JP7330331B2 - 眼科用水性組成物、及び化合物の含量低下を抑制する方法 - Google Patents
眼科用水性組成物、及び化合物の含量低下を抑制する方法 Download PDFInfo
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- JP7330331B2 JP7330331B2 JP2022112014A JP2022112014A JP7330331B2 JP 7330331 B2 JP7330331 B2 JP 7330331B2 JP 2022112014 A JP2022112014 A JP 2022112014A JP 2022112014 A JP2022112014 A JP 2022112014A JP 7330331 B2 JP7330331 B2 JP 7330331B2
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- Prior art keywords
- xanthan gum
- content
- panthenol
- compound
- composition
- 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.)
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- 238000000034 method Methods 0.000 title claims description 8
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- 229940082509 xanthan gum Drugs 0.000 claims description 69
- SNPLKNRPJHDVJA-ZETCQYMHSA-N D-panthenol Chemical compound OCC(C)(C)[C@@H](O)C(=O)NCCCO SNPLKNRPJHDVJA-ZETCQYMHSA-N 0.000 claims description 44
- POJWUDADGALRAB-UHFFFAOYSA-N allantoin Chemical compound NC(=O)NC1NC(=O)NC1=O POJWUDADGALRAB-UHFFFAOYSA-N 0.000 claims description 44
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- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- JLKIGFTWXXRPMT-UHFFFAOYSA-N sulphamethoxazole Chemical compound O1C(C)=CC(NS(=O)(=O)C=2C=CC(N)=CC=2)=N1 JLKIGFTWXXRPMT-UHFFFAOYSA-N 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 229960003080 taurine Drugs 0.000 description 1
- 229960000337 tetryzoline Drugs 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 229940042585 tocopherol acetate 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
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 229940124549 vasodilator Drugs 0.000 description 1
- 239000003071 vasodilator agent Substances 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 238000009736 wetting Methods 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
Images
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- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Description
[1]
キサンタンガムと酸性領域で安定な医薬化合物とを含み、pH5.5未満である、眼科用水性組成物。
[2]
キサンタンガムの濃度が0.03~0.4w/v%である、[1]に記載の組成物。
[3]
前記医薬化合物の濃度が0.01~1.0w/v%である、[1]又は[2]に記載の組成物。
[4]
前記医薬化合物がパンテノール又はアラントインである、[1]~[3]のいずれか1つに記載の組成物。
