JP5837732B2 - ピルフェニドンおよび薬学的に受容可能な賦形剤のカプセル処方物 - Google Patents
ピルフェニドンおよび薬学的に受容可能な賦形剤のカプセル処方物 Download PDFInfo
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- JP5837732B2 JP5837732B2 JP2008532431A JP2008532431A JP5837732B2 JP 5837732 B2 JP5837732 B2 JP 5837732B2 JP 2008532431 A JP2008532431 A JP 2008532431A JP 2008532431 A JP2008532431 A JP 2008532431A JP 5837732 B2 JP5837732 B2 JP 5837732B2
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Description
(開示の分野)
本開示は、一般的に、化学名が5−メチル−1−フェニル−2−(1H)−ピリドンである小薬物分子のピルフェニドンに関する。具体的には、本開示は、薬学的に受容可能な賦形剤を含むピルフェニドンのカプセル処方物に関する。さらに線維性状態およびサイトカインに媒介される他の障害の処置においてそのようなカプセル処方物を使用する方法を提供する。
ピルフェニドンは、185.23ダルトンの分子量を有する非ペプチド性合成分子である。その化学元素は、C12H11NOで表わされ、その構造は公知である。ピルフェニドンの合成は、明らかとなっている。ピルフェニドンは製造され、臨床的に広いスペクトルの抗線維症薬として評価されている。ピルフェニドンは、TNF−a発現の減少、PDGF発現の減少、および膠原発現の減少を介する抗線維性特性を有する。いくつかのピルフェニドン治験新薬申請(IND)が、現時点で米国食品医薬品局に申請されている。フェーズIIヒト試験が近年肺線維症、腎糸球体硬化症および肝硬変に関して進行中であるか、または完了している。良性前立腺肥大症、過形成性瘢痕(ケロイド)、慢性関節リウマチを処置するためにピルフェニドンを使用した他のフェーズII試験もある。
Zhangら、Australian and New England Journal Ophthalmology,26;S74−S76,1998年 Cainら、International Journal Immunopharmacology,20:685−695,1998年
それ故、本開示の目的は、有利な治療効果のあるピルフェニドンの薬学的処方物を提供することにある。関連する目的は、所望の薬物動態学的応答を導き、持続させることのできるピルフェニドンの薬学的処方物を、それを必要とする患者に提供することである。本開示の別の目的は、そのような処方物を使用する線維症性状態および他のサイトカイン媒介性障害を処置するための方法を提供することにある。
(関連用語についての考察)
本開示を通して、関連する用語は、関連分野(すなわち、薬学化学、医学、生物学、遺伝学、分子生物学、生化学、生理学、ゲノミクス、薬理ゲノミクス、バイオインフォマティクス、コンピュータ生物学およびケムインフォマティクスの分野)において確立された代表的な意味と一致して理解される。しかしながら、さらなる分類および説明が、以下に述べる特定の用語について提供される:
用語、薬剤、薬学製品、薬物製品、薬物化学物質、薬物化合物、化合物、および化学物質が、本開示を通して交換可能に使用される。
ヒト被験体における種々の薬物動態学的研究が報告されており、これには健常成人男性における1つの研究(Schmidt RM、Ritter AおよびMargolin S、1974、Bioavailability of Pirfenidone Capsules Following Oral Administration(Human Volunteers)(60−244−73)、10月11日1974年。