A sensitive, simple and robust LC–MS/MS method for the simultaneous quantification of seven androgen- and estrogen-related steroids in postmenopausal serum

Yuyong Ke, Jonathan Bertin, Renaud Gonthier, +2

The Journal of Steroid Biochemistry and Molecular Biology

UrologyGynecologyAromataseMenopauseMenopause Hormone Therapy +7

Serum steroid concentrations remain within normal postmenopausal values in women receiving daily 6.5 mg intravaginal prasterone for 12 weeks

Céline Martel, Fernand Labrie, David F. Archer, +8

The Journal of Steroid Biochemistry and Molecular Biology

Normal Postmenopausal ValuesHormonal ContraceptiveMg Intravaginal PrasteroneMedicineGynecology +6

Characteristics of Men Who Report Persistent Sexual Symptoms After Finasteride Use for Hair Loss

Shehzad Basaria, Ravi Jasuja, Grace Huang, +16

The Journal of Clinical Endocrinology & Metabolism

Validated LC–MS/MS simultaneous assay of five sex steroid/neurosteroid-related sulfates in human serum

Alain Y. Dury, Yuyong Ke, Renaud Gonthier, +3

The Journal of Steroid Biochemistry and Molecular Biology

Sex Steroid/neurosteroid-related SulfatesMedicineBioanalysisMass SpectrometryGynecology +8

A rapid and sensitive UPLC–MS/MS method for the simultaneous quantification of serum androsterone glucuronide, etiocholanolone glucuronide, and androstan-3α, 17β diol 17-glucuronide in postmenopausal women

Yuyong Ke, Renaud Gonthier, Maxim Isabelle, +4

The Journal of Steroid Biochemistry and Molecular Biology

Sensitive Uplc–ms/ms MethodMenopause Hormone TherapyMenopauseSerum Androsterone GlucuronidePostreproductive Health +6

Serum levels of sex steroids and metabolites following 12 weeks of intravaginal 0.50% DHEA administration

Yuyong Ke, Fernand Labrie, Renaud Gonthier, +9

The Journal of Steroid Biochemistry and Molecular Biology

Hormonal ContraceptiveUrologySex SteroidsIntravaginal 0.50Women's Health +7

Serum steroids remain within the same normal postmenopausal values during 12-month intravaginal 0.50% DHEA

Yuyong Ke, Renaud Gonthier, Jean-Nicolas Simard, +5

Hormone Molecular Biology and Clinical Investigation

Interlaboratory comparison of 25-hydroxyvitamin D assays: Vitamin D Standardization Program (VDSP) Intercomparison Study 2 — Part 1 liquid chromatography – tandem mass spectrometry (LC-MS/MS) assays — impact of 3-epi-25-hydroxyvitamin D3 on assay performance

Stephen A. Wise, Johanna E Camara, Carolyn Q Burdette, +25

Analytical and Bioanalytical Chemistry

BioanalysisMass Spectrometry3-Epi-25-hydroxyvitamin D3Analytical ChemistryClinical Chemistry +4

Why both LC–MS/MS and FDA-compliant validation are essential for accurate estrogen assays?

Fernand Labrie, Yuyong Ke, Renaud Gonthier, +1

The Journal of Steroid Biochemistry and Molecular Biology

Cancer DetectionMedicineFda-compliant ValidationClinical TrialsGynecology +4

Assessment of serum total 25-hydroxyvitamin D assay commutability of Standard Reference Materials and College of American Pathologists Accuracy-Based Vitamin D (ABVD) Scheme and Vitamin D External Quality Assessment Scheme (DEQAS) materials: Vitamin D Standardization Program (VDSP) Commutability Study 2

Johanna E Camara, Stephen A. Wise, Andrew N. Hoofnagle, +47

Analytical and Bioanalytical Chemistry

MedicineCommutability Study 2Clinical ChemistryStandard Reference Materials