Johan Svartberg
Job description
Professor of Medicine
Chief, Section of Endocrinology, Division of Internal Medicine
University Hospital of North Norway
Jemma Hudson,
Moira Cruickshank,
Richard Quinton,
Lorna Aucott,
Frederick Wu,
Mathis Grossmann
et al.:
Symptomatic benefits of testosterone treatment in patient subgroups: a systematic review, individual participant data meta-analysis, and aggregate data meta-analysis
Jemma Hudson,
Moira Cruickshank,
Richard Quinton,
Lorna Aucott,
Magaly Aceves-Martins,
Katie Gillies
et al.:
Adverse cardiovascular events and mortality in men during testosterone treatment: an individual patient and aggregate data meta-analysis
Vilde Lehne Michalsen,
Sarah H. Wild,
Kirsti Kvaløy,
Johan Svartberg,
Marita Melhus,
Ann Ragnhild Broderstad
:
Obesity measures, metabolic health and their association with 15-year all-cause and cardiovascular mortality in the SAMINOR 1 Survey: a population-based cohort study
Daniel Eriksson,
Ellen Christine Røyrvik,
Maribel Aranda-Guillen,
Amund Holte Berger,
Nils Landegren,
Haydee Maribel Artaza Alvarez
et al.:
GWAS for autoimmune Addison's disease identifies multiple risk loci and highlights AIRE in disease susceptibility
Rolf Jorde,
Julia Magdalena Kubiak,
Johan Svartberg,
Ole-Martin Fuskevåg,
Yngve Anton Figenschau,
Ieva Martinaityte
et al.:
Vitamin
D
supplementation
has
no
e
ffect
on
cognitive
performance
after
four
months
in
mid-aged
and
older
subjects
Journal of the Neurological Sciences 2019 DOI
Vilde Lehne Michalsen,
Kirsti Kvaløy,
Johan Svartberg,
Susanna Ragnhild Siri,
Marita Melhus,
Ann Ragnhild Broderstad
:
Change in prevalence and severity of metabolic syndrome in the Sami and non-Sami population in rural Northern Norway using a repeated cross-sectional population-based study design: the SAMINOR Study
Ali Naseribafrouei,
Bent Martin Eliassen,
Marita Melhus,
Johan Svartberg,
Ann Ragnhild Broderstad
:
Estimated 8-year cumulative incidence of diabetes mellitus among Sami and non-Sami inhabitants of Northern Norway - The SAMINOR Study
Ali Naseribafrouei,
Bent-Martin Eliassen,
Marita Melhus,
Johan Svartberg,
Ann Ragnhild Broderstad
:
Prevalence of pre-diabetes and type 2 diabetes mellitus among Sami and non-Sami men and women in Northern Norway - The SAMINOR 2 Clinical Survey
Ali Naseribafrouei,
Bent-Martin Eliassen,
Marita Melhus,
Johan Svartberg,
Ann Ragnhild Broderstad
:
The prevalence of diabetes mellitus among Sami and non-Sami inhabitants of Northern Norway - The SAMINOR 1 Survey (2003-2004) and the SAMINOR 2 Clinical Survey (2012-2014)
Mette Selland,
Knut Bjøro Smeland,
Trine Bjøro,
Ragnhild Sørum Falk,
Sophie Dorothea Fosså,
Clara Gram Gjesdal
et al.:
Bone mineral density is close to normal for age in long-term lymphoma survivors treated with high-dose therapy with autologous stem cell transplantation
Acta Oncologica 2017 DOI
Gunhild Lerstad,
Ellen Elisabeth Brodin,
Johan Svartberg,
Rolf Jorde,
Jan Brox,
Sigrid Kufaas Brækkan
et al.:
Associations between serum levels of calcium, parathyroid hormone and future risk of venous thromboembolism: The Tromsø study
European Journal of Endocrinology (EJE) 2017 DOI
Åse Bjorvatn Sævik,
Anna Karin Åkerman,
Kaja Grønning,
Ingrid Nermoen,
Susanna Fonneland Valland,
