JP5549669B2 - 眼科用組成物、ドライアイ治療剤及びビタミンaの安定化方法 - Google Patents
眼科用組成物、ドライアイ治療剤及びビタミンaの安定化方法 Download PDFInfo
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- JP5549669B2 JP5549669B2 JP2011519434A JP2011519434A JP5549669B2 JP 5549669 B2 JP5549669 B2 JP 5549669B2 JP 2011519434 A JP2011519434 A JP 2011519434A JP 2011519434 A JP2011519434 A JP 2011519434A JP 5549669 B2 JP5549669 B2 JP 5549669B2
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- GEYJUFBPCGDENK-UHFFFAOYSA-M sodium;3,8-dimethyl-5-propan-2-ylazulene-1-sulfonate Chemical compound [Na+].CC(C)C1=CC=C(C)C2=C(S([O-])(=O)=O)C=C(C)C2=C1 GEYJUFBPCGDENK-UHFFFAOYSA-M 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 235000010356 sorbitol Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- XOAAWQZATWQOTB-UHFFFAOYSA-N taurine Chemical compound NCCS(O)(=O)=O XOAAWQZATWQOTB-UHFFFAOYSA-N 0.000 description 1
- 229940021790 tetrahydrozoline hydrochloride Drugs 0.000 description 1
- 229960000337 tetryzoline Drugs 0.000 description 1
- RTKIYNMVFMVABJ-UHFFFAOYSA-L thimerosal Chemical compound [Na+].CC[Hg]SC1=CC=CC=C1C([O-])=O RTKIYNMVFMVABJ-UHFFFAOYSA-L 0.000 description 1
- 229940033663 thimerosal Drugs 0.000 description 1
- GYDJEQRTZSCIOI-LJGSYFOKSA-N tranexamic acid Chemical compound NC[C@H]1CC[C@H](C(O)=O)CC1 GYDJEQRTZSCIOI-LJGSYFOKSA-N 0.000 description 1
- 229960000401 tranexamic acid Drugs 0.000 description 1
- NZHGWWWHIYHZNX-CSKARUKUSA-N tranilast Chemical compound C1=C(OC)C(OC)=CC=C1\C=C\C(=O)NC1=CC=CC=C1C(O)=O NZHGWWWHIYHZNX-CSKARUKUSA-N 0.000 description 1
- 229960005342 tranilast Drugs 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 229960004791 tropicamide Drugs 0.000 description 1
- 239000000811 xylitol Substances 0.000 description 1
- 235000010447 xylitol Nutrition 0.000 description 1
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 1
- 229960002675 xylitol Drugs 0.000 description 1
- 239000011576 zinc lactate Substances 0.000 description 1
- 235000000193 zinc lactate Nutrition 0.000 description 1
- 229940050168 zinc lactate Drugs 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 239000002076 α-tocopherol Substances 0.000 description 1
- 235000004835 α-tocopherol Nutrition 0.000 description 1
- 229930007845 β-thujaplicin Natural products 0.000 description 1
- QUEDXNHFTDJVIY-DQCZWYHMSA-N γ-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1 QUEDXNHFTDJVIY-DQCZWYHMSA-N 0.000 description 1
- QUEDXNHFTDJVIY-UHFFFAOYSA-N γ-tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1 QUEDXNHFTDJVIY-UHFFFAOYSA-N 0.000 description 1
