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Lakewood-Amedex Biotherapeutics Announces Positive Antimicrobial Resistance Data for Lead Candidate Targeting Infected Diabetic Foot Ulcers

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Lakewood-Amedex Biotherapeutics (NASDAQ: LABT) reported positive in vitro antimicrobial resistance (AMR) data for lead candidate Nu-3, a topical Bisphosphocin class compound for infected diabetic foot ulcers (iDFU). In 21-day serial‑passage studies, Nu-3 showed only slight MIC increase for E. coli and no MIC change for MRSA, while ciprofloxacin controls rose >2,000-fold (E. coli) and >600-fold (MRSA). Nu-3 retained activity against ciprofloxacin‑resistant isolates, supporting a low potential for resistance development and broad-spectrum activity against resistant pathogens.

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Positive

  • Nu-3 showed only a slight MIC increase for E. coli after 21 days of serial passage
  • Nu-3 MIC remained unchanged for MRSA after 21 days of serial passage
  • Nu-3 retained original MIC against ciprofloxacin‑resistant bacteria, indicating no cross‑resistance

Negative

  • Data are in vitro only; clinical efficacy and safety in patients with iDFU are not yet demonstrated
  • Results do not quantify clinical impact on amputation rates or healthcare costs for diabetic foot ulcers

News Market Reaction – LABT

+28.95%
18 alerts
+28.95% Session close to close
+61.7% Peak in 2 hr 4 min
$23.99M Market Cap
0.6x Rel. Volume

In the May 1 session, LABT gained 28.95%, reflecting a significant positive market reaction. Argus tracked a peak move of +61.7% during that session. Our momentum scanner triggered 18 alerts that day, indicating notable trading interest and price volatility.

Data tracked by StockTitan Argus on the day of publication.

Market Context

The stock surged +28.9% in the session following this news. A strong positive reaction aligns with t...
Analysis

The stock surged +28.9% in the session following this news. A strong positive reaction aligns with the clearly favorable antimicrobial resistance profile for Nu-3, especially versus ciprofloxacin, and builds on the prior 6.28% upside after governance changes on April 28, 2026. However, the stock came into this announcement down 25.91% and trading well below its $4.97 200-day MA, so prior weakness and low liquidity could still influence how durable any move proves.

Key Figures

Resistance study duration: 21 days E. coli MIC increase: Over 2,000-fold MRSA MIC increase: Over 600-fold +5 more
8 metrics
Resistance study duration 21 days Serial passage of E. coli and MRSA with Nu-3 exposure
E. coli MIC increase Over 2,000-fold MIC increase for ciprofloxacin control in E. coli
MRSA MIC increase Over 600-fold MIC increase for ciprofloxacin control in MRSA
AMR deaths annually 1.27 million Deaths directly attributable to antimicrobial resistance worldwide
Deaths linked to AMR Nearly 5 million Global deaths in which AMR is a contributing factor
Global diabetes population Approximately 830 million People with diabetes worldwide
Infected DFU proportion About 50% Share of DFU patients whose ulcers become infected
U.S. DFU cost $80 billion Estimated cost of DFU complications in the U.S. in 2018

Historical Context

1 past event · Latest: Apr 28 (Positive)
Pattern 1 events
Date Event Sentiment 24h Move Catalyst
Apr 28 Board appointment Positive +6.3% Joseph Tucker added to board to support strategy and Bisphosphocin® program.

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

Pattern Detected

The only recent event (a board appointment) saw a positive price reaction, contrasting with the pre-news weakness here.

Recent Company History

In the past week, Lakewood-Amedex completed a Nasdaq direct listing and strengthened its board with Joseph Tucker, Ph.D., as disclosed in an April 28, 2026 announcement. That governance-focused news, tied to advancing the Bisphosphocin® program and Nu-3, was followed by a 6.28% gain. Today’s announcement adds scientific validation for Nu-3’s antimicrobial resistance profile, linking back to the same lead candidate and program highlighted in the prior governance news.

