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Katahira M, Tsunekawa T, Mizoguchi A, Yamaguchi M, Tsuru K, Takashima H, Terada R. Clinical significance of thyroglobulin antibodies and thyroid peroxidase antibodies in Graves' disease: a cross-sectional study. Hormones (Athens) 2023; 22:253-261. [PMID: 36811756 DOI: 10.1007/s42000-023-00437-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 02/07/2023] [Indexed: 02/24/2023]
Abstract
PURPOSE The significance of thyroglobulin antibodies (TgAbs) and thyroid peroxidase antibodies (TPOAbs) in Graves' disease (GD) remains unclear. Therefore, this study aimed to clarify the clinical significance of TgAbs and TPOAbs in GD. METHODS A total of 442 patients with GD were recruited and divided into four groups based on TgAb and TPOAb positivity. Their clinical parameters and the characteristics of the groups were compared. Cox proportional hazard regression analysis was performed to assess risk factors for GD remission. RESULTS The free triiodothyronine (FT3) level was significantly higher in groups positive for TgAbs and TPOAbs than in the other groups. The FT3 to free thyroxine (FT4) (FT3/FT4) ratio was significantly higher and thyrotropin-stimulating hormone (TSH) receptor antibodies (TRAbs) were significantly lower in the TgAb+/TPOAb- group. Time to FT4 recovery was significantly shorter for groups negative for TPOAbs, whereas time to TSH recovery was significantly longer for groups positive for TPOAbs. Cox proportional hazard regression analysis revealed that TgAb positivity, prolonged treatment duration with antithyroid drugs, and Graves' ophthalmopathy treated with methylprednisolone were significantly associated with GD remission and that a smoking history, elevated FT3/FT4 ratio, and treatment with propylthiouracil hindered GD remission. CONCLUSION The contributions of TgAbs and TPOAbs to GD pathogenesis differ. Patients positive for TgAbs develop GD with lower TRAb titers and undergo earlier remission than those negative for TgAbs. Patients positive for TPOAbs develop GD with high TRAb titers and need a long time to achieve remission.
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Affiliation(s)
- Masahito Katahira
- Aichi Prefectural University School of Nursing and Health, Togoku, Kamishidami, Moriyama-ku, Nagoya, 463-8502, Japan.
- Department of Endocrinology and Diabetes, Ichinomiya Municipal Hospital, 2-2-22 Bunkyo, Ichinomiya, 491-8558, Japan.
| | - Taku Tsunekawa
- Department of Endocrinology and Diabetes, Ichinomiya Municipal Hospital, 2-2-22 Bunkyo, Ichinomiya, 491-8558, Japan
| | - Akira Mizoguchi
- Department of Endocrinology and Diabetes, Ichinomiya Municipal Hospital, 2-2-22 Bunkyo, Ichinomiya, 491-8558, Japan
| | - Mariko Yamaguchi
- Department of Endocrinology and Diabetes, Ichinomiya Municipal Hospital, 2-2-22 Bunkyo, Ichinomiya, 491-8558, Japan
| | - Kahori Tsuru
- Department of Endocrinology and Diabetes, Ichinomiya Municipal Hospital, 2-2-22 Bunkyo, Ichinomiya, 491-8558, Japan
| | - Hiromi Takashima
- Department of Endocrinology and Diabetes, Ichinomiya Municipal Hospital, 2-2-22 Bunkyo, Ichinomiya, 491-8558, Japan
| | - Ryoma Terada
- Department of Endocrinology and Diabetes, Ichinomiya Municipal Hospital, 2-2-22 Bunkyo, Ichinomiya, 491-8558, Japan
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Verdickt S, Van Nes F, Moyson C, Maes T, Van Crombrugge P, Van den Bruel A, Decallonne B. TPO antibody status prior to first radioactive iodine therapy as a predictive parameter for hypothyroidism in Graves' disease. Eur Thyroid J 2022; 11:e220047. [PMID: 35687484 PMCID: PMC9254270 DOI: 10.1530/etj-22-0047] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 06/10/2022] [Indexed: 12/14/2022] Open
Abstract
Objective We investigated whether a positive thyroid peroxidase antibody (TPO Ab) status before radioactive iodine (RAI) therapy in patients with Graves' hyperthyroidism is a predictive factor for developing hypothyroidism post RAI. Methods We performed a retrospective study of patients with Graves' hyperthyroidism with known TPO Ab status, receiving the first administration of RAI. Patients from four thyroid outpatient centres in Belgium receiving their first RAI therapy between the years 2011 and 2019 were studied. Clinical, laboratory, imaging, and treatment data were recorded from medical charts. Hypothyroidism and cure (defined as combined hypo- and euthyroidism) were evaluated in period 1 (≥2 and ≤9 months, closest to 6 months post RAI) and period 2 (>9 months and ≤24 months post RAI, closest to 12 months post RAI). Results A total of 152 patients were included of which 105 (69%) were TPO Ab-positive. Compared to TPO Ab-negative patients, TPO Ab-positive patients were younger, had a larger thyroid gland, and had more previous episodes of hyperthyroidism. In period 1, 89% of the TPO Ab-positive group developed hypothyroidism and 72% in the TPO Ab-negative group (P = 0.007). In period 2, the observation was similar: 88% vs 72% (P = 0.019). In the multivariate logistic regression analysis, a positive TPO Ab status was associated with hypothyroidism in period 2 (adjusted OR: 4.78; 95% CI: 1.27-20.18; P = 0.024). In period 1, the aOR was 4.16 (95% CI: 1.0-18.83; P = 0.052). Conclusion A positive TPO Ab status in patients with Graves' hyperthyroidism receiving the first administration of RAI is associated with a higher risk of early hypothyroidism.
