Publications 2023

Pereira MP, Weisshaar E, Halvorsen JA, Wallengren J, Legat FJ, Garcovich S, Savk E, Reich A, Bozek A, Lvov A, Bobko S, Metz M, Streit M, Misery L, Brenaut E, Serra-Baldrich E, Gonçalo M, Szepietowski JC, Augustin M, Nau T, Zeidler C, Ständer S (2023)
Chronic prurigo: Insufficient disease control in spite of high healthcare usage
J Eur Acad Dermatol Venereol, 37 (6), e808-e812
DOI 10.1111/jdv.18903, PubMed 36682045

Publications 2022

Mohn CH, Blix HS, Brænd AM, Nafstad P, Nygard S, Halvorsen JA (2022)
Treatment Patterns of Atopic Dermatitis Medication in 0-10-Year-Olds: A Nationwide Prescription-Based Study
Dermatol Ther (Heidelb), 12 (7), 1639-1657
DOI 10.1007/s13555-022-00754-6, PubMed 35764870

Publications 2021

Pereira MP, Zeidler C, Wallengren J, Halvorsen JA, Weisshaar E, Garcovich S, Misery L, Brenaut E, Şavk E, Potekaev N, Lvov A, Bobko S, Szepietowski JC, Reich A, Bozek A, Legat FJ, Metz M, Streit M, Serra-Baldrich E, Gonçalo M, Storck M, Nau T, Hoffmann V, Steinke S, Greiwe I et al. (2021)
Chronic Nodular Prurigo: A European Cross-sectional Study of Patient Perspectives on Therapeutic Goals and Satisfaction
Acta Derm Venereol, 101 (2), adv00403
DOI 10.2340/00015555-3726, PubMed 33320272

Publications 2020

Altunay IK, Özkur E, Dalgard FJ, Gieler U, Tomas Aragones L, Lien L, Poot F, Jemec GB, Misery L, Szabó C, Linder D, Sampogna F, Evers AWM, Halvorsen JA, Balieva F, Szepietowski JC, Romanov DV, Marron SE, Finlay AY, Salek S, Kupfer J (2020)
Psychosocial Aspects of Adult Acne: Data from 13 European Countries
Acta Derm Venereol, 100 (4), adv00051
DOI 10.2340/00015555-3409, PubMed 31993670

Sampogna F, Abeni D, Gieler U, Tomas Aragones L, Lien L, Poot F, Jemec GBE, Szabó C, Linder D, van Middendorp H, Halvorsen JA, Balieva F, Szepietowski JC, Romanov DV, Marron SE, Altunay IK, Finlay AY, Salek SS, Kupfer J, Misery L, Dalgard FJ (2020)
Exploring the EQ-5D Dimension of Pain/Discomfort in Dermatology Outpatients from a Multicentre Study in 13 European Countries
Acta Derm Venereol, 100 (8), adv00120
DOI 10.2340/00015555-3477, PubMed 32250441

Publications 2019

Dalgard FJ, Svensson Å, Halvorsen JA, Gieler U, Schut C, Tomas-Aragones L, Lien L, Poot F, Jemec GBE, Misery L, Szabo C, Linder D, Sampogna F, Koulil SS, Balieva F, Szepietowski JC, Lvov A, Marron SE, Altunay IK, Finlay AY, Salek S, Kupfer J (2019)
Itch and Mental Health in Dermatological Patients across Europe: A Cross-Sectional Study in 13 Countries
J Invest Dermatol, 140 (3), 568-573
DOI 10.1016/j.jid.2019.05.034, PubMed 31491369

Schut C, Dalgard FJ, Halvorsen JA, Gieler U, Lien L, Aragones LT, Poot F, Jemec GBE, Misery L, Kemény L, Sampogna F, van Middendorp H, Balieva F, Linder D, Szepietowski JC, Lvov A, Marron SE, Altunay IK, Finlay AY, Salek S, Kupfer J (2019)
Occurrence, Chronicity and Intensity of Itch in a Clinical Consecutive Sample of Patients with Skin Diseases: A Multi-centre Study in 13 European Countries
Acta Derm Venereol, 99 (2), 146-151
DOI 10.2340/00015555-3040, PubMed 30226526

Publications 2018

Balieva FN, Finlay AY, Kupfer J, Aragones LT, Lien L, Gieler U, Poot F, Jemec GBE, Misery L, Kemeny L, Sampogna F, van Middendorp H, Halvorsen JA, Ternowitz T, Szepietowski JC, Potekaev N, Marron SE, Altunay IK, Salek SS, Dalgard FJ (2018)
The Role of Therapy in Impairing Quality of Life in Dermatological Patients: A Multinational Study
Acta Derm Venereol, 98 (6), 563-569
DOI 10.2340/00015555-2918, PubMed 29507999

Dalgard FJ, Svensson Å, Gieler U, Tomas-Aragones L, Lien L, Poot F, Jemec GBE, Misery L, Szabo C, Linder D, Sampogna F, Evers AWM, Halvorsen JA, Balieva F, Szepietowski J, Lvov A, Marron SE, Alturnay IK, Finlay AY, Salek SS, Kupfer J (2018)
Dermatologists across Europe underestimate depression and anxiety: results from 3635 dermatological consultations
Br J Dermatol, 179 (2), 464-470
DOI 10.1111/bjd.16250, PubMed 29247454

