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van Geest FS, Groeneweg S, van den Akker ELT, Bacos I, Barca D, van den Berg SAA, Bertini E, Brunner D, Brunetti-Pierri N, Cappa M, Cappuccio G, Chatterjee K, Chesover AD, Christian P, Coutant R, Craiu D, Crock P, Dewey C, Dica A, Dimitri P, Dubey R, Enderli A, Fairchild J, Gallichan J, Garibaldi LR, George B, Hackenberg A, Heinrich B, Huynh T, Kłosowska A, Lawson-Yuen A, Linder-Lucht M, Lyons G, Monti Lora F, Moran C, Müller KE, Paone L, Paul PG, Polak M, Porta F, Reinauer C, de Rijke YB, Seckold R, Menevşe TS, Simm P, Simon A, Spada M, Stoupa A, Szeifert L, Tonduti D, van Toor H, Turan S, Vanderniet J, de Waart M, van der Wal R, van der Walt A, van Wermeskerken AM, Wierzba J, Zibordi F, Zung A, Peeters RP, Visser WE. Long-Term Efficacy of T3 Analogue Triac in Children and Adults With MCT8 Deficiency: A Real-Life Retrospective Cohort Study. J Clin Endocrinol Metab 2022; 107:e1136-e1147. [PMID: 34679181 PMCID: PMC8852204 DOI: 10.1210/clinem/dgab750] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Indexed: 11/19/2022]
Abstract
CONTEXT Patients with mutations in thyroid hormone transporter MCT8 have developmental delay and chronic thyrotoxicosis associated with being underweight and having cardiovascular dysfunction. OBJECTIVE Our previous trial showed improvement of key clinical and biochemical features during 1-year treatment with the T3 analogue Triac, but long-term follow-up data are needed. METHODS In this real-life retrospective cohort study, we investigated the efficacy of Triac in MCT8-deficient patients in 33 sites. The primary endpoint was change in serum T3 concentrations from baseline to last available measurement. Secondary endpoints were changes in other thyroid parameters, anthropometric parameters, heart rate, and biochemical markers of thyroid hormone action. RESULTS From October 15, 2014 to January 1, 2021, 67 patients (median baseline age 4.6 years; range, 0.5-66) were treated up to 6 years (median 2.2 years; range, 0.2-6.2). Mean T3 concentrations decreased from 4.58 (SD 1.11) to 1.66 (0.69) nmol/L (mean decrease 2.92 nmol/L; 95% CI, 2.61-3.23; P < 0.0001; target 1.4-2.5 nmol/L). Body-weight-for-age exceeded that of untreated historical controls (mean difference 0.72 SD; 95% CI, 0.36-1.09; P = 0.0002). Heart-rate-for-age decreased (mean difference 0.64 SD; 95% CI, 0.29-0.98; P = 0.0005). SHBG concentrations decreased from 245 (99) to 209 (92) nmol/L (mean decrease 36 nmol/L; 95% CI, 16-57; P = 0.0008). Mean creatinine concentrations increased from 32 (11) to 39 (13) µmol/L (mean increase 7 µmol/L; 95% CI, 6-9; P < 0.0001). Mean creatine kinase concentrations did not significantly change. No drug-related severe adverse events were reported. CONCLUSIONS Key features were sustainably alleviated in patients with MCT8 deficiency across all ages, highlighting the real-life potential of Triac for MCT8 deficiency.
