Abstract
Fenoterol, a fast-acting β2-adrenergic agonist, is used in the therapy of obstructive pulmonary diseases and for the inhibition of premature labour obstetrics. Doping control for β2-agonists, which are prohibited in sports by the World Anti-Doping Agency, is commonly performed by liquid chromatography/mass spectrometry after hydrolysis of phase II metabolites. The continuing development of analytical procedures has led to direct injection of urine samples without sample preparation becoming a viable tool. For the detection of substances without sample preparation, including hydrolysis, detailed information of the phase II metabolism of the substances is essential. In this study, human S9 fractions of different tissues and two recombinant sulfotransferases were investigated for their potential to form fenoterol sulfoconjugates, which were characterised in detail. Two mono-sulfoconjugates and one bis-sulfoconjugate were synthesised and their structures confirmed by liquid chromatography–high-resolution/high-accuracy mass spectrometry. All of the metabolites were identified as esterified phenolic compounds. Excretion studies with orally and inhalatively administered fenoterol proved the occurrence of the sulfoconjugates in vivo. Inhalatively administered fenoterol resulted in the detection of the two mono-sulfoconjugates in low amounts in urine due to the lower inhalation dose of fenoterol compared to the oral dose. After oral uptake of fenoterol, the two mono-sulfoconjugates and a fenoterol bis-sulfoconjugate were detected in urine. This is the first report of the bis-sulfoconjugate.






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Morgan DJ (1990) Clinical pharmacokinetics of beta-agonists. Clin Pharmacokinet 18:270–294
Hochhaus G, Mollmann H (1992) Pharmacokinetic pharmacodynamic characteristics of the beta-2-agonists terbutaline, salbutamol and fenoterol. Int J Clin Pharmacol 30:342–362
Richter R, Hinselmann MJ (1979) The treatment of threatened premature labor by betamimetic drugs: a comparison of fenoterol and ritodrine. Obstet Gynecol 53:81–87
The 2013 Prohibited List. World Anti-Doping Agency. http://www.wada-ama.org/en/world-anti-doping-program/sports-and-anti-doping-organizations/international-standards/prohibited-list/. Accessed 10 Mar 2013
Thevis M, Opfermann G, Schänzer W (2003) Liquid chromatography/electrospray ionization tandem mass spectrometric screening and confirmation methods for beta(2)-agonists in human or equine urine. J Mass Spectrom 38:1197–1206
Sardela VF, Deventer K, Pereira HMG, de Aquino Neto FR, Van Eenoo P (2012) Development and validation of a ultra high performance liquid chromatography-tandem mass spectrometric method for the direct detection of formoterol in human urine. J Pharm Biomed Anal 70:471–475
Thörngren JO, Ostervall F, Garle M (2008) A high-throughput multicomponent screening method for diuretics, masking agents, central nervous system (CNS) stimulants and opiates in human urine by UPLC-MS/MS. J Mass Spectrom 43:980–992
Badoud F, Grata E, Perrenoud L, Avois L, Saugy M, Rudaz S, Veuthey JL (2009) Fast analysis of doping agents in urine by ultra-high-pressure liquid chromatography-quadrupole time-of-flight mass spectrometry: I. Screening analysis. J Chromatogr A 1216:4423–4433
Guddat S, Solymos E, Orlovius A, Thomas A, Sigmund G, Geyer H, Thevis M, Schänzer W (2011) High-throughput screening for various classes of doping agents using a new ‘dilute-and-shoot’ liquid chromatography-tandem mass spectrometry multi-target approach. Drug Test Anal 3:836–850
Orlovius AK, Guddat S, Parr MK, Kohler M, Gütschow M, Thevis M, Schänzer W (2009) Terbutaline sulfoconjugate: characterization and urinary excretion monitored by LC/ESI-MS/MS. Drug Test Anal 1:568–575
Parr MK, Orlovius AK, Guddat S, Gütschow M, Thevis M, Schänzer W (2007) Sulfoconjugates of heavy volatile nitrogen containing doping substances for improved LC-MS/MS screening. In: Schänzer W, Geyer H, Gotzmann A, Mareck U (eds) Recent advances in doping analysis (15). Sport und Buch Strauß, Köln, pp 97–102
Hildebrandt R, Wagner B, Preissnowzohour K, Gundertremy U (1994) Fenoterol metabolism in man—sulfation versus glucuronidation. Xenobio 24:71–77
Henze MK, Opfermann G, Spahn-Langguth H, Schänzer W (2001) Screening of beta-2 agonists and confirmation of fenoterol, orciprenaline, reproterol and terbutaline with gas chromatography–mass spectrometry as tetrahydroisoquinoline derivatives. J Chromatogr B 751:93–105
Henze MK, Opfermann G, Spahn-Langguth H, Schänzer W (2000) Screening of beta-2-agonists and confirmation of fenoterol, reproterol, orciprenaline and terbutaline after cyclisation with formaldehyde. In: Schänzer W, Geyer H, Gotzmann A, Mareck-Engelke U (eds) Recent advances in doping analysis (8). Sport und Buch Strauß, Köln, pp 59–67
Laros CD, Vanurk P, Rominger KL (1977) Absorption, distribution and excretion of tritium-labeled beta-2-stimulator fenoterol hydrobromide following aerosol administration and instillation into bronchial tree. Respir 34:131–140
