Natera and CytoDyn Announce Strategic Collaboration to Advance ctDNA-Guided Development and Molecular Response Analysis in Metastatic Colorectal Cancer

Key Terms

circulating tumor dna medical

Fragments of DNA shed by cancer cells into the bloodstream that act like tiny fingerprints of a tumor; they can be detected with a blood test rather than a biopsy. Investors care because circulating tumor DNA (ctDNA) enables faster, lower-cost ways to detect disease, track treatment response, identify emerging resistance and enroll patients in trials—factors that can materially affect the commercial prospects of diagnostics and therapeutics.

ctdna medical

Circulating tumor DNA (ctDNA) is tiny fragments of genetic material shed by cancer cells into the bloodstream, like breadcrumbs that can reveal a tumor’s presence and genetic makeup without needing a biopsy. For investors, ctDNA matters because tests and technologies that detect and analyze these fragments can speed diagnosis, track treatment response, and signal relapse, creating commercial opportunities in diagnostics, personalized therapies, and monitoring services.

molecular residual disease medical

Molecular residual disease is the tiny amount of cancer that can remain in the body after treatment and is detectable only by sensitive tests that find cancer DNA or other molecular traces. It matters to investors because these measurements can predict relapse, guide whether additional therapy is needed, and shape the market for diagnostics and drugs—much like finding embers after a fire helps decide if more firefighting is required.

mrd medical

MRD stands for minimal residual disease, the tiny number of cancer cells that can remain in the body after treatment and that may not show up on routine scans. Detecting MRD is like finding a few seeds left in a garden after clearing: it helps doctors predict the chance of relapse and measure how effective a therapy is, which investors watch because MRD results can influence clinical trial success, regulatory decisions, and a drug’s market potential.

real-world data technical

Real-world data consists of information collected from everyday sources outside of controlled experiments or official reports, such as patient records, insurance claims, or wearable device readings. For investors, it provides a more complete picture of how products and services perform in actual use, helping them make better-informed decisions based on how things work in real life rather than just in theory or controlled settings.

rwd technical

Real-world data (RWD) are health and medical information collected outside controlled clinical trials—such as electronic health records, insurance claims, patient registries, wearable devices, and pharmacy records. For investors, RWD is like seeing how a product performs on city streets versus a test track: it reveals how treatments work in everyday practice, helps predict market uptake, supports regulatory and reimbursement decisions, and can reduce uncertainty about a therapy’s real-world value.

electronic medical record medical

An electronic medical record is a digital version of a patient’s chart that stores clinical notes, test results, prescriptions and treatment history in a secure, searchable system—like a locked, organized digital filing cabinet for a doctor’s office or hospital. Investors care because EMR systems drive recurring software and services revenue, affect healthcare providers’ efficiency and costs, and carry regulatory, cybersecurity and interoperability risks that can influence a company’s profitability and valuation.

monoclonal antibody medical

A monoclonal antibody is a laboratory-made protein designed to recognize and attach to a specific target in the body, such as a disease-causing substance or cell. It functions like a highly precise lock-and-key tool, helping to treat or detect illnesses. For investors, companies developing monoclonal antibodies can represent promising opportunities in the healthcare sector, especially as these treatments often address unmet medical needs.

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AUSTIN, Texas & VANCOUVER, Wash.--(BUSINESS WIRE)-- Natera, Inc. (NASDAQ: NTRA), a global leader in cell-free DNA and precision medicine, and CytoDyn Inc. (OTCQB: CYDY) (“CytoDyn”), a clinical-stage oncology company advancing leronlimab, a first-in-class humanized monoclonal antibody targeting the CCR5 receptor with therapeutic potential across multiple indications, today announced a strategic collaboration to evaluate circulating tumor DNA (ctDNA) dynamics and generate real-world molecular insights to support CytoDyn’s metastatic colorectal cancer (mCRC) development program.

Under the agreement, Natera will assess CytoDyn clinical trial samples from the CLOVER Phase 2 study (ClinicalTrials.gov Identifier: NCT06699836) in patients with mCRC. Signatera^TM, Natera’s personalized assay for the detection of molecular residual disease (MRD), will be used to evaluate ctDNA dynamics and molecular response patterns associated with leronlimab treatment.

Natera will also provide customized real-world data (RWD) analyses leveraging its proprietary oncology database, which is the largest multi-timepoint early- and late-stage oncology dataset with more than 2 million plasma timepoints and enriched clinical and imaging records. By integrating molecular response data from its MRD testing platform with curated electronic medical record (EMR) data, this multimodal dataset enables analyses of patient populations, treatment patterns, ctDNA response rates, and response dynamics across diverse clinical settings. Together, these capabilities are expected to generate insights into molecular response and disease progression that may help inform future clinical development of leronlimab, including clinical trial design, biomarker-driven patient selection strategies, and broader translational research efforts.