Trine Elisabeth Finnes
et al.:
Clues for early detection of autoimmune Addison's disease - myths and realities
Rolf Jorde,
Stina Therese Sollid,
Johan Svartberg,
Ragnar Martin Joakimsen,
Guri Grimnes,
Moira Strand Hutchinson
:
Prevention of urinary tract infections with vitamin D supplementation 20,000 IU per week for five years. Results from an RCT including 511 subjects
Infectious Diseases 2016 DOI
Rolf Jorde,
Stina Therese Sollid,
Johan Svartberg,
Henrik Schirmer,
Ragnar Martin Joakimsen,
Inger Njølstad
et al.:
Vitamin D 20 000 IU per week for five years does not prevent progression from prediabetes to diabetes
Journal of Clinical Endocrinology and Metabolism (JCEM) 2016 DOI
Marianne Astor,
Kristian Løvås,
Aleksandra Debowska,
Erik Fink Eriksen,
Johan Arild Evang,
Jan Christian Fossum
et al.:
Epidemiology and health-related quality of life in hypoparathyroidism in Norway
Øyvind Bruserud,
Bergithe Eikeland Oftedal,
Nils Landegren,
Martina Moter Erichsen,
Eirik Bratland,
Kari Lima
et al.:
A longitudinal follow-up of autoimmune polyendocrine syndrome type 1
Else Marie Opsahl,
Michael Brauckhoff,
Ellen Schlichting,
Kristin Helset,
Johan Svartberg,
Katrin Brauckhoff
et al.:
A nationwide study of multiple endocrine neoplasia type 2A in Norway: predictive and prognostic factors for the clinical course of medullary thyroid carcinoma
Thyroid 2016 DOI
Gunhild Lerstad,
Kristin Fjeldstad Enga,
Rolf Jorde,
Ellen Elisabeth Brodin,
Johan Svartberg,
Sigrid Kufaas Brækkan
et al.:
Thyroid function, as assessed by TSH, and future risk of venous thromboembolism: The Tromsø study
Ragnhild Merckoll Helseth,
Sven Magnus Carlsen,
Jens Bollerslev,
Johan Svartberg,
Marianne Øksnes,
Svein Skeie
et al.:
Preoperative octreotide therapy and surgery in acromegaly: associations between glucose homeostasis and treatment response
Endocrine 2015 DOI
Rolf Jorde,
Henrik Schirmer,
Tom Wilsgaard,
Ragnar Martin Joakimsen,
Ellisiv B. Mathiesen,
Inger Njølstad
et al.:
The phosphodiesterase 8B Gene rs4704397 is associated with thyroid function, risk of myocardial infarction, and body height: The Tromsø study
Johan Svartberg,
Henrik Schirmer,
Tom Wilsgaard,
Ellisiv B. Mathiesen,
Inger Njølstad,
Maja-Lisa Løchen
et al.:
Single-nucleotide polymorphism, rs1799941 in the Sex Hormone-Binding Globulin (SHBG) gene, related to both serum testosterone and SHBG levels and the risk of myocardial infarction, type 2 diabetes, cancer and mortality in men: The Tromsø Study
Andrology 2014 DOI
Stina Therese Sollid,
Moira Strand Hutchinson,
Ole-Martin Fuskevåg,
Yngve Anton Figenschau,
Ragnar Martin Joakimsen,
Henrik Schirmer
et al.:
No effect of high-dose vitamin D supplementation on glycemic status or cardiovascular risk factors in subjects with prediabetes
Diabetes Care 2014 DOI
Stine Lyngvi Fougner,
Jens Bollerslev,
Johan Svartberg,
Marianne Øksnes,
John Cooper,
Sven Magnus Carlsen
:
Preoperative octreotide treatment of acromegaly: Long-term results of a randomised controlled trial
European Journal of Endocrinology (EJE) 2014 DOI
Carl Linnér,
Johan Svartberg,
Aleksander Giwercman,
Yvonne Lundberg Giwercman
:
Estrogen receptor alpha single nucleotide polymorphism as predictor of diabetes type 2 risk in hypogonadal men
