Simon Steinar Hustad's picture

Simon Steinar Hustad

Guest Researcher
  • E-mailsteinar.hustad@uib.no
  • Visitor Address
    Haukeland universitetssykehus, Laboratoriebygget
    5009 Bergen
  • Postal Address
    Postboks 7804
    5020 Bergen
Academic article
  • Show author(s) (2023). Presurgical Oral Tamoxifen vs Transdermal 4-Hydroxytamoxifen in Women with Ductal Carcinoma in Situ: A Randomized Clinical Trial. JAMA Surgery. 1265-1273.
  • Show author(s) (2022). Steroidogenic factor 1 (NR5A1) induces multiple transcriptional changes during differentiation of human gonadal-like cells. Differentiation. 83-100.
  • Show author(s) (2022). Lifelong exposure to residential greenspace and the premenstrual syndrome: A population-based study of Northern European women. Environment International. 7 pages.
  • Show author(s) (2022). Female sex hormones and symptoms of obstructive sleep apnea in European women of a population-based cohort. PLOS ONE. 13 pages.
  • Show author(s) (2022). Estradiol Valerate vs Ethinylestradiol in Combined Oral Contraceptives: Effects on the Pituitary-Ovarian Axis. Journal of Clinical Endocrinology and Metabolism (JCEM). e3008-e3017.
  • Show author(s) (2022). Effects of estradiol- and ethinylestradiol-based contraceptives on adrenal steroids: A randomized trial. Contraception. 59-65.
  • Show author(s) (2021). Ultraviolet radiation as a predictor of sex hormone levels in postmenopausal women: A European multi-center study (ECRHS). Maturitas. 49-55.
  • Show author(s) (2021). Childhood lung function as a determinant of menopause-dependent lung function decline. Maturitas. 41-47.
  • Show author(s) (2021). Brain reactivity during aggressive response in women with premenstrual dysphoric disorder treated with a selective progesterone receptor modulator. Neuropsychopharmacology. 1460-1467.
  • Show author(s) (2021). Association of CYP2D6 genotype and tamoxifen metabolites with breast cancer recurrence in a low-dose trial. NPJ breast cancer. 1-34.
  • Show author(s) (2020). Low Z-4OHtam concentrations are associated with adverse clinical outcome among early stage premenopausal breast cancer patients treated with adjuvant tamoxifen. Molecular Oncology. 11 pages.
  • Show author(s) (2020). First-in-human pharmacokinetics of tamoxifen and its metabolites in the milk of a lactating mother: A case study. ESMO Open. 1-5.
  • Show author(s) (2020). Describing the status of reproductive ageing simply and precisely: A reproductive ageing score based on three questions and validated with hormone levels. PLOS ONE.
  • Show author(s) (2019). Residential surrounding greenspace and age at menopause: A 20-year European study (ECRHS). Environment International. 1-7.
  • Show author(s) (2019). Exogenous female sex steroids may reduce lung ageing after menopause: A 20-year follow-up study of a general population sample (ECRHS). Maturitas. 29-34.
  • Show author(s) (2019). Drug monitoring of tamoxifen metabolites predicts vaginal dryness and verifies a low discontinuation rate from the Norwegian Prescription Database. Breast Cancer Research and Treatment. 185-195.
  • Show author(s) (2019). Circulating antimullerian hormone and steroid hormone levels remain high in pregnant women with polycystic ovary syndrome at term. Fertility and Sterility. 588-596.e1.
  • Show author(s) (2017). Serum concentrations of active tamoxifen metabolites predict long-term survival in adjuvantly treated breast cancer patients. Breast Cancer Research.
  • Show author(s) (2017). Ratios of one-carbon metabolites are functional markers of B-vitamin status in a Norwegian coronary angiography screening cohort. Journal of Nutrition. 1167-1173.
  • Show author(s) (2017). Menopause is associated with accelerated lung function decline. American Journal of Respiratory and Critical Care Medicine. 1058-1065.
  • Show author(s) (2016). Menopause as a predictor of new-onset asthma: A longitudinal Northern European population study. Journal of Allergy and Clinical Immunology. 50-57.e6.
  • Show author(s) (2015). Circulating B-vitamins and smoking habits are associated with serum polyunsaturated fatty acids in patients with suspected coronary heart disease: A cross-sectional study. PLOS ONE. 14 pages.
  • Show author(s) (2015). Circadian hormone profiles and insulin sensitivity in patients with Addison's disease: a comparison of continuous subcutaneous hydrocortisone infusion with conventional glucocorticoid replacement therapy. Clinical Endocrinology. 28-35.
  • Show author(s) (2014). Vitamins B2 and B6 as determinants of kynurenines and related markers of interferon-gamma-mediated immune activation in the community-based Hordaland health study. British Journal of Nutrition. 1065-1072.
  • Show author(s) (2013). North-south gradients in plasma concentrations of B-vitamins and other components of one-carbon metabolism in Western Europe: results from the European Prospective Investigation into Cancer and Nutrition (EPIC) Study. British Journal of Nutrition. 363-374.
