Experiences of low iodine diets in the treatment of differentiated thyroid cancer with radioactive iodine ablation therapy

Georgia Herbert*, Aidan Searle, Clare Yvonne England, Andy Ness, Matthew Beasley, Ingrid Haupt-Schott, Laura Moss, Judith Westcott, Charlotte Atkinson

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)

Abstract

Background and aims
International guidelines on the treatment of differentiated thyroid cancers (DTC) promote the use of low iodine diets (LID) prior to radioactive iodine remnant ablation (RIA), as high iodine status may interfere with radioiodine uptake. Most UK treatment centres adhere to these guidelines and advise people to consume a LID. There is limited research as to how people cope with the LID or its impact on daily life and wellbeing, and no studies have been conducted in the UK. This study explored peoples’ views and experiences in relation to consuming a LID during treatment for DTC with RIA.

Methods
Twenty-eight semi-structured interviews were conducted with people from across three treatment centres where differing advice had been delivered regarding a LID. Interviews were recorded, transcribed verbatim and key themes were developed through inductive thematic analyses.

Results
Individuals advised to consume a LID believed that adhering to the diet would help their treatment. Most restricted their diets beyond what was recommended and there was confusion surrounding what they could eat as part of the diet. Food selection and preparation were important which included substitution of foods and ingredient checking. Being on the diet was considered to have both a physical and psychological impact.

Conclusions
The findings of this study provide a qualitative insight into the lived experiences of people with DTC in relation to consuming a LID. The results have relevance for professionals providing dietary guidance at oncology centres treating patients with RIA therapy in the UK.
Original languageEnglish
Number of pages8
JournalClinical Nutrition ESPEN
Early online date21 Jul 2020
DOIs
Publication statusE-pub ahead of print - 21 Jul 2020

Structured keywords

  • SPS Exercise, Nutrition and Health Sciences

Keywords

  • low iodine diets
  • differentiated thyroid cancers
  • radioactive iodine remnant ablation
  • interviews

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