Affiliated Medical Research,Inc.,Princeton,New Jersey、これ以後「Schmidt 1974」)、および肺線維症を有する患者における2つの研究(Nagai S,Hamada K,Shigematsu M,Taniyama M,Yamauchi SおよびIzumi T,2002,Open Label Compassionate Use One Year−Treatment with Pirfenidone to Patients with Chronic Pulmonary Fibrosis,Intern Med 41:1118−1123,これ以後「Nagai 2002」;およびAzuma A,Nukiwa T,Tsuboi Eら、2005、Double−Blind,Placebo Controlled Trial of Pirfenidone in Patients with Idiopathic Pulmonary Fibrosis,Am J Respir Crit Care Med.,これ以後「Shionogi Phase II」)が挙げられる。
薬学的研究および製造の当業者において、一般的に、錠剤処方物は、賦形剤およびコーティング物質、特に高パーセントの充填剤を含む非API成分の大量添加を許容することが公知である。しかしながら、非API成分の添加は、各錠剤に収容されるAPIの量を制限し得る。反対に、カプセル処方物は、非API成分を含まないか、またはより少ない非API成分しか含まずに高パーセントのAPIを含有することを容易にする。カプセルは、錠剤でより使用される充填剤に代わって、大量の結合剤の含有を可能にし得る。高パーセントのAPIが所望され、具体的な賦形剤が必須であることが知られていない場合、カプセル処方物がしばしば適用される。
本開示の1つの実施形態は、線維症性状態および他のサイトカイン媒介性障害を処置するための方法を提供する。これらの方法は、線維症性状態またはサイトカイン媒介性障害を患っている患者に本開示の賦形剤含有ピルフェニドンカプセルを投与する工程を包含する。この投薬は、1回の摂取につき1つ以上のカプセルでの、1日2回または3回であり得る。特定の実施形態に従って、総1日摂取量は、少なくとも1200mgピルフェニドンである。総1日摂取量は、患者プロフィール(とりわけ、患者の人口統計的特徴、生理学的および遺伝的状態、ならびに疾患予後を含む)に依存して変更し得る。例えば、子供または高齢者は、通常の成人に与えられるよりも1日あたり低用量で与えられ得る。
1)中枢神経系症候群:再発性−寛解性(remitting)多発性硬化症、一次性および二次性多発性硬化症、脊髄性多発性硬化症、大脳マラリア、CNSのウイルス感染または細菌感染、細菌性髄膜炎、中枢神経系(CNS)の「自己免疫」疾患、CNSの卒中および塞栓、脳浮腫、パーキンソン症候群、アルツハイマー病、筋萎縮性側索硬化症(ALS)ならびに脳震とうまたは脳挫傷;
2)骨格筋症候群:慢性関節リウマチ、外傷誘導性関節炎、微生物感染または寄生虫感染により生じる関節炎、腱炎、および医療製品または薬物(合成小分子ならびに精製天然ペプチドまたはタンパク質、あるいは合成ペプチドまたはタンパク質を含む)により誘導される関節炎;
3)肺性症候群:急性成人呼吸促進症候群、喘息、アレルギー性鼻炎、アレルギー性結膜炎、慢性閉塞性肺疾患(COPD)および肺性サルコイドーシス;
4)全身性免疫性、炎症性または毒性症候群:内毒素性ショック症候群、敗血症性ショック、対宿主性移植片病、同種移植片血管症、出血性ショック、脳または心筋の再灌流障害、熱傷、放射線障害、全身性または皮膚の外傷または挫傷障害、好酸球性肉芽種、糖尿病(II型)、または全身性エリトマトーデス;
5)胃腸管症候群:クローン病、潰瘍性大腸炎、および肝臓の炎症性疾患;および
6)うっ血性心不全。
Claims (18)
- 5−メチル−1−フェニル−2−(1H)−ピリドンの顆粒処方物を含有するカプセルであって、ここで該カプセルが、5〜30重量%の薬学的に受容可能な賦形剤および70〜95重量%の5−メチル−1−フェニル−2−(1H)−ピリドンを含有し、該薬学的に受容可能な賦形剤が、滑沢剤、充填剤、崩壊剤、並びに微結晶セルロース及びポビドンを含む結合剤を含み、該結合剤の総量が、該カプセルの2〜30重量%であり、該ポビドンが該カプセルの1〜4重量%の量で含まれる、カプセル。
- 前記崩壊剤が、カンテン、アルギン、炭酸カルシウム、カルボキシメチルセルロース、セルロース、クレー、コロイド状二酸化ケイ素、クロスカルメロースナトリウム、クロスポビドン、ゴム、ケイ酸アルミニウムマグネシウム、メチルセルロース、ポラクリリンカリウム、アルギン酸ナトリウム、低置換ヒドロキシプロピルセルロース、および架橋ポリビニルピロリドンヒドロキシプロピルセルロース、グリコール酸ナトリウムデンプン、およびデンプンのうちの1つ以上を含む、請求項1に記載のカプセル。
