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Liao Y, Sun Y, Guo J, Kang Z, Sun Y, Zhang Y, He J, Huang C, Sun X, Zhang JM, Wang J, Wang HN, Chen ZY, Wang K, Pan J, Ni AH, Weng S, Wang A, Cao C, Sun L, Zhang Y, Kuang L, Zhang Y, Liu Z, Yue W. Dose adjustment of paroxetine based on CYP2D6 activity score inferred metabolizer status in Chinese Han patients with depressive or anxiety disorders: a prospective study and cross-ethnic meta-analysis. EBioMedicine 2024; 104:105165. [PMID: 38776596 PMCID: PMC11141156 DOI: 10.1016/j.ebiom.2024.105165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 04/25/2024] [Accepted: 05/07/2024] [Indexed: 05/25/2024] Open
Abstract
BACKGROUND Understanding the impact of CYP2D6 metabolism on paroxetine, a widely used antidepressant, is essential for precision dosing. METHODS We conducted an 8-week, multi-center, single-drug, 2-week wash period prospective cohort study in 921 Chinese Han patients with depressive or anxiety disorders (ChiCTR2000038462). We performed CYP2D6 genotyping (single nucleotide variant and copy number variant) to derive the CYP2D6 activity score and evaluated paroxetine treatment outcomes including steady-state concentration, treatment efficacy, and adverse reaction. CYP2D6 metabolizer status was categorized into poor metabolizers (PMs), intermediate metabolizers (IMs), extensive metabolizers (EMs), and ultrarapid metabolizers (UMs). The influence of CYP2D6 metabolic phenotype on paroxetine treatment outcomes was examined using multiple regression analysis and cross-ethnic meta-analysis. The therapeutic reference range of paroxetine was estimated by receiver operating characteristic (ROC) analyses. FINDINGS After adjusting for demographic factors, the steady-state concentrations of paroxetine in PMs, IMs, and UMs were 2.50, 1.12, and 0.39 times that of EMs, with PM and UM effects being statistically significant (multiple linear regression, P = 0.03 and P = 0.04). Sex and ethnicity influenced the comparison between IMs and EMs. Moreover, poor efficacy of paroxetine was associated with UM, and a higher risk of developing adverse reactions was associated with lower CYP2D6 activity score. Lastly, cross-ethnic meta-analysis suggested dose adjustments for PMs, IMs, EMs, and UMs in the East Asian population to be 35%, 40%, 143%, and 241% of the manufacturer's recommended dose, and 62%, 68%, 131%, and 159% in the non-East Asian population. INTERPRETATION Our findings advocate for precision dosing based on the CYP2D6 metabolic phenotype, with sex and ethnicity being crucial considerations in this approach. FUNDING National Natural Science Foundation of China; Academy of Medical Sciences Research Unit.
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Affiliation(s)
- Yundan Liao
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China
| | - Yutao Sun
- Department of Psychiatry, The Fifth Hospital of Tangshan, Tangshan, Hebei, China
| | - Jing Guo
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China
| | - Zhewei Kang
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China
| | - Yaoyao Sun
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China
| | - Yuyanan Zhang
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China
| | - Jiong He
- Shanghai Conlight Medical Laboratory Co., Ltd, Shanghai, China
| | - Chengchen Huang
- Shanghai Conlight Medical Laboratory Co., Ltd, Shanghai, China
| | - Xin Sun
- Shanghai Conlight Medical Laboratory Co., Ltd, Shanghai, China
| | - Jian-Min Zhang
- Tongde Hospital of Zhejiang Province (Zhejiang Mental Health Center), Hangzhou, Zhejiang, China
| | - Jun Wang
- The Affiliated Mental Health Center of Jiangnan University, Wuxi, Jiangsu, China
| | - Hua-Ning Wang
- The First Affiliated Hospital of Air Force Medical University, Xi'an, Shaanxi, China
| | - Zhi-Yu Chen
- Affiliated Mental Health Center & Hangzhou Seventh People's Hospital, Zhejiang University, Hangzhou, Zhejiang, China
| | - Kai Wang
- Department of Neurology, The First Affiliated Hospital of Anhui Medical University, Institute of Artificial Intelligence, Hefei Comprehensive National Science Center, Hefei, Anhui, China
| | - Jiyang Pan
- Department of Psychiatry, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong, China
| | - Ai-Hua Ni
- Department of Clinical Psychology, Hebei General Hospital, Shijiazhuang, Hebei, China
| | - Saizheng Weng
- Fuzhou Neuropsychiatric Hospital, Fuzhou, Fujian, China
| | - Anzhen Wang
- Hefei Fourth People's Hospital, Hefei, Anhui, China
| | - Changbin Cao
- Weihai Mental Health Center, Weihai, Shandong, China
| | - Lidong Sun
- The Fourth People's Hospital of Ordos, Ordos, Inner Mongolia, China
| | | | - Li Kuang
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
| | - Yunshu Zhang
- Hebei Provincial Mental Health Center, Hebei Key Laboratory of Major Mental and Behavioral Disorders, The Sixth Clinical Medical College of Hebei University, Baoding, Hebei, China.
| | - Zhongchun Liu
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
| | - Weihua Yue
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China; Chinese Institute for Brain Research, Beijing, China; PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China; Research Unit of Diagnosis and Treatment of Mood Cognitive Disorder (2018RU006), Chinese Academy of Medical Sciences, Beijing, China.
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Islam MM, Rahman MF, Islam A, Afroz MS, Mamun MA, Rahman MM, Maniruzzaman M, Xu L, Sakamoto T, Takahashi Y, Sato T, Kahyo T, Setou M. Elucidating Gender-Specific Distribution of Imipramine, Chloroquine, and Their Metabolites in Mice Kidney Tissues through AP-MALDI-MSI. Int J Mol Sci 2024; 25:4840. [PMID: 38732055 PMCID: PMC11084644 DOI: 10.3390/ijms25094840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 04/24/2024] [Accepted: 04/26/2024] [Indexed: 05/13/2024] Open
Abstract
Knowledge of gender-specific drug distributions in different organs are of great importance for personalized medicine and reducing toxicity. However, such drug distributions have not been well studied. In this study, we investigated potential differences in the distribution of imipramine and chloroquine, as well as their metabolites, between male and female kidneys. Kidneys were collected from mice treated with imipramine or chloroquine and then subjected to atmospheric pressure matrix-assisted laser desorption ionization-mass spectrometry imaging (AP-MALDI-MSI). We observed differential distributions of the drugs and their metabolites between male and female kidneys. Imipramine showed prominent distributions in the cortex and medulla in male and female kidneys, respectively. Desipramine, one of the metabolites of imipramine, showed significantly higher (*** p < 0.001) distributions in the medulla of the male kidney compared to that of the female kidney. Chloroquine and its metabolites were accumulated in the pelvis of both male and female kidneys. Interestingly, they showed a characteristic distribution in the medulla of the female kidney, while almost no distributions were observed in the same areas of the male kidney. For the first time, our study revealed that the distributions of imipramine, chloroquine, and their metabolites were different in male and female kidneys.
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Affiliation(s)
- Md. Monirul Islam
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan; (M.M.I.); (M.F.R.); (A.I.); (M.S.A.); (M.A.M.); (T.S.); (Y.T.); (T.S.); (T.K.)
- Institute of Food and Radiation Biology, Atomic Energy Research Establishment, Bangladesh Atomic Energy Commission, Dhaka 1349, Bangladesh
| | - Md Foyzur Rahman
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan; (M.M.I.); (M.F.R.); (A.I.); (M.S.A.); (M.A.M.); (T.S.); (Y.T.); (T.S.); (T.K.)
| | - Ariful Islam
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan; (M.M.I.); (M.F.R.); (A.I.); (M.S.A.); (M.A.M.); (T.S.); (Y.T.); (T.S.); (T.K.)
- Department of Biochemistry and Microbiology, School of Health and Life Sciences, North South University, Bashundhara, Dhaka 1229, Bangladesh
- Preppers Co., Ltd., Hamamatsu City 431-3192, Shizuoka, Japan
| | - Mst. Sayela Afroz
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan; (M.M.I.); (M.F.R.); (A.I.); (M.S.A.); (M.A.M.); (T.S.); (Y.T.); (T.S.); (T.K.)
| | - Md. Al Mamun
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan; (M.M.I.); (M.F.R.); (A.I.); (M.S.A.); (M.A.M.); (T.S.); (Y.T.); (T.S.); (T.K.)
- Preppers Co., Ltd., Hamamatsu City 431-3192, Shizuoka, Japan
| | - Md. Muedur Rahman
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan; (M.M.I.); (M.F.R.); (A.I.); (M.S.A.); (M.A.M.); (T.S.); (Y.T.); (T.S.); (T.K.)
- Preppers Co., Ltd., Hamamatsu City 431-3192, Shizuoka, Japan
| | - Md Maniruzzaman
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan; (M.M.I.); (M.F.R.); (A.I.); (M.S.A.); (M.A.M.); (T.S.); (Y.T.); (T.S.); (T.K.)
| | - Lili Xu
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan; (M.M.I.); (M.F.R.); (A.I.); (M.S.A.); (M.A.M.); (T.S.); (Y.T.); (T.S.); (T.K.)
| | - Takumi Sakamoto
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan; (M.M.I.); (M.F.R.); (A.I.); (M.S.A.); (M.A.M.); (T.S.); (Y.T.); (T.S.); (T.K.)
- Preppers Co., Ltd., Hamamatsu City 431-3192, Shizuoka, Japan
| | - Yutaka Takahashi
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan; (M.M.I.); (M.F.R.); (A.I.); (M.S.A.); (M.A.M.); (T.S.); (Y.T.); (T.S.); (T.K.)
- Preppers Co., Ltd., Hamamatsu City 431-3192, Shizuoka, Japan
- International Mass Imaging Center, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan
| | - Tomohito Sato
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan; (M.M.I.); (M.F.R.); (A.I.); (M.S.A.); (M.A.M.); (T.S.); (Y.T.); (T.S.); (T.K.)
- International Mass Imaging Center, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan
| | - Tomoaki Kahyo
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan; (M.M.I.); (M.F.R.); (A.I.); (M.S.A.); (M.A.M.); (T.S.); (Y.T.); (T.S.); (T.K.)
- International Mass Imaging Center, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan
| | - Mitsutoshi Setou
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan; (M.M.I.); (M.F.R.); (A.I.); (M.S.A.); (M.A.M.); (T.S.); (Y.T.); (T.S.); (T.K.)
- Preppers Co., Ltd., Hamamatsu City 431-3192, Shizuoka, Japan
- International Mass Imaging Center, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan
- Department of Systems Molecular Anatomy, Institute for Medical Photonics Research, Preeminent Medical Photonics Education and Research Center, 1-20-1 Handayama, Chuo-Ku, Hamamatsu City 431-3192, Shizuoka, Japan
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Chyou JY, Qin H, Butler J, Voors AA, Lam CSP. Sex-related similarities and differences in responses to heart failure therapies. Nat Rev Cardiol 2024:10.1038/s41569-024-00996-1. [PMID: 38459252 DOI: 10.1038/s41569-024-00996-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/01/2024] [Indexed: 03/10/2024]
Abstract
Although sex-related differences in the epidemiology, risk factors, clinical characteristics and outcomes of heart failure are well known, investigations in the past decade have shed light on an often overlooked aspect of heart failure: the influence of sex on treatment response. Sex-related differences in anatomy, physiology, pharmacokinetics, pharmacodynamics and psychosocial factors might influence the response to pharmacological agents, device therapy and cardiac rehabilitation in patients with heart failure. In this Review, we discuss the similarities between men and women in their response to heart failure therapies, as well as the sex-related differences in treatment benefits, dose-response relationships, and tolerability and safety of guideline-directed medical therapy, device therapy and cardiac rehabilitation. We provide insights into the unique challenges faced by men and women with heart failure, highlight potential avenues for tailored therapeutic approaches and call for sex-specific evaluation of treatment efficacy and safety in future research.
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Affiliation(s)
- Janice Y Chyou
- Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Hailun Qin
- Department of Cardiology, University of Groningen, University Medical Centre Groningen, Groningen, Netherlands
| | - Javed Butler
- Department of Medicine, University of Mississippi School of Medicine, Jackson, MS, USA
- Baylor Scott and White Research Institute, Dallas, TX, USA
| | - Adriaan A Voors
- Department of Cardiology, University of Groningen, University Medical Centre Groningen, Groningen, Netherlands
| | - Carolyn S P Lam
- National Heart Centre Singapore and Duke-NUS Medical School, Singapore, Singapore.
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4
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Aydin D, Allach Y, Brugts JJ. Implications of Sex Differences on the Treatment Effectiveness in Heart Failure with Reduced Ejection Fraction Related to Clinical Endpoints and Quality of Life. Curr Heart Fail Rep 2024; 21:43-52. [PMID: 38060192 PMCID: PMC10827832 DOI: 10.1007/s11897-023-00638-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/17/2023] [Indexed: 12/08/2023]
Abstract
PURPOSE OF THE REVIEW This narrative review will emphasize the necessity for more female enrollment in heart failure (HF) trials and proposes future investigations regarding optimal dosages. Ultimately, a deeper understanding of the unique pathophysiology and medication responses in both men and women is crucial for effective HF management and may improve the quality of life in women. RECENT FINDINGS An analysis of 740 cardiovascular studies reveals that women make up only 38.2% of participants on average. Regarding to trials testing the effectiveness of HF medications, women's involvement are as low as 23.1%. While current guidelines lack sex-specific treatment recommendations, emerging research suggests differential medication dosages could be beneficial. Studies indicate that women may achieve comparable outcomes with lower doses of certain medications (angiotensin-receptor blockers) compared to men, signaling potential for more tailored dosing approaches. We advocate that the next step in HF research should prioritize the importance of tailoring treatment for HF patients by taking into account the variations in drug absorption and distribution among women.