  • Show author(s) (2013). Multisteroid LC-MS/MS assay for glucocorticoids and androgens, and its application in Addison’s disease. Endocrine Connections. 125-136.
  • Show author(s) (2012). The effects of selective serotonin reuptake inhibitors on platelet function in whole blood and platelet concentrates. Platelets. 299-308.
  • Show author(s) (2012). Kinetic modeling of storage ffects on biomarkers related to B vitamin status and one-carbon metabolism. Clinical Chemistry. 402-410.
  • Show author(s) (2011). Grapefruit juice and licorice increase cortisol availability in patients with Addison's disease. European Journal of Endocrinology (EJE). 761-769.
  • Show author(s) (2010). Vitamins B2 and B6 and Genetic Polymorphisms Related to One-Carbon Metabolism as Risk Factors for Gastric Adenocarcinoma in the European Prospective Investigation into Cancer and Nutrition. Cancer Epidemiology, Biomarkers and Prevention. 28-38.
  • Show author(s) (2010). Seasonal and age-related differences in serum 25-hydroxyvitamin D, 1,25-dihydroxyvitamin D and parathyroid hormone in patients from Western Norway. Scandinavian Journal of Clinical and Laboratory Investigation. 281-286.
  • Show author(s) (2010). Plasma vitamins B2, B6, and B12, and related genetic variants as predictors of colorectal cancer risk. Cancer Epidemiology, Biomarkers and Prevention. 2549-2561.
  • Show author(s) (2010). Long- and short-term effects of tobacco smoking on circulating concentrations of B vitamins. Clinical Chemistry. 755-763.
  • Show author(s) (2010). Analytical Recovery of Folate and Its Degradation Products in Human Serum Stored at-25 degrees C for up to 29 Years. Journal of Nutrition. 522-526.
  • Show author(s) (2009). Quantitative profiling of biomarkers related to B-vitamin status, tryptophan metabolism and inflammation in human plasma by liquid chromatography/tandem mass spectrometry. Rapid Communications in Mass Spectrometry. 1371-1379.
  • Show author(s) (2009). Analytical Recovery of Folate Degradation Products Formed in Human Serum and Plasma at Room Temperature. Journal of Nutrition. 1415-1418.
  • Show author(s) (2007). The methylenetetrahydrofolate reductase 677C -> T polymorphism as a modulator of a B vitamin network with major effects on homocysteine metabolism. American Journal of Human Genetics. 846-855.
  • Show author(s) (2007). Quantitative profiling of folate and one-carbon metabolism in large-scale epidemiological studies by mass spectrometry. Clinical Chemistry and Laboratory Medicine. 1737-1745.
  • Show author(s) (2007). Plasma vitamin B-6 forms and their relation to transsulfuration metabolites in a large, population-based study. American Journal of Clinical Nutrition. 131-138.
  • Show author(s) (2007). Modulation of the homocysteine-betaine relationship by methylenetetrahydrofolate reductase 677 C-> T genotypes and B-vitamin status in a large-scale epidemiological study. Journal of Clinical Endocrinology and Metabolism (JCEM). 1535-1541.
  • Show author(s) (2005). Multianalyte quantification of vitamin B-6 and B-2 species in the nanomolar range in human plasma by liquid chromatography - Tandem mass spectrometry. Clinical Chemistry. 1206-1216.
  • Show author(s) (2005). Betaine: a key modulator of one-carbon metabolism and homocysteine status. Clinical Chemistry and Laboratory Medicine. 1069-1075.
  • Show author(s) (2004). Phenotypic expression of the methylenetetrahydrofolate reductase 677C->T polymorphism and flavine cofactor availability in thyroid dysfunction. American Journal of Clinical Nutrition. 1050-1057.
  • Show author(s) (2000). Riboflavin as a determinant og plasma total homocysteine: effect modification by the methylenetetrahydrofolate reductase C677T polymorphism. Clinical Chemistry. 1065-1071.
  • Show author(s) (1999). Quantification of riboflavin, flavin mononucleotide, and flavin adenine dinucleotide in human plasma by capillary electrophoresis and laser-induced fluorescence detection. Clinical Chemistry. 862-868.
Academic lecture
  • Show author(s) (2007). A high-throughput method for quantification of riboflavin, vitamin B6 forms, related metabolites and inflammation markers in human plasma by HPLC-MS/MS.
  • Show author(s) (2005). B vitamins as determinants of plasma homocysteine in subjects with different MTHFR 677C>T genotypes.
  • Show author(s) (2004). Riboflavin, FMN and FAD in plasma and erythrocytes: data assessment.
  • Show author(s) (2008). Homocysteine and folate status in an era of folic acid fortification: Balancing benefits, risks, and B-vitamins. Clinical Chemistry. 779-781.
Doctoral dissertation
  • Show author(s) (2005). Assessment of Riboflavin Status in Humans: Method Development and Clinical Studies.
Academic chapter/article/Conference paper
  • Show author(s) (2004). Riboflavin and methylenetetrahydrofolate reductase. 7 pages.
Academic literature review
  • Show author(s) (2007). Review: Quantitative profiling of folate and one-carbon metabolism in large-scale epidemiological studies by mass spectrometry. Clinical Chemistry and Laboratory Medicine. 1737-1745.

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