Phase 1 Thyroid Cancer Trial, Recruiting NCT04892303 Sponsor: Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Condition: Thyroid Cancer
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Phase 1 Thyroid Cancer Trial, Recruiting

NCT04892303
Recruiting Phase 1

Who may be able to join

AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

Who might be able to join this trial:

  • People aged 18 to 85 years old.
  • People who have been diagnosed with a specific type of thyroid cancer (called papillary or follicular thyroid carcinoma, together known as differentiated thyroid carcinoma), confirmed through a tissue sample, that has not fully responded to initial surgery with or without radioiodine (iodine-131) treatment, as shown on imaging scans (CT, MRI, or ultrasound).
  • People whose thyroid cancer cannot be fully removed by surgery because it has grown into the soft tissues of the neck, or because there are distant cancer deposits that cannot be surgically removed.
  • People whose cancer still absorbs iodine, but at a level too low to be effectively treated by radioiodine therapy alone, as shown on a prior diagnostic or treatment scan.
  • People with adequate kidney function (confirmed by specific blood or scan-based tests) and adequate blood cell counts (platelets and a type of white blood cell called neutrophils must be above certain levels).
  • People with a life expectancy of at least 8 weeks.
  • People who are well enough to carry out more than half of normal daily activities, as measured by a standard medical scoring tool called the Karnofsky Performance Scale (confirm with trial site).
  • People who have sufficiently recovered from any previous chemotherapy side effects, with most side effects having settled to a mild or better level (as assessed by the treating doctor and study team).
  • People who have a known history of heart disease may still be considered eligible, as the treatment used in this trial is not expected to affect heart function.

Who may not be able to join:

  • People who are pregnant or breastfeeding.
  • People who are sexually active, have not yet gone through menopause, and do not agree to use an accepted and effective form of contraception during the trial.
  • People who have any medical reason that would make radioiodine therapy or external beam radiation therapy (targeted radiation treatment) unsafe for them.
  • People whose cancer is considered lower-risk according to certain medical guidelines, and who do not meet the criteria for either radioiodine therapy or external beam radiation treatment under those guidelines.
  • People who have advanced cancer that has spread to the brain or spinal cord, or who have critical tumours affecting the hip or spine, where receiving radioiodine treatment before radiation therapy could be harmful — particularly due to the hormone stimulation required as part of the treatment process.
  • People who have received iodine-containing contrast dye (used in certain imaging scans) within the past 6 weeks, as this may reduce the effectiveness of radioiodine treatment.

Important: Always verify eligibility with the trial site directly before applying.

Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.
Last synced 26 July 2026
Phase 1: approximately ~10% of drugs entering this phase reach regulatory approval, based on published industry-wide historical data. This is not specific to this trial.
Phase success rates shown are historical industry-wide averages based on published data. They are not a prediction for this specific trial or your individual situation.

Contact this trial

Principal Investigator: Harry Quon, MD, Johns Hopkins, School of Medicine, Radiation Oncology

Phone: 410-614-3950

Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.

GP referral letter

Print a one-page summary to share with your doctor.

Trial details

Status
Recruiting
Phase
Phase 1
Registry
ClinicalTrials.gov
Start date
17 March 2021
Est. completion
1 December 2027

Where this trial is recruiting

🇺🇸 United States

Primary endpoints

Safety of combined therapy of XRT plus RAI measured by NCI-CTCAE toxicity; Safety of combined therapy of XRT plus RAI measured by NCI-CTCAE toxicity

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

Data last synced from ClinicalTrials.gov: 26 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov