Plain-English translation of NCT06405217 on ClinicalTrials.gov ↗ · Source last updated · Translation generated · How we translate trials
This study doesn't follow the usual testing phases — it may be an observational study or a different type of research.
This trial is testing — a man-made version of a natural hormone in your body — to help prepare you for radioactive iodine treatment. The study compares using this medication through two injections over two days versus the traditional approach of stopping your thyroid medication for 4 to 6 weeks. Both groups will then receive radioactive iodine to treat thyroid cancer that has come back or spread after surgery.
Currently, patients preparing for radioactive iodine treatment must stop taking thyroid medication for weeks, which can cause uncomfortable side effects and delay treatment. This trial is testing whether the medication could provide a faster, easier way to prepare your body for this important cancer therapy.
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You will be randomly assigned to one of two groups. If assigned to the injection group, you'll receive two shots of the study medication on consecutive days, then begin radioactive iodine treatment once your hormone levels are elevated enough. If assigned to the hormone-withdrawal group, you'll stop taking your thyroid medication for 4 to 6 weeks, then receive the same radioactive iodine treatment. Throughout the trial, your doctor will monitor how well the treatment works and watch for any side effects through blood tests and imaging.
AI-generated summary from trial data · Jun 13, 2026 · Not medical advice
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