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Affiliation(s)
- D Aydin
- Department of Cardiology, Erasmus University Medical Centre, 3015, Rotterdam, The Netherlands.
| | - Y Allach
- Department of Cardiology, Erasmus University Medical Centre, 3015, Rotterdam, The Netherlands
| | - J J Brugts
- Department of Cardiology, Erasmus University Medical Centre, 3015, Rotterdam, The Netherlands
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Chaichana J, Khamenkhetkarn M, Sastraruji T, Monum T, O’Brien TE, Amornlertwatana Y, Jaikang C. Categorization of Cytochrome P4502D6 Activity Score by Urinary Amphetamine/Methamphetamine Ratios. Metabolites 2022; 12:metabo12121174. [PMID: 36557212 PMCID: PMC9788588 DOI: 10.3390/metabo12121174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/14/2022] [Accepted: 11/23/2022] [Indexed: 11/26/2022] Open
Abstract
Methamphetamine (MA) level in urine has been used for judgment in MA consumption. Metabolism and intoxication of MA are correlated with the activity of cytochrome P450 2D6 (CYP2D6). The activity score (AS) is a potential tool for predicting exposure and personalized dose of drugs metabolized by CYP2D6. Prediction of the CYP2D6 activity score might be described as MA intoxication. The objective of this study was to categorize the CYP2D6 activity score using the urinary amphetamine (AM)/MA ratio. Urine samples (n = 23,258) were collected. The levels of MA and AM were determined by a gas chromatography-nitrogen-phosphorus detector. The log AS was calculated by an AM/MA ratio and classified into four groups following the percentile position: lower than the 2.5th, the 2.5th-the 50th, the 50th-97.5th, and greater than the 97.5th percentile, respectively. The AS value for males presented was less than 0.024, 0.024-0.141, 0.141-0.836, and greater than 0.836. Meanwhile, the AS values were revealed to be lower than 0.023, 0.023-0.148, 0.148-0.850, and higher than 0.850 for females. The AS value of CYP2D6 can be applied to describe the toxicity of MA in forensic crime scenes and relapse behavior.
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Affiliation(s)
- Jatuporn Chaichana
- Toxicology Section, Regional Medical Science Center 1 Chiang Mai 191 Tumbon Don Keaw, Ampher Mae Rim, Chiang Mai 50180, Thailand
| | - Manee Khamenkhetkarn
- Toxicology Section, Regional Medical Science Center 1 Chiang Mai 191 Tumbon Don Keaw, Ampher Mae Rim, Chiang Mai 50180, Thailand
- Correspondence: (M.K.); (C.J.); Tel.:+66-53112188 (M.K.); +66-53935432 (C.J.)
| | | | - Tawachai Monum
- Department of Forensic Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Timothy E. O’Brien
- Department of Mathematics and Statistics, Loyola University Chicago, 1032 W.Sheridan Road, Chicago, IL 60660-1537, USA
| | - Yutti Amornlertwatana
- Department of Forensic Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Churdsak Jaikang
- Department of Forensic Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
- Correspondence: (M.K.); (C.J.); Tel.:+66-53112188 (M.K.); +66-53935432 (C.J.)
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Leeder JS, Gaedigk A, Wright KJ, Staggs VS, Soden SE, Lin YS, Pearce RE. A longitudinal study of cytochrome P450 2D6 (CYP2D6) activity during adolescence. Clin Transl Sci 2022; 15:2514-2527. [PMID: 35997001 PMCID: PMC9579386 DOI: 10.1111/cts.13380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 07/07/2022] [Accepted: 07/09/2022] [Indexed: 01/25/2023] Open
Abstract
CYP2D6 substrates are among the most highly prescribed medications in teenagers and also commonly associated with serious adverse events. To investigate the relative contributions of genetic variation, growth, and development on CYP2D6 activity during puberty, healthy children and adolescents 7-15 years of age at enrollment participated in a longitudinal phenotyping study involving administration of 0.3 mg/kg dextromethorphan (DM) and 4-h urine collection every 6 months for 3 years (7 total visits). At each visit, height, weight, and sexual maturity were recorded, and CYP2D6 activity was determined as the urinary molar ratio of DM to its metabolite dextrorphan (DX). A total of 188 participants completed at least one visit, and 102 completed all seven study visits. Following univariate analysis, only CYP2D6 activity score (p < 0.001), urinary pH (p < 0.001), weight (p = 0.018), and attention-deficit/hyperactivity disorder (ADHD) diagnosis (p < 0.001) were significantly correlated with log(DM/DX). Results of linear mixed model analysis with random intercept, random slope covariance structure revealed that CYP2D6 activity score had the strongest effect on log(DM/DX), with model-estimated average log(DM/DX) being 3.8 SDs higher for poor metabolizers than for patients with activity score 3. A moderate effect on log(DM/DX) was observed for sex, and smaller effects were observed for ADHD diagnosis and urinary pH. The log(DM/DX) did not change meaningfully with age or pubertal development. CYP2D6 genotype remains the single, largest determinant of variability in CYP2D6 activity during puberty. Incorporation of genotype-based dosing guidelines should be considered for CYP2D6 substrates given the prevalent use of these agents in this pediatric age group.
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Affiliation(s)
- J. Steven Leeder
- Division of Clinical Pharmacology, Toxicology and Therapeutic Innovation, Department of PediatricsChildren's Mercy Kansas CityKansas CityMissouriUSA,School of MedicineUniversity of Missouri‐Kansas CityKansas CityMissouriUSA
| | - Andrea Gaedigk
- Division of Clinical Pharmacology, Toxicology and Therapeutic Innovation, Department of PediatricsChildren's Mercy Kansas CityKansas CityMissouriUSA,School of MedicineUniversity of Missouri‐Kansas CityKansas CityMissouriUSA
| | - Krista J. Wright
- Division of Clinical Pharmacology, Toxicology and Therapeutic Innovation, Department of PediatricsChildren's Mercy Kansas CityKansas CityMissouriUSA
| | - Vincent S. Staggs
- School of MedicineUniversity of Missouri‐Kansas CityKansas CityMissouriUSA,Biostatistics & Epidemiology Core, Division of Health Services and Outcomes Research, Department of PediatricsChildren's Mercy Kansas CityKansas CityMissouriUSA,Division of Developmental and Behavioral Sciences, Department of PediatricsChildren's Mercy Kansas CityKansas CityMissouriUSA
| | - Sarah E. Soden
- Division of Clinical Pharmacology, Toxicology and Therapeutic Innovation, Department of PediatricsChildren's Mercy Kansas CityKansas CityMissouriUSA,School of MedicineUniversity of Missouri‐Kansas CityKansas CityMissouriUSA
| | - Yvonne S. Lin
- Department of PharmaceuticsUniversity of WashingtonSeattleWashingtonUSA
| | - Robin E. Pearce
- Division of Clinical Pharmacology, Toxicology and Therapeutic Innovation, Department of PediatricsChildren's Mercy Kansas CityKansas CityMissouriUSA,School of MedicineUniversity of Missouri‐Kansas CityKansas CityMissouriUSA
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Sex-Related Differences in Patient Selection for and Outcomes after Pace and Ablate for Refractory Atrial Fibrillation: Insights from a Large Multicenter Cohort. J Clin Med 2022; 11:jcm11164927. [PMID: 36013164 PMCID: PMC9410349 DOI: 10.3390/jcm11164927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/10/2022] [Accepted: 08/17/2022] [Indexed: 11/17/2022] Open
Abstract
Background: A pace and ablate strategy may be performed in refractory atrial fibrillation with rapid ventricular response. Objective: We aimed to assess sex-related differences in patient selection and clinical outcomes after pace and ablate. Methods: In a retrospective multicentre study, patients undergoing AV junction ablation were studied. Sex-related differences in baseline characteristics, all-cause mortality, heart failure (HF) hospitalizations, and device-related complications were assessed. Results: Overall, 513 patients underwent AV junction ablation (median age 75 years, 50% men). At baseline, men were younger (72 vs. 78 years, p < 0.001), more frequently had non-paroxysmal AF (82% vs. 72%, p = 0.006), had a lower LVEF (35% vs. 55%, p < 0.001) and more frequently had cardiac resynchronization therapy (75% vs. 25%, p < 0.001). Interventional complications were rare in both groups (1.2% vs. 1.6%, p = 0.72). Patients were followed for a median of 42 months in survivors (IQR 22−62). After 4 years of follow-up, the combined endpoint of all-cause death or HF hospitalization occurred more often in men (38% vs. 27%, p = 0.008). The same was observed for HF hospitalizations (22% vs. 11%, p = 0.021) and all-cause death (28% vs. 21%, p = 0.017). Sex category remained an independent predictor of death or HF hospitalization after adjustment for age, LVEF and type of stimulation. Lead-related complications, infections, and upgrade to ICD or CRT occurred in 2.1%, 0.2% and 3.5% of patients, respectively. Conclusions: Pace and ablate is safe with a need for subsequent device-related re-interventions in 5.8% over 4 years. We found significant sex-related differences in patient selection, and women had a more favourable clinical course after AV junction ablation.
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Behrle AC, Douglas J, Leeder JS, van Haandel L. Isolation and Identification of 3,4-Seco-Solanidine-3,4-dioic acid (SSDA) as a Urinary Biomarker of Cytochrome P450 2D6 (CYP2D6) Activity. Drug Metab Dispos 2022; 50:DMD-AR-2022-000957. [PMID: 35878926 PMCID: PMC9513856 DOI: 10.1124/dmd.122.000957] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/24/2022] [Accepted: 06/29/2022] [Indexed: 11/22/2022] Open
Abstract
Cytochrome P450 2D6 (CYP2D6), is responsible for the metabolism and elimination of approximately 25% of clinically used drugs, including antidepressants and antipsychotics, and its activity varies considerably on a population basis primary due to genetic variation. CYP2D6 phenotype can be assessed in vivo following administration of an exogenous probe compound, such as dextromethorphan or debrisoquine, but use of a biomarker that does not require administration of an exogenous compound (i.e., drug) has considerable appeal for assessing CYP2D6 activity in vulnerable populations, such as children. The goal of this study was to isolate, purify and identify an "endogenous" urinary biomarker (M1; m/z 444.3102) of CYP2D6 activity reported previously. Several chromatographic separation techniques (reverse phase HPLC, cation exchange and analytical reverse phase UPLC) were used to isolate and purify 96 μg of M1 from 40 L of urine. Subsequently, 1D and 2D NMR, and functional group modification reactions were used to elucidate its structure. Analysis of mass spectrometry and NMR data revealed M1 to have similar spectroscopic features to the nitrogen-containing steroidal alkaloid, solanidine. 2D NMR characterization by HMBC, COSY, TOCSY, and HSQC-TOCSY proved to be invaluable in the structural elucidation of M1; derivatization of M1 revealed the presence of two carboxylic acid moieties. M1 was determined to be a steroidal alkaloid with a solanidine backbone that had undergone C-C bond scission to yield 3,4-seco-solanidine-3,4-dioic acid (SSDA). SSDA may have value as a dietary biomarker of CYP2D6 activity in populations where potato consumption is common. Significance Statement Endogenous biomarkers of processes involved in drug disposition and response may allow improved individualization of drug treatment, especially in vulnerable populations, such as children. Given that several CYP2D6 substrates are commonly used in pediatrics and the ubiquitous nature of potato consumption in western diets, SSDA has considerable appeal as non-invasive biomarker of CYP2D6 activity to guide treatment with CYP2D6 substrates in children and adults.
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Affiliation(s)
- Andrew C Behrle
- Clinical Pharmacology, Toxicology and Therapeutic Innovation, Children's Mercy Kansas City, United States
| | - Justin Douglas
- NMR Core Laboratory, University of Kansas, United States
| | - J Steven Leeder
- Children's Mercy Res Inst, Children's Mercy Kansas City, United States
| | - Leon van Haandel
- Clinical Pharmacology, Toxicology and Therapeutic Innovation, Children's Mercy Kansas City, United States
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9
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Sex/Gender- and Age-Related Differences in β-Adrenergic Receptor Signaling in Cardiovascular Diseases. J Clin Med 2022; 11:jcm11154280. [PMID: 35893368 PMCID: PMC9330499 DOI: 10.3390/jcm11154280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/15/2022] [Accepted: 07/22/2022] [Indexed: 11/17/2022] Open
Abstract
Sex differences in cardiovascular disease (CVD) are often recognized from experimental and clinical studies examining the prevalence, manifestations, and response to therapies. Compared to age-matched men, women tend to have reduced CV risk and a better prognosis in the premenopausal period. However, with menopause, this risk increases exponentially, surpassing that of men. Although several mechanisms have been provided, including sex hormones, an emerging role in these sex differences has been suggested for β-adrenergic receptor (β-AR) signaling. Importantly, β-ARs are the most important G protein-coupled receptors (GPCRs), expressed in almost all the cell types of the CV system, and involved in physiological and pathophysiological processes. Consistent with their role, for decades, βARs have been considered the first targets for rational drug design to fight CVDs. Of note, β-ARs are seemingly associated with different CV outcomes in females compared with males. In addition, even if there is a critical inverse correlation between β-AR responsiveness and aging, it has been reported that gender is crucially involved in this age-related effect. This review will discuss how β-ARs impact the CV risk and response to anti-CVD therapies, also concerning sex and age. Further, we will explore how estrogens impact β-AR signaling in women.
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10
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Evidence for Gender Differences in the Amphetamine/Methamphetamine Ratio in the Hair of Subjects undergoing Fitness-to-Drive Testing. Clin Chim Acta 2022; 530:87-93. [PMID: 35276222 DOI: 10.1016/j.cca.2022.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 02/11/2022] [Accepted: 03/07/2022] [Indexed: 11/20/2022]
Abstract
BACKGROUND AND AIMS Retrospective analysis of hair testing data provides insights in drugs abuse patterns and improves results interpretation. Cases from subjects undergoing driving fitness assessment (2010-2020) were examined to evidence patterns in methamphetamine (MA) abuse. MATERIALS AND METHODS All cases with positive MA (≥0.025 ng/mg) were included (n=585). Data available were gender, age, MA and A (amphetamine) in hair (h), hair color/treatment, length of proximal hair. Cases with Ah/MAh≤0.35 (n=469) were arbitrarily selected to remove as many combined A, MA users. ANOVA was performed to detect Ah/MAh predictors. RESULTS No predictors affected Ah/MAh. A bimodal frequency distribution was observed. We clustered cases in two groups (1, Ah/MAh 0.025-0.070; 2, Ah/MAh 0.071-0.120) and performed logistic regression. Only gender exhibited significant difference across groups (p=0.0080). Odds ratio for females falling into group 2 was 2.86 times higher (CI97.5 1.34-6.44). CONCLUSION Literature data support the hypothesis that the two Ah/MAh groups represent different phenotypes of the CYP2D6-mediated MA N-demethylation. Whether gender plays a role in such difference could not be confirmed. However, these results provide further suggestion of an association of gender and pharmacogenomics with MA disposition, requiring these factors to be considered in future research.