- 前記結合剤が、ヒドロキシメチルセルロースおよびヒドロキシプロピルセルロースのうちの1つ以上をさらに含む、請求項1に記載のカプセル。
- 前記充填剤が、炭酸カルシウム、リン酸カルシウム、第二リン酸カルシウム、第三硫酸カルシウム、カルボキシメチルセルロースカルシウム、セルロース、デキストレート、デキストリン、デキストロース、フルクトース、ラクチトール、ラクトース、炭酸マグネシウム、酸化マグネシウム、マルチトール、マルトデキストリン、マルトース、ソルビトール、デンプン、スクロース、糖、およびキシリトールのうちの1つ以上を含む、請求項1に記載のカプセル。
- 前記滑沢剤が、カンテン、ステアリン酸カルシウム、オレイン酸エチル、ラウリン酸エチル、グリセリン、パルミトステアリン酸グリセリン、硬化植物油、酸化マグネシウム、ステアリン酸マグネシウム、マンニトール、ポロクサマー、グリコール、安息香酸ナトリウム、ラウリル硫酸ナトリウム、ステアリルナトリウム、ソルビトール、ステアリン酸、タルク、およびステアリン酸亜鉛のうちの1つ以上を含む、請求項1に記載のカプセル。
- 前記崩壊剤が2〜10重量%、前記充填剤が2〜30重量%、および前記滑沢剤が0.3〜0.8重量%である、請求項1〜5のいずれか1項に記載のカプセル。
- 前記賦形剤が、滑沢剤としてのステアリン酸マグネシウムと、崩壊剤としてのクロスカルメロースナトリウムとを含む、請求項1〜6のいずれか1項に記載のカプセル。
- 前記カプセルが、100〜400mgの5−メチル−1−フェニル−2−(1H)−ピリドンを含有する、請求項1〜7のいずれか1項に記載のカプセル。
- 線維症性状態を患っている患者の線維症性状態を処置するため、または、多発性硬化症、関節炎、喘息、慢性鼻炎、および浮腫から選ばれるサイトカインにより媒介される障害を患っている患者において該サイトカインの作用を阻害するための、請求項1に記載のカプセル。
- 前記線維症性状態が、肺線維症、肝線維症、心線維症、ケロイド、皮膚線維症、冠状再狭窄、および術後の癒着のうちの1つである、請求項9に記載のカプセル。
- 前記肺線維症が、特発性肺線維症およびヘルマンスキー−パドラック症候群のうちの1つである、請求項10に記載のカプセル。
- 前記肺線維症が、特発性肺線維症である、請求項11に記載のカプセル。
- 前記サイトカインが、TNF−a、TGF−β1、bFGF、PDGF、およびEGFのうちの1つ以上を含む、請求項9に記載のカプセル。
- 前記カプセルは、前記患者に1日1回以上、1つ以上が投与されることを特徴とし、ここで、5−メチル−1−フェニル−2−(1H)−ピリドンの総摂取量が少なくとも1日1200mgである、請求項9〜13のいずれか1項に記載のカプセル。
- 前記1つ以上のカプセルが、1日2回、または1日3回患者に投与されることを特徴とする、請求項14に記載のカプセル。
- 前記カプセルおよび前記処方物が、少なくとも18ヶ月安定である、請求項1〜8のいずれか1項に記載のカプセル。
- 前記カプセルおよび前記処方物が、25℃および60%相対湿度で保存された場合、少なくとも18ヶ月安定であるか、30℃および65%相対湿度で保存された場合、少なくとも18ヶ月安定であるか、または、40℃および75%相対湿度で保存された場合、少なくとも12ヶ月安定である、請求項16に記載のカプセル。
- 線維症性状態を処置するため、または、多発性硬化症、関節炎、喘息、慢性鼻炎、および浮腫から選ばれるサイトカインにより媒介される障害を患っている患者において該サイトカインの作用を阻害するための医薬の製造における、請求項1〜8、16または17のいずれか1項において規定されるカプセルの使用。
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KR101767849B1 (ko) | 2007-06-20 | 2017-08-11 | 오스펙스 파마슈티칼스, 인코포레이티드 | 섬유증 저해제로서의 치환된 n-아릴 피리디논 |
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