- GZIFEOYASATJEH-VHFRWLAGSA-N δ-tocopherol Chemical compound OC1=CC(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1 GZIFEOYASATJEH-VHFRWLAGSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/045—Hydroxy compounds, e.g. alcohols; Salts thereof, e.g. alcoholates
- A61K31/07—Retinol compounds, e.g. vitamin A
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/20—Carboxylic acids, e.g. valproic acid having a carboxyl group bound to a chain of seven or more carbon atoms, e.g. stearic, palmitic, arachidic acids
- A61K31/203—Retinoic acids ; Salts thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/21—Esters, e.g. nitroglycerine, selenocyanates
- A61K31/215—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids
- A61K31/22—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acyclic acids, e.g. pravastatin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/21—Esters, e.g. nitroglycerine, selenocyanates
- A61K31/215—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids
- A61K31/22—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acyclic acids, e.g. pravastatin
- A61K31/23—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acyclic acids, e.g. pravastatin of acids having a carboxyl group bound to a chain of seven or more carbon atoms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0048—Eye, e.g. artificial tears
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
- A61P27/02—Ophthalmic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
- A61K47/10—Alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene glycols [PEG]; Poloxamers; PEG/POE alkyl ethers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/08—Solutions
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Description
[1].(A)ビタミンAを50,000単位/100mL以上500,000単位/100mL以下と、(B)ポリオキシエチレンポリオキシプロピレングリコール0.4〜5W/V%と、(C)トロメタモールとを含有し、[(A)ビタミンA単位/100mL]/[(B)ポリオキシエチレンポリオキシプロピレングリコールg/100mL]で表される(A)成分と(B)成分との比率が、10,000〜150,000である眼科用組成物。
[2].(A)成分の含有量が、100,000単位/100mL以上500,000単位/100mL以下である[1]記載の眼科用組成物。
[3].(A)成分の含有量が、200,000単位/100mL以上500,000単位/100mL以下である[1]記載の眼科用組成物。
[4].(A)成分の含有量が、300,000単位/100mL以上500,000単位/100mL以下である[1]記載の眼科用組成物。
[5].さらに、(D)抗酸化剤を含有する[1]〜[4]のいずれかに記載の眼科用組成物。
[6].(D)成分が、ビタミンE及び/又はジブチルヒドロキシトルエンである[5]記載の眼科用組成物。
[7].(A)成分が、レチノールパルミチン酸エステル、レチノール酢酸エステル又はレチノイン酸である[1]〜[6]のいずれかに記載の眼科用組成物。
[8].(B):(C)で表される(B)成分と(C)成分との質量比が、1:30〜30:1である[1]〜[7]のいずれかに記載の眼科用組成物。
[9].(A)ビタミンAを50,000単位/100mL以上500,000単位/100mL以下と、(B)ポリオキシエチレンポリオキシプロピレングリコール0.4〜5W/V%と、(C)トロメタモールとを有効成分として含有し、[(A)ビタミンA単位/100mL]/[(B)ポリオキシエチレンポリオキシプロピレングリコールg/100mL]で表される(A)成分と(B)成分との比率が、10,000〜150,000であるドライアイ治療剤。