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11
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Brand BA, Haveman YRA, de Beer F, de Boer JN, Dazzan P, Sommer IEC. Antipsychotic medication for women with schizophrenia spectrum disorders. Psychol Med 2022; 52:649-663. [PMID: 34763737 PMCID: PMC8961338 DOI: 10.1017/s0033291721004591] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 10/13/2021] [Accepted: 10/22/2021] [Indexed: 12/24/2022]
Abstract
There are significant differences between men and women in the efficacy and tolerability of antipsychotic drugs. Here, we provide a comprehensive overview of what is currently known about the pharmacokinetics and pharmacodynamics of antipsychotics in women with schizophrenia spectrum disorders (SSDs) and translate these insights into considerations for clinical practice. Slower drug absorption, metabolism and excretion in women all lead to higher plasma levels, which increase the risk for side-effects. Moreover, women reach higher dopamine receptor occupancy compared to men at similar serum levels, since oestrogens increase dopamine sensitivity. As current treatment guidelines are based on studies predominantly conducted in men, women are likely to be overmedicated by default. The risk of overmedicating generally increases when sex hormone levels are high (e.g. during ovulation and gestation), whereas higher doses may be required during low-hormonal phases (e.g. during menstruation and menopause). For premenopausal women, with the exceptions of quetiapine and lurasidone, doses of antipsychotics should be lower with largest adjustments required for olanzapine. Clinicians should be wary of side-effects that are particularly harmful in women, such as hyperprolactinaemia which can cause oestrogen deficiency and metabolic symptoms that may cause cardiovascular diseases. Given the protective effects of oestrogens on the course of SSD, oestrogen replacement therapy should be considered for postmenopausal patients, who are more vulnerable to side-effects and yet require higher dosages of most antipsychotics to reach similar efficacy. In conclusion, there is a need for tailored, female-specific prescription guidelines, which take into account adjustments required across different phases of life.
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Affiliation(s)
- Bodyl A. Brand
- Department of Biomedical Sciences of Cells & Systems, Section Cognitive Neurosciences, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Yudith R. A. Haveman
- Department of Biomedical Sciences of Cells & Systems, Section Cognitive Neurosciences, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Franciska de Beer
- Department of Biomedical Sciences of Cells & Systems, Section Cognitive Neurosciences, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Janna N. de Boer
- Department of Biomedical Sciences of Cells & Systems, Section Cognitive Neurosciences, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
- Department of Psychiatry, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Paola Dazzan
- Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
- National Institute for Health Research (NIHR) Mental Health Biomedical Research Centre at South London and Maudsley NHS Foundation Trust and King's College London, London, UK
| | - Iris E. C. Sommer
- Department of Biomedical Sciences of Cells & Systems, Section Cognitive Neurosciences, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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12
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Cirrincione LR, Huang KJ. Sex and Gender Differences in Clinical Pharmacology: Implications for Transgender Medicine. Clin Pharmacol Ther 2021; 110:897-908. [PMID: 33763856 PMCID: PMC8518665 DOI: 10.1002/cpt.2234] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 03/03/2021] [Indexed: 12/11/2022]
Abstract
The transgender adult population is growing globally, but clinical pharmacology has lagged behind other areas of transgender medicine. Medical care for transgender adults may include long‐term testosterone or estrogen treatment to align secondary sex characteristics with gender identity. Clinicians often use drug–drug interaction data from the general adult population to predict medication disposition or safety among transgender adults. However, this approach does not address the complex pharmacodynamic effects of hormone therapy in transgender adults. In this review, we critically examine sex‐related and gender‐related differences in clinical pharmacology and apply these data to discuss current gaps in transgender medicine.
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Affiliation(s)
| | - Kai J. Huang
- Department of Psychology University of California – Los Angeles Los Angeles California USA
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13
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Buyssens L, De Clerck L, Schelstraete W, Dhaenens M, Deforce D, Ayuso M, Van Ginneken C, Van Cruchten S. Hepatic Cytochrome P450 Abundance and Activity in the Developing and Adult Göttingen Minipig: Pivotal Data for PBPK Modeling. Front Pharmacol 2021; 12:665644. [PMID: 33935788 PMCID: PMC8082684 DOI: 10.3389/fphar.2021.665644] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 02/26/2021] [Indexed: 12/28/2022] Open
Abstract
The Göttingen Minipig is gaining ground as nonrodent species in safety testing of drugs for pediatric indications. Due to developmental changes in pharmacokinetics and pharmacodynamics, physiologically based pharmacokinetic (PBPK) models are built to better predict drug exposure in children and to aid species selection for nonclinical safety studies. These PBPK models require high quality physiological and ADME data such as protein abundance of drug metabolizing enzymes. These data are available for man and rat, but scarce for the Göttingen Minipig. The aim of this study was to assess hepatic cytochrome P450 (CYP) protein abundance in the developing Göttingen Minipig by using mass spectrometry. In addition, sex-related differences in CYP protein abundance and correlation of CYP enzyme activity with CYP protein abundance were assessed. The following age groups were included: gestational day (GD) 84–86 (n = 8), GD 108 (n = 6), postnatal day (PND) 1 (n = 8), PND 3 (n = 8), PND 7 (n = 8), PND 28 (n = 8) and adult (n = 8). Liver microsomes were extracted and protein abundance was compared to that in adult animals. Next, the CYP protein abundance was correlated to CYP enzyme activity in the same biological samples. In general, CYP protein abundance gradually increased during development. However, we observed a stable protein expression over time for CYP4A24 and CYP20A1 and for CYP51A1, a high protein expression during the fetal stages was followed by a decrease during the first month of life and an increase toward adulthood. Sex-related differences were observed for CYP4V2_2a and CYP20A1 at PND 1 with highest expression in females for both isoforms. In the adult samples, sex-related differences were detected for CYP1A1, CYP1A2, CYP2A19, CYP2E1_2, CYP3A22, CYP4V2_2a and CYP4V2_2b with higher values in female compared to male Göttingen Minipigs. The correlation analysis between CYP protein abundance and CYP enzyme activity showed that CYP3A22 protein abundance correlated clearly with the metabolism of midazolam at PND 7. These data are remarkably comparable to human data and provide a valuable step forward in the construction of a neonatal and juvenile Göttingen Minipig PBPK model.
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Affiliation(s)
- Laura Buyssens
- Comparative Perinatal Development, Department of Veterinary Sciences, Faculty of Pharmaceutical, Biomedical and Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - Laura De Clerck
- Laboratory of Pharmaceutical Biotechnology, Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium
| | - Wim Schelstraete
- Laboratory of Pharmacology and Toxicology, Department of Pharmacology, Toxicology and Biochemistry, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Maarten Dhaenens
- Laboratory of Pharmaceutical Biotechnology, Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium
| | - Dieter Deforce
- Laboratory of Pharmaceutical Biotechnology, Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium
| | - Miriam Ayuso
- Comparative Perinatal Development, Department of Veterinary Sciences, Faculty of Pharmaceutical, Biomedical and Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - Chris Van Ginneken
- Comparative Perinatal Development, Department of Veterinary Sciences, Faculty of Pharmaceutical, Biomedical and Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - Steven Van Cruchten
- Comparative Perinatal Development, Department of Veterinary Sciences, Faculty of Pharmaceutical, Biomedical and Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
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14
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Mauvais-Jarvis F, Berthold HK, Campesi I, Carrero JJ, Dakal S, Franconi F, Gouni-Berthold I, Heiman ML, Kautzky-Willer A, Klein SL, Murphy A, Regitz-Zagrosek V, Reue K, Rubin JB. Sex- and Gender-Based Pharmacological Response to Drugs. Pharmacol Rev 2021; 73:730-762. [PMID: 33653873 PMCID: PMC7938661 DOI: 10.1124/pharmrev.120.000206] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
In humans, the combination of all sex-specific genetic, epigenetic, and hormonal influences of biologic sex produces different in vivo environments for male and female cells. We dissect how these influences of sex modify the pharmacokinetics and pharmacodynamics of multiple drugs and provide examples for common drugs acting on specific organ systems. We also discuss how gender of physicians and patients may influence the therapeutic response to drugs. We aim to highlight sex as a genetic modifier of the pharmacological response to drugs, which should be considered as a necessary step toward precision medicine that will benefit men and women. SIGNIFICANCE STATEMENT: This study discusses the influences of biologic sex on the pharmacokinetics and pharmacodynamics of drugs and provides examples for common drugs acting on specific organ systems. This study also discusses how gender of physicians and patients influence the therapeutic response to drugs.
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Affiliation(s)
- Franck Mauvais-Jarvis
- Section of Endocrinology, John W. Deming Department of Medicine, Diabetes Discovery and Sex-Based Medicine Laboratory, Tulane University School of Medicine and Southeast Louisiana Veterans Health Care System Medical Center, New Orleans, Louisiana (F.M.-J.); Department of Internal Medicine and Geriatrics, Bethel Clinic (EvKB), Bielefeld, Germany (H.K.B.); Department of Biomedical Sciences, University of Sassari, Sassari, Italy (I.C.); Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (J.-J.C.); W. Harry Feinstone Department of Molecular Microbiology and Immunology, the Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland (S.D., S.L.K.); Laboratory of Sex-Gender Medicine, National Institute of Biostructures and Biosystems, Sassari, Italy (F.F.); Polyclinic for Endocrinology, Diabetes and Preventive Medicine (PEDP), University of Cologne, Cologne, Germany (I.G.-B.); Scioto Biosciences, Indianapolis, Indiana (M.L.H.); Department of Internal Medicine III, Clinical Division of Endocrinology, Metabolism and Gender Medicine, Medical University of Vienna, Vienna and Gender Institute Gars am Kamp, Vienna, Austria (A.K.-W.); Neuroscience Institute, Georgia State University, Atlanta, Georgia (A.M.); Berlin Institute of Gender Medicine, Charité, Universitätsmedizin Berlin, Berlin, Germany and University of Zürich, Switzerland (V.R.-Z.); Department of Human Genetics, David Geffen School of Medicine, and the Molecular Biology Institute, University of California, Los Angeles, California (K.R.); and Departments of Medicine, Pediatrics, and Neuroscience, Washington University School of Medicine, St. Louis, Missouri (J.B.R.)
| | - Heiner K Berthold
- Section of Endocrinology, John W. Deming Department of Medicine, Diabetes Discovery and Sex-Based Medicine Laboratory, Tulane University School of Medicine and Southeast Louisiana Veterans Health Care System Medical Center, New Orleans, Louisiana (F.M.-J.); Department of Internal Medicine and Geriatrics, Bethel Clinic (EvKB), Bielefeld, Germany (H.K.B.); Department of Biomedical Sciences, University of Sassari, Sassari, Italy (I.C.); Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (J.-J.C.); W. Harry Feinstone Department of Molecular Microbiology and Immunology, the Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland (S.D., S.L.K.); Laboratory of Sex-Gender Medicine, National Institute of Biostructures and Biosystems, Sassari, Italy (F.F.); Polyclinic for Endocrinology, Diabetes and Preventive Medicine (PEDP), University of Cologne, Cologne, Germany (I.G.-B.); Scioto Biosciences, Indianapolis, Indiana (M.L.H.); Department of Internal Medicine III, Clinical Division of Endocrinology, Metabolism and Gender Medicine, Medical University of Vienna, Vienna and Gender Institute Gars am Kamp, Vienna, Austria (A.K.-W.); Neuroscience Institute, Georgia State University, Atlanta, Georgia (A.M.); Berlin Institute of Gender Medicine, Charité, Universitätsmedizin Berlin, Berlin, Germany and University of Zürich, Switzerland (V.R.-Z.); Department of Human Genetics, David Geffen School of Medicine, and the Molecular Biology Institute, University of California, Los Angeles, California (K.R.); and Departments of Medicine, Pediatrics, and Neuroscience, Washington University School of Medicine, St. Louis, Missouri (J.B.R.)
| | - Ilaria Campesi
- Section of Endocrinology, John W. Deming Department of Medicine, Diabetes Discovery and Sex-Based Medicine Laboratory, Tulane University School of Medicine and Southeast Louisiana Veterans Health Care System Medical Center, New Orleans, Louisiana (F.M.-J.); Department of Internal Medicine and Geriatrics, Bethel Clinic (EvKB), Bielefeld, Germany (H.K.B.); Department of Biomedical Sciences, University of Sassari, Sassari, Italy (I.C.); Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (J.-J.C.); W. Harry Feinstone Department of Molecular Microbiology and Immunology, the Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland (S.D., S.L.K.); Laboratory of Sex-Gender Medicine, National Institute of Biostructures and Biosystems, Sassari, Italy (F.F.); Polyclinic for Endocrinology, Diabetes and Preventive Medicine (PEDP), University of Cologne, Cologne, Germany (I.G.-B.); Scioto Biosciences, Indianapolis, Indiana (M.L.H.); Department of Internal Medicine III, Clinical Division of Endocrinology, Metabolism and Gender Medicine, Medical University of Vienna, Vienna and Gender Institute Gars am Kamp, Vienna, Austria (A.K.-W.); Neuroscience Institute, Georgia State University, Atlanta, Georgia (A.M.); Berlin Institute of Gender Medicine, Charité, Universitätsmedizin Berlin, Berlin, Germany and University of Zürich, Switzerland (V.R.-Z.); Department of Human Genetics, David Geffen School of Medicine, and the Molecular Biology Institute, University of California, Los Angeles, California (K.R.); and Departments of Medicine, Pediatrics, and Neuroscience, Washington University School of Medicine, St. Louis, Missouri (J.B.R.)
| | - Juan-Jesus Carrero
- Section of Endocrinology, John W. Deming Department of Medicine, Diabetes Discovery and Sex-Based Medicine Laboratory, Tulane University School of Medicine and Southeast Louisiana Veterans Health Care System Medical Center, New Orleans, Louisiana (F.M.-J.); Department of Internal Medicine and Geriatrics, Bethel Clinic (EvKB), Bielefeld, Germany (H.K.B.); Department of Biomedical Sciences, University of Sassari, Sassari, Italy (I.C.); Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (J.-J.C.); W. Harry Feinstone Department of Molecular Microbiology and Immunology, the Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland (S.D., S.L.K.); Laboratory of Sex-Gender Medicine, National Institute of Biostructures and Biosystems, Sassari, Italy (F.F.); Polyclinic for Endocrinology, Diabetes and Preventive Medicine (PEDP), University of Cologne, Cologne, Germany (I.G.-B.); Scioto Biosciences, Indianapolis, Indiana (M.L.H.); Department of Internal Medicine III, Clinical Division of Endocrinology, Metabolism and Gender Medicine, Medical University of Vienna, Vienna and Gender Institute Gars am Kamp, Vienna, Austria (A.K.-W.); Neuroscience Institute, Georgia State University, Atlanta, Georgia (A.M.); Berlin Institute of Gender Medicine, Charité, Universitätsmedizin Berlin, Berlin, Germany and University of Zürich, Switzerland (V.R.-Z.); Department of Human Genetics, David Geffen School of Medicine, and the Molecular Biology Institute, University of California, Los Angeles, California (K.R.); and Departments of Medicine, Pediatrics, and Neuroscience, Washington University School of Medicine, St. Louis, Missouri (J.B.R.)
