologous grafts are not always feasible in injury settings where veins are damaged or there is little time to harvest. Symvess (acellular tissue engineered vessel (ATEV)) is designed to be immediately available off-the-shelf — saving critical surgical time in emergency situations — and has also consistently demonstrated low rates of infection.

INDICATION

Symvess is an acellular tissue engineered vessel indicated for use in adults as a vascular conduit for extremity arterial injury when urgent revascularization is needed to avoid imminent limb loss, and autologous vein graft is not feasible.

IMPORTANT SAFETY INFORMATION

BOXED WARNING: GRAFT FAILURE

Loss of Symvess integrity due to mid-graft rupture or anastomotic failure can result in life threatening hemorrhage.

CONTRAINDICATIONS

DO NOT use Symvess in patients who have a medical condition that would preclude long-term antiplatelet therapy (such as aspirin or clopidogrel) after resolution of acute injuries. 

WARNINGS AND PRECAUTIONS

  • Graft Rupture

Vascular graft rupture has occurred in patients treated with Symvess. Advise patients that arterial bleeding can be life-threatening and to seek emergent medical evaluation for any signs or symptoms of graft rupture such as bleeding, pain and swelling in the extremity, or signs of extremity ischemia.

  • Anastomotic Failure

Anastomotic failure has occurred in patients treated with Symvess. In clinical studies of Symvess, anastomotic failure occurred within the first 36 days post-implantation. Monitor patients for signs of anastomotic failure such as pain and swelling at the surgical site, decreasing hemoglobin or other signs and symptoms of bleeding. Advise patients to seek urgent medical evaluation if they have any signs or symptoms that may be indicative of anastomotic failure such as bleeding, swelling or worsening pain at the surgical site or changes in color of overlying skin.

  • Thrombosis

Thrombosis has occurred in patients treated with Symvess. In clinical trials of Symvess, patients received antiplatelet therapy following implantation of Symvess to reduce the risk of thrombosis. The risk of thrombosis may increase in patients who discontinue antiplatelet therapy. Anti-platelet therapy is recommended following treatment with Symvess.

  • Transmission of Infectious Diseases

Symvess is manufactured using cells and reagents that may transmit infectious diseases or infectious agents. The cells used in the manufacture of Symvess are derived from a donor who met the donor eligibility requirements for transmissible infectious diseases which includes screening and testing of risks associated with human immunodeficiency virus 1 (HIV-1), human immunodeficiency virus 2 (HIV-2), hepatitis B virus (HBV), hepatitis C virus (HCV), and syphilis (Treponema pallidum). The cell banks are tested negative for human and animal viruses, retroviruses, bacteria, fungi, yeast, and mycoplasma. While all animal-derived reagents are tested for animal viruses, bacteria, fungi, and mycoplasma before use, these measures do not eliminate the risk of transmitting these or other transmissible infectious diseases and disease agents. Fetal bovine serum is sourced to minimize the risk of transmitting a prion protein that causes bovine spongiform encephalopathy and the cause of a rare fatal condition in humans called variant Creutzfeldt-Jakob disease. No transmissible agent infections have been reported during clinical testing.

ADVERSE REACTIONS

The most common adverse reactions (occurring at ≥ 10%), were vascular graft thrombosis, pyrexia (fever) and pain.

Please see full Prescribing Information at www.symvess.com, including Boxed Warning, for Symvess.

About Humacyte

Humacyte, Inc. (Nasdaq: HUMA) is developing a disruptive biotechnology platform to deliver universally implantable bioengineered human tissues, advanced tissue constructs, and organ systems designed to improve the lives of patients and transform the practice of medicine. The Company develops and manufactures acellular tissues to treat a wide range of diseases, injuries, and chronic conditions. Humacyte’s Biologics License Application for the acellular tissue engineered vessel (ATEV) in the vascular trauma indication was approved by the FDA in December 2024. ATEVs are also currently in late-stage clinical trials targeting other vascular applications, including arteriovenous (AV) access for hemodialysis and peripheral artery disease (PAD). Preclinical development is also underway in coronary artery bypass grafts, pediatric heart surgery, treatment of type 1 diabetes, and multiple novel cell and tissue applications. Humacyte’s 6mm ATEV for AV access in hemodialysis was the first product candidate to receive the FDA’s Regenerative Medicine Advanced Therapy (RMAT) designation and has also received FDA Fast Track designation. Humacyte’s 6mm ATEV for urgent arterial repair following extremity vascular trauma and for advanced PAD also have received RMAT designations. The ATEV received priority designation for the treatment of vascular trauma by the U.S. Secretary of Defense. For more information, visit www.Humacyte.com.

For uses other than the FDA approval in the extremity vascular trauma indication, the ATEV is an investigational product and has not been approved for sale by the FDA or any other regulatory agency.

