WO2002096396A1 - Particules inorganiques fines renfermant un medicament, leur procede de preparation et preparation pharmaceutique renfermant ces particules - Google Patents
Particules inorganiques fines renfermant un medicament, leur procede de preparation et preparation pharmaceutique renfermant ces particules Download PDFInfo
- Publication number
- WO2002096396A1 WO2002096396A1 PCT/JP2002/004772 JP0204772W WO02096396A1 WO 2002096396 A1 WO2002096396 A1 WO 2002096396A1 JP 0204772 W JP0204772 W JP 0204772W WO 02096396 A1 WO02096396 A1 WO 02096396A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fine particles
- inorganic fine
- drug
- calcium
- encapsulated
- 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.)
- Ceased
Links
Classifications
-
- 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
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5005—Wall or coating material
- A61K9/501—Inorganic compounds
-
- 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
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5089—Processes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
- A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P5/00—Drugs for disorders of the endocrine system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P5/00—Drugs for disorders of the endocrine system
- A61P5/06—Drugs for disorders of the endocrine system of the anterior pituitary hormones, e.g. TSH, ACTH, FSH, LH, PRL, GH
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P5/00—Drugs for disorders of the endocrine system
- A61P5/10—Drugs for disorders of the endocrine system of the posterior pituitary hormones, e.g. oxytocin, ADH
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P5/00—Drugs for disorders of the endocrine system
- A61P5/18—Drugs for disorders of the endocrine system of the parathyroid hormones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
Definitions
- the present invention relates to a protein having a medicinal effect, a low molecular weight compound having a medicinal effect, a calcium-containing poorly water-soluble inorganic fine particle in which a gene is encapsulated, a method for producing the same, and a drug-containing inorganic fine particle preparation using the calcium-containing poorly water-soluble inorganic fine particle.
- TECHNICAL FIELD The present invention relates to a sustained-release preparation, a target sustained-release preparation using calcium-containing poorly water-soluble inorganic fine particles encapsulating a protein, an antigen, a gene having a medicinal effect, and a low-molecular compound having a medicinal effect, and a method for producing the same.
- the present invention relates to a preparation in which the fine particles are encapsulated in a matrix made of a lactic acid polymer or the like used in regenerative medicine.
- Targets for macrophages, retinal tissue, neutrophils, vascular endothelial cells, cancer cells, inflammatory sites, infected sites, cancer tissues, and atherosclerotic walls mainly low molecular drugs, active proteins, vaccines, and genes It becomes an increasingly important issue. Disclosure of the invention
- the present invention provides a method for preparing a drug, which is simple, non-irritating, has many medicinal properties, a low-molecular-weight compound having medicinal properties, a gene that can be applied to a gene, and a protein having such medicinal properties, a low-molecular-weight having medicinal properties. It is an object of the present invention to provide drug-encapsulated inorganic fine particles capable of stabilizing a compound and a gene, and obtain excellent sustained-release effect and target effect, a method for producing the same, and a drug-enclosed inorganic fine particle preparation.
- the drug-encapsulated inorganic fine particles of the present invention comprise: calcium-containing poorly water-soluble inorganic fine particles; and a biologically active substance encapsulated in the fine particles.
- Fine particles in which a biologically active substance is encapsulated inside calcium-containing poorly water-soluble inorganic fine particles are easy to produce, have no irritation, and as a biologically active substance, a protein having a medicinal effect, a low molecular compound having a medicinal effect or a gene. Are used. Quality can be stabilized.
- the present invention considers that the biologically active substance is allowed to coexist before the inorganic fine particles are formed, and that the biologically active substance is bound inside the fine particles. This is called encapsulation, and has the effect of increasing the encapsulation rate of the drug and slowing the elution of the drug as compared with the method of supporting the inorganic microparticle drug by mixing the drug after forming the inorganic microparticles.
- EPO Erythropoietin
- G-CSF granulocyte colony-stimulating factor
- GM-CSF granulocyte-macrophage colony-stimulating factor
- thrombopoetin interferon, influenza protein 1-ferrona, perokinase, tissue plasminogen factor (t-PA), inu-1 leukin-11 (IL-11), enbrel, fibroblast growth factor (FGF), epidermal growth factor (EGF), hepatocyte Growth factor (HGF), Brain-derived neurotrophic factor (BDNF), Nerve growth factor (NGF), Lebutin, Neutrophin-13 (NT-3), Superoxide dismutase (SOD), Insulin, Human growth Hormones, antibodies and antigens.
- EPO, G-CSF N- in-Yuichi-feron, FGF EGF, HGF BDNF N NGF leptin, NT-3 and the like are desirable.
- the biologically active substance is contained in an amount of 0.0001 to 10% by weight based on the calcium-containing poorly water-soluble inorganic substance. Further, a drug whose biologically active substance is capable of binding to calcium is preferable. Generally, a drug having a negative charge is preferable because calcium has a positive charge.