| | - Santosh Dakal
- Section of Endocrinology, John W. Deming Department of Medicine, Diabetes Discovery and Sex-Based Medicine Laboratory, Tulane University School of Medicine and Southeast Louisiana Veterans Health Care System Medical Center, New Orleans, Louisiana (F.M.-J.); Department of Internal Medicine and Geriatrics, Bethel Clinic (EvKB), Bielefeld, Germany (H.K.B.); Department of Biomedical Sciences, University of Sassari, Sassari, Italy (I.C.); Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (J.-J.C.); W. Harry Feinstone Department of Molecular Microbiology and Immunology, the Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland (S.D., S.L.K.); Laboratory of Sex-Gender Medicine, National Institute of Biostructures and Biosystems, Sassari, Italy (F.F.); Polyclinic for Endocrinology, Diabetes and Preventive Medicine (PEDP), University of Cologne, Cologne, Germany (I.G.-B.); Scioto Biosciences, Indianapolis, Indiana (M.L.H.); Department of Internal Medicine III, Clinical Division of Endocrinology, Metabolism and Gender Medicine, Medical University of Vienna, Vienna and Gender Institute Gars am Kamp, Vienna, Austria (A.K.-W.); Neuroscience Institute, Georgia State University, Atlanta, Georgia (A.M.); Berlin Institute of Gender Medicine, Charité, Universitätsmedizin Berlin, Berlin, Germany and University of Zürich, Switzerland (V.R.-Z.); Department of Human Genetics, David Geffen School of Medicine, and the Molecular Biology Institute, University of California, Los Angeles, California (K.R.); and Departments of Medicine, Pediatrics, and Neuroscience, Washington University School of Medicine, St. Louis, Missouri (J.B.R.)
| | - Flavia Franconi
- Section of Endocrinology, John W. Deming Department of Medicine, Diabetes Discovery and Sex-Based Medicine Laboratory, Tulane University School of Medicine and Southeast Louisiana Veterans Health Care System Medical Center, New Orleans, Louisiana (F.M.-J.); Department of Internal Medicine and Geriatrics, Bethel Clinic (EvKB), Bielefeld, Germany (H.K.B.); Department of Biomedical Sciences, University of Sassari, Sassari, Italy (I.C.); Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (J.-J.C.); W. Harry Feinstone Department of Molecular Microbiology and Immunology, the Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland (S.D., S.L.K.); Laboratory of Sex-Gender Medicine, National Institute of Biostructures and Biosystems, Sassari, Italy (F.F.); Polyclinic for Endocrinology, Diabetes and Preventive Medicine (PEDP), University of Cologne, Cologne, Germany (I.G.-B.); Scioto Biosciences, Indianapolis, Indiana (M.L.H.); Department of Internal Medicine III, Clinical Division of Endocrinology, Metabolism and Gender Medicine, Medical University of Vienna, Vienna and Gender Institute Gars am Kamp, Vienna, Austria (A.K.-W.); Neuroscience Institute, Georgia State University, Atlanta, Georgia (A.M.); Berlin Institute of Gender Medicine, Charité, Universitätsmedizin Berlin, Berlin, Germany and University of Zürich, Switzerland (V.R.-Z.); Department of Human Genetics, David Geffen School of Medicine, and the Molecular Biology Institute, University of California, Los Angeles, California (K.R.); and Departments of Medicine, Pediatrics, and Neuroscience, Washington University School of Medicine, St. Louis, Missouri (J.B.R.)
| | - Ioanna Gouni-Berthold
- Section of Endocrinology, John W. Deming Department of Medicine, Diabetes Discovery and Sex-Based Medicine Laboratory, Tulane University School of Medicine and Southeast Louisiana Veterans Health Care System Medical Center, New Orleans, Louisiana (F.M.-J.); Department of Internal Medicine and Geriatrics, Bethel Clinic (EvKB), Bielefeld, Germany (H.K.B.); Department of Biomedical Sciences, University of Sassari, Sassari, Italy (I.C.); Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (J.-J.C.); W. Harry Feinstone Department of Molecular Microbiology and Immunology, the Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland (S.D., S.L.K.); Laboratory of Sex-Gender Medicine, National Institute of Biostructures and Biosystems, Sassari, Italy (F.F.); Polyclinic for Endocrinology, Diabetes and Preventive Medicine (PEDP), University of Cologne, Cologne, Germany (I.G.-B.); Scioto Biosciences, Indianapolis, Indiana (M.L.H.); Department of Internal Medicine III, Clinical Division of Endocrinology, Metabolism and Gender Medicine, Medical University of Vienna, Vienna and Gender Institute Gars am Kamp, Vienna, Austria (A.K.-W.); Neuroscience Institute, Georgia State University, Atlanta, Georgia (A.M.); Berlin Institute of Gender Medicine, Charité, Universitätsmedizin Berlin, Berlin, Germany and University of Zürich, Switzerland (V.R.-Z.); Department of Human Genetics, David Geffen School of Medicine, and the Molecular Biology Institute, University of California, Los Angeles, California (K.R.); and Departments of Medicine, Pediatrics, and Neuroscience, Washington University School of Medicine, St. Louis, Missouri (J.B.R.)
| | - Mark L Heiman
- Section of Endocrinology, John W. Deming Department of Medicine, Diabetes Discovery and Sex-Based Medicine Laboratory, Tulane University School of Medicine and Southeast Louisiana Veterans Health Care System Medical Center, New Orleans, Louisiana (F.M.-J.); Department of Internal Medicine and Geriatrics, Bethel Clinic (EvKB), Bielefeld, Germany (H.K.B.); Department of Biomedical Sciences, University of Sassari, Sassari, Italy (I.C.); Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (J.-J.C.); W. Harry Feinstone Department of Molecular Microbiology and Immunology, the Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland (S.D., S.L.K.); Laboratory of Sex-Gender Medicine, National Institute of Biostructures and Biosystems, Sassari, Italy (F.F.); Polyclinic for Endocrinology, Diabetes and Preventive Medicine (PEDP), University of Cologne, Cologne, Germany (I.G.-B.); Scioto Biosciences, Indianapolis, Indiana (M.L.H.); Department of Internal Medicine III, Clinical Division of Endocrinology, Metabolism and Gender Medicine, Medical University of Vienna, Vienna and Gender Institute Gars am Kamp, Vienna, Austria (A.K.-W.); Neuroscience Institute, Georgia State University, Atlanta, Georgia (A.M.); Berlin Institute of Gender Medicine, Charité, Universitätsmedizin Berlin, Berlin, Germany and University of Zürich, Switzerland (V.R.-Z.); Department of Human Genetics, David Geffen School of Medicine, and the Molecular Biology Institute, University of California, Los Angeles, California (K.R.); and Departments of Medicine, Pediatrics, and Neuroscience, Washington University School of Medicine, St. Louis, Missouri (J.B.R.)
| | - Alexandra Kautzky-Willer
- Section of Endocrinology, John W. Deming Department of Medicine, Diabetes Discovery and Sex-Based Medicine Laboratory, Tulane University School of Medicine and Southeast Louisiana Veterans Health Care System Medical Center, New Orleans, Louisiana (F.M.-J.); Department of Internal Medicine and Geriatrics, Bethel Clinic (EvKB), Bielefeld, Germany (H.K.B.); Department of Biomedical Sciences, University of Sassari, Sassari, Italy (I.C.); Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (J.-J.C.); W. Harry Feinstone Department of Molecular Microbiology and Immunology, the Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland (S.D., S.L.K.); Laboratory of Sex-Gender Medicine, National Institute of Biostructures and Biosystems, Sassari, Italy (F.F.); Polyclinic for Endocrinology, Diabetes and Preventive Medicine (PEDP), University of Cologne, Cologne, Germany (I.G.-B.); Scioto Biosciences, Indianapolis, Indiana (M.L.H.); Department of Internal Medicine III, Clinical Division of Endocrinology, Metabolism and Gender Medicine, Medical University of Vienna, Vienna and Gender Institute Gars am Kamp, Vienna, Austria (A.K.-W.); Neuroscience Institute, Georgia State University, Atlanta, Georgia (A.M.); Berlin Institute of Gender Medicine, Charité, Universitätsmedizin Berlin, Berlin, Germany and University of Zürich, Switzerland (V.R.-Z.); Department of Human Genetics, David Geffen School of Medicine, and the Molecular Biology Institute, University of California, Los Angeles, California (K.R.); and Departments of Medicine, Pediatrics, and Neuroscience, Washington University School of Medicine, St. Louis, Missouri (J.B.R.)
| | - Sabra L Klein
- Section of Endocrinology, John W. Deming Department of Medicine, Diabetes Discovery and Sex-Based Medicine Laboratory, Tulane University School of Medicine and Southeast Louisiana Veterans Health Care System Medical Center, New Orleans, Louisiana (F.M.-J.); Department of Internal Medicine and Geriatrics, Bethel Clinic (EvKB), Bielefeld, Germany (H.K.B.); Department of Biomedical Sciences, University of Sassari, Sassari, Italy (I.C.); Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (J.-J.C.); W. Harry Feinstone Department of Molecular Microbiology and Immunology, the Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland (S.D., S.L.K.); Laboratory of Sex-Gender Medicine, National Institute of Biostructures and Biosystems, Sassari, Italy (F.F.); Polyclinic for Endocrinology, Diabetes and Preventive Medicine (PEDP), University of Cologne, Cologne, Germany (I.G.-B.); Scioto Biosciences, Indianapolis, Indiana (M.L.H.); Department of Internal Medicine III, Clinical Division of Endocrinology, Metabolism and Gender Medicine, Medical University of Vienna, Vienna and Gender Institute Gars am Kamp, Vienna, Austria (A.K.-W.); Neuroscience Institute, Georgia State University, Atlanta, Georgia (A.M.); Berlin Institute of Gender Medicine, Charité, Universitätsmedizin Berlin, Berlin, Germany and University of Zürich, Switzerland (V.R.-Z.); Department of Human Genetics, David Geffen School of Medicine, and the Molecular Biology Institute, University of California, Los Angeles, California (K.R.); and Departments of Medicine, Pediatrics, and Neuroscience, Washington University School of Medicine, St. Louis, Missouri (J.B.R.)
| | - Anne Murphy
- Section of Endocrinology, John W. Deming Department of Medicine, Diabetes Discovery and Sex-Based Medicine Laboratory, Tulane University School of Medicine and Southeast Louisiana Veterans Health Care System Medical Center, New Orleans, Louisiana (F.M.-J.); Department of Internal Medicine and Geriatrics, Bethel Clinic (EvKB), Bielefeld, Germany (H.K.B.); Department of Biomedical Sciences, University of Sassari, Sassari, Italy (I.C.); Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (J.-J.C.); W. Harry Feinstone Department of Molecular Microbiology and Immunology, the Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland (S.D., S.L.K.); Laboratory of Sex-Gender Medicine, National Institute of Biostructures and Biosystems, Sassari, Italy (F.F.); Polyclinic for Endocrinology, Diabetes and Preventive Medicine (PEDP), University of Cologne, Cologne, Germany (I.G.-B.); Scioto Biosciences, Indianapolis, Indiana (M.L.H.); Department of Internal Medicine III, Clinical Division of Endocrinology, Metabolism and Gender Medicine, Medical University of Vienna, Vienna and Gender Institute Gars am Kamp, Vienna, Austria (A.K.-W.); Neuroscience Institute, Georgia State University, Atlanta, Georgia (A.M.); Berlin Institute of Gender Medicine, Charité, Universitätsmedizin Berlin, Berlin, Germany and University of Zürich, Switzerland (V.R.-Z.); Department of Human Genetics, David Geffen School of Medicine, and the Molecular Biology Institute, University of California, Los Angeles, California (K.R.); and Departments of Medicine, Pediatrics, and Neuroscience, Washington University School of Medicine, St. Louis, Missouri (J.B.R.)
| | - Vera Regitz-Zagrosek
- Section of Endocrinology, John W. Deming Department of Medicine, Diabetes Discovery and Sex-Based Medicine Laboratory, Tulane University School of Medicine and Southeast Louisiana Veterans Health Care System Medical Center, New Orleans, Louisiana (F.M.-J.); Department of Internal Medicine and Geriatrics, Bethel Clinic (EvKB), Bielefeld, Germany (H.K.B.); Department of Biomedical Sciences, University of Sassari, Sassari, Italy (I.C.); Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (J.-J.C.); W. Harry Feinstone Department of Molecular Microbiology and Immunology, the Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland (S.D., S.L.K.); Laboratory of Sex-Gender Medicine, National Institute of Biostructures and Biosystems, Sassari, Italy (F.F.); Polyclinic for Endocrinology, Diabetes and Preventive Medicine (PEDP), University of Cologne, Cologne, Germany (I.G.-B.); Scioto Biosciences, Indianapolis, Indiana (M.L.H.); Department of Internal Medicine III, Clinical Division of Endocrinology, Metabolism and Gender Medicine, Medical University of Vienna, Vienna and Gender Institute Gars am Kamp, Vienna, Austria (A.K.-W.); Neuroscience Institute, Georgia State University, Atlanta, Georgia (A.M.); Berlin Institute of Gender Medicine, Charité, Universitätsmedizin Berlin, Berlin, Germany and University of Zürich, Switzerland (V.R.-Z.); Department of Human Genetics, David Geffen School of Medicine, and the Molecular Biology Institute, University of California, Los Angeles, California (K.R.); and Departments of Medicine, Pediatrics, and Neuroscience, Washington University School of Medicine, St. Louis, Missouri (J.B.R.)
| | - Karen Reue
- Section of Endocrinology, John W. Deming Department of Medicine, Diabetes Discovery and Sex-Based Medicine Laboratory, Tulane University School of Medicine and Southeast Louisiana Veterans Health Care System Medical Center, New Orleans, Louisiana (F.M.-J.); Department of Internal Medicine and Geriatrics, Bethel Clinic (EvKB), Bielefeld, Germany (H.K.B.); Department of Biomedical Sciences, University of Sassari, Sassari, Italy (I.C.); Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (J.-J.C.); W. Harry Feinstone Department of Molecular Microbiology and Immunology, the Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland (S.D., S.L.K.); Laboratory of Sex-Gender Medicine, National Institute of Biostructures and Biosystems, Sassari, Italy (F.F.); Polyclinic for Endocrinology, Diabetes and Preventive Medicine (PEDP), University of Cologne, Cologne, Germany (I.G.-B.); Scioto Biosciences, Indianapolis, Indiana (M.L.H.); Department of Internal Medicine III, Clinical Division of Endocrinology, Metabolism and Gender Medicine, Medical University of Vienna, Vienna and Gender Institute Gars am Kamp, Vienna, Austria (A.K.-W.); Neuroscience Institute, Georgia State University, Atlanta, Georgia (A.M.); Berlin Institute of Gender Medicine, Charité, Universitätsmedizin Berlin, Berlin, Germany and University of Zürich, Switzerland (V.R.-Z.); Department of Human Genetics, David Geffen School of Medicine, and the Molecular Biology Institute, University of California, Los Angeles, California (K.R.); and Departments of Medicine, Pediatrics, and Neuroscience, Washington University School of Medicine, St. Louis, Missouri (J.B.R.)
| | - Joshua B Rubin
- Section of Endocrinology, John W. Deming Department of Medicine, Diabetes Discovery and Sex-Based Medicine Laboratory, Tulane University School of Medicine and Southeast Louisiana Veterans Health Care System Medical Center, New Orleans, Louisiana (F.M.-J.); Department of Internal Medicine and Geriatrics, Bethel Clinic (EvKB), Bielefeld, Germany (H.K.B.); Department of Biomedical Sciences, University of Sassari, Sassari, Italy (I.C.); Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (J.-J.C.); W. Harry Feinstone Department of Molecular Microbiology and Immunology, the Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland (S.D., S.L.K.); Laboratory of Sex-Gender Medicine, National Institute of Biostructures and Biosystems, Sassari, Italy (F.F.); Polyclinic for Endocrinology, Diabetes and Preventive Medicine (PEDP), University of Cologne, Cologne, Germany (I.G.-B.); Scioto Biosciences, Indianapolis, Indiana (M.L.H.); Department of Internal Medicine III, Clinical Division of Endocrinology, Metabolism and Gender Medicine, Medical University of Vienna, Vienna and Gender Institute Gars am Kamp, Vienna, Austria (A.K.-W.); Neuroscience Institute, Georgia State University, Atlanta, Georgia (A.M.); Berlin Institute of Gender Medicine, Charité, Universitätsmedizin Berlin, Berlin, Germany and University of Zürich, Switzerland (V.R.-Z.); Department of Human Genetics, David Geffen School of Medicine, and the Molecular Biology Institute, University of California, Los Angeles, California (K.R.); and Departments of Medicine, Pediatrics, and Neuroscience, Washington University School of Medicine, St. Louis, Missouri (J.B.R.)