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Affiliation(s)
- Sébastien Verdickt
- Department of Endocrinology, University Hospitals of Leuven, Leuven, Belgium
| | - Falco Van Nes
- Department of Endocrinology, University Hospitals of Leuven, Leuven, Belgium
| | - Carolien Moyson
- Department of Endocrinology, University Hospitals of Leuven, Leuven, Belgium
| | - Toon Maes
- Department of Endocrinology, Imeldaziekenhuis Bonheiden, Bonheiden, Belgium
| | - Paul Van Crombrugge
- Department of Endocrinology, OLV Ziekenhuis Aalst-Asse-Ninove, Aalst, Belgium
| | | | - Brigitte Decallonne
- Department of Endocrinology, University Hospitals of Leuven, Leuven, Belgium
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Shahida B, Tsoumani K, Planck T, Modhukur V, Asp P, Sundlöv A, Tennvall J, Åsman P, Lindgren O, Lantz M. Increased risk of Graves´ophthalmopathy in patients with increasing TRAb after radioiodine treatment and the impact of CTLA4 on TRAb titres. Endocrine 2022; 75:856-864. [PMID: 34859391 PMCID: PMC8888513 DOI: 10.1007/s12020-021-02952-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 11/21/2021] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Treatment of Graves´ disease (GD) with radioiodine increases the risk of developing Graves´ ophthalmopathy (GO), and the link between thyroid and orbital tissue may be the presence of TSH-receptors. Radioiodine increases the titers of TRAb and the aim was to investigate the relationship between GO and TRAb titers after treatment with radioiodine and to define the impact of risk genes. METHODS GD patients without ophthalmopathy or previous treatment with radioiodine were prospectively included at treatment with radioiodine for hyperthyroidism. A follow-up was performed 1 year later for the registration of GO development. The study was performed at a University Hospital Clinic; a referral center of all patients treated with radioiodine in the south of Sweden. The main outcome measures were the development of TRAb, anti-TPO, and anti-TG after 3 months and GO after 12 months and relationship to the genetic background (HLA, CTLA-4, and CYR61). RESULTS Three months of radioiodine TRAb titers increased in two thirds of patients (p < 0.0005) but not in the other third. Anti-TPO titers were associated with TRAb (R = 0.362, p < 0.0001) but not anti-TG. At follow-up 1 year later (n = 204) 32 patients developed GO with a proportion of 70% in the group increasing in TRAb titers and 30% in the group with unchanged or lower TRAb titers (p-value < 0.0005). Patients with GO had higher titers of TRAb than patients without GO. CTLA-4 (rs231775 SNP) was significantly (p < 0.005) associated with TRAb titers above the median three months after radioiodine. CONCLUSIONS The increase in TRAb titers after treatment with radioiodine is associated with GO and a genetic variation in CTLA-4 is associated with higher titers of TRAb.
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Affiliation(s)
- Bushra Shahida
- Department of Clinical Sciences Malmö, Diabetes and Endocrinology, Lund University, Malmö, Sweden
| | - Kleoniki Tsoumani
- Department of Endocrinology, Department of Clinical Sciences, Skåne University Hospital, Lund University, Malmö and Lund, Sweden
| | - Tereza Planck
- Department of Endocrinology, Department of Clinical Sciences, Skåne University Hospital, Lund University, Malmö and Lund, Sweden
| | - Vijayachitra Modhukur
- Department of Clinical Sciences Malmö, Diabetes and Endocrinology, Lund University, Malmö, Sweden
| | - Pernilla Asp
- Department of Oncology, Skåne University Hospital, Lund, Sweden
| | - Anna Sundlöv
- Department of Oncology, Department of Clinical Sciences, Skåne University Hospital, Lund University, Lund, Sweden
| | - Jan Tennvall
- Department of Oncology, Department of Clinical Sciences, Skåne University Hospital, Lund University, Lund, Sweden
| | - Peter Åsman
- Department of Clinical Sciences Malmö, Ophthalmology, Skåne University Hospital, Department of Ophthalmology, Lund University, Malmö, Sweden
| | - Ola Lindgren
- Department of Endocrinology, Department of Clinical Sciences, Skåne University Hospital, Lund University, Malmö and Lund, Sweden
| | - Mikael Lantz
- Department of Endocrinology, Department of Clinical Sciences, Skåne University Hospital, Lund University, Malmö and Lund, Sweden.