Forward-Looking Statements

This press release contains forward-looking statements that are based on beliefs and assumptions and on information currently available. In some cases, you can identify forward-looking statements by the following words: “may,” “will,” “could,” “would,” “should,” “expect,” “intend,” “plan,” “anticipate,” “believe,” “estimate,” “predict,” “project,” “potential,” “continue,” “ongoing” or the negative of these terms or other comparable terminology, although not all forward-looking statements contain these words. These statements involve risks, uncertainties, and other factors that may cause actual results, levels of activity, performance, or achievements to be materially different from the information expressed or implied by these forward-looking statements. Although we believe that we have a reasonable basis for each forward-looking statement contained in this press release, we caution you that these statements are based on a combination of facts and factors currently known by us and our projections of the future, about which we cannot be certain. Forward-looking statements in this press release include, but are not limited to, our plans and ability to commercialize Symvess and, if approved by regulatory authorities, our product candidates, successfully and on our anticipated timelines; the degree of market acceptance of and the availability of third-party coverage and reimbursement for Symvess and, if approved by regulatory authorities, our product candidates; our ability to manufacture Symvess and, if approved by regulatory authorities, our product candidates in sufficient quantities to satisfy our clinical trial and commercial needs; the anticipated benefits of our ATEVs relative to existing alternatives; our plans and ability to execute product development, process development and preclinical development efforts successfully and on our anticipated timelines; our ability to design, initiate and successfully complete clinical trials and other studies for our product candidates and our plans and expectations regarding our ongoing or planned clinical trials; the anticipated characteristics and performance of our ATEVs; the implementation of our business model and strategic plans for our business; our ability to execute and achieve the expected benefits of our cost-saving measures and whether our efforts will result in further actions or additional asset impairment charges that adversely affect our business; and the timing or likelihood of regulatory filings, acceptances and approvals. We cannot assure you that the forward-looking statements in this press release will prove to be accurate. These forward-looking statements are subject to a number of significant risks and uncertainties that could cause actual results to differ materially from expected results, including, among others, changes in applicable laws or regulations, the possibility that Humacyte may be adversely affected by other economic, business,  competitive and/or reputational factors, and other risks and uncertainties, including those described under the header “Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2024 and Form 10-Q for the quarter ended September 30, 2025, each filed by Humacyte with the SEC, and in future SEC filings. Most of these factors are outside of Humacyte’s control and are difficult to predict. Furthermore, if the forward-looking statements prove to be inaccurate, the inaccuracy may be material. In light of the significant uncertainties in these forward-looking statements, you should not regard these statements as a representation or warranty by us or any other person that we will achieve our objectives and plans in any specified time frame, or at all. Except as required by law, we have no current intention of updating any of the forward-looking statements in this press release. You should, therefore, not rely on these forward-looking statements as representing our views as of any date subsequent to the date of this press release.

Humacyte Investor Contact:
Joyce Allaire
LifeSci Advisors LLC
+1-617-435-6602
jallaire@lifesciadvisors.com 
investors@humacyte.com 

Humacyte Media Contact:
Rich Luchette
Precision Strategies
+1-202-845-3924
rich@precisionstrategies.com 
media@humacyte.com


FAQ

What did Humacyte announce about Symvess 36-month durability (HUMA) on Feb 18, 2026?

Symvess maintained structural integrity with no dilatation or narrowing through 36 months. According to the company, duplex ultrasound showed average mid-graft diameter remained near the 6mm baseline and no trends toward dilation or narrowing were observed.

What were the Symvess infection and limb salvage rates reported in the V005 trial (HUMA)?

Symvess had a 92.9% infection-free rate from months 3–36 and only three conduit infections overall. According to the company, limb salvage was 87.3% at 12 months and 82.5% at 24 months in the treated trauma cohort.

Were any deaths or structural failures linked to Symvess in the V005 trial (HUMA)?

No deaths, amputations, or mechanical failures were attributed to Symvess during follow-up. According to the company, there were no spontaneous ruptures or unprovoked structural failures observed through 36 months.

What safety warnings should investors note about Symvess (HUMA) after the V005 results?

Symvess carries a boxed warning for potential life-threatening graft failure from rupture. According to the company, anastomotic failure, thrombosis risk, and transmission risks from donor-derived materials are outlined in safety information.

How does Symvess aim to help trauma surgeons when autologous vein grafts are not feasible (HUMA)?

Symvess is an off-the-shelf acellular tissue engineered vessel intended for urgent revascularization when vein grafts are unavailable. According to the company, it saves surgical time and showed low infection rates in emergency extremity arterial repairs.

What follow-up imaging supported Symvess durability findings in the V005 trial (HUMA)?

Duplex ultrasound measured patency and mid-graft diameter at each visit through month 36. According to the company, average mid-graft diameter stayed near baseline and no progressive narrowing or dilation trends were detected.