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15
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Cirrincione LR, Huang KJ. Sex and Gender Differences in Clinical Pharmacology: Implications for Transgender Medicine. CLINICAL PHARMACOLOGY AND THERAPEUTICS 2021. [PMID: 33763856 DOI: 10.1002/cpt.2234.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The transgender adult population is growing globally, but clinical pharmacology has lagged behind other areas of transgender medicine. Medical care for transgender adults may include long-term testosterone or estrogen treatment to align secondary sex characteristics with gender identity. Clinicians often use drug-drug interaction data from the general adult population to predict medication disposition or safety among transgender adults. However, this approach does not address the complex pharmacodynamic effects of hormone therapy in transgender adults. In this review, we critically examine sex-related and gender-related differences in clinical pharmacology and apply these data to discuss current gaps in transgender medicine.
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Affiliation(s)
| | - Kai J Huang
- Department of Psychology, University of California - Los Angeles, Los Angeles, California, USA
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16
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Abstract
Cardiovascular diseases show many sex-related differences in prevalence, etiology, phenotype expression, and outcomes. Complex molecular mechanisms underlie this diverse pathological manifestation, from sex-determined differential gene expression to sex hormones interaction with their specific receptors in different tissues. More recently, differential non-coding RNAs regulation also turned out to be an involved mechanism. This review focuses on sex impact on the various heart failure syndromes, including coronary artery disease, heart failure with preserved ejection fraction and with reduced ejection fraction, with particular attention to dilated cardiomyopathy. Despite similar genetic predisposition in terms of identified causative mutations, other causes, such as cardiotoxic drugs exposure or stress-induced cardiomyopathy, are more prevalent in women. Beyond this, differences in disease presentation and natural history reveal a more severe clinical onset with otherwise better long-term outcomes in women compared to men. Understanding the varying characteristics of disease manifestation and outcomes is warranted for a prompt and tailored treatment for both men and women. This is a mandatory step in the road to the personalized medicine. Moreover, despite a higher enrollment in the last years, the under-representation of females in clinical trials is the first obstacle to overcome in the long way to develop appropriate sex-based therapy approach.
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17
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Lin YS, Thummel KE, Thompson BD, Totah RA, Cho CW. Sources of Interindividual Variability. Methods Mol Biol 2021; 2342:481-550. [PMID: 34272705 DOI: 10.1007/978-1-0716-1554-6_17] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The efficacy, safety, and tolerability of drugs are dependent on numerous factors that influence their disposition. A dose that is efficacious and safe for one individual may result in sub-therapeutic or toxic blood concentrations in others. A significant source of this variability in drug response is drug metabolism, where differences in presystemic and systemic biotransformation efficiency result in variable degrees of systemic exposure (e.g., AUC, Cmax, and/or Cmin) following administration of a fixed dose.Interindividual differences in drug biotransformation have been studied extensively. It is recognized that both intrinsic factors (e.g., genetics, age, sex, and disease states) and extrinsic factors (e.g., diet , chemical exposures from the environment, and the microbiome) play a significant role. For drug-metabolizing enzymes, genetic variation can result in the complete absence or enhanced expression of a functional enzyme. In addition, upregulation and downregulation of gene expression, in response to an altered cellular environment, can achieve the same range of metabolic function (phenotype), but often in a less predictable and time-dependent manner. Understanding the mechanistic basis for variability in drug disposition and response is essential if we are to move beyond the era of empirical, trial-and-error dose selection and into an age of personalized medicine that will improve outcomes in maintaining health and treating disease.
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Affiliation(s)
- Yvonne S Lin
- Department of Pharmaceutics, University of Washington, Seattle, WA, USA.
| | - Kenneth E Thummel
- Department of Pharmaceutics, University of Washington, Seattle, WA, USA
| | - Brice D Thompson
- Department of Pharmaceutics, University of Washington, Seattle, WA, USA
| | - Rheem A Totah
- Department of Medicinal Chemistry, University of Washington, Seattle, WA, USA
| | - Christi W Cho
- Department of Medicinal Chemistry, University of Washington, Seattle, WA, USA
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18
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Kirsch F, Becker C, Kurz C, Schwettmann L, Schramm A. Effects of adherence to pharmacological secondary prevention after acute myocardial infarction on health care costs - an analysis of real-world data. BMC Health Serv Res 2020; 20:1145. [PMID: 33342431 PMCID: PMC7751107 DOI: 10.1186/s12913-020-05946-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 11/19/2020] [Indexed: 11/29/2022] Open
Abstract
Background Acute myocardial infarction (AMI), a major source of morbidity and mortality, is also associated with excess costs. Findings from previous studies were divergent regarding the effect on health care expenditure of adherence to guideline-recommended medication. However, gender-specific medication effectiveness, correlating the effectiveness of concomitant medication and variation in adherence over time, has not yet been considered. Methods We aim to measure the effect of adherence on health care expenditures stratified by gender from a third-party payer’s perspective in a sample of statutory insured Disease Management Program participants over a follow-up period of 3-years. In 3627 AMI patients, the proportion of days covered (PDC) for four guideline-recommended medications was calculated. A generalized additive mixed model was used, taking into account inter-individual effects (mean PDC rate) and intra-individual effects (deviation from the mean PDC rate). Results Regarding inter-individual effects, for both sexes only anti-platelet agents had a significant negative influence indicating that higher mean PDC rates lead to higher costs. With respect to intra-individual effects, for females higher deviations from the mean PDC rate for angiotensin-converting enzyme (ACE) inhibitors, anti-platelet agents, and statins were associated with higher costs. Furthermore, for males, an increasing positive deviation from the PDC mean increases costs for β-blockers and a negative deviation decreases costs. For anti-platelet agents, an increasing deviation from the PDC-mean slightly increases costs. Conclusion Positive and negative deviation from the mean PDC rate, independent of how high the mean was, usually negatively affect health care expenditures. Therefore, continuity in intake of guideline-recommended medication is important to save costs. Supplementary Information The online version contains supplementary material available at 10.1186/s12913-020-05946-4.
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Affiliation(s)
- Florian Kirsch
- Munich School of Management, Institute of Health Economics and Health Care Management, Ludwigstraße 28 1, 80539, Munich, Germany. .,Institute of Health Economics and Health Care Management, HelmholtzZentrum München, Neuherberg, Germany.
| | - Christian Becker
- Institute of Health Economics and Health Care Management, HelmholtzZentrum München, Neuherberg, Germany
| | - Christoph Kurz
- Institute of Health Economics and Health Care Management, HelmholtzZentrum München, Neuherberg, Germany
| | - Lars Schwettmann
- Institute of Health Economics and Health Care Management, HelmholtzZentrum München, Neuherberg, Germany
| | - Anja Schramm
- AOK Bayern, Service Center of Health Care Management, Regensburg, Germany
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19
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Fekete S, Scherf-Clavel M, Gerlach M, Romanos M, Kittel-Schneider S, Unterecker S, Egberts K. Dose-Corrected Serum Concentrations and Metabolite to Parent Compound Ratios of Venlafaxine and Risperidone from Childhood to Old Age. PHARMACOPSYCHIATRY 2020; 54:117-125. [PMID: 33291155 DOI: 10.1055/a-1302-8108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
OBJECTIVE Comparative pharmacokinetic data about the antidepressant venlafaxine (VEN) and the antipsychotic drug risperidone (RIS) over the lifespan and especially in children and adolescents is lacking. This is the first cross-sectional study that aimed to investigate differences in dose-corrected serum concentrations (CDs) and metabolite to parent compound ratios (MPRs) of VEN and RIS across the lifespan. METHODS Patients treated with VEN and RIS at the University Hospital of Würzburg, Germany were included in the study. Serum level determinations were performed during clinical routine care. Patients with CYP2D6 influencing co-medication were excluded from analyses. RESULTS In 953 patients (12-93 years) treated with VEN and 552 patients (7-92 years) treated with RIS, children/adolescents (<18 years) showed 11% and 19%, and 44% and 42% lower CDs of the active moieties (CDsAM) of VEN and RIS than adults and elderly (≥60 years) (Kruskal-Wallis tests; p ≤ 0.001). However, when CDs were normalized to body weight, a different pattern emerged. Gender differences, with higher CDsAM in females were present in adults and elderlies but not in children/adolescents. No gender- or age-dependent difference in MPRs was found; however, 80% of MPRs of RIS in children/adolescents were below the range of "normal" CYP2D6 function for adults. CONCLUSIONS We suggest a higher clearance as a reason for lower CDsAM of VEN and RIS in children/adolescents compared to adults/elderlies. Metabolism of VEN or RIS by CYP2D6, characterized by MPRs, was not associated with age. However, MPRs of RIS were lower in children/adolescents, possibly due to a higher renal clearance of 9-OH-risperidone.
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Affiliation(s)
- Stefanie Fekete
- Department Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Center of Mental Health, University Hospital of Würzburg, Würzburg, Germany
| | - Maike Scherf-Clavel
- Department of Psychiatry, Psychosomatics and Psychotherapy, Center of Mental Health, University Hospital of Würzburg, Würzburg, Germany
| | - Manfred Gerlach
- Department Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Center of Mental Health, University Hospital of Würzburg, Würzburg, Germany
| | - Marcel Romanos
- Department Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Center of Mental Health, University Hospital of Würzburg, Würzburg, Germany
| | - Sarah Kittel-Schneider
- Department of Psychiatry, Psychosomatics and Psychotherapy, Center of Mental Health, University Hospital of Würzburg, Würzburg, Germany
| | - Stefan Unterecker
- Department of Psychiatry, Psychosomatics and Psychotherapy, Center of Mental Health, University Hospital of Würzburg, Würzburg, Germany
| | - Karin Egberts
- Department Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Center of Mental Health, University Hospital of Würzburg, Würzburg, Germany
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20
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Impact of CYP2D6, CYP3A5, and ABCB1 Polymorphisms on Plasma Concentrations of Donepezil and Its Metabolite in Patients With Alzheimer Disease. Ther Drug Monit 2020; 43:429-435. [PMID: 33065613 DOI: 10.1097/ftd.0000000000000823] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 09/21/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND Donepezil is one of the most commonly prescribed drugs for the treatment of Alzheimer disease. It is predominantly metabolized through CYP2D6 and to a lesser extent by CYP3A4/5. There are conflicting reports regarding the influence of CYP2D6, CYP3A5, and ABCB1 polymorphisms on the plasma concentration of donepezil. This study investigated the influence of these polymorphisms and sex on the plasma concentrations of donepezil and its active metabolite, 6-O-desmethyl donepezil (6ODD), in 47 patients with Alzheimer disease. METHODS Plasma donepezil and 6ODD concentrations were measured using liquid chromatography tandem mass spectrometry. Sex, the concomitant use of psychotropics, and CYP2D6, CYP3A5, and ABCB1 polymorphisms were analyzed as possible influencers. RESULTS The mean plasma concentrations of donepezil and 6ODD were well correlated (R2 = 0.418). The mean plasma concentration ratio of donepezil to 6ODD (metabolic ratio) was significantly lower in intermediate metabolizers of CYP2D6 than in extensive metabolizers. The metabolic ratio in patients receiving psychotropics was significantly lower than in those not receiving psychotropics. Among intermediate metabolizers, patients positive for CYP3A5 *3/*3 showed a significant increase in plasma mean 6ODD concentrations when compared with those who did not express this gene (CYP3A5 *1/*1 or *1/*3). CONCLUSIONS Results indicate that the mean plasma concentration ratio of donepezil to 6ODD is associated with CYP2D6 polymorphism and the concomitant use of psychotropics in patients with Alzheimer disease. In intermediate metabolizers, CYP3A5 may play a significant role in the metabolism of donepezil.
