Jan Roar Mellembakken

  • Consultant; MD, PhD
  • +47 23 07 02 47

Publications 2021

Mellembakken JR, Mahmoudan A, Mørkrid L, Sundström-Poromaa I, Morin-Papunen L, Tapanainen JS, Piltonen TT, Hirschberg AL, Stener-Victorin E, Vanky E, Ravn P, Jensen RC, Andersen MS, Glintborg D (2021)
Higher blood pressure in normal weight women with PCOS compared to controls
Endocr Connect, 10 (2), 154-163
DOI 10.1530/EC-20-0527, PubMed 33416512

Publications 2019

Piltonen TT, Ruokojärvi M, Karro H, Kujanpää L, Morin-Papunen L, Tapanainen JS, Stener-Victorin E, Sundrström-Poromaa I, Hirschberg AL, Ravn P, Glintborg D, Mellembakken JR, Steingrimsdottir T, Gibson-Helm M, Vanky E, Andersen M, Arffman RK, Teede H, Falah-Hassani K (2019)
Awareness of polycystic ovary syndrome among obstetrician-gynecologists and endocrinologists in Northern Europe
PLoS One, 14 (12), e0226074
DOI 10.1371/journal.pone.0226074, PubMed 31877155

Publications 2018

Tanbo T, Mellembakken J, Bjercke S, Ring E, Åbyholm T, Fedorcsak P (2018)
Ovulation induction in polycystic ovary syndrome
Acta Obstet Gynecol Scand, 97 (10), 1162-1167
DOI 10.1111/aogs.13395, PubMed 29889977

Tanbo T, Mellembakken J, Bjercke S, Ring E, Åbyholm T, Fedorcsak P (2018)
Ovulation induction strategies in polycystic ovary syndrome
Acta Obstet Gynecol Scand, 98 (2), 263
DOI 10.1111/aogs.13461, PubMed 30199588

Publications 2017

Chan JL, Kar S, Vanky E, Morin-Papunen L, Piltonen T, Puurunen J, Tapanainen JS, Maciel GAR, Hayashida SAY, Soares JM, Baracat EC, Mellembakken JR, Dokras A (2017)
Racial and ethnic differences in the prevalence of metabolic syndrome and its components of metabolic syndrome in women with polycystic ovary syndrome: a regional cross-sectional study
Am J Obstet Gynecol, 217 (2), 189.e1-189.e8
DOI 10.1016/j.ajog.2017.04.007, PubMed 28400308

Pelanis R, Mellembakken JR, Sundström-Poromaa I, Ravn P, Morin-Papunen L, Tapanainen JS, Piltonen T, Puurunen J, Hirschberg AL, Fedorcsak P, Andersen M, Glintborg D (2017)
The prevalence of Type 2 diabetes is not increased in normal-weight women with PCOS
Hum Reprod, 32 (11), 2279-2286
DOI 10.1093/humrep/dex294, PubMed 29040530

Pinola P, Puukka K, Piltonen TT, Puurunen J, Vanky E, Sundström-Poromaa I, Stener-Victorin E, Lindén Hirschberg A, Ravn P, Skovsager Andersen M, Glintborg D, Mellembakken JR, Ruokonen A, Tapanainen JS, Morin-Papunen LC (2017)
Normo- and hyperandrogenic women with polycystic ovary syndrome exhibit an adverse metabolic profile through life
Fertil Steril, 107 (3), 788-795.e2
DOI 10.1016/j.fertnstert.2016.12.017, PubMed 28089571

Poromaa IS, Mellembakken JR, Morin-Papunen L, Piltonen T, Puurenen J, Tapanainen JS, Stener-Victorin E, Hirschberg AL, Vanky E, Ravn P, Glintborg D, Andersen M (2017)
Should we individualize lipid profiling in women with polycystic ovary syndrome?
Hum Reprod, 32 (4), 966
DOI 10.1093/humrep/dex009, PubMed 28175322

Publications 2016

Sundström Poromaa I, Mellembakken JR, Morin-Papunen L, Piltonen T, Puurunen J, Tapanainen JS, Stener-Victorin E, Hirschberg AL, Vanky E, Ravn P, Glintborg D, Andersen M (2016)
Should we individualize lipid profiling in women with polycystic ovary syndrome?
Hum Reprod, 31 (12), 2791-2795
DOI 10.1093/humrep/dew228, PubMed 27664213

Publications 2015

Johnson LK, Holven KB, Nordstrand N, Mellembakken JR, Tanbo T, Hjelmesæth J (2015)
Fructose content of low calorie diets: effect on cardiometabolic risk factors in obese women with polycystic ovarian syndrome: a randomized controlled trial
Endocr Connect, 4 (3), 144-54
DOI 10.1530/EC-15-0047, PubMed 26138702