The Aging Male 2013 DOI
Moira Strand Hutchinson,
Ragnar Martin Joakimsen,
Inger Njølstad,
Henrik Schirmer,
Yngve Anton Figenschau,
Johan Svartberg
et al.:
Effects of Age and Sex on Estimated Diabetes Prevalence Using Different Diagnostic Criteria: The Tromso OGTT Study
Ellen Elisabeth Brodin,
Gunhild Lerstad,
Guri Grimnes,
Sigrid Kufaas Brækkan,
Anders Vik,
Jan Brox
et al.:
Serum levels of vitamin D are not associated with future risk of venous thromboembolism The Tromso Study
Thrombosis and Haemostasis 2013 DOI
Allan Didriksen,
Guri Grimnes,
Moira Strand Hutchinson,
Marie Kjærgaard,
Johan Svartberg,
Ragnar Martin Joakimsen
et al.:
The serum 25-hydroxyvitamin D response to vitamin D supplementation is related to genetic factors, BMI, and baseline levels
European Journal of Endocrinology (EJE) 2013 DOI
Rolf Jorde,
Guri Grimnes,
Moira Strand Hutchinson,
Marie Kjærgaard,
Elena Kamycheva,
Johan Svartberg
:
Supplementation with Vitamin D Does not Increase Serum Testosterone Levels in Healthy Males
Hormone and Metabolic Research 2013 DOI
Gunhild Lerstad,
Ellen Elisabeth Brodin,
Kristin Enga,
Rolf Jorde,
Henrik Schirmer,
Inger Njølstad
et al.:
Hyperglycemia, assessed according to HbA1c, and future risk of venous thromboembolism: The Tromsø study
Rolf Jorde,
Johan Svartberg,
Ragnar Martin Joakimsen,
Dag-Hugo Coucheron
:
Plasma profile of microRNA after supplementation with high doses of vitamin D3 for 12 months
Josepha Elizabeth Joseph,
Johan Svartberg,
Inger Njølstad,
Henrik Schirmer
:
Change in cardiovascular risk factors in relation to diabetes status: the Tromso Study
European Journal of Cardiovascular Prevention & Rehabilitation 2012 DOI
Rolf Jorde,
Johan Svartberg,
Ragnar Martin Joakimsen,
Guri Grimnes
:
Associations between Polymorphisms Related to Calcium Metabolism and Human Height: The Tromso Study
Annals of Human Genetics 2012 DOI
Rolf Jorde,
Henrik Schirmer,
Tom Wilsgaard,
Ragnar Martin Joakimsen,
Ellisiv B. Mathiesen,
Inger Njølstad
et al.:
Polymorphisms Related to the Serum 25-Hydroxyvitamin D Level and Risk of Myocardial Infarction, Diabetes, Cancer and Mortality. The Tromsø Study
Ingrid Nermoen,
Ingeborg Brønstad,
Kristian J Fougner,
Johan Svartberg,
Marianne Øksnes,
Eystein Sverre Husebye
et al.:
Genetic, anthropometric and metabolic features of adult Norwegian patients with 21-hydroxylase deficiency
European Journal of Endocrinology (EJE) 2012 DOI
Marie Kjærgaard,
Knut Waterloo,
Catharina E. Wang,
Bjørg Almås,
Yngve Anton Figenschau,
Moira Strand Hutchinson
et al.:
Effect of vitamin D supplement on depression scores in people with low levels of serum 25-hydroxyvitamin D: nested case-control study and randomised clinical trial
British Journal of Psychiatry 2012 DOI
Sven Magnus Carlsen,
Johan Svartberg,
Thomas Schreiner,
Sylvi Aanderud,
Øivind Johannesen,
Svein Skeie
et al.:
Six-month preoperative octreotide treatment in unselected, de novo patients with acromegaly: effect on biochemistry, tumour volume, and postoperative cure
Clinical Endocrinology 2011 DOI
Josepha Elizabeth Joseph,
Johan Svartberg,
Inger Njølstad,
Henrik Schirmer
:
Risk factors for type 2 diabetes in groups stratified according to metabolic syndrome: a 10-year follow-up of The Tromso Study
Ingrid Nermoen,
