-- LTRファーマ(ASX:LTP)は、勃起不全治療薬である点鼻スプレー「SPONTAN」の第2相臨床試験の中間薬物動態および安全性データにおいて、最高血中濃度到達時間の短縮と一貫した安全性プロファイルが示されたと、金曜日にオーストラリア証券取引所に提出した書類で発表した。 この試験では、米国食品医薬品局(FDA)が要求する主要な薬物動態パラメータ、すなわち迅速な吸収、反復投与時の挙動、成人および高齢者集団における一貫性などが評価された。提出書類によると、このデータは、最終的な統計解析の完了を条件として、同社が計画しているFDA 505(b)(2)承認経路を支持するものである。 SPONTAN(5mg)の最高血中濃度到達時間(Tmax)の中央値は10分であったのに対し、バルデナフィル20mg経口錠のTmaxの中央値は60分であった。 SPONTANのTmax範囲は10分から15分でした。経口錠剤のTmaxは30分から180分でした。 65歳以上の被験者における薬物動態プロファイルは成人コホートとほぼ同等であり、データセットに明らかな差異は認められませんでした。SPONTANを5日間連続して鼻腔内投与しても、薬物蓄積は認められませんでした。 提出書類によると、重篤または重度の治療関連有害事象は認められませんでした。 同社の株価は金曜日の直近の取引で28%上昇しました。
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