Annika Janson

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About me

Annika Janson is an associate professor in paediatrics at Karolinska Institutet and a paediatrican, senior consultant in the department of Paediatric Endocrinology at Karolinska University Hospital

I am a clinically active paediatrician and paediatric endocrinologist and work in the department of paediatric endocrinology at Karolinska University Hospital in Solna, and at the National Childhood Obesity Centre located in Liljeholmen.

I have a keen interest in global health, especially maternal and child health. I have worked in several countries
the latest was Ethiopia with the London School of Hygiene and Tropical Medicine (LSHTM). I am connected with the Department of Women's and Children's Health (KBH) at Karolinska Institutet.

I am the deputy Editor-in-Chief of the scientific journal Acta Paediatrica.

I also lead the working group that should give directions for obesity care for children and adolescents in the Stockholm region, "Regional arbetsgrupp barnobesitas (RAGBO)."

Research

My research interests are growth and puberty in children, global health, public health, routine health information systems, childhood obesity, adolescent medicine, bariatric surgery, type 2 diabetes, type 1 diabetes, thyroid disease, and Addison`s disease.

Articles

Article: ECLINICALMEDICINE. 2024;70:102505
Cognitive functioning in adolescents with severe obesity undergoing bariatric surgery or intensive non-surgical treatment in Sweden (AMOS2): a multicentre, open-label, randomised controlled trial
Jarvholm K; Gronowitz E; Janson A; Peltonen M; Sjogren L; Beamish AJ; Dahlgren J; Martensson J; Olbers T
Article: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS. 2024;113(2):276-285
Significant effects of childhood obesity treatment with a web-based component in a randomised controlled study (Web-COP)
Thoren A; Filipsson T; Englund E; Sandstrom O; Janson A; Silfverdal SA
Journal article: 2023
Metabolic and bariatric surgery versus intensive non-surgical treatment for adolescents with severe obesity (AMOS2): a multicentre, randomised, controlled trial in Sweden
K J; A J; M P; M N; E G; M E; A L; AJ B; J D; L S; T O
Article: THE LANCET CHILD AND ADOLESCENT HEALTH. 2023;7(4):249-260
Metabolic and bariatric surgery versus intensive non-surgical treatment for adolescents with severe obesity (AMOS2): a multicentre, randomised, controlled trial in Sweden
Jarvholm K; Janson A; Peltonen M; Neovius M; Gronowitz E; Engstrom M; Laurenius A; Beamish AJ; Dahlgren J; Sjogren L; Olbers T
Article: BMJ OPEN. 2021;11(12):e050356
Exploring data quality and use of the routine health information system in Ethiopia: a mixed-methods study
Adane A; Adege TM; Ahmed MM; Anteneh HA; Ayalew ES; Berhanu D; Berhanu N; Getnet M; Bishaw T; Busza J; Cherinet E; Dereje M; Desta TH; Dibabe A; Firew HS; Gebrehiwot F; Gebreyohannes E; Gella Z; Girma A; Halefom Z; Jama SF; Janson A; Kemal B; Kiflom A; Mazengiya YD; Mekete K; Mengesha M; Nega MW; Otoro IA; Schellenberg J; Taddele T; Tefera G; Teketel A; Tesfaye M; Tsegaye T; Woldesenbet K; Wondarad Y; Yusuf ZM; Zealiyas K; Zeweli MH; Persson LA; Lemma S
Article: OBESITY SCIENCE & PRACTICE. 2021;7(6):699-710
Adapting pediatric obesity care to better suit adolescent patients: Design of a treatment platform and results compared with standard care in the national patient quality register
Janson A; Bohlin A; Johansson B-M; Trygg-Lycke S; Gauffin F; Klaesson S
Article: AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE. 2021;105(3):846-851
The Association of Low Blood Glucose and Low Serum Cortisol Levels in Severely Ill Children Admitted to Tertiary Referral Hospitals in Malawi: A Case-Control Study
Ngwalangwa F; Katumbi C; Dube Q; Langton J; Baker T; Janson A; Hildenwall H
Article: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS. 2021;110(6):1869-1879
'Now she prefers jeans, like everyone else horizontal ellipsis ' - Parents' experiences of group- and web-based treatment of children's obesity
Thoren A; Janson A; Persson M
Article: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS. 2021;110(5):1534-1540
High prevalence of neurodevelopmental problems in adolescents eligible for bariatric surgery for severe obesity
Bjork A; Dahlgren J; Gronowitz E; Henriksson Wessely F; Janson A; Engstrom M; Sjogren L; Olbers T; Jarvholm K
Article: GLOBAL HEALTH ACTION. 2021;14(1):1901390
Strengthening routine health data analysis in Ethiopia: the Operational Research and Coaching for Analysts (ORCA) experience
Busza J; Lemma S; Janson A; Adem SO; Berhanu D; Defar A; Persson L-A; Kallestal C
Article: GLOBAL HEALTH ACTION. 2021;14(1):1868961
Routine health management information system data in Ethiopia: consistency, trends, and challenges
Adane A; Adege TM; Ahmed MM; Anteneh HA; Ayalew ES; Berhanu D; Berhanu N; Beyene MG; Bhattacharya A; Bishaw T; Cherinet E; Dereje M; Desta TH; Dibabe A; Firew HS; Gebrehiwot F; Gebreyohannes E; Gella Z; Girma A; Halefom Z; Jama SF; Kemal B; Kiflom A; Kallestal C; Lemma S; Mazengiya YD; Mekete K; Mengesha M; Nega MW; Otoro IA; Schellenberg J; Taddele T; Tefera G; Teketel A; Tesfaye M; Tsegaye T; Woldesenbet K; Wondarad Y; Yosuf ZM; Zealiyas K; Zeweli MH; Persson LA; Janson A
