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2015 American Thyroid Association Management Guidelines for Adult Patients with Thyroid Nodules and Differentiated Thyroid Cancer: The American Thyroid Association Guidelines Task Force on Thyroid Nodules and Differentiated Thyroid Cancer.

ABSTRACT: Thyroid nodules are a common clinical problem, and differentiated thyroid cancer is becoming increasingly prevalent. Since the American Thyroid Association's (ATA's) guidelines for the management of these disorders were revised in 2009, significant scientific advances have occurred in the field. The aim of these guidelines is to inform clinicians, patients, researchers, and health policy makers on published evidence relating to the diagnosis and management of thyroid nodules and differentiated thyroid cancer.The specific clinical questions addressed in these guidelines were based on prior versions of the guidelines, stakeholder input, and input of task force members. Task force panel members were educated on knowledge synthesis methods, including electronic database searching, review and selection of relevant citations, and critical appraisal of selected studies. Published English language articles on adults were eligible for inclusion. The American College of Physicians Guideline Grading System was used for critical appraisal of evidence and grading strength of recommendations for therapeutic interventions. We developed a similarly formatted system to appraise the quality of such studies and resultant recommendations. The guideline panel had complete editorial independence from the ATA. Competing interests of guideline task force members were regularly updated, managed, and communicated to the ATA and task force members.The revised guidelines for the management of thyroid nodules include recommendations regarding initial evaluation, clinical and ultrasound criteria for fine-needle aspiration biopsy, interpretation of fine-needle aspiration biopsy results, use of molecular markers, and management of benign thyroid nodules. Recommendations regarding the initial management of thyroid cancer include those relating to screening for thyroid cancer, staging and risk assessment, surgical management, radioiodine remnant ablation and therapy, and thyrotropin suppression therapy using levothyroxine. Recommendations related to long-term management of differentiated thyroid cancer include those related to surveillance for recurrent disease using imaging and serum thyroglobulin, thyroid hormone therapy, management of recurrent and metastatic disease, consideration for clinical trials and targeted therapy, as well as directions for future research.We have developed evidence-based recommendations to inform clinical decision-making in the management of thyroid nodules and differentiated thyroid cancer. They represent, in our opinion, contemporary optimal care for patients with these disorders.

SUBMITTER: Haugen BR

PROVIDER: S-EPMC4739132 | biostudies-literature | 2016 Jan

REPOSITORIES: biostudies-literature

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2015 American Thyroid Association Management Guidelines for Adult Patients with Thyroid Nodules and Differentiated Thyroid Cancer: The American Thyroid Association Guidelines Task Force on Thyroid Nodules and Differentiated Thyroid Cancer.

Haugen Bryan R BR Alexander Erik K EK Bible Keith C KC Doherty Gerard M GM Mandel Susan J SJ Nikiforov Yuri E YE Pacini Furio F Randolph Gregory W GW Sawka Anna M AM Schlumberger Martin M Schuff Kathryn G KG Sherman Steven I SI Sosa Julie Ann JA Steward David L DL Tuttle R Michael RM Wartofsky Leonard L

Thyroid : official journal of the American Thyroid Association 20160101 1

<h4>Background</h4>Thyroid nodules are a common clinical problem, and differentiated thyroid cancer is becoming increasingly prevalent. Since the American Thyroid Association's (ATA's) guidelines for the management of these disorders were revised in 2009, significant scientific advances have occurred in the field. The aim of these guidelines is to inform clinicians, patients, researchers, and health policy makers on published evidence relating to the diagnosis and management of thyroid nodules a ...[more]