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Affiliation(s)
- Ferdy S van Geest
- Academic Center for Thyroid Diseases, Department of Internal Medicine, Erasmus Medical Center, 3015 GD Rotterdam, The Netherlands
| | - Stefan Groeneweg
- Academic Center for Thyroid Diseases, Department of Internal Medicine, Erasmus Medical Center, 3015 GD Rotterdam, The Netherlands
| | - Erica L T van den Akker
- Division of Endocrinology, Department of Pediatrics, Erasmus MC-Sophia Children's Hospital, University Medical Center, 3015 GD Rotterdam, The Netherlands
| | - Iuliu Bacos
- Centrul Medical Dr. Bacos Cosma, Timisoara 307200, Romania
| | - Diana Barca
- Carol Davila University of Medicine, Department of Clinical Neurosciences, Paediatric Neurology Discipline II, Bucharest 050474, Romania
- Paediatric Neurology Clinic, Reference Center for Rare Paediatric Neurological Disorders, ENDO-ERN member, Alexandru Obregia Hospital, Bucharest 041914, Romania
| | - Sjoerd A A van den Berg
- Diagnostic Laboratory for Endocrinology, Department of Internal Medicine, Erasmus Medical Center , 3015 GD Rotterdam, The Netherlands
- Department of Clinical chemistry, Erasmus Medical Center, 3015 GD Rotterdam, The Netherlands
| | - Enrico Bertini
- Unit of Neuromuscular and Neurodegenerative Disorders, Bambino Gesu' Children's Research Hospital IRCCS, 00165 Rome, Italy
| | - Doris Brunner
- Gottfried Preyer's Children Hospital, 1100 Vienna, Austria
| | - Nicola Brunetti-Pierri
- Department of Translational Medicine, Federico II University, 80131 Naples, Italy
- Telethon Institute of Genetics and Medicine, Pozzuoli, 80078 Naples, Italy
| | - Marco Cappa
- Division of Endocrinology, Bambino Gesu' Children's Research Hospital IRCCS, 00165 Rome, Italy
| | - Gerarda Cappuccio
- Department of Translational Medicine, Federico II University, 80131 Naples, Italy
- Telethon Institute of Genetics and Medicine, Pozzuoli, 80078 Naples, Italy
| | - Krishna Chatterjee
- Wellcome Trust-Medical Research Council Institute of Metabolic Science, University of Cambridge, Cambridge CB2 0QQ, UK
| | - Alexander D Chesover
- Division of Endocrinology, The Hospital for Sick Children and Department of Paediatrics, University of Toronto, Toronto, M5G 1X8, Canada
| | - Peter Christian
- East Kent Hospitals University NHS Foundation Trust, Ashford TN24 0LZ, UK
| | - Régis Coutant
- Department of Pediatric Endocrinology and Diabetology, University Hospital, 49100 Angers, France
| | - Dana Craiu
- Carol Davila University of Medicine, Department of Clinical Neurosciences, Paediatric Neurology Discipline II, Bucharest 050474, Romania
- Paediatric Neurology Clinic, Reference Center for Rare Paediatric Neurological Disorders, ENDO-ERN member, Alexandru Obregia Hospital, Bucharest 041914, Romania
| | - Patricia Crock
- John Hunter Children's Hospital, New Lambton Heights, NSW 2305, Australia
- Hunter Medical Research Institute, University of Newcastle Kookaburra Circuit, New Lambton Heights, NSW 2305, Australia
| | - Cheyenne Dewey
- Genomics Institute Mary Bridge Children's Hospital, MultiCare Health System Tacoma, WA 98403, USA
| | - Alice Dica
- Carol Davila University of Medicine, Department of Clinical Neurosciences, Paediatric Neurology Discipline II, Bucharest 050474, Romania
- Paediatric Neurology Clinic, Reference Center for Rare Paediatric Neurological Disorders, ENDO-ERN member, Alexandru Obregia Hospital, Bucharest 041914, Romania
| | - Paul Dimitri
- Sheffield Children's NHS Foundation Trust, Sheffield Hallam University and University of Sheffield, Sheffield, S10 2TH, UK
| | - Rachana Dubey
- Medanta Superspeciality Hospital, Indore 800020, India
| | - Anina Enderli
- Department of Neuropediatrics, University Children's Hospital Zurich, Steinwiesstrasse 75, 8032 Zürich, Switzerland
- Neurology Department, Children's Hospital, St. Gallen, 9000, Switzerland
| | - Jan Fairchild
- Department of Diabetes and Endocrinology, Women's and Children's Hospital, North Adelaide 5066 SouthAustralia
| | | | | | - Belinda George
- Department of Endocrinology, St. John's Medical College Hospital, Bengaluru 560034, India
| | - Annette Hackenberg
- Department of Neuropediatrics, University Children's Hospital Zurich, Steinwiesstrasse 75, 8032 Zürich, Switzerland
| | - Bianka Heinrich
- Department of Neuropediatrics, University Children's Hospital Zurich, Steinwiesstrasse 75, 8032 Zürich, Switzerland
| | - Tony Huynh
- Department of Endocrinology & Diabetes, Queensland Children's Hospital, South Brisbane Queensland 4101, Australia
- Department of Chemical Pathology, Mater Pathology, South Brisbane, Queensland 4101, Australia
