NK1 receptor blocker
... that the first registered clinical use of an NK1 receptor blocker was the treatment of nausea and vomiting induced by chemotherapy?
... that the first registered clinical use of an <b id="mwB2A"><a class="mw-redirect" href="./Discovery_and_development_of_neurokinin_1_receptor_antagonists" id="mwB2E" rel="mw:WikiLink" title="Discovery and development of neurokinin 1 receptor antagonists">NK<sub id="mwB2I">1</sub> receptor blocker</a></b> was the treatment of <a href="./Nausea" id="mwB2M" rel="mw:WikiLink" title="Nausea">nausea</a> and <a class="mw-redirect" href="./Vomit" id="mwB2Q" rel="mw:WikiLink" title="Vomit">vomiting</a> induced by <a href="./Chemotherapy" id="mwB2U" rel="mw:WikiLink" title="Chemotherapy">chemotherapy</a>?