PMID: 26462967

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Project description:BackgroundA number of recent advances in our understanding of thyroid physiology may shed light on why some patients feel unwell while taking levothyroxine monotherapy. The purpose of this task force was to review the goals of levothyroxine therapy, the optimal prescription of conventional levothyroxine therapy, the sources of dissatisfaction with levothyroxine therapy, the evidence on treatment alternatives, and the relevant knowledge gaps. We wished to determine whether there are sufficient new data generated by well-designed studies to provide reason to pursue such therapies and change the current standard of care. This document is intended to inform clinical decision-making on thyroid hormone replacement therapy; it is not a replacement for individualized clinical judgment.MethodsTask force members identified 24 questions relevant to the treatment of hypothyroidism. The clinical literature relating to each question was then reviewed. Clinical reviews were supplemented, when relevant, with related mechanistic and bench research literature reviews, performed by our team of translational scientists. Ethics reviews were provided, when relevant, by a bioethicist. The responses to questions were formatted, when possible, in the form of a formal clinical recommendation statement. When responses were not suitable for a formal clinical recommendation, a summary response statement without a formal clinical recommendation was developed. For clinical recommendations, the supporting evidence was appraised, and the strength of each clinical recommendation was assessed, using the American College of Physicians system. The final document was organized so that each topic is introduced with a question, followed by a formal clinical recommendation. Stakeholder input was received at a national meeting, with some subsequent refinement of the clinical questions addressed in the document. Consensus was achieved for all recommendations by the task force.ResultsWe reviewed the following therapeutic categories: (i) levothyroxine therapy, (ii) non-levothyroxine-based thyroid hormone therapies, and (iii) use of thyroid hormone analogs. The second category included thyroid extracts, synthetic combination therapy, triiodothyronine therapy, and compounded thyroid hormones.ConclusionsWe concluded that levothyroxine should remain the standard of care for treating hypothyroidism. We found no consistently strong evidence for the superiority of alternative preparations (e.g., levothyroxine-liothyronine combination therapy, or thyroid extract therapy, or others) over monotherapy with levothyroxine, in improving health outcomes. Some examples of future research needs include the development of superior biomarkers of euthyroidism to supplement thyrotropin measurements, mechanistic research on serum triiodothyronine levels (including effects of age and disease status, relationship with tissue concentrations, as well as potential therapeutic targeting), and long-term outcome clinical trials testing combination therapy or thyroid extracts (including subgroup effects). Additional research is also needed to develop thyroid hormone analogs with a favorable benefit to risk profile.

Project description:The concept of response to therapy in differentiated thyroid cancer (DTC) was introduced as a dynamic risk stratification used to assess the status of the disease at the time of the evaluation during the follow-up and the risk of recurrence in the future. Our aim in this study was to evaluate the natural course over time of different response to therapy statuses.MethodsWe studied 501 nonselected DTC patients (102 males and 399 females) with a median age of 37 years (interquartile range [IQR] 29-48). All patients underwent near-total or total thyroidectomy followed by I-131 ablation (initial management).ResultsOf the 501 patients, 387 patients (77.2%) did not have any additional therapuetic interventions after the initial management. In this group, the response to therapy status at the time of the first evaluation after I-131 (median 17 months, IQR 14-22) was an excellent response in 258 (66.7%), an indeterminate response in 101 (26.1%), biochemically incomplete in 17 (4.4%), and structurally incomplete in 11 patients (2.8%). The status changed spontaneously without any intervention in many of them. At the last follow-up visit (median duration 101 months, IQR 71-126), 357 patients (92.2%) achieved an excellent response, 4 (1%) an indeterminate response, 8 (2.1%) a biochemically incomplete status, 16 (4.1%) a structurally incomplete status, and 2 (0.5%) died secondary to DTC with a structurally incomplete status. The response to therapy in the other 114 patients who underwent additional interventions changed from before intervention to the last evaluation as follows: excellent response, 0 to 60 patients (52.6%), indeterminate response, 20 (17.5%) to 1 patient (0.9%), biochemically incomplete 25 (21.9%) to 10 patients (9%), and structurally incomplete 69 (60.5%) to 43 patients (37.7%). Overall, at the last evaluation, 417 (83.2%) were in an excellent response, 5 (1%) in an indeterminate response, 18 (3.6%) in a biochemically incomplete status, 50 (10.2%) in a structurally incomplete status, and 11 (2.2%) died secondary to DTC with a structurally incomplete status.ConclusionsThe response to therapy at the initial evaluation is predictive of the long-term outcome. Most patients with the indeterminate response and some in the biochemically incomplete statuses spontaneously regress to an excellent status. Mortality and progression of DTC occur mostly in the structurally incomplete status.

Dataset Information

2015 American Thyroid Association Management Guidelines for Adult Patients with Thyroid Nodules and Differentiated Thyroid Cancer: The American Thyroid Association Guidelines Task Force on Thyroid Nodules and Differentiated Thyroid Cancer.

Publications

2015 American Thyroid Association Management Guidelines for Adult Patients with Thyroid Nodules and Differentiated Thyroid Cancer: The American Thyroid Association Guidelines Task Force on Thyroid Nodules and Differentiated Thyroid Cancer.

Similar Datasets

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