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21
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Bugiardini R, Yoon J, Kedev S, Stankovic G, Vasiljevic Z, Miličić D, Manfrini O, van der Schaar M, Gale CP, Badimon L, Cenko E. Prior Beta-Blocker Therapy for Hypertension and Sex-Based Differences in Heart Failure Among Patients With Incident Coronary Heart Disease. Hypertension 2020; 76:819-826. [PMID: 32654558 DOI: 10.1161/hypertensionaha.120.15323] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The usefulness of β-blockers has been questioned for patients who have hypertension without a prior manifestation of coronary heart disease or heart failure. In addition, sex-based differences in the efficacy of β-blockers for prevention of heart failure during acute myocardial ischemia have never been evaluated. We explored whether the effect of β-blocker therapy varied according to the sex among patients with hypertension who have no prior history of cardiovascular disease. Data were drawn from the ISACS (International Survey of Acute Coronary Syndromes)-Archives. The study population consisted of 13 764 patients presenting with acute coronary syndromes. There were 2590 patients in whom hypertension was treated previously with β-blocker (954 women and 1636 men). Primary outcome measure was the incidence of heart failure according to Killip class classification. Subsidiary analyses were conducted to estimate the association between heart failure and all-cause mortality at 30 days. Outcome rates were assessed using the inverse probability of treatment weighting and logistic regression models. Estimates were compared by test of interaction on the log scale. Among patients taking β-blockers before admission, there was an absolute difference of 4.6% between women and men in the rate of heart failure (Killip ≥2) at hospital presentation (21.3% versus 16.7%; relative risk ratio, 1.35 [95% CI, 1.10-1.65]). On the opposite, the rate of heart failure was approximately similar among women and men who did not receive β-blockers (17.2% versus 16.1%; relative risk ratio, 1.09 [95% CI, 0.97-1.21]). The test of interaction identified a significant (P=0.034) association between sex and β-blocker therapy. Heart failure was predictive of mortality at 30-day either in women (odds ratio, 7.54 [95% CI, 5.78-9.83]) or men (odds ratio, 9.62 [95% CI, 7.67-12.07]). In conclusion, β-blockers use may be an acute precipitant of heart failure in new-onset coronary heart disease among women, but not men. Heart failure increases the risk of death. Registration URL: https://www.clinicaltrials.gov. Unique identifier: NCT04008173.
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Affiliation(s)
- Raffaele Bugiardini
- From the Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Italy (R.B., O.M., E.C.)
| | - Jinsung Yoon
- Electrical Engineering Department, University of California, UCLA, Los Angeles (J.Y.)
| | - Sasko Kedev
- University Clinic of Cardiology, Medical Faculty, University "Ss. Cyril and Methodius," Skopje, Macedonia (S.K.)
| | - Goran Stankovic
- Department of Cardiology, Clinical Center of Serbia, and Faculty of Medicine, University of Belgrade (G.S.), University of Belgrade, Serbia
| | | | - Davor Miličić
- Department for Cardiovascular Diseases, University Hospital Center Zagreb, University of Zagreb, Croatia (D.M.)
| | - Olivia Manfrini
- From the Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Italy (R.B., O.M., E.C.)
| | | | - Chris P Gale
- Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, United Kingdom (C.P.G.)
| | - Lina Badimon
- Cardiovascular Research Institute (ICCC), CiberCV-Institute Carlos III, IIB-Sant Pau, Hospital de la Santa Creu i Sant Pau, Autonomous University of Barcelona, Spain (L.B.)
| | - Edina Cenko
- From the Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Italy (R.B., O.M., E.C.)
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22
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Lopes GS, Bielinski SJ, Moyer AM, Black Iii JL, Jacobson DJ, Jiang R, Larson NB, St Sauver JL. Sex Differences in Associations Between CYP2D6 Phenotypes and Response to Opioid Analgesics. PHARMACOGENOMICS & PERSONALIZED MEDICINE 2020; 13:71-79. [PMID: 32214840 PMCID: PMC7081062 DOI: 10.2147/pgpm.s239222] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 03/03/2020] [Indexed: 12/15/2022]
Abstract
Background Several small studies have previously investigated associations between the cytochrome P450 2D6 (CYP2D6) metabolism and response to opioids. We used a large sample of patients to study associations between CYP2D6 phenotypes and estimated CYP2D6 enzymatic activity scores with pain control and adverse reactions related to codeine and tramadol use. We conducted additional analyses to determine whether our results were consistent among men and women. Methods We used data from 2,877 participants in the RIGHT Protocol who were prescribed codeine and/or tramadol between 01/01/2005 and 12/31/2017 and who were not prescribed CYP2D6 inhibitors within 1 year prior to the opioid prescription. CYP2D6 phenotype categories were condensed into four groups: (1) Ultra-rapid and Rapid (n = 61), (2) Normal and Intermediate to Normal (n = 1,448), (3) Intermediate and Intermediate to Poor (n = 1,175), and (4) Poor metabolizer status (n = 193). Opioid-related outcomes included indications of poor pain control or adverse reactions related to medication use. We modeled the risk of each outcome using logistic regression, adjusting for age, sex, race, and ethnicity. Results The results revealed a trend from poor to ultra-rapid and rapid CYP2D6 phenotypes in which the risk of adverse reactions incrementally increased and the risk of poor pain control incrementally decreased. This trend reached statistical significance among female (but not male) participants. Among normal and intermediate to normal metabolizers, a larger proportion of women experienced adverse reactions relative to men. Discussion We replicated and extended the findings of previous research indicating associations between CYP2D6 phenotypes and response to opioids. In addition, the observed associations were stronger in women than in men. We recommend sex differences to be factored in future research investigating associations between pharmacogenomics and response to medications.
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Affiliation(s)
- Guilherme S Lopes
- Division of Biomedical Statistics and Informatics, Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA.,Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Suzette J Bielinski
- Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Ann M Moyer
- Division of Laboratory Genetics and Genomics, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - John Logan Black Iii
- Division of Laboratory Genetics and Genomics, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Debra J Jacobson
- Division of Biomedical Statistics and Informatics, Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Ruoxiang Jiang
- Division of Biomedical Statistics and Informatics, Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Nicholas B Larson
- Division of Biomedical Statistics and Informatics, Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Jennifer L St Sauver
- Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
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23
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Sex and Gender Differences in Heart Failure. ACTA ACUST UNITED AC 2020; 2:157-181. [PMID: 36262368 PMCID: PMC9536682 DOI: 10.36628/ijhf.2020.0004] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 03/26/2020] [Accepted: 03/26/2020] [Indexed: 01/04/2023]
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Schmid Y, Navarini A, Thomas ZRM, Pfleiderer B, Krähenbühl S, Mueller SM. Sex differences in the pharmacology of itch therapies-a narrative review. Curr Opin Pharmacol 2019; 46:122-142. [PMID: 31299512 DOI: 10.1016/j.coph.2019.05.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 05/17/2019] [Indexed: 02/08/2023]
Abstract
BACKGROUND Chronic itch is the most common skin-related condition, associated with a high psychosocial and economic burden. In recent years, increasing evidence of sex differences in the perception, clinical presentation and treatment requirements of itch points towards potential benefits when using sex-adapted therapies. It is well-known that body composition, absorption, metabolism, elimination and adverse drug reactions (ADRs) differ between sexes, but only little is known about the impact of sex in the pharmacology of itch treatments, which could help to rationalise sex-adapted treatment strategies. AIM To evaluate and review sex effects in the pharmacokinetics and /-dynamics of drugs used to treat itch. METHODS In this narrative review we performed a PubMed and MEDLINE (Ovid) search using the terms (itch OR pruritus) AND (gender OR sex) AND (drug OR medication OR pharmacokinetics OR pharmacodynamics). Additional searches were performed for the topical and systemic drugs recommended by the European Guideline on Chronic Pruritus. RESULTS We found numerous reports with variable levels of evidence of sex effects with respect to the pharmacokinetics and/or pharmacodynamics of 14 drug classes used for the treatment of itch, including a total of 19 systemic and 3 topical drugs. Women seem to present higher plasma levels of several drugs used in itch treatment, including tri- and tetracyclic antidepressants (e.g. doxepin, amitriptyline, mirtazapine), serotonin reuptake inhibitors (e.g. paroxetine, sertraline, fluoxetine), immunosuppressive drugs (e.g. cyclosporine, mycophenolate mofetil), serotonin receptor antagonists (e.g. ondansetron) and betablockers (e.g. propranolol). Adverse drug reactions (ADRs) were generally more common in women. Being female was reported to be an independent risk factor for QTc-prolongation associated with antihistamines and tetracyclic antidepressants. Additionally, women seem to be more prone to sedative effects of antihistamines, and to suffer from a higher frequency as well as severity of side effects with systemic calcineurin inhibitors, opioid agonists, and opioid antagonists. Women were also sensitised more often to topically applied drugs. Of note, apart from only one experimental study with capsaicin, none of these reports were designed specifically to assess the effect of sex (and gender) in the treatment of itch. DISCUSSION/CONCLUSION Our review supports previous reports that sex is of importance in the pharmacokinetics and /-dynamics of several drugs used to treat itch although those drugs were mostly evaluated for non-itch indications. However, the results are limited by methodological limitations evident in most studies such as underrepresentation of women in clinical trials. This emphasises the need to study the impact of sex (and gender) in future itch trials to yield better outcomes and prevent ADRs in both sexes.
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Affiliation(s)
- Yasmin Schmid
- Clinical Pharmacology & Toxicology, University Hospital Basel, Switzerland
| | | | | | - Bettina Pfleiderer
- Department of Clinical Radiology, University Hospital Münster and Medical Faculty, University of Münster, Germany; Competence Center Chronic Pruritus (KCP), University of Muenster, Germany
| | - Stephan Krähenbühl
- Clinical Pharmacology & Toxicology, University Hospital Basel, Switzerland
| | - Simon M Mueller
- Department of Dermatology, University Hospital Basel, Switzerland.
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25
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Xu Y, Patel DN, Ng SLP, Tan SH, Toh D, Poh J, Lim AT, Chan CL, Low MY, Koh HL. Retrospective Study of Reported Adverse Events Due to Complementary Health Products in Singapore From 2010 to 2016. Front Med (Lausanne) 2018; 5:167. [PMID: 29946545 PMCID: PMC6006675 DOI: 10.3389/fmed.2018.00167] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 05/14/2018] [Indexed: 01/16/2023] Open
Abstract
The objective of this study is to collate and analyse adverse event reports associated with the use of complementary health products (CHP) submitted to the Health Sciences Authority (HSA) of Singapore for the period 2010–2016 to identify various trends and signals for pharmacovigilance purposes. A total of 147,215 adverse event reports suspected to be associated with pharmaceutical products and CHP were received by HSA between 2010 and 2016. Of these, 143,191 (97.3%) were associated with chemical drugs, 1,807 (1.2%) with vaccines, 1,324 (0.9%) with biological drugs (biologics), and 893 (0.6%) with CHP. The number of adverse event reports associated with Chinese Proprietary Medicine, other complementary medicine and health supplements are presented. Eight hundred and ninety three adverse event reports associated with CHP in the 7-year period have been successfully collated and analyzed. In agreement with other studies, adverse events related to the “skin and appendages disorders” were the most commonly reported. Most of the cases involved dermal allergies (e.g., rashes) associated with the use of glucosamine products and most of the adulterated products were associated with the illegal addition of undeclared drugs for pain relief. Dexamethasone, chlorpheniramine, and piroxicam were the most common adulterants detected. Reporting suspected adverse events is strongly encouraged even if the causality is not confirmed because any signs of clustering will allow rapid regulatory actions to be taken. The findings from this study help to create greater awareness on the health risks, albeit low, when consuming CHP and dispelling the common misconception that “natural” means “safe.” In particular, healthcare professionals and the general public should be aware of potential adulteration of CHP. The analysis of spontaneously reported adverse events is an important surveillance system in monitoring the safety of CHP and helps in the understanding of the risk associated with the use of such products. Greater collaboration and communication between healthcare professionals, regulators, patients, manufacturers, researchers, and the general public are important to ensure the quality and safety of CHP.
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Affiliation(s)
- Yimin Xu
- Department of Pharmacy, Faculty of Science, National University of Singapore, Singapore, Singapore.,Applied Sciences Group, Pharmaceutical Division, Health Sciences Authority, Singapore, Singapore
| | - Dhavalkumar N Patel
- Department of Pharmacy, Faculty of Science, National University of Singapore, Singapore, Singapore
| | - Suet-Leng P Ng
- Vigilance, Compliance and Enforcement Cluster, Health Products Regulation Group, Health Sciences Authority, Singapore, Singapore
| | - Siew-Har Tan
- Vigilance, Compliance and Enforcement Cluster, Health Products Regulation Group, Health Sciences Authority, Singapore, Singapore
| | - Dorothy Toh
- Vigilance, Compliance and Enforcement Cluster, Health Products Regulation Group, Health Sciences Authority, Singapore, Singapore
| | - Jalene Poh
- Vigilance, Compliance and Enforcement Cluster, Health Products Regulation Group, Health Sciences Authority, Singapore, Singapore
| | - Adena Theen Lim
- Vigilance, Compliance and Enforcement Cluster, Health Products Regulation Group, Health Sciences Authority, Singapore, Singapore
| | - Cheng-Leng Chan
- Department of Pharmacy, Faculty of Science, National University of Singapore, Singapore, Singapore.,Vigilance, Compliance and Enforcement Cluster, Health Products Regulation Group, Health Sciences Authority, Singapore, Singapore
| | - Min-Yong Low
- Applied Sciences Group, Pharmaceutical Division, Health Sciences Authority, Singapore, Singapore
| | - Hwee-Ling Koh
- Department of Pharmacy, Faculty of Science, National University of Singapore, Singapore, Singapore
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26
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Ten Years' Experience with the CYP2D6 Activity Score: A Perspective on Future Investigations to Improve Clinical Predictions for Precision Therapeutics. J Pers Med 2018; 8:jpm8020015. [PMID: 29673183 PMCID: PMC6023391 DOI: 10.3390/jpm8020015] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 04/06/2018] [Accepted: 04/10/2018] [Indexed: 12/20/2022] Open
Abstract
The seminal paper on the CYP2D6 Activity Score (AS) was first published ten years ago and, since its introduction in 2008, it has been widely accepted in the field of pharmacogenetics. This scoring system facilitates the translation of highly complex CYP2D6 diplotype data into a patient’s phenotype to guide drug therapy and is at the core of all CYP2D6 gene/drug pair guidelines issued by the Clinical Pharmacogenetics Implementation Consortium (CPIC). The AS, however, only explains a portion of the variability observed among individuals and ethnicities. In this review, we provide an overview of sources in addition to CYP2D6 genotype that contribute to the variability in CYP2D6-mediated drug metabolism and discuss other factors, genetic and non-genetic, that likely contribute to the observed variability in CYP2D6 enzymatic activity.