- low-molecular-weight compounds with medicinal properties include non-inflammatory steroid hormones, anti-inflammatory drugs such as hydrocortisones, antimicrobial drugs, anticancer drugs, vasoactive drugs such as prostaglandin, anti-atherosclerotic drugs, immunosuppressants, Calcitonin, luteinizing hormone-releasing hormone (LHRH) derivative, other pituitary peptides Lumon, vancomycin, ticobranine, parathyroid hormone (FTH) and others.
- antimicrobial agents such as antibacterial agents and antifungal agents, anti-inflammatory agents, anticancer agents, and vasoactive agents are desirable.
- a low molecular drug having low calcium binding a low molecular drug in which a conjugate having high calcium binding such as phosphoric acid is covalently bonded to a residue by an ester bond or the like may be used.
- calcium carbonate As the calcium-containing poorly water-soluble inorganic substance, calcium carbonate, calcium phosphate (apatite, hydroxyapatite, etc.), calcium oxalate, calcium urate and the like are desirable.
- the present inventors have noted that calcium-containing inorganic substances are poorly water-soluble microparticles, and encapsulated a drug inside the microparticles, injected the drug into the lesion, and released the drug little by little in the body. It is intended to provide a sustained release effect. That is, there is a gap of several tens to several 100 nm in the blood vessel wall in an inflammation site, an infection site, a cancer tissue, an arteriosclerosis wall, etc., and the fine particles of the present invention have a size of 10 nm to ⁇ , nm ⁇ , preferably 10 nm to 500 nm. Is accumulated in the lesion through that gap, causing a target effect and being phagocytosed by inflammatory cells and cancer cells such as macrophages, as well as a double-get effect and a sustained release effect Can be caused.
- the size of the microparticles is 100 nm to 200 m in diameter, it is useful as a sustained-release preparation for subcutaneous injection or intramuscular injection.
- PLA lactic acid polymer
- the preparation of the final preparation is performed by adding pharmaceutically acceptable additives to the obtained drug-encapsulated inorganic fine particles, such as proteins such as human serum albumin (HSA), acidic mucopolysaccharide, and lactic acid-glycolic acid polymer (PLGA).
- pharmaceutically acceptable additives such as proteins such as human serum albumin (HSA), acidic mucopolysaccharide, and lactic acid-glycolic acid polymer (PLGA).
- Lactic acid polymer, surfactant Ingredients, dispersants such as mannitol, stabilizers and preservatives are added and the final preparation is made by drying or freeze-drying. This is suspended in water or a buffer solution to make it isotonic and administered to humans. It can also be used by suspending it in hyaluronic acid or the like to prevent pain, etc., and to further improve dispersion.
- a suspension containing a dispersant or the like can be directly used as a final preparation.
- the final preparation is in a form suitable for subcutaneous injection, intramuscular injection and intravascular injection.
- the method for producing the drug-encapsulated inorganic fine particles of the present invention comprises: (1) preparing an aqueous solution of a calcium salt such as calcium chloride, calcium bromide, or calcium acetate;
- aqueous solution of a biologically active substance is added to and mixed with this solution, and then (3) a carbonate such as sodium carbonate and potassium carbonate, and a phosphate such as sodium phosphate, sodium hydrogen phosphate and potassium phosphate.
- a carbonate such as sodium carbonate and potassium carbonate
- a phosphate such as sodium phosphate, sodium hydrogen phosphate and potassium phosphate.
- an aqueous solution of carbonate, phosphate, oxalate or urate is prepared, and (2) an aqueous solution of a biologically active substance is added to this solution and mixed.
- FIG. 1 is a graph showing the amounts of EPO in the compositions of Example 1 and Test Example 1.
- FIG. 2 is a diagram showing the amount of G-CSF in the compositions of Example 2 and Test Example 2.o
- FIG. 3 is a diagram showing the amounts of HyC (Pos.) In the compositions of Example 3 and Test Example 3.
- FIG. 4 is a graph showing the release of G-CSF from the composition of Example 4, and also a graph showing the stability of G-CSF in a buffer solution as a control.
- FIG. 5 is a graph showing changes in EPO blood concentration after intramuscular injection of the preparation of Example 5 into mice.
- FIG. 6 is a diagram showing that the preparation of Example 6 significantly migrates to the spleen after intravenous injection of a mouse as compared to a control.
- FIG. 7 is a diagram observing that the preparation of Example 7 was incorporated into macrophages.
- 5M CaCL (Wako) 650 1 and lmg / ml EPO (Chugai Pharmaceutical) 1251 were mixed with stirring.
- 2.5 ml of 1M NCO 3 (Wako) was added thereto, and the mixture was stirred for 10 minutes to generate CaCOs particles, and EPO was sealed inside the CaCO 3 particles.