Article: PEDIATRIC DIABETES. 2020;21(7):1310-1321
Microalbuminuria and retinopathy in adolescents and young adults with type 1 and type 2 diabetes
Ek AE; Samuelsson U; Janson A; Carlsson A; Elimam A; Marcus C
Article: OBESITY SCIENCE & PRACTICE. 2020;6(5):516-523
Development, implementation and early results of a 12-week web-based intervention targeting 51 children age 5-13 years and their families
Thoren A; Janson A; Englund E; Silfverdal S-A
Article: CONTEMPORARY CLINICAL TRIALS COMMUNICATIONS. 2020;19:100592
A randomized controlled trial comparing intensive non-surgical treatment with bariatric surgery in adolescents aged 13-16 years (AMOS2): Rationale, study design, and patient recruitment
Janson A; Jarvholm K; Gronowitz E; Sjogren L; Klaesson S; Engstrom M; Peltonen M; Ekbom K; Dahlgren J; Olbers T
Article: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS. 2020;109(6):1131-1137
Successful treatment of a cohort of infants with neonatal diabetes using insulin pumps including data on genetics and estimated incidence
Torbjornsdotter T; Marosvari-Barna E; Henckel E; Corrias M; Norgren S; Janson A
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY AND METABOLISM (JCEM). 2018;103(1):179-186
Cytokine Autoantibody Screening in the Swedish Addison Registry Identifies Patients With Undiagnosed APS1
Eriksson D; Dalin F; Eriksson GN; Landegren N; Bianchi M; Hallgren A; Dahlqvist P; Wahlberg J; Ekwall O; Winqvist O; Catrina S-B; Ronnelid J; Hulting A-L; Lindblad-Toh K; Alimohammadi M; Husebye ES; Knappskog PM; Pielberg GR; Bensing S; Kampe O
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY AND METABOLISM (JCEM). 2017;102(2):379-389
Clinical and Immunological Characteristics of Autoimmune Addison Disease: A Nationwide Swedish Multicenter Study
Dalin F; Eriksson GN; Dahlqvist P; Hallgren A; Wahlberg J; Ekwall O; Soderberg S; Ronnelid J; Olcen P; Winqvist O; Catrina S-B; Kristrom B; Laudius M; Isaksson M; Stenlid MH; Gustafsson J; Gebre-Medhin G; Bjornsdottir S; Janson A; Akerman A-K; Aman J; Duchen K; Bergthorsdottir R; Johannsson G; Lindskog E; Landin-Olsson M; Elfving M; Waldenstrom E; Hulting A-L; Kampe O; Bensing S
Article: LAKARTIDNINGEN. 2011;108(46):2352-2353
[Four cases of risky "doctor's delay". Children and adolescents with newly onset diabetes are hospital emergencies].
Janson A; Elimam A; Forsberg L; Torbjörnsdotter T; Ortqvist E
Article: PLOS ONE. 2011;6(7):e19753
Malaria Rapid Testing by Community Health Workers Is Effective and Safe for Targeting Malaria Treatment: Randomised Cross-Over Trial in Tanzania
Mubi M; Janson A; Warsame M; Martensson A; Kallander K; Petzold MG; Ngasala B; Maganga G; Gustafsson LL; Massele A; Tomson G; Premji Z; Bjorkman A
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY AND METABOLISM (JCEM). 2007;92(11):4101-4106
Impact sibutramine therapy in children with hypothalamic obesity or obesity with aggravating syndromes
Danielsson P; Janson A; Norgren S; Marcus C
Article: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS. 2005;94(8):1145-1148
Autosomal-dominant non-autoimmune hyperthyroidism presenting with neuromuscular symptoms
Elgadi A; Arvidsson CG; Janson A; Marcus C; Costagliola S; Norgren S
Article: CALCIFIED TISSUE INTERNATIONAL. 2004;74(5):486-491
Weak evidence of thyrotropin receptors in primary cultures of human osteoblast-like cells
Tsai JA; Janson A; Bucht E; Kindmark H; Marcus C; Stark A; Zemack HR; Torring O
Article: LAKARTIDNINGEN. 2002;99(9):899-903
[Cooperation reduces the risks of thyroid disease in pregnancy. Also mild maternal hypothyroidism can threaten the neurological development of the fetus].
Janson A; Alm J; Bremme K; Skjöldebrand-Sparre L; Söder O; Werner S
Article: LAKARTIDNINGEN. 2000;97(5):470-471
[A life-threatening disease among children often diagnosed too late. Normal sodium levels do not exclude Addison's disease].
Janson A
Article: PEDIATRIC RESEARCH. 1998;43(4):555-558
Presence of thyrotropin receptor in infant adipocytes
Janson A; Rawet H; Perbeck L; Marcus C
Article: HORMONE AND METABOLIC RESEARCH. 1997;29(4):164-167
The lipolytic effects of thyrotropin and isoprenaline are not affected by growth hormone in infant adipocytes
Janson A; Marcus C
Article: BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS. 1995;211(2):426-431
EVIDENCE FOR THE PRESENCE OF FUNCTIONAL THYROTROPIN RECEPTOR IN CARDIAC-MUSCLE
DRVOTA V; JANSON A; NORMAN C; SYLVEN C; HAGGBLAD J; BRONNEGARD M; MARCUS C
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY AND METABOLISM (JCEM). 1995;80(5):1712-1716
EFFECTS OF STIMULATORY AND INHIBITORY THYROTROPIN RECEPTOR ANTIBODIES ON LIPOLYSIS IN INFANT ADIPOCYTES
JANSON A; KARLSSON FA; MICHAJOHANSSON G; BOLME P; BRONNEGARD M; MARCUS C
Journal article: JOURNAL OF CLINICAL ENDOCRINOLOGY AND METABOLISM (JCEM). 1995;80(5):1712-1716
Effects of stimulatory and inhibitory thyrotropin receptor antibodies on lipolysis in infant adipocytes
Janson A
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All other publications