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Papaseit E, Torrens M, Pérez-Mañá C, Muga R, Farré M. Key interindividual determinants in MDMA pharmacodynamics. Expert Opin Drug Metab Toxicol 2018; 14:183-195. [DOI: 10.1080/17425255.2018.1424832] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- E. Papaseit
- Departments of Clinical Pharmacology and Internal Medicine, Hospital Universitari Germans Trias I Pujol-IGTP, Badalona, Spain
- Department of Pharmacology, Therapeutics and Toxicology and Department of Medicine, Universitat Autònoma de Barcelona, Cerdanyola del Vallés, Spain
| | - M. Torrens
- Department of Pharmacology, Therapeutics and Toxicology and Department of Medicine, Universitat Autònoma de Barcelona, Cerdanyola del Vallés, Spain
- Drug Addiction Program, Institut de Neuropsiquiatria i Addiccions-INAD, Hospital del Mar Medical Research Institute-IMIM, Barcelona, Spain
| | - C. Pérez-Mañá
- Departments of Clinical Pharmacology and Internal Medicine, Hospital Universitari Germans Trias I Pujol-IGTP, Badalona, Spain
- Department of Pharmacology, Therapeutics and Toxicology and Department of Medicine, Universitat Autònoma de Barcelona, Cerdanyola del Vallés, Spain
| | - R. Muga
- Departments of Clinical Pharmacology and Internal Medicine, Hospital Universitari Germans Trias I Pujol-IGTP, Badalona, Spain
- Department of Pharmacology, Therapeutics and Toxicology and Department of Medicine, Universitat Autònoma de Barcelona, Cerdanyola del Vallés, Spain
| | - M. Farré
- Departments of Clinical Pharmacology and Internal Medicine, Hospital Universitari Germans Trias I Pujol-IGTP, Badalona, Spain
- Department of Pharmacology, Therapeutics and Toxicology and Department of Medicine, Universitat Autònoma de Barcelona, Cerdanyola del Vallés, Spain
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Sramek JJ, Murphy MF, Cutler NR. Sex differences in the psychopharmacological treatment of depression. DIALOGUES IN CLINICAL NEUROSCIENCE 2017. [PMID: 28179816 PMCID: PMC5286730 DOI: 10.31887/dcns.2016.18.4/ncutler] [Citation(s) in RCA: 150] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Although a number of studies have observed that females respond better to serotonergic antidepressants than males and that postmenopausal females have a diminished response to antidepressants compared with younger females, there are also studies that conflict with both of these findings, making any generalizations regarding sex differences difficult to make. Sex variance in antidepressant efficacy and pharmacokinetics profiles have been attributed to sex-based physiological differences, behavioral differences, related disorders, and sex-specific conditions, including pregnancy and menopause. This paper will review the history and current research on sex effects of antidepressant treatment.
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Affiliation(s)
- John J Sramek
- Worldwide Clinical Trials, Beverly Hills, California, USA
| | | | - Neal R Cutler
- Worldwide Clinical Trials, Beverly Hills, California, USA
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29
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Saad M, Matheeussen A, Bijttebier S, Verbueken E, Pype C, Casteleyn C, Van Ginneken C, Apers S, Maes L, Cos P, Van Cruchten S. In vitro CYP-mediated drug metabolism in the zebrafish (embryo) using human reference compounds. Toxicol In Vitro 2017; 42:329-336. [DOI: 10.1016/j.tiv.2017.05.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 05/04/2017] [Accepted: 05/08/2017] [Indexed: 10/19/2022]
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30
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En route to precision medicine through the integration of biological sex into pharmacogenomics. Clin Sci (Lond) 2017; 131:329-342. [PMID: 28159880 DOI: 10.1042/cs20160379] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 10/15/2016] [Accepted: 11/07/2016] [Indexed: 12/14/2022]
Abstract
Frequently, pharmacomechanisms are not fully elucidated. Therefore, drug use is linked to an elevated interindividual diversity of effects, whether therapeutic or adverse, and the role of biological sex has as yet unrecognized and underestimated consequences. A pharmacogenomic approach could contribute towards the development of an adapted therapy for each male and female patient, considering also other fundamental features, such as age and ethnicity. This would represent a crucial step towards precision medicine and could be translated into clinical routine. In the present review, we consider recent results from pharmacogenomics and the role of sex in studies that are relevant to cardiovascular therapy. We focus on genome-wide analyses, because they have obvious advantages compared with targeted single-candidate gene studies. For instance, genome-wide approaches do not necessarily depend on prior knowledge of precise molecular mechanisms of drug action. Such studies can lead to findings that can be classified into three categories: first, effects occurring in the pharmacokinetic properties of the drug, e.g. through metabolic and transporter differences; second, a pharmacodynamic or drug target-related effect; and last diverse adverse effects. We conclude that the interaction of sex with genetic determinants of drug response has barely been tested in large, unbiased, pharmacogenomic studies. We put forward the theory that, to contribute towards the realization of precision medicine, it will be necessary to incorporate sex into pharmacogenomics.
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31
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Pan X, Ning M, Jeong H. Transcriptional Regulation of CYP2D6 Expression. Drug Metab Dispos 2016; 45:42-48. [PMID: 27698228 DOI: 10.1124/dmd.116.072249] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Accepted: 09/29/2016] [Indexed: 01/04/2023] Open
Abstract
CYP2D6-mediated drug metabolism exhibits large interindividual variability. Although genetic variations in the CYP2D6 gene are well known contributors to the variability, the sources of CYP2D6 variability in individuals of the same genotype remain unexplained. Accumulating data indicate that transcriptional regulation of CYP2D6 may account for part of CYP2D6 variability. Yet, our understanding of factors governing transcriptional regulation of CYP2D6 is limited. Recently, mechanistic studies of increased CYP2D6-mediated drug metabolism in pregnancy revealed two transcription factors, small heterodimer partner (SHP) and Krüppel-like factor 9, as a transcriptional repressor and an activator, respectively, of CYP2D6. Chemicals that increase SHP expression (e.g., retinoids and activators of farnesoid X receptor) were shown to downregulate CYP2D6 expression in the humanized mice as well as in human hepatocytes. This review summarizes the series of studies on the transcriptional regulation of CYP2D6 expression, potentially providing a basis to better understand the large interindividual variability in CYP2D6-mediated drug metabolism.
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Affiliation(s)
- Xian Pan
- Department of Biopharmaceutical Sciences (X.P., M.N., H.J.), and Department of Pharmacy Practice (H.J.), College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois
| | - Miaoran Ning
- Department of Biopharmaceutical Sciences (X.P., M.N., H.J.), and Department of Pharmacy Practice (H.J.), College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois
| | - Hyunyoung Jeong
- Department of Biopharmaceutical Sciences (X.P., M.N., H.J.), and Department of Pharmacy Practice (H.J.), College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois
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32
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Graziani M, Nisticò R. Gender difference in prescription opioid abuse: A focus on oxycodone and hydrocodone. Pharmacol Res 2016; 108:31-38. [PMID: 27107788 DOI: 10.1016/j.phrs.2016.04.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 04/14/2016] [Accepted: 04/14/2016] [Indexed: 11/18/2022]
Abstract
Several data gathered in the last decade indicate an increase of abuse of prescription opioid drugs oxycodone (OXY) and hydrocodone (HYDRO) in women. However, to date there are no conclusive evidences investigating the gender-dependent abuse liability of prescription opioids. This study aims to supply a specific focus on women's data through a selective summary of the literature analyzing gender differences in the pharmacokinetic and pharmacodynamic dimension of OXY and HYDRO. Findings from this study suggest that the majority of OXY and HYDRO pharmacokinetic and pharmacodynamic effects do not differ according to gender, though confirming a significant difference in the incidence of adverse effects as demonstrated by the increased gastrointestinal adverse reactions in female subjects. Although the majority of recent clinical studies include an equal number of female and male subjects, the main outcome parameters do not relate specifically to gender differences. Due to the gender influence in activity of CYP3A4 and its crucial role in metabolism of both OXY than HYDRO, we suggest that assessing pharmacokinetic and pharmacodynamic interactions in clinical studies may be useful to clarify the effect of the higher CYP3A4 activity in female in relation to CYP2D6 genotype. Overall, considering the paucity of data regarding gender differences in European Union, this work highlights that impact of new abuse deterrent formulations should be assessed with a special focus on data concerning female subjects.
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Affiliation(s)
- Manuela Graziani
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University of Rome, Rome, Italy; Drug Addiction and Clinical Pharmacology Unit, University Hospital Umberto I, Sapienza University of Rome, Rome, Italy.
| | - Robert Nisticò
- Department of Biology, University of Rome 'Tor Vergata', Rome, Italy
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33
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He ZX, Chen XW, Zhou ZW, Zhou SF. Impact of physiological, pathological and environmental factors on the expression and activity of human cytochrome P450 2D6 and implications in precision medicine. Drug Metab Rev 2015; 47:470-519. [PMID: 26574146 DOI: 10.3109/03602532.2015.1101131] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
With only 1.3-4.3% in total hepatic CYP content, human CYP2D6 can metabolize more than 160 drugs. It is a highly polymorphic enzyme and subject to marked inhibition by a number of drugs, causing a large interindividual variability in drug clearance and drug response and drug-drug interactions. The expression and activity of CYP2D6 are regulated by a number of physiological, pathological and environmental factors at transcriptional, post-transcriptional, translational and epigenetic levels. DNA hypermethylation and histone modifications can repress the expression of CYP2D6. Hepatocyte nuclear factor-4α binds to a directly repeated element in the promoter of CYP2D6 and thus regulates the expression of CYP2D6. Small heterodimer partner represses hepatocyte nuclear factor-4α-mediated transactivation of CYP2D6. GW4064, a farnesoid X receptor agonist, decreases hepatic CYP2D6 expression and activity while increasing small heterodimer partner expression and its recruitment to the CYP2D6 promoter. The genotypes are key determinants of interindividual variability in CYP2D6 expression and activity. Recent genome-wide association studies have identified a large number of genes that can regulate CYP2D6. Pregnancy induces CYP2D6 via unknown mechanisms. Renal or liver diseases, smoking and alcohol use have minor to moderate effects only on CYP2D6 activity. Unlike CYP1 and 3 and other CYP2 members, CYP2D6 is resistant to typical inducers such as rifampin, phenobarbital and dexamethasone. Post-translational modifications such as phosphorylation of CYP2D6 Ser135 have been observed, but the functional impact is unknown. Further functional and validation studies are needed to clarify the role of nuclear receptors, epigenetic factors and other factors in the regulation of CYP2D6.
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Affiliation(s)
- Zhi-Xu He
- a Guizhou Provincial Key Laboratory for Regenerative Medicine, Stem Cell and Tissue Engineering Research Center & Sino-US Joint Laboratory for Medical Sciences, Guizhou Medical University , Guiyang , Guizhou , China
| | - Xiao-Wu Chen
- b Department of General Surgery , The First People's Hospital of Shunde, Southern Medical University , Shunde , Foshan , Guangdong , China , and
| | - Zhi-Wei Zhou
- c Department of Pharmaceutical Science , College of Pharmacy, University of South Florida , Tampa , FL , USA
| | - Shu-Feng Zhou
- a Guizhou Provincial Key Laboratory for Regenerative Medicine, Stem Cell and Tissue Engineering Research Center & Sino-US Joint Laboratory for Medical Sciences, Guizhou Medical University , Guiyang , Guizhou , China .,c Department of Pharmaceutical Science , College of Pharmacy, University of South Florida , Tampa , FL , USA
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Regitz-Zagrosek V, Oertelt-Prigione S, Prescott E, Franconi F, Gerdts E, Foryst-Ludwig A, Maas AHEM, Kautzky-Willer A, Knappe-Wegner D, Kintscher U, Ladwig KH, Schenck-Gustafsson K, Stangl V. Gender in cardiovascular diseases: impact on clinical manifestations, management, and outcomes. Eur Heart J 2015; 37:24-34. [PMID: 26530104 DOI: 10.1093/eurheartj/ehv598] [Citation(s) in RCA: 412] [Impact Index Per Article: 45.8] [Reference Citation Analysis] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Accepted: 10/12/2015] [Indexed: 01/08/2023] Open
Affiliation(s)
| | - Vera Regitz-Zagrosek
- Institute of Gender in Medicine, Center for Cardiovascular Research, Charité - Universitätsmedizin Berlin, Hessische Str. 3-4, 10115 Berlin, Germany International Society for Gender Medicine DZHK (German Centre for Cardiovascular Research), partner site Berlin, Germany
| | - Sabine Oertelt-Prigione
- Institute of Gender in Medicine, Center for Cardiovascular Research, Charité - Universitätsmedizin Berlin, Hessische Str. 3-4, 10115 Berlin, Germany International Society for Gender Medicine DZHK (German Centre for Cardiovascular Research), partner site Berlin, Germany
| | - Eva Prescott
- Bispebjerg Hospital, University of Copenhagen, Bispebjerg Bakke 23, 2400 Copenhagen, Denmark
| | - Flavia Franconi
- International Society for Gender Medicine Dep Scienze Biomediche, Regione Basilicata and National Laboratory of Gender Medicine, Consorzio Interuniversitario INBB, University of Sassari, Via Muroni 23a, 07100 Sassari, Italy
| | - Eva Gerdts
- Department of Clinical Science, University of Bergen, PO Box 7804, 5020 Bergen, Norway
| | - Anna Foryst-Ludwig
- DZHK (German Centre for Cardiovascular Research), partner site Berlin, Germany Institute of Pharmacology, Center for Cardiovascular Research, Charité - Universitätsmedizin Berlin, Hessische Str. 3-4, 10115 Berlin, Germany
| | - Angela H E M Maas
- Department of Cardiology, Radboud University Medical Center, Geert Grooteplein-Zuid 10, Route 616, 6525 GA Nijmegen, The Netherlands
| | - Alexandra Kautzky-Willer
- International Society for Gender Medicine Gender Medicine Unit, Internal Medicine III, Endocrinology, Medical University of Vienna, International Society for Gender Medicine, Währinger Gürtel 18-20, 1090 Vienna, Austria
| | - Dorit Knappe-Wegner
- International Society for Gender Medicine University Heart Center Hamburg, Martinistrasse 52, 20246 Hamburg, Germany
| | - Ulrich Kintscher
- DZHK (German Centre for Cardiovascular Research), partner site Berlin, Germany Institute of Pharmacology, Center for Cardiovascular Research, Charité - Universitätsmedizin Berlin, Hessische Str. 3-4, 10115 Berlin, Germany
| | - Karl Heinz Ladwig
- Helmholtz Center Munich, Institute of Epidemiology II, German Research Center for Environmental Health, Ingolstädter Landstr. 1, 85764 Neuherberg, Germany
| | - Karin Schenck-Gustafsson
- International Society for Gender Medicine Karolinska Institutet Stockholm, Centre for Gender Medicine, Thorax N3:05, International Society for Gender Medicine, 17176 Stockholm, Sweden
| | - Verena Stangl
- DZHK (German Centre for Cardiovascular Research), partner site Berlin, Germany Clinic for Cardiology and Angiology, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
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Graziani M, Nisticò R. Gender differences in pharmacokinetics and pharmacodynamics of methadone substitution therapy. Front Pharmacol 2015; 6:122. [PMID: 26106330 PMCID: PMC4460328 DOI: 10.3389/fphar.2015.00122] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2015] [Accepted: 05/25/2015] [Indexed: 12/17/2022] Open
Abstract
Gender-related differences in the pharmacological effects of drug are an emerging topic. This review examines gender differences in both pharmacokinetic and pharmacodynamic aspects of methadone, a long-acting opioid agonist that is prescribed as a treatment for opioid dependence and the management of chronic pain. Method: We performed a search in the Medline database from 1990 to 2014 in order to find published literature related to gender differences in pharmacokinetics (PK) and pharmacodynamics (PD) of methadone. Results: None of the studies were carried out with the primary or secondary aim to identify any gender differences in the pharmacokinetic profile of methadone. Importantly; high inter-subjects variability in PK parameters was found also intra female population. The reported differences in volume of distribution could be ascribed to the physiological differences between men and women in body weight and composition, taking into account that the dose of methadone was established irrespective of body weight of patients (Peles and Adelson, 2006). On the other hand, the few studies present in literature found no gender difference in some direct pharmacodynamic parameters. Some reports have suggested that female gender is associated with an increased risk for long-QT-related cardiac arrhythmias in methadone maintenance subjects. Conclusion: Even though it may be too simplistic to expect variability only in one parameter to explain inter-individual variation in methadone response, we believe that a better knowledge of gender-related differences might have significant implications for better outcomes in opioid dependence substitution therapy in women.
