JP2008508276A - トラネキサム酸製剤 - Google Patents
トラネキサム酸製剤 Download PDFInfo
- Publication number
- JP2008508276A JP2008508276A JP2007523556A JP2007523556A JP2008508276A JP 2008508276 A JP2008508276 A JP 2008508276A JP 2007523556 A JP2007523556 A JP 2007523556A JP 2007523556 A JP2007523556 A JP 2007523556A JP 2008508276 A JP2008508276 A JP 2008508276A
- Authority
- JP
- Japan
- Prior art keywords
- tranexamic acid
- pharmaceutically acceptable
- acceptable salt
- formulation
- oral
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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Abstract
Description
本発明は、以下の非限定的な実施例に関して、さらに理解されるであろう。本発明の別の変形態様又は実施形態についても、上記記載及び実施例に基づいて、当業者には明らかであろう。従って、上記実施形態は、本発明の範囲を限定するものと解釈されるべきではない。
生物学的利用能及び生物学的同等性についての評価
実施例3では、絶食条件下にある健康な成人女性のボランティアにおいて、実施例1及び実施例2に準じて調製したトラネキサム酸錠剤についての、比較・無作為化・単回投与・4ウェイ・クロスオーバー絶対生物学的利用能(BA)及び生物学的同等性(BE)試験を実施した。その目的は、実施例2に準じて調製したトラネキサム酸の放出調節錠剤と比較して実施例1に準じて調製した650mg即放性錠剤の生物学的同等性を評価すること、及び認可されているファルマシア&アップジョン(Pharmacia & Upjohn)製のIV(1g)製剤「Cyklokapron(登録商標)」に対する該錠剤の生物学的利用能を求めることであった。試験設計は、無作為化4ウェイクロスオーバー比較BE及びBAの測定であった。投与した全ての経口用量は1.3gであった。28人の健康な非喫煙成人女性ボランティア被検者が、この試験に登録した。サンプルサイズは、AUCinf中の25%CVと仮定して計算した。この試験のエンドポイントは、薬物を単回投与してから36時間後までにわたって得た血清濃度-時間データに基づいた、放出調節製剤の薬物動態パラメータAUC0-t、AUQnf及びCmaxの最小二乗平均の即放性製剤に対する比率の90%信頼区間であった。さらに、当該錠剤の生物学的利用能を計算した。喫煙者、経口避妊薬の使用者、血栓塞栓症のイベント及び視覚変化(altered vision)の既往歴を有するものは、この試験から除いた。血清トラネキサム酸ピーク濃度に晒される推定時間の前、推定時間の間及び推定時間の後に、ECGモニタリングを行った。試験期間を通して、有害なイベントを捕らえ、記録した。
AUMC/AUC+注入時間/2
[ここで、AUMCは、モーメント-時間曲線下面積である]
MTT: 放出調節製剤及び即放性製剤を経口投与した後、トラネキサム酸の平均通過時間(MTT)は、AUMCをAUCで除することにより計算した。
MAT: 上記2種類の製剤についての平均吸収時間(MAT)は、MTTからMRTを減じることにより得た。
血漿中のトラネキサム酸についてのIn変換された薬物動態パラメータ「AUC0-t」、「AUQnf」及び「Cmax」を解析することにより得られた最小二乗平均の比率と90%信頼区間は、絶食条件下における即放性製剤に対する放出調節製剤について、80〜125%(食品医薬品局(FDA)による許容範囲)の範囲内であった。
Claims (22)
- トラネキサム酸による治療を必要としている患者を治療する方法であって、ヒトへの単回経口投与後約9〜約15mcg/mLのトラネキサム酸の平均最大血漿濃度(Cmax)を提供する少なくとも1つの経口製剤中の約1300mgのトラネキサム酸又はその製薬上許容される塩を該患者に経口投与することを含む、前記方法。
- 前記少なくとも1つの経口製剤が、ヒトへの経口投与後、約2〜約4時間の最大血漿濃度に達するまでの平均時間(Tmax)を提供する、請求項1に記載の方法。
- 前記製剤が、7.21±1.01時間のトラネキサム酸の平均通過時間を提供する、請求項1に記載の方法。
