Recombinant Human Thyroid-Stimulating Hormone To Stimulate 131-1 Uptake For Remnant Ablation And Adjuvant Therapy |
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| Institution: | 1. Endocrinology Service, Memorial Sloan-Kettering Cancer Center, New York, New York;1. Department of Orthopedic Surgery, Hadassah-Hebrew University Medical Center, Jerusalem, Israel;2. Maccabi Healthcare Services, Israel;3. Center for Clinical Quality and Safety, Jerusalem, Israel;4. Endocrinology and Metabolism Service, Hadassah-Hebrew University Medical Center, Jerusalem, Israel;1. Endocrinology and Metabolism Institute, Cleveland Clinic Foundation, Cleveland, Ohio;2. Education Institute, Cleveland Clinic Lerner College of Medicine, Cleveland, Ohio;3. Yale Pediatric Endocrinology Department, Yale University School of Medicine, New Haven, Connecticut;4. Yale Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, New Haven, Connecticut;5. Pathology and Laboratory Medicine Institute, Cleveland Clinic Foundation, Cleveland, Ohio;1. University of Maryland School of Medicine, Baltimore, Maryland;2. Baltimore Washington Medical Center Baltimore, Maryland;3. University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania;4. Boston University Medical Center, Boston, Massachusetts;1. Sapienza University of Rome Experimental Medicine Department Medical Physiopathology, Food Science and Endocrinology Section Food Science and Human Nutrition Research Unit;1. Hattiesburg Clinic, Hattiesburg, Mississippis;2. Strelitz Diabetes Center for Endocrine and Metabolic Disorders, Eastern Virginia Medical School, Norfolk, Virginia |
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| Abstract: | ObjectiveTo review the current literature with regard to the use of recombinant human thyroid stimulating hormone (rhTSH) as an adjunct to radioactive iodine (RAI) remnant ablation and adjuvant therapy.MethodsLiterature review of clinical studies examining rhTSH and/or thyroid hormone withdrawal preparations for RAI remnant ablation. The primary endpoints evaluated were (1) effectiveness at ablating the thyroid bed as demonstrated by the lack of significant uptake in the thyroid bed on follow-up diagnostic imaging and (2) effectiveness in facilitating the adjuvant therapy function of RAI ablation as manifested by follow-up thyroid stimulating hormone (TSH)-stimulated serum thyroglobulin levels and clinical outcomes (recurrence rates, likelihood of having no evidence of disease at final follow-up).ResultsRAI remnant ablation can be successfully achieved using either traditional thyroid hormone withdrawal or recombinant human TSH preparation. While initial studies included primarily thyroid cancer patients at low risk of recurrence, more recent studies suggest that rhTSH can also be effectively used as preparation for RAI ablation in patients with an intermediate or high risk of recurrence. Furthermore, while early studies focused primarily on the endpoint of thyroid bed remnant ablation, more recent retrospective studies suggest that final clinical outcomes (recurrence rates, likelihood of achieving no evidence of disease status at final follow-up) over 5-10 years of follow-up are very similar with either method of preparation.ConclusionrhTSH is an effective alternative to thyroid hormone withdrawal in preparation for RAI remnant ablation in patients without evidence of distant metastases who are at low, intermediate, or high risk of recurrence. |
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