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New drug cocktail targets tough colorectal cancer

NCT ID NCT06356597

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

33 people

The number who actually took part.

Started

Apr 2024

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

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

18 to 80 years

Sex

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

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

  • Shanghai Ninth People's Hospital

    Shanghai, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.