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The activation of myocardial adenosine\u2005A<jats:sub>1<\/jats:sub> receptors (A<jats:sub>1<\/jats:sub>Rs) has been shown to inhibit myocardial pathologies associated with ischemia and reperfusion injury, suggesting several options for new cardiovascular therapies. When full A<jats:sub>1<\/jats:sub>R agonists are used, the desired protective and regenerative cardiovascular effects are usually overshadowed by unintended pharmacological effects such as induction of bradycardia, atrioventricular (AV) blocks, and sedation. These unwanted effects can be overcome by using partial A<jats:sub>1<\/jats:sub>R agonists. Starting from previously reported capadenoson we evaluated options to tailor A<jats:sub>1<\/jats:sub>R agonists to a specific partiality range, thereby optimizing the therapeutic window. This led to the identification of the potent and selective agonist neladenoson, which shows the desired partial response on the A<jats:sub>1<\/jats:sub>R, resulting in cardioprotection without sedative effects or cardiac AV blocks. To circumvent solubility and formulation issues for neladenoson, a prodrug approach was pursued. The dipeptide ester neladenoson bialanate hydrochloride showed significantly improved solubility and exposure after oral administration. Neladenoson bialanate hydrochloride is currently being evaluated in clinical trials for the treatment of heart failure.<\/jats:p>","DOI":"10.1002\/cmdc.201700151","type":"journal-article","created":{"date-parts":[[2017,5,10]],"date-time":"2017-05-10T08:06:48Z","timestamp":1494403608000},"page":"728-737","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":53,"title":["Neladenoson Bialanate Hydrochloride: A Prodrug of a Partial Adenosine\u2005A<sub>1<\/sub> Receptor Agonist for the Chronic Treatment of Heart Diseases"],"prefix":"10.1002","volume":"12","author":[{"given":"Daniel","family":"Meibom","sequence":"first","affiliation":[{"name":"Medicinal Chemistry Wuppertal Bayer AG  42113 Wuppertal Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Barbara","family":"Albrecht\u2010K\u00fcpper","sequence":"additional","affiliation":[{"name":"Department of Cardiology Research Wuppertal Bayer AG  42113 Wuppertal 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