[10].(A)ビタミンAを50,000単位/100mL以上500,000単位/100mL以下含有する眼科用組成物に、(B)ポリオキシエチレンポリオキシプロピレングリコール0.4〜5W/V%と、(C)トロメタモールとを、[(A)ビタミンA単位/100mL]/[(B)ポリオキシエチレンポリオキシプロピレングリコールg/100mL]で表される(A)成分と(B)成分との比率10,000〜150,000で配合することを特徴とするビタミンAの安定化方法。
ビタミンAとしては、ビタミンAそれ自体の他に、ビタミンA油等のビタミンA含有混合物、ビタミンA脂肪酸エステル等のビタミンA誘導体等が挙げられる。具体的には、レチノールパルミチン酸エステル、レチノール酢酸エステル、レチノール、レチノイン酸、レチノイド等が挙げられる。中でも、レチノールパルミチン酸エステル、レチノール酢酸エステル、レチノイン酸が好ましい。レチノールパルミチン酸エステルは、通常100万〜180万国際単位(以下、単位又はI.U.と略記する)のものが市販されており、具体的には、ロッシュ・ビタミン・ジャパン株式会社製「パルミチン酸レチノール」(170万I.U./g)等が挙げられる。
本発明において、(B)ポリオキシエチレンポリオキシプロピレングリコールを用いることで、ビタミンAを50,000単位/100mL以上含有する眼科用組成物であっても、その安定性を保つことができると共に、目に対する刺激性も少なく、角膜損傷治療及びドライアイ治療効果が向上する。これらの効果は、例えば点眼剤に良く使用されるソルビタン脂肪酸エステル、ポリオキシエチレン硬化ヒマシ油等の界面活性剤では不十分である。ポリオキシエチレンポリオキシプロピレングリコールは特に限定されるものではなく、医薬品添加物規格(薬添規)に記載されたものを用いることができる。エチレンオキシドの平均重合度は4〜200が好ましく、20〜200がより好ましく、プロピレンオキシドの平均重合度は5〜100が好ましく、20〜70がより好ましく、ブロック共重合体でもランダム重合体でもよい。
本発明の眼科用組成物には、ビタミンAの保存安定性向上の点から、トロメタモールを配合することが好ましい。トロメタモールにビタミンAの保存安定性向上効果があることは、本発明者の新知見である。このメカニズムは明らかではないが、例えば、以下のようにも考えられる。ポリオキシエチレンポリオキシプロピレングリコールは、ポリオキシエチレン(EO)鎖とポリオキシプロピレン(PO)鎖を持つ非イオン性界面活性剤である。EO鎖を外側、PO鎖を内側にしてビタミンAを包み込み、ミセルを形成する。トロメタモールが共存すると、トロメタモール中に存在する−NH2基が、EO鎖のエーテル結合と直接結合するため、ミセルの構造を強固にする。さらにトロメタモールは、ミセル外側のEO鎖と結合することにより、ミセル構造を強固にして自由度を低下させ、その結果、ミセル内部のPO鎖の分子運動性を低下させる。以上のことから、トロメタモールは、ビタミンAとポリオキシエチレンポリオキシプロピレングリコールとから形成されたミセルの安定化に寄与し、結果としてビタミンAの保存安定性にも寄与すると考えられる。
本発明の眼科用組成物には、ビタミンAの保存安定性向上の点から、抗酸化剤を配合することが好ましい。抗酸化剤としては、d−α−トコフェロール、d−β−トコフェロール、d−γ−トコフェロール、d−δ−トコフェロール、dl−α−トコフェロール、酢酸d−α−トコフェロール、酢酸dl−α−トコフェロール、酢酸dl−β−トコフェロール、酢酸dl−γ−トコフェロール、酢酸dl−δ−トコフェロール、ニコチン酸dl−α−トコフェロール等のビタミンE類、ジブチルヒドロキシトルエン、ブチルヒドロキシアニソール等の脂溶性抗酸化剤、ビタミンC、ヒドロキノン、システイン、グルタチオン等の水溶性抗酸化剤等が挙げられる。中でも、ビタミンE等の脂溶性抗酸化剤が好ましく、酢酸d−α−トコフェロール、ジブチルヒドロキシトルエンがより好ましく、酢酸d−α−トコフェロールがさらに好ましい。また、ビタミンE及びジブチルヒドロキシトルエンを併用することも好ましい。
消炎・収斂剤であれば、例えば、0.0001〜10W/V%、好ましくは0.0001〜5W/V%である。
抗ヒスタミン剤であれば、例えば、0.0001〜10W/V%、好ましくは0.001〜5W/V%である。
水溶性ビタミンであれば、例えば、0.0001〜1W/V%、好ましくは0.0001〜0.5W/V%である。
アミノ酸であれば、例えば、0.0001〜10W/V%、好ましくは0.001〜3W/V%である。
サルファ剤、殺菌剤であれば、例えば、0.00001〜10W/V%、好ましくは0.0001〜10W/V%である。
抗アレルギー剤であれば、例えば、0.0001〜10W/V%、好ましくは0.001〜5W/V%である。
局所麻酔剤、散瞳剤、白内障治療剤であれば、例えば、0.001〜1W/V%、好ましくは0.005〜1W/V%である。
表1〜7に示す組成の眼科用組成物(点眼剤)を、ビタミンA、ポリオキシエチレンポリオキシプロピレングリコール、必要に応じて抗酸化剤を85℃で予備溶解し、その予備溶解物を85℃に加温した滅菌精製水に可溶化し、冷却後、トロメタモール等の水溶性配合成分を加え、pH(20℃)を7.0に調整して眼科用組成物を得た。得られた眼科用組成物15mLを、15mL用点眼容器(ポリエチエレンテレフタレート製)に充填した。実施例の眼科用組成物は十分な防腐力を有していた。
眼科用組成物中のレチノールパルミチン酸エステル含量を、製造直後及び40℃・75%RHで6ヶ月保存後(過酷試験)に測定した。測定は、高速液体クロマトグラフ法を用いて測定を行った。得られたレチノールパルミチン酸エステル含量から、下記式に基づき、レチノールパルミチン酸エステル残存率(%)を算出した。
