JP2023171646A - ポリヘキサメチレンビグアナイドまたはその塩を含有する水性点眼液 - Google Patents
ポリヘキサメチレンビグアナイドまたはその塩を含有する水性点眼液 Download PDFInfo
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- JP2023171646A JP2023171646A JP2023177307A JP2023177307A JP2023171646A JP 2023171646 A JP2023171646 A JP 2023171646A JP 2023177307 A JP2023177307 A JP 2023177307A JP 2023177307 A JP2023177307 A JP 2023177307A JP 2023171646 A JP2023171646 A JP 2023171646A
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- Prior art keywords
- salt
- ophthalmic solution
- diquafosol
- polyhexamethylene biguanide
- acid
- 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
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- 229940054534 ophthalmic solution Drugs 0.000 title claims abstract description 49
- 229920002413 Polyhexanide Polymers 0.000 title claims abstract description 44
- VAZJLPXFVQHDFB-UHFFFAOYSA-N 1-(diaminomethylidene)-2-hexylguanidine Polymers CCCCCCN=C(N)N=C(N)N VAZJLPXFVQHDFB-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229950003529 diquafosol Drugs 0.000 claims abstract description 47
- NMLMACJWHPHKGR-NCOIDOBVSA-N P(1),P(4)-bis(uridin-5'-yl) tetraphosphate Chemical compound N1([C@@H]2O[C@@H]([C@H]([C@H]2O)O)COP(O)(=O)OP(O)(=O)OP(O)(=O)OP(O)(=O)OC[C@@H]2[C@H]([C@H]([C@@H](O2)N2C(NC(=O)C=C2)=O)O)O)C=CC(=O)NC1=O NMLMACJWHPHKGR-NCOIDOBVSA-N 0.000 claims abstract description 41
- 239000003889 eye drop Substances 0.000 claims description 48
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7084—Compounds having two nucleosides or nucleotides, e.g. nicotinamide-adenine dinucleotide, flavine-adenine dinucleotide
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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
- A61K47/16—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing nitrogen, e.g. nitro-, nitroso-, azo-compounds, nitriles, cyanates
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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
- A61K9/08—Solutions
-
- 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
-
- 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
- A61P27/04—Artificial tears; Irrigation solutions
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Pharmacology & Pharmacy (AREA)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