Publications 2012

Opøien HK, Fedorcsak P, Omland AK, Abyholm T, Bjercke S, Ertzeid G, Oldereid N, Mellembakken JR, Tanbo T (2012)
In vitro fertilization is a successful treatment in endometriosis-associated infertility
Fertil Steril, 97 (4), 912-8
DOI 10.1016/j.fertnstert.2012.01.112, PubMed 22341637

Publications 2011

Kjøtrød SB, Carlsen SM, Rasmussen PE, Holst-Larsen T, Mellembakken J, Thurin-Kjellberg A, Haapaniemikouru K, Morin-Papunen L, Humaidan P, Sunde A, von Düring V (2011)
Use of metformin before and during assisted reproductive technology in non-obese young infertile women with polycystic ovary syndrome: a prospective, randomized, double-blind, multi-centre study
Hum Reprod, 26 (8), 2045-53
DOI 10.1093/humrep/der154, PubMed 21606131

Mellembakken JR, Berga SL, Kilen M, Tanbo TG, Abyholm T, Fedorcsák P (2011)
Sustained fertility from 22 to 41 years of age in women with polycystic ovarian syndrome
Hum Reprod, 26 (9), 2499-504
DOI 10.1093/humrep/der214, PubMed 21724569

Misceo D, Rødningen OK, Barøy T, Sorte H, Mellembakken JR, Strømme P, Fannemel M, Frengen E (2011)
A translocation between Xq21.33 and 22q13.33 causes an intragenic SHANK3 deletion in a woman with Phelan-McDermid syndrome and hypergonadotropic hypogonadism
Am J Med Genet A, 155A (2), 403-8
DOI 10.1002/ajmg.a.33798, PubMed 21271662

Publications 2010

Mellembakken JR, Engh V, Tanbo T, Czernobilsky B, Edelstein E, Lunde O, Roth LM (2010)
Mitotically active cellular luteinized thecoma of the ovary and luteinized thecomatosis associated with sclerosing peritonitis: case studies, comparison, and review of the literature
Pathol Res Pract, 206 (11), 744-8
DOI 10.1016/j.prp.2010.07.001, PubMed 20696537

Publications 2005

Hognestad A, Endresen K, Wergeland R, Mellembakken JR, Mollnes TE, Omland T, Kjekshus JK, Aukrust P, Andreassen AK (2005)
Inflammatory response and re-stenosis after percutaneous coronary intervention in heart transplant recipients and patients with native atherosclerosis
J Heart Lung Transplant, 24 (8), 1026-32
DOI 10.1016/j.healun.2004.07.018, PubMed 16102437

Publications 2002

Boursier L, Farstad IN, Mellembakken JR, Brandtzaeg P, Spencer J (2002)
IgVH gene analysis suggests that peritoneal B cells do not contribute to the gut immune system in man
Eur J Immunol, 32 (9), 2427-36
DOI 10.1002/1521-4141(200209)32:9<2427::AID-IMMU2427>3.0.CO;2-P, PubMed 12207327

Mellembakken J (2002)
Preeclampsia and inflammation: leukocyte, platelet and complement activation
Departments of Pediatric Research and Obstetrics and Gynecology, Department Group for Clinical Medicine, National Hospital, University of Oslo, Oslo, 1 b.
BIBSYS 02158656x, ISBN 82-8072-029-4

Mellembakken JR, Aukrust P, Olafsen MK, Ueland T, Hestdal K, Videm V (2002)
Activation of leukocytes during the uteroplacental passage in preeclampsia
Hypertension, 39 (1), 155-60
DOI 10.1161/hy0102.100778, PubMed 11799095

Publications 2001

Mellembakken JR, Aukrust P, Hestdal K, Ueland T, Abyholm T, Videm V (2001)
Chemokines and leukocyte activation in the fetal circulation during preeclampsia
Hypertension, 38 (3), 394-8
DOI 10.1161/01.hyp.38.3.394, PubMed 11566911

Mellembakken JR, Høgåsen K, Mollnes TE, Hack CE, Abyholm T, Videm V (2001)
Increased systemic activation of neutrophils but not complement in preeclampsia
Obstet Gynecol, 97 (3), 371-4
DOI 10.1016/s0029-7844(00)01179-0, PubMed 11239639

Mellembakken JR, Solum NO, Ueland T, Videm V, Aukrust P (2001)
Increased concentrations of soluble CD40 ligand, RANTES and GRO-alpha in preeclampsia--possible role of platelet activation
Thromb Haemost, 86 (5), 1272-6
PubMed 11816717

Publications 1997

Haugen G, Mellembakken J, Stray-Pedersen S (1997)
Characterization of the vasodilatatory response to serotonin in human umbilical arteries perfused in vitro. The influence of the endothelium
Early Hum Dev, 47 (2), 185-93
DOI 10.1016/s0378-3782(96)01778-1, PubMed 9039968

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