Permanent hypothyroidism following immune checkpoint inhibitors induced thyroiditis may be associated with improved survival: results of an exploratory study

BackgroundImmune-related endocrinopathies are common after immune checkpoint inhibitor (ICI) therapy, among which destructive thyroiditis is the most prevalent. Improved survival outcomes have been associated with immune-related adverse events. We aimed to compare the clinical course and biochemical...

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Main Authors: Hanna J. Lee, Anjali Manavalan, Mihaela Stefan-Lifshitz, Clyde Schechter, Aloke Maity, Yaron Tomer
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-04-01
Series:Frontiers in Endocrinology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fendo.2023.1169173/full
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author Hanna J. Lee
Anjali Manavalan
Mihaela Stefan-Lifshitz
Clyde Schechter
Aloke Maity
Yaron Tomer
Yaron Tomer
Yaron Tomer
author_facet Hanna J. Lee
Anjali Manavalan
Mihaela Stefan-Lifshitz
Clyde Schechter
Aloke Maity
Yaron Tomer
Yaron Tomer
Yaron Tomer
author_sort Hanna J. Lee
collection DOAJ
description BackgroundImmune-related endocrinopathies are common after immune checkpoint inhibitor (ICI) therapy, among which destructive thyroiditis is the most prevalent. Improved survival outcomes have been associated with immune-related adverse events. We aimed to compare the clinical course and biochemical parameters of two subtypes of ICI-related destructive thyroiditis: a transient thyrotoxicosis that reverts to either euthyroidism (TT; transient thyroiditis) versus progression to permanent hypothyroidism (PH), and to identify prognostic markers in cancer patients receiving ICI therapy who developed DT.MethodsThis retrospective observational study included 124 patients who developed a transient thyrotoxicosis due to a destructive thyroiditis after ICI therapy from January 1, 2016 to April 30, 2021 at the Montefiore Medical Center. Patients were categorized as either TT or PH based on spontaneous renormalization of the TSH or the permanent need for thyroid hormone replacement, respectively. Thyroid hormone and antibody levels, serum inflammatory markers, eosinophils, and metabolic uptake of the thyroid on PET imaging, each corresponding closest to a suppressed TSH, were characterized. Survival from TT and PH were also analyzed.ResultsOf the 124 patients, 53 developed PH and 71 developed TT. The PH group developed thyrotoxicosis at a median of 42 days from the first ICI dose while the TT group took significantly longer at 56 days. Thyroidal PET uptake was increased in 18.9% of the PH group versus 6.0% of the TT group (P=0.04). Three different survival models consistently demonstrated a trend towards increased survival in the PH group, compared to the TT group.ConclusionOur results suggest that PH developing after ICI-induced destructive thyroiditis may be associated with a more robust inflammatory and antitumor response to ICI therapy. The results suggests that PH may be a potential clinical predictor of improved survival.
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spelling doaj.art-be77c0622d394942a70bbed074da84ea2023-04-24T09:25:01ZengFrontiers Media S.A.Frontiers in Endocrinology1664-23922023-04-011410.3389/fendo.2023.11691731169173Permanent hypothyroidism following immune checkpoint inhibitors induced thyroiditis may be associated with improved survival: results of an exploratory studyHanna J. Lee0Anjali Manavalan1Mihaela Stefan-Lifshitz2Clyde Schechter3Aloke Maity4Yaron Tomer5Yaron Tomer6Yaron Tomer7Division of Endocrinology, Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, United StatesDivision of Endocrinology, Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, United StatesDivision of Endocrinology, Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, United StatesDepartment of Family and Social Medicine, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, NY, United StatesDepartment of Medicine, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, NY, United StatesDivision of Endocrinology, Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, United StatesDepartment of Medicine, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, NY, United StatesFleischer Institute of Diabetes and Metabolism, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, NY, United StatesBackgroundImmune-related endocrinopathies are common after immune checkpoint inhibitor (ICI) therapy, among which destructive thyroiditis is the most prevalent. Improved survival outcomes have been associated with immune-related adverse events. We aimed to compare the clinical course and biochemical parameters of two subtypes of ICI-related destructive thyroiditis: a transient thyrotoxicosis that reverts to either euthyroidism (TT; transient thyroiditis) versus progression to permanent hypothyroidism (PH), and to identify prognostic markers in cancer patients receiving ICI therapy who developed DT.MethodsThis retrospective observational study included 124 patients who developed a transient thyrotoxicosis due to a destructive thyroiditis after ICI therapy from January 1, 2016 to April 30, 2021 at the Montefiore Medical Center. Patients were categorized as either TT or PH based on spontaneous renormalization of the TSH or the permanent need for thyroid hormone replacement, respectively. Thyroid hormone and antibody levels, serum inflammatory markers, eosinophils, and metabolic uptake of the thyroid on PET imaging, each corresponding closest to a suppressed TSH, were characterized. Survival from TT and PH were also analyzed.ResultsOf the 124 patients, 53 developed PH and 71 developed TT. The PH group developed thyrotoxicosis at a median of 42 days from the first ICI dose while the TT group took significantly longer at 56 days. Thyroidal PET uptake was increased in 18.9% of the PH group versus 6.0% of the TT group (P=0.04). Three different survival models consistently demonstrated a trend towards increased survival in the PH group, compared to the TT group.ConclusionOur results suggest that PH developing after ICI-induced destructive thyroiditis may be associated with a more robust inflammatory and antitumor response to ICI therapy. The results suggests that PH may be a potential clinical predictor of improved survival.https://www.frontiersin.org/articles/10.3389/fendo.2023.1169173/fullthyroiditisimmune checkpointsthyrotoxicosishypothyroidismimmune checkpoint inhibitorssurvival
spellingShingle Hanna J. Lee
Anjali Manavalan
Mihaela Stefan-Lifshitz
Clyde Schechter
Aloke Maity
Yaron Tomer
Yaron Tomer
Yaron Tomer
Permanent hypothyroidism following immune checkpoint inhibitors induced thyroiditis may be associated with improved survival: results of an exploratory study
Frontiers in Endocrinology
thyroiditis
immune checkpoints
thyrotoxicosis
hypothyroidism
immune checkpoint inhibitors
survival
title Permanent hypothyroidism following immune checkpoint inhibitors induced thyroiditis may be associated with improved survival: results of an exploratory study
title_full Permanent hypothyroidism following immune checkpoint inhibitors induced thyroiditis may be associated with improved survival: results of an exploratory study
title_fullStr Permanent hypothyroidism following immune checkpoint inhibitors induced thyroiditis may be associated with improved survival: results of an exploratory study
title_full_unstemmed Permanent hypothyroidism following immune checkpoint inhibitors induced thyroiditis may be associated with improved survival: results of an exploratory study
title_short Permanent hypothyroidism following immune checkpoint inhibitors induced thyroiditis may be associated with improved survival: results of an exploratory study
title_sort permanent hypothyroidism following immune checkpoint inhibitors induced thyroiditis may be associated with improved survival results of an exploratory study
topic thyroiditis
immune checkpoints
thyrotoxicosis
hypothyroidism
immune checkpoint inhibitors
survival
url https://www.frontiersin.org/articles/10.3389/fendo.2023.1169173/full
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