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Could a simple supplement boost rectal cancer treatment?

NCT ID NCT07239466

Disease control Sponsor: Tao Zhang Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 is testing whether adding a dietary supplement called β-hydroxybutyrate to a standard treatment plan (short-course radiotherapy, immunotherapy, and chemotherapy) can improve outcomes for people with locally advanced rectal cancer. The study will enroll 25 adults aged 18-75 who have not had prior treatment for their rectal cancer. The main goal is to see if this combination leads to a complete response, meaning no cancer is detectable after treatment.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
β-hydroxybutyrate (a dietary supplement) combined with short-course radiotherapy, immunotherapy, and chemotherapy (capecitabine and oxaliplatin)
What this could lead to
If successful, this could point toward a more effective neoadjuvant treatment for locally advanced rectal cancer, potentially increasing the chance of complete tumor disappearance before surgery.
What could go wrong
This is a small, early-phase trial with only 25 participants, so results may not apply broadly. The combination of treatments may cause side effects, and the supplement's benefit is unproven.

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

About 25 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jan 2026

Expected to finish

Jun 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 75 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.

Inclusion Criteria: 1. Patients or their family members agree to participate in the study and sign the informed consent form; 2. Age 18-75 years, male or female; 3. Histologically confirmed Locally Advanced rectal adenocarcinoma; 4. inferior margin ≤ 10 cm from the anal verge; 5. ECOG performance status score is 0-1; 6. Untreated with anti-tumor therapy for rectal cancer, including radiotherapy, chemotherapy, surgery, etc; 7. There was no operative contraindication; 8. Laboratory tests were required to meet the following requirements: white blood cell (WBC) ≥ 4×109/L; Absolute neutrophil count (ANC) ≥ 1.5×109/L; Platelet count ≥ 100×109/L; Hemoglobin ≥90 g/L; Serum total bilirubin ≤ 1.5 × upper limit of normal (ULN); Serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 2.5 × ULN; Serum creatinine ≤1.5 times the upper limit of normal value or creatinine clearance rate ≥50 mL/min; International normalized ratio (INR) ≤ 1.5 × ULN; Activated partial thromboplastin time (APTT) ≤ 1.5 × ULN; 9. Urinary protein \< 2+ or 24-hour urinary protein excretion \< 1 g at baseline. Exclusion Criteria: 1. Patients with non-pMMR LARC； 2. Subjects who have previously received any form of immunotherapy, including but not limited to immune checkpoint inhibitors, immune checkpoint agonists, immune cell therapy, or any other treatment targeting tumor immunomodulatory mechanisms; 3. Presence of any concurrent disease, condition (including laboratory abnormality), history of substance abuse, or current evidence thereof, which, in the judgment of the Investigator, may compromise subject safety, interfere with the process of obtaining informed consent, affect subject compliance, or confound the safety assessment of the investigational product(s).

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Conditions

The condition(s) this trial relates to.

rectal cancer rectal neoplasm rectum adenocarcinoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Chemotherapy Immunotherapy Radiotherapy Rectal cancer

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Union Hospital, Tongji Medical College, Huazhong University of Science and Technology

    RECRUITING

    Wuhan, Hubei, 430022, China

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