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New injection aims to flush out toxic cadmium

NCT ID NCT07057414

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This early-stage trial tests an injectable drug called GMDTC in 11 adults with high cadmium levels. The goal is to see if it safely helps the body get rid of cadmium through urine. Participants will receive either the drug or a placebo, and researchers will measure changes in cadmium levels and monitor for side effects.

What this could mean

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

Active substance
GMDTC for injection
What this could lead to
If it works, this could point toward a treatment to help people with high cadmium levels excrete the metal and reduce long-term health risks.
What could go wrong
This is a very small, early Phase IIa trial with only 11 people. It is designed mainly to check safety and how the drug works in the body, not yet to prove it is an effective treatment.

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 11 people

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

Started

Jul 2025

Expected to finish

Dec 2025

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 70 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: Study participants must meet all of the following criteria to be enrolled in this trial: 1. Voluntarily sign the informed consent form, aged between 18 and 70 years (inclusive), regardless of gender; 2. Single morning urine cadmium \>5 μg/g creatinine (with creatinine concentration ≥0.3 g/L and ≤3 g/L); 3. eGFR ≥30 mL/min/1.73 m² (calculated using the CKD-EPI formula). Exclusion Criteria: Participants who meet any of the following criteria will be excluded from this study: 1. Currently suffering from any clinically significant disease that, in the investigator's judgment, poses a safety risk for participation in this clinical trial; 2. Patients with a history of kidney disease requiring hemodialysis; 3. Patients with a history of severe infusion-related allergic reactions, known allergies to three or more substances, or known hypersensitivity to any component of this product (e.g., disodium edetate, mannitol); 4. Previous diagnosis of diabetes with poorly controlled blood glucose; 5. History of conditions predisposing to hypokalemia (e.g., periodic hypokalemia, primary aldosteronism); 6. High-risk uncontrolled arrhythmia within the past 6 months, including: 1\) Resting atrial tachycardia with heart rate \>100 bpm, 2) Significant ventricular arrhythmia (e.g., ventricular tachycardia), 3) High-grade atrioventricular block (e.g., Mobitz type II second-degree or third-degree AV block), 4) NYHA Class IV heart failure, 5) Left ventricular ejection fraction (LVEF) \<50%; 7.Prolonged QT/QTc interval at screening/baseline (QTc: \>450 ms in males, \>470 ms in females) or known family history of long QT syndrome; 8. Use of any medication or supplement (e.g., SGLT2 inhibitors like dapagliflozin, canagliflozin, empagliflozin, etc.; GLUT2 inhibitors like cytochalasin B, phloretin, etc.) within 14 days prior to screening that may interact with the investigational drug; 9. Participation in any other clinical trial involving investigational drugs or medical devices within 3 months prior to screening; 10. Major surgery within 4 weeks before screening or planned surgery during the trial that may affect drug metabolism or safety assessment; 11. Blood donation or significant blood loss (≥200 mL, excluding menstrual bleeding), transfusion, or use of blood products within 1 month prior to screening; 12. Intolerance to venipuncture and/or history of syncope due to blood or needle exposure; 13. Pregnant or lactating women, or participants unwilling to use effective non-pharmacological contraception during the trial; 14. Inability to use contraception for 6 months after trial completion; 15.Inability to comply with dietary restrictions or nutritional guidelines; 16.Alcohol abuse or regular alcohol consumption (\>14 units/week; 1 unit ≈ 200 mL beer \[5%\], 25 mL spirits \[40%\], or 85 mL wine \[12%\]) within 6 months before screening, or unwillingness to abstain from alcohol during the trial; 17. Participants with unstable psychiatric disorders, in the investigator's opinion, who cannot cooperate with the study; 18. Any other condition deemed by the investigator to compromise study compliance or safety.

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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.

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

  • Guangdong Provincial Hospital for Occupational Disease Prevention and Treatment

    RECRUITING

    Guangzhou, Guangdong, 510300, China

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