Iodine I-131 clinical trials
How each study uses iodine I-131 is sorted by a rule, right about nine times in ten. Readers can ask us to read every study one by one.Ask us to read each study
Get an email when these change. Save the iodine I-131 studies recruiting or about to start — once a week, free: studies that open, close, add sites or post results.
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Example · made-up studies
Breast cancer · Recruiting: 2 came in, 3 changed
What changed in your saved searches, Oct 31 – Nov 6:
A study of drug A after surgery for early breast cancer
Came in · now Recruiting
Drug B with hormone therapy in advanced breast cancer
Changed
· Sites: 4 added, including Seoul and Busan
· Enrollment: 300 → 450 participants
Exercise during chemotherapy
Now Active, not recruiting
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Approvals
The first approval found in each region, with its record
- United States
- Not in FDA's approval records
- European Union
- Not in EMA's list of EU-wide authorisations
From FDA's Drugs@FDA and Purple Book (through openFDA) and the European Medicines Agency, files of Sept 2026 and 27 Oct 2026. National approvals in Europe and other countries are not included. How this is worked out
Studies by the year they started
4 studies that test it; most in 1998 (1)
| Year | Studies |
|---|---|
| 1998 | 1 |
| 2003 | 1 |
| 2013 | 1 |
| 2023 | 1 |
By phase
A phase 1/2 study counts in both.
What it is tested for
Each study’s main condition, where its own words name it, so a study counts once.
Who runs them
Industry 0 · Other 4
Ludwig Institute for Cancer Research (1) · Barwon Health (1) · Massachusetts General Hospital (1) · National Cancer Center, Korea (1)
Often tested with
Tested in the same studies.
Iodine-131 (1) · Selpercatinib (1)
Related medicines
As reviewed, each with the page that says it.
- One of Radiopharmaceuticals source
Studies
Open first, then newest update. How each study uses iodine I-131 is read from its arms, and is right about nine times in ten. Ask us to read each study. These are the studies that list it as an intervention; a search of ClinicalTrials.gov also finds studies that mention it only in a description, such as earlier treatment.
Testing it · 4
- Restor. I-131 Upt. + Selpercatinib in RET F-P RAI-R TCRecruitingPhase 2Massachusetts General HospitalNCT05668962Written as Sodium Iodine I-131
- Monoclonal Antibody Therapy in Treating Patients With Advanced Kidney CancerCompletedPhase 1/2Ludwig Institute for Cancer ResearchNCT00003102Written as Iodine-131 radiolabeled chimeric monoclonal antibody G250 (131I-cG250)
- Minimize Radioactive Iodine Ablation Of Remnant Thyroid in Differentiated Thyroid CancerStatus unknownPhase 2/3National Cancer Center, KoreaNCT02418247Written as I131
- Thyroid-Associated Ophthalmopathy Subtypes and Orbital AntibodiesCompletedNot applicableBarwon HealthNCT00430547Written as Carbimazole, radio-active iodine (I131)
As the comparator · 1 — what is tested is compared with iodine I-131
Codes
What other systems call iodine I-131 · ClinicalTrials.gg INT016824
- UNII (FDA) I5X6L61HUTIODINE I-131One source FDA
- RxNorm 1546394One source FDA
- NCI Thesaurus C1639Iodine I-131One source FDA
| System | Code | Name there | Checked by |
|---|---|---|---|
| UNII (FDA) | I5X6L61HUT | IODINE I-131 | One source FDA |
| RxNorm | 1546394 | — | One source FDA |
| NCI Thesaurus | C1639 | Iodine I-131 | One source FDA |
“Confirmed” means two independent publishers link the code to this drug; “one source”, one does and its name agrees.