Koster AS, Frankhuijzen-Sierevogel AC, Mentrup A (1986) Stereoselective formation of fenoterol-para-glucuronide and fenoterol-meta-glucuronide in rat hepatocytes and enterocytes. Biochem Pharmac 35:1981–1985
Rominger KL, Pollmann W (1972) Comparative pharmacokinetic studies on fenoterol hydrobromide in rat, dog and man. Arzneim-Forsch/Drug Res 22:1190
Bandurski RS, Wilson LG, Squires CL (1956) The mechanism of active sulfate formation. J Am Chem Soc 78:6408–6409
Gamage N, Barnett A, Hempel N, Duggleby RG, Windmill KF, Martin JL, McManus ME (2006) Human sulfotransferases and their role in chemical metabolism. Toxicol Sci 90:5–22
Blanchard RL, Freimuth RR, Buck J, Weinshilboum RM, Coughtrie MW (2004) A proposed nomenclature system for the cytosolic sulfotransferase (SULT) superfamily. Pharmacogenet Genomics 14:199–211
Hildebrandt MAT, Salavaggione OE, Martin YN, Flynn HC, Jalal S, Wieben ED, Weinshilboum RM (2004) Human SULT1A3 pharmacogenetics: gene duplication and functional genomic studies. Biochem Biophys Res Commun 321:870–878
Cappiello M, Giuliani L, Pacifici GM (1990) Differential distribution of phenol and catechol sulphotransferases in human liver and intestinal mucosa. Pharmacol 40:69–76
Wilson AA, Wang J, Koch P, Walle T (1997) Stereoselective sulphate conjugation of fenoterol by human phenolsulphotransferases. Xenobio 27:1147–1154
Duffus JH, Nordberg M, Templeton DM (2007) Glossary of terms used in toxicology, 2nd edition. Pure Appl Chem 79:1153–1344
Falany CN, Falany JL, Wang J, Hedstrom J, Chelpin HV, Swedmark S (1999) Studies on sulfation of synthesized metabolites from the local anesthetics ropivacaine and lidocaine using human cloned sulfotransferases. Drug Metab Dispos 27:1057–1063
Wong CC, Meinl W, Glatt HR, Barron D, Stalmach A, Steiling H, Crozier A, Williamson G (2010) In vitro and in vivo conjugation of dietary hydroxycinnamic acids by UDP-glucuronosyltransferases and sulfotransferases in humans. J Nutr Biochem 21:1060–1068
Kuuranne T, Kurkela M, Thevis M, Schänzer W, Finel M, Kostiainen R (2003) Glucuronidation of anabolic androgenic steroids by recombinant human UDP-glucuronosyltransferases. Drug Metab Dispos 31:1117–1124
Kuuranne T, Leinonen A, Schänzer W, Kamber M, Kostiainen R, Thevis M (2008) Aryl-propionamide-derived selective androgen receptor modulators: liquid chromatography-tandem mass spectrometry characterization of the in vitro synthesized metabolites for doping control purposes. Drug Metab Dispos 36:571–581
Levsen K, Schiebel HM, Behnke B, Dotzer R, Dreher W, Elend M, Thiele H (2005) Structure elucidation of phase II metabolites by tandem mass spectrometry: an overview. J Chromatogr A 1067:55–72
Riches Z, Stanley EL, Bloomer JC, Coughtrie MWH (2009) Quantitative evaluation of the expression and activity of five major sulfotransferases (SULTs) in human tissues: the SULT “Pie”. Drug Metab Dispos 37:2255–2261
Gamage NU, Tsvetanov S, Duggleby RG, McManus ME, Martin JL (2005) The structure of human SULT1A1 crystallized with estradiol. J Biol Chem 280:41482–41486
Reiter C, Mwaluko G, Dunnette J, Van Loon J, Weinshilboum R (1983) Thermolabile and thermostable human platelet phenol sulfotransferase. Substrate specificity and physical separation. Naunyn Schmied Arch Pharmacol 324:140–147
Raftogianis RB, Wood TC, Weinshilboum RM (1999) Human phenol sulfotransferases SULT1A2 and SULT1A1: genetic polymorphisms, allozyme properties, and human liver genotype-phenotype correlations. Biochem Pharmacol 58:605–616
Gamage NU, Duggleby RG, Barnett AC, Tresillian M, Latham CF, Liyou NE, McManus ME, Martin JL (2003) Structure of a human carcinogen-converting enzyme, SULT1A1. Structural and kinetic implications of substrate inhibition. J Biol Chem 278:7655–7662
Pacifici GM, Giulianetti B, Quilici MC, Spisni R, Nervi M, Giuliani L, Gomeni R (1997) (−)-Salbutamol sulphation in the human liver and duodenal mucosa: interindividual variability. Xenobio 27:279–286
Ko K, Kurogi K, Davidson G, Liu M-Y, Sakakibara Y, Suiko M, Liu M-C (2012) Sulfation of ractopamine and salbutamol by the human cytosolic sulfotransferases. J Biochem 152:275–283
Pacifici GM, Eligi M, Giuliani L (1993) (+) and (−) terbutaline are sulfated at a higher rate in human intestine than in liver. Eur J Clin Pharmacol 45:483–487
Acknowledgments
The study was carried out with the support of WADA (reference number 071007WS), the Federal Ministry of the Interior of the Federal Republic of Germany and the Manfred-Donike Institute for Doping Analysis, Cologne, Germany.
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Orlovius, A.K., Guddat, S., Gütschow, M. et al. In vitro synthesis and characterisation of three fenoterol sulfoconjugates detected in fenoterol post-administration urine samples. Anal Bioanal Chem 405, 9477–9487 (2013). https://doi.org/10.1007/s00216-013-7383-2
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DOI: https://doi.org/10.1007/s00216-013-7383-2