レチノールパルミチン酸エステル残存率(%)=保存後のレチノールパルミチン酸エステル含量/製造直後のレチノールパルミチン酸エステル含量×100
表8に示す組成の眼科用組成物(点眼剤)を実施例1に準じて調製し、下記方法で角膜・結膜損傷治療効果及び眼刺激性を評価し、ドライアイ治療の指標とした。結果を実施例1の結果と共に表中に示す。
ヘプタノール処理ウサギ角膜・結膜上皮障害モデルを用いた角膜・結膜損傷治療効果試験
ウサギにヘプタノール処理(ヘプタノール/エタノール=8:2混液を片眼200μL滴下)行い、ウサギの角膜・結膜上皮に障害を与えたモデルを作製した。その後、試料を11日間(6回(100μL/回)/日)連続して点眼した。点眼期間中、定期的にフルオレセイン染色(2%フルオレセイン片眼50μL滴下)を行い、角膜・結膜損傷治療効果を、Lenp判定基準に従い、15点満点(ヘプタノール処理直後のスコアを15点とし、改善に向かうに従いスコアは減少する)で評価した。5日目の評価結果を示す。
ウサギに、50μL/回、5分間隔にて15回の超頻回点眼試験を実施した。
15回点眼後、フルオレセイン染色(2%フルオレセイン片眼50μL滴下)を行い、角膜損傷範囲を下記基準により評価した。
評点4:角膜全体の面積の2/3以上に染色を認める
評点3:角膜全体の面積の1/3以上2/3未満に染色を認める
評点2:角膜全体の面積の1/3未満に染色を認める
評点1:わずかに染色を認める
評点0:染色を認めない
表9の眼科用組成物を、実施例1に準じて調製し、上記方法でレチノールパルミチン酸エステル残存率、角膜・結膜損傷治療効果及び眼刺激性を評価した。結果を表中に併記する。
ポリオキシエチレン(200)ポリオキシプロピレン(70)グリコール:
ユニルーブ70DP−950B、薬添規、日油(株)又はLutrol F127,薬添規、BASF(株)
ポリオキシエチレン(160)ポリオキシプロピレン(30)グリコール:
プロノン#188P、薬添規、日油(株)
ポリオキシエチレン(54)ポリオキシプロピレン(39)グリコール:
プロノン#235P、薬添規、日油(株)
ポリオキシエチレン硬化ヒマシ油60:
HCO−60(医薬用)、薬添規、日光ケミカルズ(株)
ポリソルベート80:
レオドール TW−0120V、日局、花王(株)
ヒプロメロース:
メトローズ65SH−4000、日局、信越化学工業(株)
ポリビニルピロリドン:
コリドン90F、日局、BASF
Claims (10)
- (A)ビタミンAを50,000単位/100mL以上500,000単位/100mL以下と、(B)ポリオキシエチレンポリオキシプロピレングリコール0.4〜5W/V%と、(C)トロメタモールとを含有し、[(A)ビタミンA単位/100mL]/[(B)ポリオキシエチレンポリオキシプロピレングリコールg/100mL]で表される(A)成分と(B)成分との比率が、10,000〜150,000である眼科用組成物。
- (A)成分の含有量が、100,000単位/100mL以上500,000単位/100mL以下である請求項1記載の眼科用組成物。
- (A)成分の含有量が、200,000単位/100mL以上500,000単位/100mL以下である請求項1記載の眼科用組成物。
- (A)成分の含有量が、300,000単位/100mL以上500,000単位/100mL以下である請求項1記載の眼科用組成物。
- さらに、(D)抗酸化剤を含有する請求項1〜4のいずれか1項記載の眼科用組成物。
- (D)成分が、ビタミンE及び/又はジブチルヒドロキシトルエンである請求項5記載の眼科用組成物。
- (A)成分が、レチノールパルミチン酸エステル、レチノール酢酸エステル又はレチノイン酸である請求項1〜6のいずれか1項記載の眼科用組成物。
- (B):(C)で表される(B)成分と(C)成分との質量比が、1:30〜30:1である請求項1〜7のいずれか1項記載の眼科用組成物。
- (A)ビタミンAを50,000単位/100mL以上500,000単位/100mL以下と、(B)ポリオキシエチレンポリオキシプロピレングリコール0.4〜5W/V%と、(C)トロメタモールとを有効成分として含有し、[(A)ビタミンA単位/100mL]/[(B)ポリオキシエチレンポリオキシプロピレングリコールg/100mL]で表される(A)成分と(B)成分との比率が、10,000〜150,000であるドライアイ治療剤。
- (A)ビタミンAを50,000単位/100mL以上500,000単位/100mL以下含有する眼科用組成物に、(B)ポリオキシエチレンポリオキシプロピレングリコール0.4〜5W/V%と、(C)トロメタモールとを、[(A)ビタミンA単位/100mL]/[(B)ポリオキシエチレンポリオキシプロピレングリコールg/100mL]で表される(A)成分と(B)成分との比率10,000〜150,000で配合することを特徴とするビタミンAの安定化方法。
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EP3311802B1 (en) | 2011-05-25 | 2023-11-01 | Dermaliq Therapeutics, Inc. | Topical pharmaceutical composition based on semifluorinated alkanes |
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WO2018117014A1 (ja) * | 2016-12-19 | 2018-06-28 | ライオン株式会社 | 眼科用組成物及びその製造方法 |
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