(1)ジクアホソルまたはその塩を有効成分として含有し、およびポリヘキサメチレンビグアナイドまたはその塩を含有する水性点眼液。
(2)ポリヘキサメチレンビグアナイドまたはその塩の濃度が0.0002%(w/v)超である、(1)に記載の水性点眼液。
(3)ポリヘキサメチレンビグアナイドまたはその塩の濃度が0.0016%(w/v)未満である、(1)または(2)に記載の水性点眼液。
(4)ポリヘキサメチレンビグアナイドまたはその塩の濃度が0.0002%(w/v)超0.0016%(w/v)未満である、(1)~(3)のいずれかに記載の水性点眼液。
(5)ポリヘキサメチレンビグアナイドまたはその塩の濃度が0.0004~0.0008%(w/v)である、(1)~(3)のいずれかに記載の水性点眼液。
(6)ポリヘキサメチレンビグアナイドまたはその塩が、ポリヘキサメチレンビグアナイド塩酸塩である、(1)~(5)のいずれかに記載の水性点眼液。
(7)ジクアホソルまたはその塩の濃度が1~10%(w/v)である、(1)~(6)のいずれかに記載の水性点眼液。
(8)ジクアホソルまたはその塩の濃度が3%(w/v)である、(1)~(6)のいずれかに記載の水性点眼液。
(9)水性点眼液のpHが6~8の範囲である、(1)~(8)のいずれかに記載の水性点眼液。
(10)ジクアホソルまたはその塩が、ジクアホソルナトリウムである、(1)~(9)のいずれかに記載の水性点眼液。
(11)ジクアホソルまたはその塩を有効成分として含有する水性点眼液に保存効力を付与する方法であって、防腐剤としてポリヘキサメチレンビグアナイドまたはその塩を配合することを特徴とする、方法。
(12)防腐剤としてポリヘキサメチレンビグアナイドまたはその塩を配合することを特徴とする、ジクアホソルまたはその塩を有効成分として含有する澄明な水性点眼液の製造方法。
表1に示す処方のジクアホソル点眼液を調製し、各点眼液について保存効力試験を行った。また、調製直後の各点眼液の外観について、目視による確認および吸光度の測定によって評価した。
当該技術分野における通常の方法に従って、表1に示す処方の点眼液1を調製した。すなわち、ジクアホソルナトリウム3g、リン酸水素ナトリウム水和物0.2g、エデト酸ナトリウム水和物0.01g、塩化ナトリウム0.39g、塩化カリウム0.15g、ポリヘキサメチレンビグアナイド塩酸塩0.0001gを滅菌精製水に溶解して全量100mLとし、pH調節剤を適宜添加して点眼液1を調製した。点眼液2~5も同様に調製した。表1において各成分の値の単位は、「%(w/v)」である。なお、ポリヘキサメチレンビグアナイド塩酸塩は、Matrix Scientific社の市販品を使用した。
保存効力試験は、第十七改正日本薬局方の保存効力試験法に準拠して行なった。本試験では、試験菌として、Esherichia Coli(E.coli)、Pseudomonas aeruginosa(P.aeruginosa)、Staphylococcus aureus(S.aureus)、Candida albicans(C.albicans)およびAspergillus brasiliensis(A.brasiliensis)を用いた。各製剤からなる試験試料中の菌液濃度が105~106cfu/mL(5菌種共)となるように、接種菌液を試験試料に接種した。具体的には、107~108cfu/mLとなるように接種菌液を調製し、この接種菌液を105~106cfu/mLとなるように、点眼液1~5の製剤からなる試験試料に各接種菌液を接種し、均一に混合し試料とした。これらの試料を遮光下20~25℃に保存し、各サンプリングポイント(7日後、14日後、又は28日後)において、各試料からマイクロピペットで1mLを採取し、生菌数を測定した。各サンプリングポイントでは、試料溶液の蓋を空けてサンプリングを実施し、蓋を閉める操作を行った。
試験の合否判定は、生菌数を測定したときの菌数(A)に対する接種時の菌数(B)の比(B/A)の常用対数値を算出し、その値が細菌種(E.coli、P.aeruginosa、S.aureus)に対しては、播種7日後に1.0以上、かつ14日後または28日後に3.0以上であること、および真菌種(C.albicans、A.brasiliensis)に対しては、播種7日後と比較して播種14日後または28日後の数値が減少していないこと、をいずれも満たすときに適合とした。なお、常用対数値が、例えば、「1」の場合には、検査時の生菌数が接種菌数の10%に減少したことを意味する。
表3に示す処方のジクアホソル点眼液を調製し、各点眼液について、試験例1と同様にして保存効力試験を行った。また、調製直後の各点眼液の外観について、目視による確認および吸光度の測定によって評価した。
試験例1と同様にして、表3に示す処方の点眼液6および7を調製した。なお、点眼液6および7の処方は、さらに界面活性剤であるポリソルベート80を含有する以外は、それぞれ点眼液4および5と同様である。
試験例1と同様にして保存効力試験および吸光度測定を行った。試験結果を表4に示す。
以下に製剤例を挙げて本発明をさらに具体的に説明するが、本発明はこれらの製剤例にのみ限定されるものではない。なお、下記製剤例において各成分の配合量は製剤100mL中の含量である。
