Virus therapy joins Chemo-Radiation in fight against rectal cancer
NCT ID NCT06459869
First seen Jun 27, 2026 · Last updated Sep 17, 2026 · Updated 2 times
Summary
This early-phase trial tests a new treatment called NG-350A, a virus designed to stimulate the immune system inside tumors, combined with standard chemoradiotherapy for people with locally advanced rectal cancer. The study aims to see if this combination can improve the chance of the tumor disappearing completely before surgery. About 30 adults with a specific type of rectal cancer will take part.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- NG-350A (a virus that delivers an immune-stimulating protein to tumors), capecitabine (chemotherapy), and radiotherapy
- What this could lead to
- If it works, this could point toward a more effective treatment for locally advanced rectal cancer, potentially increasing the chance of a complete response before surgery.
- What could go wrong
- This is an early phase 1 trial with only 30 participants, so results may not apply broadly. The combination may cause significant side effects, and the virus-based therapy might not work as expected.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 30 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2025
- Expected to finish
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Dec 2028
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Selected Inclusion Criteria: * Histologically confirmed adenocarcinoma of the rectum. * Locally advanced disease (clinical stage II-III based on pelvic MRI) selected by a multidisciplinary team for treatment with neoadjuvant CRT (which may be followed by CNCT to comprise planned TNT). Patients with oligometastatic disease are permitted provided that the site-specific multidisciplinary team deems them suitable for radical treatment/chemoradiation. * Confirmed microsatellite stable (MSS)/proficient mismatch repair (pMMR) status. * Provide written informed consent to participate. * ECOG Performance Status 0 or 1. * Must not be pregnant or breastfeeding. * Patients who are sexually active (with either sex) must agree to comply with contraceptive requirements. * Adequate lung reserve, renal function, hepatic function, and bone marrow/hematological function assessed ≤ 10 days prior to first dose. Selected Exclusion Criteria: * Recurrent rectal cancer. * Distant metastatic disease not amenable to radical treatment/chemoradiation. * Other prior malignancy active within the previous 3 years, except for local or organ confined early-stage cancer that has been definitively treated with curative intent, does not require ongoing treatment, has no evidence of residual disease, and has a negligible risk of recurrence and is therefore unlikely to interfere with the primary and secondary endpoints of the trial, including response rate and safety. * Splenectomy (patients with prior partial resection remain eligible if the Investigator considers splenic function to not be significantly compromised). * Active autoimmune disease that has required systemic therapy in the past 2 years, immunocompromised status in the opinion of the Investigator, or current treatment with systemic immunosuppressive therapy (daily prednisone equivalent for chronic system replacement not to exceed 10mg per day). * Infectious or inflammatory bowel disease in the 3 months before the first dose of study treatment. * Any clinically significant cardiovascular, peripheral vascular, cerebrovascular, or thromboembolic event in the last 1 month before the first dose of study treatment. * Major surgery in the 14 days before the first dose of study treatment or any surgical wounds that are not fully healed and free of infection or dehiscence. * Any prior surgery for rectal cancer or pelvic radiotherapy. * Any other anti-cancer or experimental therapy within the previous 12 months or that is planned during the active study treatment period. * Treatment with any other enadenotucirev-based virus (parent virus or transgene-modified variants), or anti-CD40 antibody at any time. * History of prior Grade 3-4 acute kidney injury or other clinically significant renal impairment. * Any ongoing Common Terminology Criteria for Adverse Events (CTCAE) Grade ≥2 coagulation abnormality/coagulopathy. URL: https://www.FortressStudy.org
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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AdventHealth Orlando
Orlando, Florida, 32804, United States
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Ohio State University Comprehensive Cancer Center
Columbus, Ohio, 43210, United States
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The Royal Marsden NHS Foundation Trust
Sutton, United Kingdom
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The University of Texas MD Anderson Cancer Center
Houston, Texas, 77030, United States
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University College London NHS FT
London, United Kingdom
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University of Southern California
Los Angeles, California, 90033, United States
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Washington University School of Medicine
St Louis, Missouri, 63110, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can immunotherapy plus chemo melt colorectal tumors before surgery?
- Can drug cocktail spare rectal cancer patients from surgery?
- Can a diet that starves cancer cells boost rectal cancer treatment?
- Can two immunotherapy drugs help rectal cancer patients skip pelvic radiation?
- MRI and microbes: a new way to predict rectal cancer outcomes?
- Can a new drug shield rectal cancer patients from Radiation's worst side effects?