[5]
前記医薬化合物がパンテノールである、[1]~[4]のいずれか1つに記載の組成物。
[6]
ホウ酸又はその塩をさらに含む、[5]に記載の組成物。
[7]
パンテノールの濃度が0.01~0.1w/v%である、[5]又は[6]に記載の組成物。
[8]
前記医薬化合物がアラントインである、[1]~[4]のいずれか1つに記載の組成物。
[9]
アラントインの濃度が0.03~0.3w/v%である、[8]に記載の組成物。
[10]
酸性領域で安定な化合物の含量低下を抑制する方法であって、前記化合物の水溶液にキサンタンガムを添加することを含む、方法。
[11]
前記化合物がパンテノール又はアラントインである、[10]に記載の方法。
表1に示す試験液(実施例1、比較例1及び2)を以下の通り調製した。常温下でホウ砂(小堺製薬(株)社製)を水に溶かしてホウ砂水溶液を調製した。当該ホウ砂水溶液にホウ酸(BORAX社製)を加えて、溶液Aを調製した。また、ホウ砂水溶液に粘度1460mPa・sのキサンタンガム(MP Biomedicals社製)を添加して、高温下で溶解させた後に冷却し、これにホウ酸(BORAX社製)を加えて、キサンタンガム含有水溶液(溶液B)を調製した。また、ホウ砂水溶液にヒドロキシプロピルメチルセルロース(HPMC)(信越化学工業(株)社製)を添加して、高温下で溶解させた後に冷却し、これにホウ酸(BORAX社製)を加えて、HPMC含有水溶液(溶液C)を調製した。溶液A、溶液B及びCにそれぞれパンテノール(DSMニュートリションジャパン社製)を添加した。その後、pH調整剤(1mol/L塩酸)を適量用いてpHを5.0に調整した。その後、表1に記載の所定の濃度となるように精製水を加えて、比較例2(パンテノール)、実施例1(パンテノール+キサンタンガム)及び比較例1(パンテノール+HPMC)の各試験液を得た。
粘度1,600~1,700mPa・sのキサンタンガム(エコーガムT、大日本住友製薬株式会社製)を使用する以外は、実施例1の試験液と同様にして実施例2の試験液を調製した。各試験液を4℃及び60℃で4週間保管したのち、それぞれのパンテノール含量を、HPLCを用いて測定した。それぞれの試験液の4℃保管品のパンテノール含量に対する60℃保管品のパンテノール含量の割合を残存率とした。結果を表2に示す。
以下の表3に示す試験液を、試験例1の試験液の調製法に従って調製した。キサンタンガムは、粘度1,600~1,700mPa・sのキサンタンガム(エコーガムT、大日本住友製薬株式会社製)を使用した。各試験液を4℃及び60℃で4週間保管したのち、それぞれのパンテノール含量を、HPLCを用いて測定した。それぞれの試験液の4℃保管品のパンテノール含量に対する60℃保管品のパンテノール含量の割合を残存率とした。結果を表3に示す。
以下の表4に示す試験液を、試験例1の試験液の調製法に従って調製した。キサンタンガムは、粘度1,600~1,700mPa・sのキサンタンガム(エコーガムT、大日本住友製薬株式会社製)を使用した。また、濃グリセリンは阪本薬品工業株式会社製、D-マンニトールは物産フードサイエンス株式会社製、ブドウ糖はサンエイ糖化株式会社製を使用した。各試験液を4℃及び60℃で4週間保管したのち、それぞれのパンテノール含量を、HPLCを用いて測定した。それぞれの試験液の4℃保管品のパンテノール含量に対する60℃保管品のパンテノール含量の割合を残存率とした。結果を表4に示す。
常温下で水酸化ナトリウムを加えたpH約9.2の水溶液(溶液D)に粘度1,600~1,700mPa・sのキサンタンガム(エコーガムT、大日本住友製薬株式会社製)を添加して、高温下で溶解させた後に冷却したものをキサンタンガム溶液(溶液E)とした。また溶液AにHPMCを添加して、高温下で溶解させた後に冷却したものをHPMC溶液(溶液F)とした。溶液D、溶液E及びFにそれぞれアラントイン(パーマケム・アジア社製)を添加した。その後、pH調整剤(1mol/L塩酸)を適量用いてpHを5.0に調整した。その後、表5に記載の所定の濃度となるように精製水を加えて、比較例32(アラントイン)、実施例13(アラントイン+キサンタンガム)及び比較例31(アラントイン+HPMC)の各試験液を得た。
常温下でホウ砂(小堺製薬(株)社製)を水に溶かしてホウ砂水溶液を調製した(溶液G)。溶液Aに粘度1,600~1,700mPa・sのキサンタンガム(エコーガムT、大日本住友製薬株式会社製)を添加して、高温下で溶解させた後に冷却したものをキサンタンガム溶液(溶液H)とした。その後、pH調整剤(1mol/L塩酸)を適量用いて溶液G及びHのpHを7.5に調整した。その後、表6に記載の所定の濃度となるように精製水を加えて、参考例1及び2の試験液を調製した。得られた試験液1,000mLに、1mol/L塩酸を添加した時のpH変化を測定した。結果を図1に示す。pH6.0以下においてキサンタンガムが緩衝効果を示した。キサンタンガムの緩衝効果は、pH5.5未満において顕著であった。