100mL中
ジクアホソルナトリウム 3g
リン酸水素ナトリウム水和物 0.1~0.5g
塩化ナトリウム 0.01~1g
塩化カリウム 0.01~1g
エデト酸ナトリウム水和物 0.0001~0.1g
ポリヘキサメチレンビグアナイド塩酸塩 0.00001~0.01g
pH調節剤 適量
滅菌精製水 適量
滅菌精製水に上記成分を加え、これらを十分に撹拌し、pH調節することで上記点眼剤を調製できる。
100mL中
ジクアホソルナトリウム 3g
リン酸水素ナトリウム水和物 0.1~0.5g
塩化ナトリウム 0.01~1g
塩化カリウム 0.01~1g
ポリヘキサメチレンビグアナイド塩酸塩 0.00001~0.01g
pH調節剤 適量
滅菌精製水 適量
滅菌精製水に上記成分を加え、これらを十分に撹拌し、pH調節することで上記点眼剤を調製できる。
100mL中
ジクアホソルナトリウム 3g
リン酸水素ナトリウム水和物 0.1~0.5g
塩化ナトリウム 0.01~1g
ポリヘキサメチレンビグアナイド塩酸塩 0.00001~0.01g
pH調節剤 適量
滅菌精製水 適量
滅菌精製水に上記成分を加え、これらを十分に撹拌し、pH調節することで上記点眼剤を調製できる。
100mL中
ジクアホソルナトリウム 3g
リン酸水素ナトリウム水和物 0.1~0.5g
塩化カリウム 0.01~1g
ポリヘキサメチレンビグアナイド塩酸塩 0.00001~0.01g
pH調節剤 適量
滅菌精製水 適量
滅菌精製水に上記成分を加え、これらを十分に撹拌し、pH調節することで上記点眼剤を調製できる。
Claims (6)
- 3%(w/v)の濃度のジクアホソルまたはその塩および0.0002%(w/v)超0.0016%(w/v)未満の濃度のポリヘキサメチレンビグアナイドまたはその塩を含有する水性点眼液であって、ポリソルベートを含有しない水性点眼液。
- ポリヘキサメチレンビグアナイドまたはその塩の濃度が0.0004%(w/v)以上0.0016%(w/v)未満である、請求項1に記載の水性点眼液。
- ポリヘキサメチレンビグアナイドまたはその塩の濃度が0.0004~0.0008%(w/v)である、請求項1に記載の水性点眼液。
- ポリヘキサメチレンビグアナイドまたはその塩が、ポリヘキサメチレンビグアナイド塩酸塩である、請求項1~3のいずれか一項に記載の水性点眼液。
- 水性点眼液のpHが6~8の範囲である、請求項1~4のいずれか一項に記載の水性点眼液。
- ジクアホソルまたはその塩が、ジクアホソルナトリウムである、請求項1~5のいずれか一項に記載の水性点眼液。
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WO2011013494A1 (ja) * | 2009-07-30 | 2011-02-03 | アーチ・ケミカルズ・ジャパン株式会社 | 水系組成物 |
JP2011063104A (ja) * | 2009-09-16 | 2011-03-31 | Hi-Lex Corporation | ケーブル反力式電動パーキングブレーキの手動操作装置 |
WO2016140242A1 (ja) * | 2015-03-03 | 2016-09-09 | 日油株式会社 | 点眼剤 |
JP2019070053A (ja) * | 2012-03-26 | 2019-05-09 | 参天製薬株式会社 | ジクアホソル含有点眼液 |
JP2019202166A (ja) * | 2015-11-30 | 2019-11-28 | ロート製薬株式会社 | 眼科組成物 |
JP2020073484A (ja) * | 2015-08-06 | 2020-05-14 | ロート製薬株式会社 | 眼科組成物 |
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WO2011013494A1 (ja) * | 2009-07-30 | 2011-02-03 | アーチ・ケミカルズ・ジャパン株式会社 | 水系組成物 |
JP2011063104A (ja) * | 2009-09-16 | 2011-03-31 | Hi-Lex Corporation | ケーブル反力式電動パーキングブレーキの手動操作装置 |
JP2019070053A (ja) * | 2012-03-26 | 2019-05-09 | 参天製薬株式会社 | ジクアホソル含有点眼液 |
WO2016140242A1 (ja) * | 2015-03-03 | 2016-09-09 | 日油株式会社 | 点眼剤 |
JP2020073484A (ja) * | 2015-08-06 | 2020-05-14 | ロート製薬株式会社 | 眼科組成物 |
JP2019202166A (ja) * | 2015-11-30 | 2019-11-28 | ロート製薬株式会社 | 眼科組成物 |
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JP2023037015A (ja) | 2023-03-14 |
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