Editorial comment: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS. 2024;113(5):850-851
How and when can we predict the risk of future metabolic disease in children with obesity?
Janson A
Review: JOURNAL OF CLINICAL ENDOCRINOLOGY AND METABOLISM (JCEM). 2023;108(9):2184-2192
Long-term Outcomes Following Adolescent Metabolic and Bariatric Surgery
Beamish AJ; Ryan Harper E; Jarvholm K; Janson A; Olbers T
Editorial comment: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS. 2023;112(6):1140-1141
Unique Swedish data on young children's growth help to fill the gap identified by the World Health Organization
Janson A
Review: HORMONE RESEARCH IN PAEDIATRICS. 2023;96(6):609-619
Metabolic and Bariatric Surgery in Adolescents: For Whom, When, and How?
Janson A; Jarvholm K; Sjogren L; Dahlgren J; Beamish AJ; Gronowitz E; Olbers T
Editorial comment: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS. 2022;111(7):1296-1297
Sleeping it off? The value of sleep in children treated for obesity
Janson A
Editorial comment: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS. 2021;110(12):3151-3152
The growth of nations' children
Janson A
Editorial comment: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS. 2021;110:29-30
Gro Harlem Brundtland wrote about growth and puberty in Acta Paediatrica
Janson A
Editorial comment: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS. 2021;110(6):1718-1719
Will we return to the days of chance meetings at scientific conferences?
Janson A
Review: PLOS ONE. 2020;15(10):e0239683
Improving quality and use of routine health information system data in low- and middle-income countries: A scoping review
Lemma S; Janson A; Persson L-A; Wickremasinghe D; Kallestal C
Other: CLINICAL CASE REPORTS. 2019;7(7):1291-1296
Initial low-dose oral levothyroxine in a child with Down syndrome, myxedema, and cardiogenic shock
Janson A; Hallstrom C; Iversen M; Finder M; Elimam A; Nergardh R
Editorial comment: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS. 2007;96(6):781-786
Shed some light on darkness: will Tanzania reach the millennium development goals?
Janson A
Review: OBESITY REVIEWS. 2006;7(1):1-3
Prevalence of obesity in Sweden
Neovius M; Janson A; Rössner S
Thesis / dissertation: 1998
Presence of extrathyroidal TSH-receptor, with special reference to its role in neonatal regulation of lipolysis
Janson, Annika

Degrees and Education

Docent, Karolinska Institutet, 2021

About me

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