New drug cocktail targets tough colorectal cancer
NCT ID NCT06356597
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This Phase 2 trial tests a combination of three drugs—Tislelizumab, Fruquintinib, and Metronidazole—in 33 adults with advanced colorectal cancer that has not responded to earlier treatments. The goal is to see if this mix can slow cancer growth and improve survival. Participants must have a specific type of cancer (MSS or MSI-L) and high levels of a certain bacteria in their stool.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Tislelizumab (a drug that helps the immune system fight cancer) combined with Fruquintinib (a drug that blocks blood vessel growth to tumors) and Metronidazole (an antibiotic)
- What this could lead to
- If this works, it could offer a new treatment option for people with advanced colorectal cancer that hasn't responded to standard therapies.
- What could go wrong
- This is a small, early Phase 2 trial with only 33 participants, so results may not apply to everyone. The combination may cause side effects or fail to improve survival.
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
-
Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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33 people
The number who actually took part.
- Started
-
Apr 2024
- Expected to finish
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Dec 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
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 to 80 years
- Sex
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Anyone
- Healthy volunteers
-
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.
1. No gender limit, age ≥ 18 years old and ≤ 80 years old 2. Colorectal cancer (AJCC stage IV) diagnosed by histological or cytological biopsy as metastatic or unresectable, with immunohistochemical or genetic testing indicating MSS or MSH-L type 3. Treatment requires third line or above, has previously received standard first and second line treatment, and the disease has progressed after treatment 4. Before accepting tirelizumab, qPCR should be used to detect the Fn CT value \< 35 in fecal samples, and Fn is confirmed positive by agarose gel electrophoresis or Sanger sequencing 5. ECOG score: 0-1 points 6. Baseline blood routine and biochemical indicators meet the following criteria (no blood transfusion or use of colony stimulating factors 2 weeks prior to screening) Blood routine: hemoglobin ≥ 90g/L, absolute neutrophil count (ANC) ≥ 1.5 × 109/L, platelet ≥ 100 × 109/L Liver function: ALT and AST ≤ 2.5 x ULN, serum total bilirubin ≤ 1.5 x ULN (if there is liver metastasis, ALT and AST ≤ 5 x ULN, serum total bilirubin ≤ 3 x ULN), serum albumin ≥ 30g/L Renal function: serum creatinine ≤ 1.5 x upper limit of normal (ULN), or creatinine clearance rate ≥ 50 mL/min (calculated according to Cockcroft Gault formula). 7. Those who voluntarily participate in the trial and sign an informed consent form.
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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
-
Shanghai First People's Hospital
Shanghai, China
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Shanghai Ninth People's Hospital
Shanghai, China
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Other studies related to the condition(s) this trial covers.
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