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New injection aims to flush out toxic cadmium
NCT ID NCT07057414
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
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 11 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2025
- Expected to finish
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Dec 2025
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 70 years
- Sex
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Anyone
- Healthy volunteers
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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.
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.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Guangdong Provincial Hospital for Occupational Disease Prevention and Treatment
RECRUITINGGuangzhou, Guangdong, 510300, China
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