Key Terms

antimicrobial resistance, minimum inhibitory concentration (MIC), methicillin-resistant staphylococcus aureus (MRSA), vancomycin-resistant enterococci (VRE), +1 more
5 terms
antimicrobial resistance medical
"today announced positive antimicrobial resistance (AMR) data for its lead compound, Nu-3"
Antimicrobial resistance is when microbes such as bacteria, viruses or fungi evolve so that medicines meant to kill them no longer work — like a lock changing so the old key no longer fits. For investors, this increases demand and cost for new treatments, prolongs hospital stays, prompts tougher regulation and can shrink sales of once-effective drugs, affecting pharmaceutical revenues, R&D spending and broader healthcare risk.
minimum inhibitory concentration (MIC) medical
"Nu-3 showed slightly increased Minimum Inhibitory Concentration (MIC) at the end of the experiment"
Minimum inhibitory concentration (MIC) is the smallest amount of an antibiotic or antimicrobial that stops a specific microorganism from growing in a lab test. Think of it like the minimum dose of weed killer needed to keep weeds from spreading in a garden; lower MIC means a drug is more potent against the target bug. Investors care because MIC helps predict a drug’s effectiveness, dosing, likelihood of regulatory approval, and competitive position in the market.
methicillin-resistant staphylococcus aureus (MRSA) medical
"including Methicillin-resistant Staphylococcus aureus (MRSA), Vancomycin-resistant Enterococci (VRE)"
A strain of the common Staphylococcus aureus bacterium that no longer responds to methicillin and related antibiotics, making infections harder to treat; it can cause anything from skin infections to life‑threatening bloodstream or lung infections. Think of it as a lock that no longer opens with the usual key. For investors, MRSA matters because it increases healthcare costs and hospital burden, drives demand for new drugs, diagnostics and infection‑control products, and raises regulatory, reimbursement and legal risks for companies in the healthcare sector.
vancomycin-resistant enterococci (VRE) medical
"including Methicillin-resistant Staphylococcus aureus (MRSA), Vancomycin-resistant Enterococci (VRE)"
Vancomycin-resistant enterococci (VRE) are strains of common bacteria that have evolved to survive treatment with the antibiotic vancomycin, making infections harder to treat and control. For investors, VRE matters because it can drive higher healthcare costs, increase demand for new antibiotics, diagnostics, and infection-control products, and affect hospital readmissions and liability—similar to how a pest resistant to an old pesticide can boost sales of new control solutions.
peripheral arterial disease medical
"risk factor for amputations, alongside the presence of conditions like peripheral arterial disease."
Peripheral arterial disease is a condition where fatty buildup and narrowing in the arteries reduce blood flow to the legs and feet, causing pain, slow wound healing, and higher risk of infection. Investors care because PAD drives demand for diagnostics, drugs, medical devices and procedures, influences healthcare costs and reimbursement decisions, and can affect sales, regulatory milestones and long-term revenue for companies in cardiovascular and wound-care markets.

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Nu-3 represents a novel class of potent, fast-acting, broad-spectrum antimicrobials called Bisphosphocins®

SARASOTA, Fla., May 1, 2026 /PRNewswire/ -- Lakewood-Amedex Biotherapeutics Inc., (NASDAQ: LABT) a clinical-stage biotechnology company advancing a novel class of potent, fast-acting, broad-spectrum antimicrobials for infectious diseases called the Bisphosphocin® class, today announced positive antimicrobial resistance (AMR) data for its lead compound, Nu-3, which is being developed as a topically delivered treatment for infected diabetic foot ulcers (iDFU).

Nu-3 is one of a new class of antimicrobial compounds discovered by Lakewood-Amedex Biotherapeutics called the Bisphosphocin® class, which are also being explored in pre-clinical studies as potential treatments for complicated urinary tract infection (cUTI) and pulmonary infections. The Bisphosphocin® class of compounds have been shown in vitro to rapidly kill bacteria through a pH and concentration dependent destabilization of the bacterial cell membrane, typically achieving this effect in under one minute of exposure. This mechanism of action offers the potential to reduce the threat posed by antibiotic-resistant bacterial strains, including Methicillin-resistant Staphylococcus aureus (MRSA), Vancomycin-resistant Enterococci (VRE), and others.

In laboratory studies using a serial passage of E. coli and MRSA in the presence of Nu-3 for 21 days, Nu-3 showed slightly increased Minimum Inhibitory Concentration (MIC) at the end of the experiment for E. coli and were unchanged for MRSA. In contrast, the MIC for the ciprofloxacin control had increased over 2,000-fold for E. coli and over 600-fold for MRSA. In addition, Nu-3 maintained its original MIC when assessed against the bacteria that had developed resistance to Ciprofloxacin, which implies that cross-resistance did not occur.

"In experiments designed to induce resistance, the Bisphosphocin class has maintained its in vitro efficacy and potency, demonstrating a very low potential for resistance development, which confers enormous potential for our Nu-3 candidate targeting iDFU, and more broadly, as we work towards solutions for antimicrobial resistance, a major health challenge for our society," said Kelvin Cooper, Ph.D., Chief Executive Officer at Lakewood-Amedex Biotherapeutics. "Notably, the AMR data support our understanding of the mechanism of the Bisphosphocin® class of compounds, which we believe can provide a broad spectrum of activity against gram-positive, gram-negative, and multidrug-resistant organisms, and would provide a significant advantage over many existing antimicrobial classes."