Marron SE, Tomas-Aragones L, Navarro-Lopez J, Gieler U, Kupfer J, Dalgard FJ, Lien L, Finlay AY, Poot F, Linder D, Szepietowski JC, Misery L, Jemec GBE, Romanov D, Sampogna F, Szabo C, Altunay IK, Spillekom-van Koulil S, Balieva F, Ali FM, Halvorsen JA, Marijuan PC (2018)
The psychosocial burden of hand eczema: Data from a European dermatological multicentre study
Contact Dermatitis, 78 (6), 406-412
DOI 10.1111/cod.12973, PubMed 29464713

Mohn CH, Blix HS, Halvorsen JA, Nafstad P, Valberg M, Lagerløv P (2018)
Incidence Trends of Atopic Dermatitis in Infancy and Early Childhood in a Nationwide Prescription Registry Study in Norway
JAMA Netw Open, 1 (7), e184145
DOI 10.1001/jamanetworkopen.2018.4145, PubMed 30646341

Publications 2017

Eskeland S, Halvorsen JA, Tanum L (2017)
Antidepressants have Anti-inflammatory Effects that may be Relevant to Dermatology: A Systematic Review
Acta Derm Venereol, 97 (8), 897-905
DOI 10.2340/00015555-2702, PubMed 28512664

Lesner K, Reich A, Szepietowski JC, Dalgard FJ, Gieler U, Tomas-Aragones L, Lien L, Poot F, Jemec GB, Misery L, Szabó C, Linder D, Sampogna F, Evers AWM, Halvorsen JA, Balieva F, Lvov A, Marron SE, Altunay IK, Finlay AY, Salek SS, Kupfer J (2017)
Determinants of Psychosocial Health in Psoriatic Patients: A Multi-national Study
Acta Derm Venereol, 97 (10), 1182-1188
DOI 10.2340/00015555-2760, PubMed 28795763

Pereira MP, Steinke S, Zeidler C, Forner C, Riepe C, Augustin M, Bobko S, Dalgard F, Elberling J, Garcovich S, Gieler U, Gonçalo M, Halvorsen JA, Leslie TA, Metz M, Reich A, Şavk E, Schneider G, Serra-Baldrich E, Ständer HF, Streit M, Wallengren J, Weller K, Wollenberg A, Bruland P et al. (2017)
European academy of dermatology and venereology European prurigo project: expert consensus on the definition, classification and terminology of chronic prurigo
J Eur Acad Dermatol Venereol, 32 (7), 1059-1065
DOI 10.1111/jdv.14570, PubMed 28857299

Sampogna F, Abeni D, Gieler U, Tomas-Aragones L, Lien L, Titeca G, Jemec GB, Misery L, Szabó C, Linder MD, Evers AW, Halvorsen JA, Balieva F, Szepietowski JC, Romanov DV, Marron SE, Altunay IK, Finlay AY, Salek SS, Kupfer J, Dalgard F (2017)
Impairment of Sexual Life in 3,485 Dermatological Outpatients From a Multicentre Study in 13 European Countries
Acta Derm Venereol, 97 (4), 478-482
DOI 10.2340/00015555-2561, PubMed 27819713

Szabó C, Altmayer A, Lien L, Poot F, Gieler U, Tomas-Aragones L, Kupfer J, Jemec GBE, Misery L, Linder MD, Sampogna F, van Middendorp H, Halvorsen JA, Balieva F, Szepietowski JC, Romanov D, Marron SE, Altunay IK, Finlay AY, Salek SS, Dalgard F (2017)
Attachment Styles of Dermatological Patients in Europe: A Multi-centre Study in 13 Countries
Acta Derm Venereol, 97 (7), 813-818
DOI 10.2340/00015555-2619, PubMed 28119999

Publications 2016

Balieva F, Lien L, Kupfer J, Halvorsen JA, Dalgard F (2016)
Are Common Skin Diseases among Norwegian Dermatological Outpatients Associated with Psychological Problems Compared with Controls? An Observational Study
Acta Derm Venereol, 96 (2), 227-31
DOI 10.2340/00015555-2200, PubMed 26258955

Rizvi SM, Halvorsen JA, Helsing P (2016)
[An unusual sports injury]
Tidsskr Nor Laegeforen, 136 (21), 1814
DOI 10.4045/tidsskr.16.0112, PubMed 27883105

Publications 2015

Halvorsen JA, Ørstavik K (2015)
[A woman in her 60s with itching arms]
Tidsskr Nor Laegeforen, 135 (16), 1459-61
DOI 10.4045/tidsskr.15.0223, PubMed 26356457

Halvorsen JA, Ørstavik K (2015)
[J.A. Halvorsen & K. Ørstavik reply]
Tidsskr Nor Laegeforen, 135 (20), 1816
DOI 10.4045/tidsskr.15.1077, PubMed 26534802

