ArticleEuropean thyroid journal2025
Long-term outcomes of LT4/LT3 combination treatment for persistent hypothyroid symptoms.
Article in European thyroid journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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7 authors.
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Abstract
Objective: Patients are increasingly using and requesting LT4/LT3 combination treatment for persistent hypothyroid symptoms, but the efficacy and side effects of long-term therapy remain largely unexplored. This study aimed to describe the patient group experiencing a long-lasting impact of LT4/LT3 and evaluate their quality of life (QoL) and hypothyroid symptoms. Method: We performed a cross-sectional study of 66 hypothyroid patients who had previously initiated LT4/LT3 combination therapy. The patients were grouped by current treatment into patients still receiving LT4/LT3 treatment (T3 responders) and patients who had discontinued LT3 treatment due to lack of effect (T3 non-responders). ThyPRO was used to evaluate QoL, and a validated symptom score was used to assess hypothyroid symptoms. The paper describes a real-life study that depicts unsatisfied patients as they are met in an outpatient clinic. Results: The participants had a median age of 56 and had initiated LT4/LT3 combination therapy 5.4 years ago. Fifty-four patients still received LT4/LT3 therapy and 12 patients had discontinued LT3 treatment due to lack of effect. Patients in the T3 responder group experienced a QoL comparable to the background population. Surprisingly, symptom scores in the T3 responder group were at the same levels as seen in Danish females with overt hypothyroidism. Thyoid stimulating hormone (TSH) in the T3 responder group was less than 0.4 mU/L in 38% of patients, indicating overtreatment. Conclusion: LT4/LT3 treatment was well-tolerated with no side effects and high QoL, but patients still experienced many symptoms.
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