- 前記製剤が、3.70±0.94時間のトラネキサム酸の平均吸収時間を提供する、請求項1に記載の方法。
- 前記少なくとも1つの経口製剤が、2つの経口製剤である、請求項1に記載の方法。
- 前記患者が、月経過多症、子宮頚部円錐切除術、鼻出血、前房出血若しくは遺伝性血管神経性浮腫を患っている患者、口腔外科術を受けていて血液凝固障害を患っている患者、又はそれらを組み合わせたものを患っている患者である、請求項1に記載の方法。
- 約650mgのトラネキサム酸又はその製薬上許容される塩と製薬上許容される賦形剤を含む経口製剤であって、米国薬局方(USP 27)II型装置パドル法(50RPM)により900mLの水中で37±0.5℃で測定したときに、約45分で少なくとも約70重量%のトラネキサム酸が放出される、トラネキサム酸又はその製薬上許容される塩のインビトロ溶出率を提供する、前記経口製剤。
- 米国薬局方(USP 27)II型装置パドル法(50RPM)により900mLの水中で37±0.5℃で測定したときに、約15分で約0%〜約100重量%のトラネキサム酸又はその製薬上許容される塩が放出され、約30分で約30%〜約100重量%のトラネキサム酸又はその製薬上許容される塩が放出され、約45分で約70%〜約95重量%のトラネキサム酸又はその製薬上許容される塩が放出され、約60分で約100重量%のトラネキサム酸又はその製薬上許容される塩が放出される、トラネキサム酸又はその製薬上許容される塩のインビトロ溶出率を提供する、請求項7に記載の経口製剤。
- 患者集団全員に経口投与されたときに、7.21±1.01時間のトラネキサム酸の平均通過時間を提供する、請求項7に記載の経口製剤。
- 患者集団全員に経口投与されたときに、3.70±0.94時間のトラネキサム酸の平均吸収時間を提供する、請求項7に記載の経口製剤。
- 前記製薬上許容される賦形剤が希釈剤を含む、請求項7に記載の経口製剤。
- 前記希釈剤が、デキストロース、スクロース、デンプン、粉末セルロース、ラクトース、マンニトール、微晶質セルロース及びそれらの組合せからなる群から選択される、請求項11に記載の経口製剤。
- 前記製薬上許容される賦形剤が、流動促進剤、界面活性剤、着色剤、矯味矯臭剤、滑沢剤又はそれらの組合せを含む、請求項7に記載の経口製剤。
- トラネキサム酸による治療を必要としている患者を治療する方法であって、2つの製剤を該患者に経口投与することを含み、各製剤が約650mgのトラネキサム酸又はその製薬上許容される塩と製薬上許容される賦形剤を含む、前記方法。
- 前記製剤が、米国薬局方(USP 27)II型装置パドル法(50RPM)により900mLの水中で37±0.5℃で測定したときに、約45分で少なくとも約70重量%のトラネキサム酸が放出される、トラネキサム酸又はその製薬上許容される塩のインビトロ溶出率を提供する、請求項14に記載の方法。
- 前記製剤を前記患者に1日当たり3回投与する、請求項14に記載の方法。
- 前記製薬上許容される賦形剤が希釈剤を含む、請求項14に記載の方法。
- 前記希釈剤が、デキストロース、スクロース、デンプン、粉末セルロース、ラクトース、マンニトール、微晶質セルロース及びそれらの組合せからなる群から選択される、請求項17に記載の方法。
- 前記製薬上許容される賦形剤が、流動促進剤、界面活性剤、着色剤、矯味矯臭剤、滑沢剤又はそれらの組合せを含む、請求項14に記載の方法。
- トラネキサム酸又はその製薬上許容される塩と製薬上許容される賦形剤を含む経口製剤であって、40%を超えるトラネキサム酸の生物学的利用能を提供する、前記経口製剤。
- 約650mgのトラネキサム酸又はその製薬上許容される塩を含む、請求項20に記載の経口製剤。
- 米国薬局方(USP 27)II型装置パドル法(50RPM)により900mLの水中で37±0.5℃で測定したときに、約45分で少なくとも約70重量%のトラネキサム酸が放出される、トラネキサム酸又はその製薬上許容される塩のインビトロ溶出率を提供する、請求項21に記載の経口製剤。
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WO2006023000A1 (en) | 2006-03-02 |
JP2014193878A (ja) | 2014-10-09 |
WO2006023001A1 (en) | 2006-03-02 |
JP5205053B2 (ja) | 2013-06-05 |
JP2008508275A (ja) | 2008-03-21 |
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