The global AMR crisis is directly responsible for approximately 1.27 million deaths annually and contributes to nearly 5 million deaths worldwide. "Drug-resistant pathogens are a rising threat that have rendered many existing antibiotics ineffective, leading to increased mortality as well as higher healthcare costs and longer hospital stays," stated Thomas Balzer, MD, Ph.D., Chief Medical Officer and Senior Vice President, Clinical Development. "Of the approximately 830 million people who suffer from diabetes globally, about one third will develop a DFU in their life, of which about 50% will become infected, with many patients experiencing multiple infection events through their lives. We are developing Nu-3 to meet this very large, critically underserved treatment need."

About 15% to 20% of iDFU cases are caused by resistant pathogens, primarily MRSA underscoring the need for rapid and effective treatment in the early stage, including effective elimination of resistant pathogens to prevent disease progression and potentially devastating complications like amputations. For individual with diabetes, infections, especially when left untreated, are a risk factor for amputations, alongside the presence of conditions like peripheral arterial disease. The economic burden of DFU complications is significant, with the cost of care estimated at $80 billion in 2018 in the U.S., comparable to the cost of treating the five most expensive forms of cancer in total.

About Lakewood-Amedex Biotherapeutics Inc.
Lakewood-Amedex Biotherapeutics Inc. (NASDAQ: LABT) is a clinical-stage biotechnology company developing a novel class of fast-acting, broad-spectrum antimicrobials – the Bisphosphocin® class - to treat infectious diseases and reduce the threat posed by antibiotic-resistant bacterial strains, including MRSA, VRE, and others. For more information, please visit https://lakewoodamedex.com.

Forward-Looking Statements
This press release may contain forward-looking statements as defined by the Private Securities Litigation Reform Act of 1995. Generally, the words "believe," "expect," "intsend," "estimate," "anticipate," "project," "will" and similar expressions identify forward-looking statements, which generally are not historical in nature. However, the absence of these words or similar expressions does not mean that a statement is not forward-looking. All statements that address operating performance, events or developments that we expect or anticipate will occur in the future are forward-looking statements. Management believes that these forward-looking statements are reasonable as and when made. However, caution should be taken not to place undue reliance on any such forward-looking statements because such statements speak only as of the date when made. Our Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law. In addition, forward-looking statements are subject to certain risks and uncertainties that could cause our Company's actual results to differ materially from historical experience and our present expectations or projections.

Relying on such statements involves risk, uncertainty and assumptions. These statements  are based on the current estimates and assumptions of the management of Lakewood‐Amedex Biotherapeutics Inc. as of the date of this press release and are subject to uncertainty and changes. All statements obtained in this press release are made only as of the date of this press release and Lakewood‐Amedex Biotherapeutics Inc. does not undertake any obligation to publicly update any forward‐looking statements.

Contact
Investor Relations
Tiberend Strategic Advisors, Inc.
David Irish
(231) 632-0002
dirish@tiberend.com

Media Relations
Tiberend Strategic Advisors, Inc.
Casey McDonald
(646) 577-8520
cmcdonald@tiberend.com

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SOURCE Lakewood-Amedex Biotherapeutics Inc.

FAQ

What did Lakewood-Amedex (LABT) report about Nu-3 antimicrobial resistance data on May 1, 2026?

Nu-3 showed minimal resistance development in vitro over 21 days with unchanged MRSA MICs. According to the company, ciprofloxacin controls rose over 2,000-fold for E. coli and over 600-fold for MRSA, while Nu-3 retained activity against ciprofloxacin‑resistant isolates.

How does Nu-3 perform versus ciprofloxacin in resistance studies for LABT's lead candidate?

Nu-3 demonstrated much lower MIC shifts than ciprofloxacin in serial‑passage tests. According to the company, ciprofloxacin MICs increased >2,000-fold (E. coli) and >600-fold (MRSA), while Nu-3 showed only slight or no MIC increases.

Does Nu-3 show cross-resistance with ciprofloxacin according to Lakewood-Amedex (LABT)?

No cross‑resistance was observed in the reported in vitro tests. According to the company, Nu-3 maintained its original MIC against bacteria that developed ciprofloxacin resistance in the experiment.

What is the potential clinical relevance of LABT's Nu-3 AMR findings for infected diabetic foot ulcers (iDFU)?

The findings suggest a low potential for in vitro resistance development and broad-spectrum activity. According to the company, this could be relevant for treating iDFU where resistant pathogens like MRSA cause about 15–20% of infections.

Are Lakewood-Amedex's Nu-3 AMR results from clinical trials or laboratory studies?

The results come from laboratory (in vitro) serial‑passage experiments, not clinical trials. According to the company, the tests evaluated MIC changes over 21 days for E. coli and MRSA in the presence of Nu-3.

What pathogens did Lakewood-Amedex (LABT) highlight in the Nu-3 AMR announcement?

The company highlighted activity against MRSA, VRE, and gram‑negative organisms including E. coli. According to the company, the Bisphosphocin class demonstrated rapid membrane‑destabilizing activity and retained potency against resistant strains.