Status:

UNKNOWN

High Dose vs Low Dose I 131 +/- rhTSH for Differentiated Thyroid Cancer

Lead Sponsor:

University College, London

Conditions:

Head and Neck Cancer

Eligibility:

All Genders

16-80 years

Phase:

PHASE3

Brief Summary

RATIONALE: Radioactive iodine uses radiation to kill tumor cells. Giving iodine I 131 with or without thyroid-stimulating hormone after surgery may kill any tumor cells that remain after surgery. It i...

Detailed Description

OBJECTIVES: Primary * Compare the percentage of successful remnant ablation at 6-8 months after administration of high- vs low-dose iodine I 131 with vs without recombinant thyroid-stimulating hormo...

Eligibility Criteria

Inclusion

  • DISEASE CHARACTERISTICS:
  • Histologically confirmed differentiated thyroid cancer
  • T1-T3, Nx, N0, N1, M0 disease
  • Has undergone one- or two-stage total thyroidectomy with or without lymph node dissection
  • All known tumor resected (R0)
  • Requires radioiodine remnant ablation
  • Does not require mandatory recombinant thyroid-stimulating hormone
  • No Hurthle cell carcinoma or aggressive variants, including any of the following:
  • Tall cell, insular, poorly differentiated disease with diffuse sclerosing
  • Anaplastic or medullary carcinoma
  • PATIENT CHARACTERISTICS:
  • WHO performance status 0-2
  • No severe comorbid conditions including, but not limited to, any of the following:
  • Unstable angina
  • Recent heart attack or stroke
  • Severe labile hypertension
  • Dementia
  • Concurrent dialysis
  • Tracheostomy needing care
  • Learning difficulties
  • Inability to comply with radiation protection issues
  • Requirement for frequent nursing or medical supervision that puts staff at risk for unacceptable radiation exposure
  • No other cancers except basal cell skin cancer or carcinoma in situ of the cervix
  • Not pregnant or nursing
  • Negative pregnancy test
  • Fertile female patients must use effective contraception during and for 6 months after radioiodine remnant ablation
  • Fertile male patients must use effective contraception during and for 4 months after radioiodine remnant ablation
  • PRIOR CONCURRENT THERAPY:
  • See Disease Characteristics
  • More than 3 months since prior contrast CT scan
  • No prior iodine I 131 or iodine I 123 pre-ablation scan
  • No prior treatment for thyroid cancer (except surgery)

Exclusion

    Key Trial Info

    Start Date :

    November 1 2006

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ACTUAL

    End Date :

    July 1 2025

    Estimated Enrollment :

    438 Patients enrolled

    Trial Details

    Trial ID

    NCT00415233

    Start Date

    November 1 2006

    End Date

    July 1 2025

    Last Update

    December 19 2023

    Active Locations (25)

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    Page 1 of 7 (25 locations)

    1

    Sussex Cancer Centre at Royal Sussex County Hospital

    Brighton, England, United Kingdom, BN2 5BE

    2

    Addenbrooke's Hospital

    Cambridge, England, United Kingdom, CB2 2QQ

    3

    Kent and Canterbury Hospital

    Canterbury, England, United Kingdom, CT1 3NG

    4

    Castle Hill Hospital

    Cottingham, England, United Kingdom, HU16 5JQ