男性避孕药出来了
<p><span word="For">For</span> <span word="years">years</span>, <span word="scientists">scientists</span> <span word="have">have</span> <span word="been">been</span> <span word="trying">trying</span> <span word="to">to</span> <span word="develop">develop</span> <span word="a">a</span> <span word="safe">safe</span> <span word="and">and</span> <span word="effective">effective</span> <span word="version">version</span> <span word="of">of</span> <span word="the">the</span> <span word="pill">pill</span> <span word="for">for</span> <span word="men">men</span>, <span word="and">and</span> <span word="a">a</span> <span word="new">new</span> <span word="drug">drug</span> <span word="candidate">candidate</span> <span word="could">could</span> <span word="be">be</span> <span word="the">the</span> <span word="contraceptive">contraceptive</span> <span word="we">we</span>'<span word="ve">ve</span> <span word="been">been</span> <span word="looking">looking</span> <span word="for">for</span>.</p><p>多年来，科学家们一直在努力开发出一种安全有效的男性避孕药，一种新的候选药物可能就是我们一直在寻找的避孕药。</p><p><span word="Now">Now</span>, <span word="scientists">scientists</span> <span word="in">in</span> <span word="the">the</span> <span word="US">US</span> <span word="announced">announced</span> <span word="that">that</span> <span word="an">an</span> <span word="experimental">experimental</span> <span word="oral">oral</span> <span word="drug">drug</span> <span word="called">called</span> 11-<span word="beta">beta</span>-<span word="MNTDC">MNTDC</span> <span word="looks">looks</span> <span word="to">to</span> <span word="be">be</span> <span word="safe">safe</span> <span word="and">and</span> <span word="tolerable">tolerable</span>, <span word="based">based</span> <span word="on">on</span> <span word="results">results</span> <span word="from">from</span> <span word="a">a</span> <span word="phase">phase</span> 1 <span word="clinical">clinical</span> <span word="trial">trial</span> <span word="involving">involving</span> 40 <span word="men">men</span>.</p><p>现在，美国科学家宣布，一种名为11-β- <span word="mntdc">mntdc</span>的实验性口服药物看起来是安全且可耐受的，这是基于40名男性参与的一期临床试验的结果。</p><p>"<span word="Our">Our</span> <span word="results">results</span> <span word="suggest">suggest</span> <span word="that">that</span> <span word="this">this</span> <span word="pill">pill</span>, <span word="which">which</span> <span word="combines">combines</span> <span word="two">two</span> <span word="hormonal">hormonal</span> <span word="activities">activities</span> <span word="in">in</span> <span word="one">one</span>, <span word="will">will</span> <span word="decrease">decrease</span> <span word="sperm">sperm</span> <span word="production">production</span> <span word="while">while</span> <span word="preserving">preserving</span> <span word="libido">libido</span>," <span word="says">says</span> <span word="male">male</span> <span word="reproduction">reproduction</span> <span word="biologist">biologist</span> <span word="Christina">Christina</span> <span word="Wang">Wang</span> <span word="from">from</span> <span word="the">the</span> <span word="Los">Los</span> <span word="Angeles">Angeles</span> <span word="Biomedical">Biomedical</span> <span word="Research">Research</span> <span word="Institute">Institute</span> (<span word="LA">LA</span> <span word="BioMed">BioMed</span>).</p><p>洛杉矶生物医学研究所(<span word="LA">LA</span> <span word="BioMed">BioMed</span>)的男性生殖生物学家<span word="Christina">Christina</span> <span word="Wang">Wang</span>说:“我们的研究结果表明，这种将两种激素活动结合在一起的药物，将在保持性欲的同时降低精子产量。”</p><p><span word="In">In</span> <span word="the">the</span> <span word="clinical">clinical</span> <span word="trial">trial</span>, <span word="Wang">Wang</span> <span word="and">and</span> <span word="her">her</span> <span word="team">team</span> <span word="recruited">recruited</span> 40 <span word="healthy">healthy</span> <span word="men">men</span>.</p><p>在临床试验中，王和她的团队招募了40名健康男性。</p><p><span word="For">For</span> 28 <span word="days">days</span>, 30 <span word="of">of</span> <span word="these">these</span> <span word="participants">participants</span> <span word="took">took</span> <span word="a">a</span> <span word="low">low</span> <span word="or">or</span> <span word="higher">higher</span> <span word="daily">daily</span> <span word="dose">dose</span> <span word="of">of</span> <span word="the">the</span> 11-<span word="beta">beta</span>-<span word="MNTDC">MNTDC</span>, <span word="while">while</span> <span word="the">the</span> <span word="remaining">remaining</span> 10 <span word="men">men</span> <span word="took">took</span> <span word="a">a</span> <span word="placebo">placebo</span>.</p>
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