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Affiliation(s)
- Manuela Graziani
- Vittorio Erspamer School of Physiology and Pharmacology, Sapienza University of Rome Rome, Italy ; Drug Addiction and Clinical Pharmacology Unit, University Hospital Umberto I, Sapienza University of Rome Rome, Italy
| | - Robert Nisticò
- Department of Biology, University of Rome Tor Vergata Rome, Italy
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36
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Ruiz ML, Mottino AD, Catania VA, Vore M. Hormonal regulation of hepatic drug biotransformation and transport systems. Compr Physiol 2014; 3:1721-40. [PMID: 24265243 DOI: 10.1002/cphy.c130018] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The human body is constantly exposed to many xenobiotics including environmental pollutants, food additives, therapeutic drugs, etc. The liver is considered the primary site for drug metabolism and elimination pathways, consisting in uptake, phase I and II reactions, and efflux processes, usually acting in this same order. Modulation of biotransformation and disposition of drugs of clinical application has important therapeutic and toxicological implications. We here provide a compilation and analysis of relevant, more recent literature reporting hormonal regulation of hepatic drug biotransformation and transport systems. We provide additional information on the effect of hormones that tentatively explain differences between sexes. A brief discussion on discrepancies between experimental models and species, as well as a link between gender-related differences and the hormonal mechanism explaining such differences, is also presented. Finally, we include a comment on the pathophysiological, toxicological, and pharmacological relevance of these regulations.
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Affiliation(s)
- María L Ruiz
- Institute of Experimental Physiology, National University of Rosario, Rosario, Argentina
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Jiang JY, Best BM, Morello CM, Atayee RS, Ma JD. Evaluation of Concomitant Methylphenidate and Opioid Use in Patients with Pain. J Anal Toxicol 2014; 38:421-6. [DOI: 10.1093/jat/bku058] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Alomar MJ. Factors affecting the development of adverse drug reactions (Review article). Saudi Pharm J 2014; 22:83-94. [PMID: 24648818 PMCID: PMC3950535 DOI: 10.1016/j.jsps.2013.02.003] [Citation(s) in RCA: 211] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2012] [Accepted: 02/13/2013] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVES To discuss the effect of certain factors on the occurrence of Adverse Drug Reactions (ADRs). DATA SOURCES A systematic review of the literature in the period between 1991 and 2012 was made based on PubMed, the Cochrane database of systematic reviews, EMBASE and IDIS. Key words used were: medication error, adverse drug reaction, iatrogenic disease factors, ambulatory care, primary health care, side effects and treatment hazards. SUMMARY Many factors play a crucial role in the occurrence of ADRs, some of these are patient related, drug related or socially related factors. Age for instance has a very critical impact on the occurrence of ADRs, both very young and very old patients are more vulnerable to these reactions than other age groups. Alcohol intake also has a crucial impact on ADRs. Other factors are gender, race, pregnancy, breast feeding, kidney problems, liver function, drug dose and frequency and many other factors. The effect of these factors on ADRs is well documented in the medical literature. Taking these factors into consideration during medical evaluation enables medical practitioners to choose the best drug regimen. CONCLUSION Many factors affect the occurrence of ADRs. Some of these factors can be changed like smoking or alcohol intake others cannot be changed like age, presence of other diseases or genetic factors. Understanding the different effects of these factors on ADRs enables healthcare professionals to choose the most appropriate medication for that particular patient. It also helps the healthcare professionals to give the best advice to patients. Pharmacogenomics is the most recent science which emphasizes the genetic predisposition of ADRs. This innovative science provides a new perspective in dealing with the decision making process of drug selection.
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Affiliation(s)
- Muaed Jamal Alomar
- Address: P.O. Box 222319, Al Ain, United Arab Emirates. Tel.: +971 507157641; fax: +971 37378728.
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Abstract
The efficacy, safety, and tolerability of drugs are dependent on numerous factors that influence their disposition. A dose that is efficacious and safe for one individual may result in sub-therapeutic or toxic blood concentrations in other individuals. A major source of this variability in drug response is drug metabolism, where differences in pre-systemic and systemic biotransformation efficiency result in variable degrees of systemic exposure (e.g., AUC, C max, and/or C min) following administration of a fixed dose.Interindividual differences in drug biotransformation have been studied extensively. It is well recognized that both intrinsic (such as genetics, age, sex, and disease states) and extrinsic (such as diet, chemical exposures from the environment, and even sunlight) factors play a significant role. For the family of cytochrome P450 enzymes, the most critical of the drug metabolizing enzymes, genetic variation can result in the complete absence or enhanced expression of a functional enzyme. In addition, up- and down-regulation of gene expression, in response to an altered cellular environment, can achieve the same range of metabolic function (phenotype), but often in a less reliably predictable and time-dependent manner. Understanding the mechanistic basis for drug disposition and response variability is essential if we are to move beyond the era of empirical, trial-and-error dose selection and into an age of personalized medicine that brings with it true improvements in health outcomes in the therapeutic treatment of disease.
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Affiliation(s)
- Kenneth E Thummel
- Department of Pharmaceutics, University of Washington, Seattle, WA, USA
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Abstract
Data on the specific effects of sex on pharmacokinetics, as well as tolerability, safety, and efficacy of psychotropic medications are still meager, mainly because only recently sex-related issues have attracted a certain degree of interest within the pharmacological domain. Therefore, with the present study, we aimed to provide a comprehensive review of the literature on this topic, through careful MEDLINE and PubMed searches of the years 1990-2012. Generally, data on pharmacokinetics are more consistent and numerous than those on pharmacodynamics. Sex-related differences have been reported for several parameters that influence pharmacokinetics, such as gastric acidity, intestinal motility, body weight and composition, blood volume, liver enzymes (mainly the cytochrome P450), or renal excretion, which may alter plasma drug levels. Sex-related peculiarities may also account for a different sensitivity of men and women to side effects and toxicity of psychotropic drugs. Further, some differences in drug response, mainly to antipsychotics and antidepressants, have been described. Further studies are, however, necessary to explore more thoroughly the impact of sex on the pharmacokinetics and pharmacodynamics of psychotropic drugs, in order to reach the most appropriate and tailored prescription for each patient.
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Effect of HNF4α genetic polymorphism G60D on the pharmacokinetics of CYP2D6 substrate tolterodine in healthy Korean individuals. Pharmacogenet Genomics 2013; 23:175-9. [DOI: 10.1097/fpc.0b013e32835de25e] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Seeland U, Regitz-Zagrosek V. Sex and gender differences in cardiovascular drug therapy. Handb Exp Pharmacol 2013:211-36. [PMID: 23027453 DOI: 10.1007/978-3-642-30726-3_11] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
This chapter outlines sex differences in pharmacokinetics and pharmacodynamics of the most frequently used drugs in cardiovascular diseases, e.g., coronary artery disease, hypertension, heart failure. Retrospective analysis of previously published drug trials revealed marked sex differences in efficacy and adverse effects in a number of cardiovascular drugs. This includes a higher mortality among women taking digoxin for heart failure, more torsade de pointes arrhythmia in QT prolonging drugs and more cough with ACE inhibitors. Trends towards a greater benefit for women and/or female animals have been observed in some studies for endothelin receptor antagonists, the calcium channel blocker amlodipine, the ACE-inhibitor ramipril and the aldosterone antagonist eplerenone. However, reproduction of these results in independent studies and solid statistical evidence is still lacking. Some drugs require a particularly careful dose adaptation in women: the beta-blocker metoprolol, the calcium channel blocker verapamil, loop-, and thiazide diuretics. In conclusion, sex differences in pharmacokinetics and pharmacodynamics have to be taken into account for cardiovascular drug therapy in women.
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Affiliation(s)
- Ute Seeland
- Institute of Gender in Medicine, Universitaetsmedizin Berlin Charité, Berlin, Germany
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43
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Abstract
The response to a psychotropic medication reflects characteristics of both the medication and the substrate, ie, the individual receiving the medication. Sex is an individual characteristic that influences all elements of the pharmacokinetic process - absorption, distribution, metabolism, and elimination. The effects of sex on these components of the pharmacokinetic process often counterbalance one another to yield minimal or varying sexual differences in blood levels achieved. However, sex also appears to influence pharmacodynamics, the tissue response to a given level of medication. Consideration by the practitioner of sex as a possible contributing factor to treatment nonresponse will enhance the efficacy and precision of clinical interventions.
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Affiliation(s)
- David R Rubinow
- Behavioral Endocrinology Branch, National Institute of Mental Health, National Institutes of Health, Department of Health and Human Services, Bethesda, Md, USA
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44
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Podzolkov VI, Bragina AE. Essential arterial hypertension in women, or female arterial hypertension? КАРДИОВАСКУЛЯРНАЯ ТЕРАПИЯ И ПРОФИЛАКТИКА 2012. [DOI: 10.15829/1728-8800-2012-1-79-84] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
The paper discusses specific features of arterial hypertension (AH) in women: age-related aspects of AH incidence, pathogenetic and clinical AH variants, and optimal pharmacotherapy approaches.
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Yubero-Lahoz S, Pardo R, Farré M, OʼMahony B, Torrens M, Mustata C, Pérez-Mañá C, Carbó M, de la Torre R. Sex Differences in 3,4-Methylenedioxymethamphetamine (MDMA; Ecstasy)-Induced Cytochrome P450 2D6 Inhibition in Humans. Clin Pharmacokinet 2011; 50:319-29. [DOI: 10.2165/11584550-000000000-00000] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Abstract
Epidemiological studies suggest there are considerable differences in the prevalence and presentation of depression in men and women. Women are more than twice as likely to be diagnosed with depression and may also report more atypical and anxiety symptoms than men. Men and women also differ in the metabolism and distribution of antidepressants and the presence of oestrogen in women of childbearing age may interfere with the mechanism of action of a number of antidepressants. These differences have led many researchers to question whether antidepressants are equally effective and tolerated in men and women. While some reports suggest that selective serotonin re-uptake inhibitors (SSRIs) are more effective and result in fewer adverse drug reactions in women than tricyclic antidepressants (TCAs), gender differences in antidepressant response remains a controversial topic. The potential effects of antidepressant exposure in utero and in breast milk further complicate treatment options for antenatal and postnatal depression. While some research suggests the SSRI paroxetine is teratogenic, further carefully designed naturalistic studies are required to fully evaluate these effects. Finally, response to antidepressants and the occurrence of adverse drug reactions is marked by inter-individual variability which may be in part due to genetic differences. Future studies should therefore consider genotypes of the mother, foetus and infant in antidepressant response.
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Affiliation(s)
- Robert Keers
- MRC SGDP Centre, Institute of Psychiatry, King's College London, 16 De Crespigny Park, Denmark Hill, London, UK.
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47
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Abstract
There is a large body of literature debating whether and how gender affects the metabolism, side-effect profile, and efficacy of antidepressants. Gender differences in antidepressant pharmacokinetics and efficacy profiles have been attributed to not only anatomic and physiological differences between the sexes, but also behavioral factors, comorbid disorders, and gender-specific conditions, such as pregnancy and menopause. Despite the large body of research on this topic, few definitive conclusions regarding effects of gender on antidepressant treatment exist, and much of this research is incomplete, contradictory, or not fully used to optimize the administration of antidepressants and the response to treatment. This chapter will review the latest research on gender-specific effects of antidepressant treatment, focusing on the overall, gender-related differences in efficacy, metabolism, and side-effect profile of antidepressants, and how these differences can be used to better optimize treatment of depression in a clinical setting.
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Affiliation(s)
- John J Sramek
- Worldwide Clinical Trials, Inc., 401 N. Maple Drive, Beverly Hills, CA 90210, USA.
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Assessment of activity levels for CYP2D6*1, CYP2D6*2, and CYP2D6*41 genes by population pharmacokinetics of dextromethorphan. Clin Pharmacol Ther 2010; 88:643-51. [PMID: 20881950 DOI: 10.1038/clpt.2010.137] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The pharmacokinetics of dextromethorphan (DM) is markedly influenced by cytochrome P450 2D6 (CYP2D6) enzyme polymorphisms. The aim of this study was to quantify the effects of the CYP2D6*1, *2, and *41 variants on DM metabolism in vivo and to identify other sources of pharmacokinetic variability. Concentrations of DM and dextrorphan (DO) in plasma and urine were evaluated in 36 healthy Caucasian men. These volunteers participated in three clinical studies and received a single oral dose of 30 mg DM-HBr. Data were modeled simultaneously using the population pharmacokinetics NONMEM software. A five-compartment model adequately described the data. The activity levels of the alleles assessed differed significantly. The clearance attributable to an individual CYP2D6*1 copy was 2.5-fold higher as compared with CYP2D6*2 (5,010 vs. 2,020 l/h), whereas the metabolic activity of CYP2D6*41 was very low (85 l/h). Urinary pH was confirmed as a significant covariate for DM renal clearance. These results refine genotype-based predictions of pharmacokinetics for DM and presumably for other CYP2D6 substrates as well.
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Zheng J, Chen B, Jiang B, Zeng L, Tang ZR, Fan L, Zhou HH. The effects of Puerarin on CYP2D6 and CYP1A2 activities In vivo. Arch Pharm Res 2010; 33:243-6. [DOI: 10.1007/s12272-010-0209-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2009] [Revised: 10/29/2009] [Accepted: 11/01/2009] [Indexed: 11/28/2022]
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50
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Nicolas JM, Espie P, Molimard M. Gender and interindividual variability in pharmacokinetics. Drug Metab Rev 2009; 41:408-21. [DOI: 10.1080/10837450902891485] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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