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Tiny plastics, big danger? new study probes link to stomach cancer

NCT ID NCT07542652

Knowledge-focused Sponsor: Yongquan Shi 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study is investigating whether exposure to microplastics is linked to the development of stomach cancer and its early stages. Researchers will ask 450 people with different stomach conditions to fill out a detailed questionnaire about their possible exposure to microplastics. The goal is to see if higher exposure levels are more common in people with more advanced disease.

What this could mean

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

What this could lead to
If this study finds a link, it could point to microplastics as a new risk factor for stomach cancer, guiding future prevention efforts.
What could go wrong
This is an observational study, so it cannot prove cause and effect. The results rely on questionnaires, which may not accurately measure past exposure.

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.

Participants

About 450 people

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

Started

Mar 2026

Expected to finish

Dec 2026

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.

Who is studied

Patients were enrolled from a single center, Xijing Hospital.

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: * Aged between 18 and 75 years old, gender is not restricted * Having a clear diagnosis result within the recent three months and being diagnosed with chronic non - atrophic gastritis, precancerous lesions of gastric cancer, or gastric cancer for the first time * Have clear Helicobacter pylori (Hp) test results * Be in normal mental state and able to independently complete the questionnaire survey Exclusion Criteria: * Patients with a history of malignant tumors in other parts * Patients who have previously undergone upper gastrointestinal surgery, chemotherapy, or radiotherapy * Patients with severe diseases of major organs such as the heart, lungs liver, and kidneys * Patients who are currently receiving psychological intervention or taking psychiatric drugs * Pregnant or lactating women * Patients with severe missing clinical data or questionnaire information * Refusing to sign the informed consent form

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Conditions

The condition(s) this trial relates to.

chronic gastritis gastric cancer gastric carcinoma gastric intestinal metaplasia gastric neoplasm precancerous condition

As listed by the trial registrant

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

Gastric carcinoma Gastric precancerous lesions Gastritis chronic Intestinal metaplasia

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

  • Xijing Hosipital of Digestive Disease

    RECRUITING

    Xi'an, Shaanxi, 710032, China

More trials for these conditions

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