- Faculty of Medicine, University of Queensland, Brisbane, Queensland 4072, Australia
| | - Anna Kłosowska
- Department of Pediatrics, Hematology and Oncology, Medical University of Gdańsk, 80-210 Gdańsk, Poland
| | - Amy Lawson-Yuen
- Genomics Institute Mary Bridge Children's Hospital, MultiCare Health System Tacoma, WA 98403, USA
| | - Michaela Linder-Lucht
- Division of Neuropediatrics and Muscular Disorders, Department of Pediatrics and Adolescent Medicine, University Hospital Freiburg, 79106 Freiburg, Germany
| | - Greta Lyons
- Wellcome Trust-Medical Research Council Institute of Metabolic Science, University of Cambridge, Cambridge CB2 0QQ, UK
| | - Felipe Monti Lora
- Pediatric Endocrinology Group, Santa Catarina Hospital, São Paulo, 01310-000, Brazil
| | - Carla Moran
- Wellcome Trust-Medical Research Council Institute of Metabolic Science, University of Cambridge, Cambridge CB2 0QQ, UK
| | - Katalin E Müller
- Heim Pal National Institute of Pediatrics, Budapest, 1089, Hungary
- Institute of Translational Medicine, University of Pécs, Pécs, 7622, Hungary
| | - Laura Paone
- Division of Endocrinology, Bambino Gesu' Children's Research Hospital IRCCS, 00165 Rome, Italy
| | - Praveen G Paul
- Department of Paediatrics, Christian Medical College, Vellore 632004, India
| | - Michel Polak
- Paediatric Endocrinology, Diabetology and Gynaecology Department, Necker Children's University Hospital, Imagine Institute, Université de Paris, Paris 75015, France
| | - Francesco Porta
- Department of Paediatrics, AOU Città della Salute e della Scienza di Torino, University of Torino, Torino 10126,Italy
| | - Christina Reinauer
- Department of General Pediatrics, Neonatology and Pediatric Cardiology, University Children's Hospital, Medical Faculty, Duesseldorf 40225, Germany
| | - Yolanda B de Rijke
- Department of Clinical chemistry, Erasmus Medical Center, 3015 GD Rotterdam, The Netherlands
| | - Rowen Seckold
- John Hunter Children's Hospital, New Lambton Heights, NSW 2305, Australia
- Hunter Medical Research Institute, University of Newcastle Kookaburra Circuit, New Lambton Heights, NSW 2305, Australia
| | - Tuba Seven Menevşe
- Marmara University School of Medicine Department of Pediatric Endocrinology, Istanbul 34854, Turkey
| | - Peter Simm
- Royal Children's Hospital/University of Melbourne, Parkville 3052,Australia
| | - Anna Simon
- Department of Paediatrics, Christian Medical College, Vellore 632004, India
| | - Marco Spada
- Department of Paediatrics, AOU Città della Salute e della Scienza di Torino, University of Torino, Torino 10126,Italy
| | - Athanasia Stoupa
- Paediatric Endocrinology, Diabetology and Gynaecology Department, Necker Children's University Hospital, Imagine Institute, Université de Paris, Paris 75015, France
| | - Lilla Szeifert
- 1st Department of Pediatrics, Semmelweis University, Budapest, 1083, Hungary
| | - Davide Tonduti
- Child Neurology Unit - C.O.A.L.A. (Center for Diagnosis and Treatment of Leukodystrophies), V. Buzzi Children's Hospital, Milano 20154, Italy
| | - Hans van Toor
- Diagnostic Laboratory for Endocrinology, Department of Internal Medicine, Erasmus Medical Center , 3015 GD Rotterdam, The Netherlands
| | - Serap Turan
- Marmara University School of Medicine Department of Pediatric Endocrinology, Istanbul 34854, Turkey
| | - Joel Vanderniet
- John Hunter Children's Hospital, New Lambton Heights, NSW 2305, Australia
- Hunter Medical Research Institute, University of Newcastle Kookaburra Circuit, New Lambton Heights, NSW 2305, Australia
| | - Monique de Waart
- Department of Clinical chemistry, Erasmus Medical Center, 3015 GD Rotterdam, The Netherlands
| | - Ronald van der Wal
- Diagnostic Laboratory for Endocrinology, Department of Internal Medicine, Erasmus Medical Center , 3015 GD Rotterdam, The Netherlands
| | - Adri van der Walt
- Private Paediatric Neurology Practice of Dr A van der Walt, Durbanville, South Africa
| | | | - Jolanta Wierzba
- Department of Internal and Pediatric Nursing, Institute of Nursing and Midwifery, Medical University of Gdańsk, 80-210 Gdańsk, Poland
| | - Federica Zibordi
- Child Neurology Unit, Fondazione IRCCS, Istituto Neurologico Carlo Besta, Milan 20133, Italy
| | - Amnon Zung
- Pediatric Endocrinology Unit, Kaplan Medical Center, University of Jerusalem, Rehovot 76100, Israel
| | - Robin P Peeters
- Academic Center for Thyroid Diseases, Department of Internal Medicine, Erasmus Medical Center, 3015 GD Rotterdam, The Netherlands
| | - W Edward Visser
- Academic Center for Thyroid Diseases, Department of Internal Medicine, Erasmus Medical Center, 3015 GD Rotterdam, The Netherlands
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