The collaboration builds on CytoDyn’s growing oncology program and follows completion of enrollment in the CLOVER study, which is evaluating leronlimab in combination with trifluridine/tipiracil (TAS-102) and bevacizumab in patients with previously treated mCRC. The collaboration is also expected to complement ongoing translational and biomarker analyses from the study aimed at further characterizing treatment response and informing future development strategies.

“Signatera has become an increasingly important tool in precision oncology and clinical development,” said Jacob Lalezari, M.D., chief executive officer, CytoDyn. “Through this collaboration, we expect to gain valuable insights into ctDNA response kinetics and disease progression that may help guide future development strategies for leronlimab in colorectal cancer and potentially other solid tumor indications.”

“We are pleased to partner with CytoDyn and provide their team with insights derived from one of the largest and most comprehensive real-world molecular oncology data platforms,” said Matt Love, vice president, biopharma data & AI partnering, Natera. “Our platform enables biopharma partners to better understand disease biology, treatment response, and patient outcomes, helping inform key development decisions throughout the drug development lifecycle.”

About Natera

Natera™ is a global leader in cell-free DNA and precision medicine, dedicated to oncology, women’s health, and organ health. We aim to make personalized genetic testing and diagnostics part of the standard-of-care to protect health and inform earlier, more targeted interventions that help lead to longer, healthier lives. Natera’s tests are supported by more than 400 peer-reviewed publications that demonstrate excellent performance. Natera operates ISO 13485-certified and CAP-accredited laboratories certified under the Clinical Laboratory Improvement Amendments (CLIA) in Austin, Texas, and San Carlos, California, and through Foresight Diagnostics, its subsidiary, operates an ISO 27001-certified and CAP-accredited laboratory certified under CLIA in Boulder, Colorado. For more information, visit www.natera.com.

About CytoDyn

CytoDyn is a clinical-stage oncology company dedicated to advancing leronlimab, a first-in-class humanized monoclonal antibody that targets the CCR5 receptor, a key regulator of immune function implicated in cancer, infectious diseases, and autoimmune disorders. Guided by a mission to improve patients’ quality of life through therapeutic innovation, CytoDyn is committed to integrity, responsibility, and service as it works to bring transformative treatments to patients worldwide. For more information, please visit www.cytodyn.com and follow us on LinkedIn.

Forward-Looking Statements (for Natera)

All statements other than statements of historical facts contained in this press release are forward-looking statements and are not a representation that Natera’s plans, estimates, or expectations will be achieved. These forward-looking statements represent Natera’s expectations as of the date of this press release, and Natera disclaims any obligation to update the forward-looking statements. These forward-looking statements are subject to known and unknown risks and uncertainties that may cause actual results to differ materially, including with respect to our or our partners’ efforts to develop and commercialize new product offerings, whether the results of clinical or other studies will support the use of our product offerings, the impact of results of such studies, our expectations of the reliability, accuracy, and performance of our tests, or of the benefits of our tests and product offerings to patients, providers, and payers. Additional risks and uncertainties are discussed in greater detail in "Risk Factors" in Natera’s recent filings on Forms 10-K and 10-Q, and in other filings Natera makes with the SEC from time to time. These documents are available at www.natera.com/investors and www.sec.gov.

Forward-Looking Statements (for CytoDyn)

This news release may contain forward-looking statements relating to, among other things, the mechanism of action of leronlimab, clinical trial results, product development, market position, future operating and financial performance, and business strategy. The reader is cautioned not to rely on these statements, which are based on current expectations of future events. For important information about these statements and our Company, including the risks, uncertainties and other factors that could cause actual results to vary materially from the assumptions, expectations and projections expressed in any forward-looking statements, the reader should review our Annual Report on Form 10-K for the fiscal year ended May 31, 2025, including the section captioned “Forward-Looking Statements” and in Item 1A, as well as subsequent reports filed with the Securities and Exchange Commission. CytoDyn Inc. does not undertake to update any forward-looking statement as a result of new information or future events or developments except as required by applicable law.

View source version on businesswire.com: https://www.businesswire.com/news/home/20260604027829/en/

Contacts (for Natera)
Investor Relations: Mike Brophy, CFO, Natera, Inc., investor@natera.com
Media: Lesley Bogdanow, VP of Corporate Communications, Natera, Inc., pr@natera.com

Contacts (for CytoDyn)
Corporate Contact: CytoDyn Inc., ir@cytodyn.com
Media: David Schull or Ignacio Guerrero-Ros, Ph.D.; Russo Partners, LLC, CytoDyn@russopartnersllc.com

Source: Natera, Inc.