Halvorsen JA, Aasebø W (2015)
Oral tacrolimus treatment of pruritus in prurigo nodularis
Acta Derm Venereol, 95 (7), 866-7
DOI 10.2340/00015555-2107, PubMed 25804254

Zeratsion H, Bjertness CB, Bjertness E, Dalsklev M, Haavet OR, Halvorsen JA, Lien L, Claussen B (2015)
The Influence of Parental Divorce on Educational Ambitions of 18/19 Year-Old Adolescents from Oslo, Norway
J Child Fam Stud, 24 (10), 2865-2873
DOI 10.1007/s10826-014-0090-6, PubMed 26379414

Publications 2014

Dalgard FJ, Gieler U, Tomas-Aragones L, Lien L, Poot F, Jemec GBE, Misery L, Szabo C, Linder D, Sampogna F, Evers AWM, Halvorsen JA, Balieva F, Szepietowski J, Romanov D, Marron SE, Altunay IK, Finlay AY, Salek SS, Kupfer J (2014)
The psychological burden of skin diseases: a cross-sectional multicenter study among dermatological out-patients in 13 European countries
J Invest Dermatol, 135 (4), 984-991
DOI 10.1038/jid.2014.530, PubMed 25521458

Halvorsen JA, Lien L, Dalgard F, Bjertness E, Stern RS (2014)
Suicidal ideation, mental health problems, and social function in adolescents with eczema: a population-based study
J Invest Dermatol, 134 (7), 1847-1854
DOI 10.1038/jid.2014.70, PubMed 24496238

Zeratsion H, Bjertness CB, Lien L, Haavet OR, Dalsklev M, Halvorsen JA, Bjertness E, Claussen B (2014)
Does Parental Divorce Increase Risk Behaviors among 15/16 and 18/19 year-old Adolescents? A Study from Oslo, Norway
Clin Pract Epidemiol Ment Health, 10, 29-66
DOI 10.2174/1745017901410010059, PubMed 25006342

Publications 2013

Zeratsion H, Dalsklev M, Bjertness E, Lien L, Haavet OR, Halvorsen JA, Bjertness CB, Claussen B (2013)
Parental divorce in late adolescence does not seem to increase mental health problems: a population study from Norway
BMC Public Health, 13, 413
DOI 10.1186/1471-2458-13-413, PubMed 23631712

Publications 2012

Halvorsen JA, Dalgard F, Thoresen M, Bjertness E, Lien L (2012)
Itch and pain in adolescents are associated with suicidal ideation: a population-based cross-sectional study
Acta Derm Venereol, 92 (5), 543-6
DOI 10.2340/00015555-1251, PubMed 22068440

Halvorsen JA, Vleugels RA, Bjertness E, Lien L (2012)
A population-based study of acne and body mass index in adolescents
Arch Dermatol, 148 (1), 131-2
DOI 10.1001/archderm.148.1.131, PubMed 22250253

Lien L, Halvorsen JA, Haavet OR, Dalgard F (2012)
The relation of early experienced negative life events and current itch. A longitudinal study among adolescents in Oslo, Norway
J Psychosom Res, 72 (3), 226-9
DOI 10.1016/j.jpsychores.2011.12.001, PubMed 22325703

Publications 2011

Halvorsen JA (2011)
Acne and psychosocial problems: cross-sectional epidemiological studies among adolescents
In Series of dissertations submitted to the Faculty of Medicine, University of Oslo, Unipub, Oslo, no. 1172, 1 b. (flere pag.)
BIBSYS 114193029, ISBN 978-82-8264-163-0

Publications 2010

Halvorsen JA, Stern RS, Dalgard F, Thoresen M, Bjertness E, Lien L (2010)
Suicidal ideation, mental health problems, and social impairment are increased in adolescents with acne: a population-based study
J Invest Dermatol, 131 (2), 363-70
DOI 10.1038/jid.2010.264, PubMed 20844551

Publications 2009

Halvorsen JA, Dalgard F, Thoresen M, Bjertness E, Lien L (2009)
Is the association between acne and mental distress influenced by diet? Results from a cross-sectional population study among 3775 late adolescents in Oslo, Norway
BMC Public Health, 9, 340
DOI 10.1186/1471-2458-9-340, PubMed 19758425

Halvorsen JA, Dalgard F, Thoresen M, Thoresen M, Bjertness E, Lien L (2009)
Itch and mental distress: a cross-sectional study among late adolescents
Acta Derm Venereol, 89 (1), 39-44
DOI 10.2340/00015555-0554, PubMed 19197540

Publications 2008

Halvorsen JA, Braae Olesen A, Thoresen M, Holm JØ, Bjertness E, Dalgard F (2008)
Comparison of self-reported skin complaints with objective skin signs among adolescents
Acta Derm Venereol, 88 (6), 573-7
DOI 10.2340/00015555-0505, PubMed 19002341

Publications 2006

Halvorsen JA, Brevig T, Aas T, Skar AG, Slevolden EM, Moi H (2006)
Genital ulcers as initial manifestation of Epstein-Barr virus infection: two new cases and a review of the literature
Acta Derm Venereol, 86 (5), 439-42
DOI 10.2340/00015555-0140, PubMed 16955191