1N水酸化ナトリウム水溶液を用いてpHを9.2に調整した溶液Iを調製した。溶液Iに粘度1,600~1,700mPa・sのキサンタンガム(エコーガムT、大日本住友製薬株式会社製)を添加して、高温下で溶解させた後に冷却したものをキサンタンガム溶液(溶液J)とした。その後、さらにpH調整剤(1N水酸化ナトリウム水溶液)を適量用いて溶液I及びJのpHを8.0に調整した。その後、表7に記載の所定の濃度となるように精製水を加えて、参考例3及び4の試験液を調製した。得られた試験液500mLに、0.5mol/L塩酸を添加した時のpH変化を測定した。結果を図2に示す。pH8.0以下においてキサンタンガムが緩衝効果を示した。
Claims (11)
- 酸性領域で安定な医薬化合物と、キサンタンガムとを含み、ここで前記医薬化合物がパンテノール又はアラントインであり、pH5.3以下である、pHの経時的増大を抑制された眼科用水性組成物。
- 前記pHの経時的増大を抑制された眼科用水性組成物が、キサンタンガムの含有によりpHの経時的増大を抑制される、請求項1に記載の眼科用水性組成物。
- pH5.2以下である、請求項1又は2に記載の眼科用水性組成物。
- キサンタンガムの濃度が0.03~0.4w/v%である、請求項1~3のいずれか一項に記載の組成物。
- 前記医薬化合物の濃度が0.01~1.0w/v%である、請求項1~4のいずれか一項に記載の組成物。
- 前記医薬化合物がパンテノールである、請求項1~5のいずれか1項に記載の組成物。
- ホウ酸又はその塩をさらに含む、請求項6に記載の組成物。
- パンテノールの濃度が0.01~0.1w/v%である、請求項6又は7に記載の組成物。
- 前記医薬化合物がアラントインである、請求項1~5のいずれか1項に記載の組成物。
- アラントインの濃度が0.03~0.3w/v%である、請求項9に記載の組成物。
- 酸性領域で安定な医薬化合物を含み、pH5.3以下である水溶液のpHの経時的増大を抑制する方法であって、前記水溶液にキサンタンガムを添加することを含む、前記方法。
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| JP2002265357A (ja) | 2001-03-12 | 2002-09-18 | Lion Corp | 眼科用組成物 |
| WO2007007894A1 (ja) | 2005-07-11 | 2007-01-18 | Senju Pharmaceutical Co., Ltd. | キサンタンガムおよびテルペノイドを含有する点眼剤 |
| WO2007108541A1 (ja) | 2006-03-23 | 2007-09-27 | Senju Pharmaceutical Co., Ltd. | キサンタンガムおよびブドウ糖を含有する眼科用組成物 |
| JP2009143822A (ja) | 2007-12-12 | 2009-07-02 | Lion Corp | 内服液組成物 |
| JP2015010088A (ja) | 2013-06-27 | 2015-01-19 | キョーリンリメディオ株式会社 | 多成分配合点眼剤 |
| JP2016130224A (ja) | 2015-01-13 | 2016-07-21 | 小林製薬株式会社 | 外用組成物 |
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| JP2002265357A (ja) | 2001-03-12 | 2002-09-18 | Lion Corp | 眼科用組成物 |
| WO2007007894A1 (ja) | 2005-07-11 | 2007-01-18 | Senju Pharmaceutical Co., Ltd. | キサンタンガムおよびテルペノイドを含有する点眼剤 |
| WO2007108541A1 (ja) | 2006-03-23 | 2007-09-27 | Senju Pharmaceutical Co., Ltd. | キサンタンガムおよびブドウ糖を含有する眼科用組成物 |
| JP2009143822A (ja) | 2007-12-12 | 2009-07-02 | Lion Corp | 内服液組成物 |
| JP2015010088A (ja) | 2013-06-27 | 2015-01-19 | キョーリンリメディオ株式会社 | 多成分配合点眼剤 |
| JP2016130224A (ja) | 2015-01-13 | 2016-07-21 | 小林製薬株式会社 | 外用組成物 |
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| Journal of Cosmetics, Dermatological Sciences and Applications,2011年,Vol.1,pp.50-58 |
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