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Khalaf ZA, Jasim HM, Mahdi AA. FOXP3 and IL-10 overexpression: A novel diagnostic biomarker in Iraqi patients having hyperthyroidism treated with radioactive iodine. GENE REPORTS 2021. [DOI: 10.1016/j.genrep.2021.101384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Fang Y, Du WH, Zhang CX, Zhao SX, Song HD, Gao GQ, Dong M. The effect of radioiodine treatment on the characteristics of TRAb in Graves' disease. BMC Endocr Disord 2021; 21:238. [PMID: 34847904 PMCID: PMC8630916 DOI: 10.1186/s12902-021-00905-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Accepted: 11/18/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Graves' disease (GD) is one of the most common autoimmune thyroid diseases (AITDs) in humans, and thyrotropin receptor antibody (TRAb) is a characterized autoantibody in GD. The use of radioactive iodine therapy (RAI) for GD treatment is increasing. OBJECTIVES We studied the biological properties of TRAb and evaluated the effect of RAI therapy on TRAb in GD patients. METHODS In total, 225 patients (22 onset GD patients without 131I therapy, 203 GD patients treated with 131I therapy) and 20 healthy individuals as normal controls were included in this study. Clinical assessments were performed, and we examined in vitro the biological properties of TRAb in the 22 onset GD patients and 20 controls as well as 84 GD patients with 131I therapy. RESULTS Serum TRAb and thyroid peroxidase antibody (TPOAb) levels increased in the initial year of RAI treatment, and both antibodies decreased gradually after one year. After 5 years from radioiodine treatment, TRAb and TPOAb levels decreased in 88% and 65% of GD patients, respectively. The proportion of patients positive for thyroid-stimulatory antibody (TSAb) was significantly higher in the 7-12-month group, and thyroid-blocking antibody (TBAb) levels were elevated after one year in half of the patients who received 131I treatment. CONCLUSIONS Treatment of GD patients with radioiodine increased TPOAb and TRAb (their main biological properties were TSAbs) within the first year after therapy, and the main biological properties of elevated TRAb were TBAbs after 1 year.
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Affiliation(s)
- Ya Fang
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China
| | - Wen-Hua Du
- Department of Endocrinology, Linyi People's Hospital, Linyi, China
| | - Cao-Xu Zhang
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China
| | - Shuang-Xia Zhao
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China
| | - Huai-Dong Song
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China.
| | - Guan-Qi Gao
- Department of Endocrinology, Linyi People's Hospital, Linyi, China.
| | - Mei Dong
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China.
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Remission Rate of Graves' Disease and the Trend of Changes in Serum TSH Receptor Antibodies in Prolonged Antithyroid Drug Treatment. Int J Endocrinol Metab 2020. [DOI: 10.5812/ijem.101473] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Context: Graves’ disease is an autoimmune disease caused by thyrotropin receptor antibodies (TRAb). These antibodies can be measured and used for the diagnosis, prediction of remission, and risk of Graves’ orbitopathy development. There are three treatments for Graves’ disease that have remained unchanged for the last 75 years: Antithyroid drugs, radioiodine, and surgery. Antithyroid drugs are the first treatment option worldwide and are usually used for 12 - 18 months. Recent reports suggest the use of antithyroid drugs for more than 18 months with better outcomes. This review focuses on two aspects of treatment with antithyroid drugs: The impact of using antithyroid drugs for more than 12 - 18 months on remission rates and the trend of TRAb during prolonged antithyroid drug treatment. Evidence Acquisition: A review was performed in Medline on the published work regarding the duration of ATD treatment and remission of Graves' disease and also ATD treatment and TRAb status during the 1990 - 2019 period. Results: Remission rates are variable (30% - 80%), and many clinical and genetic factors serve as predictors. The long-term use of antithyroid drugs appears to increase remission rates. TRAb values usually decline during ATD treatment, but the trend could occur in two ways: Becoming negative or showing a fluctuating pattern. However, approximately 10% of the patients will remain TRAb-positive after five years of treatment with antithyroid drugs. Conclusions: Antithyroid drugs can be used for long periods with an increase in remission rates, and a gradual decrease in TRAb levels, with the disappearance of TRAb in 90% of the patients after 60 months.
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