Jarle Rørvik,
Stein Harald Holmedal,
Dan L Hykkerud,
Kristian J Fougner,
Johan Svartberg
et al.:
High frequency of adrenal myelolipomas and testicular adrenal rest tumours in adult Norwegian patients with classical congenital adrenal hyperplasia because of 21-hydroxylase deficiency
Clinical Endocrinology 2011 DOI
Ellen Elisabeth Brodin,
Torkel Vikan,
John-Bjarne Hansen,
Johan Svartberg
:
Testosterone, Hemostasis, and Cardiovascular Diseases in Men
Linnea Hergot Berglund,
Hanne Sandberg Prytz,
A Perski,
Johan Svartberg
:
Testosterone levels and psychological health status in men from a general population: the Tromsø study
The Aging Male 2011 DOI
Josepha Elizabeth Joseph,
Johan Svartberg,
Inger Njølstad,
Henrik Schirmer
:
Incidence of and risk factors for type-2 diabetes in a general population: The Tromso Study
H Nenonen,
C Bjørk,
Paal Andre Skjærpe,
A Giwercman,
L Rylander,
Johan Svartberg
et al.:
CAG repeat number is not inversely associated with androgen receptor activity in vitro
Molecular human reproduction 2010 DOI
Maria Anita Radtke,
Ingrid Nermoen,
Magnus Kollind,
Svein Skeie,
Jan Inge Sørheim,
Johan Svartberg
et al.:
Six Months of Diazoxide Treatment at Bedtime in Newly Diagnosed Subjects With Type 1 Diabetes Does Not Influence Parameters of beta-Cell Function and Autoimmunity but Improves Glycemic Control
Paal Andre Skjærpe,
Y Lundberg Giwercman,
A Giwercman,
Johan Svartberg
:
Androgen receptor gene polymorphism and the metabolic syndrome in 60-80 years old Norwegian men
International Journal of Andrology 2010 DOI
Guri Grimnes,
Johan Svartberg,
Ragnar Martin Joakimsen,
Ina Beate Olsen,
Gunnar Oltmanns,
Eirik Kjus Aahlin
et al.:
Mann i 60-årene med tungpustethet og ødemer
Tidsskrift for Den norske legeforening (Tidsskriftet) 08. September 2020 DOI
Vilde Lehne Michalsen,
Kirsti Kvaløy,
Johan Svartberg,
Marita Melhus,
Ann Ragnhild Broderstad
:
Change in prevalence and severity of metabolic syndrome in two ethnic groups in the rural Northern Norway – the SAMINOR Study
2018
Vilde Lehne Michalsen,
Kirsti Kvaløy,
Johan Svartberg,
Marita Melhus,
Ann Ragnhild Broderstad
:
Prevalence of metabolic syndrome in a multiethnic, rural population in Northern-Norway - The SAMINOR Study
2018
Ali Naseribafrouei,
Bent-Martin Eliassen,
Marita Melhus,
Johan Svartberg,
Ann Ragnhild Broderstad
:
Prevalence of pre-diabetes and type 2 diabetes mellitus among Sami and non-Sami men and women in Northern Norway- The Saminor 2 Clinical Survey
2017
Ali Naseribafrouei,
Bent-Martin Eliassen,
Marita Melhus,
Johan Svartberg,
Ann Ragnhild Broderstad
:
The prevalence of diabetes mellitus among Sami compared to non-Sami inhabitants in Northern Norway at two time points, the SAMINOR 1 Survey (2003-2004) and the SAMINOR 2 Clinical Survey (2012-2014).
2017
Ellen Elisabeth Brodin,
Gunhild Lerstad,
Guri Grimnes,
Sigrid Kufaas Brækkan,
Johan Svartberg,
Rolf Jorde
et al.:
Serum levels of vitamin D is not associated with future risk of venous thromboembolism-the Tromso Study
Thrombosis Research 2012 DOI
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Research interests
Clinical and epidemiologic andrology (hypogonadism and the aging male), and several projects in the fields of endocrinology and diabetes.