- 6.25 ml of IL0 was added to the obtained sediment, and 1 ml was dispensed into four 1.5 ml test tubes. The four tubes were centrifuged at 2,000 rpm for 5 minutes, and the supernatant was removed.
- EPO encapsulated in CaCO 3 particles was measured by dissolving CaCOa particles with hydrochloric acid, releasing EPO and using ELISA.
- 5M CaCL650 ⁇ 1 and 500 ⁇ g / ml G-CSF (Chugai Pharmaceutical) 2501 were mixed with stirring.
- 2.5 ml of 1 M Na 2 COa was added thereto, and the mixture was stirred for 10 minutes to prepare CaCOa particles.
- 6.25 ml of H 2 O was added to the sediment, and 1 ml was dispensed into four 1.5 ml test tubes. The four tubes were centrifuged at 2,000 rpm for 5 minutes to remove supernatant. Two of which were subjected to ELISA measurement to quantify the G-CSF which is enclosed in CAC0 3 particles.
- G-CSF encapsulated in CaCOs particles was obtained by dissolving CaCOs particles with hydrochloric acid and measuring released G-CSF using G-CSF ELISA (IBL).
- H 2 O H 2 O
- H 2 O H 2 O
- Hydrochloric acid was added to this to completely dissolve the CaCO 3 particles, and used for ELISA measurement.
- the mouse liver homogenate solution was mixed at a ratio of 1: 1 and incubated at 37 ° C. for 2 hours to hydrolyze HyC (Phos.) To obtain free HyC, which was used for measurement.
- Liver homogenate is added to H 2 0 5 ml relative collected one individual component of from liver mice were homogenate Ichito poly preparative port down. The mixture was centrifuged at 15,000 rpm and 5 ⁇ , and the supernatant was recovered and used as a liver homogenate solution.
- the total amount of HyC in the suspension, which is not bound or encapsulated in the particles, is more than 70% for the sample of Example 3 and 20% for the sample of Test Example 3. It was proved that low-molecular-weight drugs were also encapsulated in CaCOs particles.
- 5M CaCL650 jU1 and lmg / ml EPO1251-1 were mixed with stirring.
- 2.5 ml of 1M NasCOa was added thereto and stirred for 10 minutes to prepare CaCO 3 particles.
- 5 ml of H 2 O was added and centrifuged at 2,000 rpm for 5 minutes to remove EPO in the supernatant.
- 3 ml of ILO was added to the sediment, and 1 ml was transferred to a 1.5 ml test tube. The mixture was centrifuged at 2,000 rpm for 5 minutes, and the supernatant was completely removed.
- HyC Phos.
- HyC Phos.
- mice 10 minutes and 1 hour after administration were collected from mice 10 minutes and 1 hour after administration, and spleen 48 hours after administration.
- mouse liver homogenate was allowed to act at 37 V for 2 hours in order to decompose HyC (Phos.) Remaining in the blood as phosphate ester into HyC.
- the spleen was homogenized sufficiently, the cells were disrupted, and a mouse liver homogenate solution was allowed to act, followed by extraction with DMSO and ELISA measurement.
- mice were injected intraperitoneally with 2.0 ml of 10% proteose peptone, and three days later, exuded peritoneal macrophages were collected.
- the cell suspension was adjusted to 5 ⁇ 10 5 cells / ml, and 0.1 ml of the cell suspension was placed in a 24-wells plate containing a cover glass and cultured to allow macrophages to adhere. After removing the non-adherent cells and replacing the culture medium, 0.375 ml of HyC (Phos.)-Encapsulated CaCOa was added and incubated at 37 ° C. Twenty-four hours later, the cover glass was taken out, air-dried and stained with Giemsa, and the phagocytosis of CaCOs particles was observed under a microscope.
- HyC Phos.
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Diabetes (AREA)
- Endocrinology (AREA)
- Immunology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Inorganic Chemistry (AREA)
- Transplantation (AREA)
- Urology & Nephrology (AREA)
- Communicable Diseases (AREA)
- Oncology (AREA)
- Pain & Pain Management (AREA)
- Rheumatology (AREA)
- Vascular Medicine (AREA)
- Medicinal Preparation (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Peptides Or Proteins (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/478,344 US20040185113A1 (en) | 2001-05-28 | 2002-05-17 | Fine inorganic particles having drug included therein, method for preparation thereof and pharmaceutical preparation comprising fine inorganic particles having drug included therein |
| EP02728072A EP1398025A1 (en) | 2001-05-28 | 2002-05-17 | Fine inorganic particles having drug included therein, method for preparation thereof and pharmaceutical preparation comprising fine inorganic particles having drug included therein |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001158429A JP2002348234A (ja) | 2001-05-28 | 2001-05-28 | 薬物封入無機物微粒子、その製造法及び薬物封入無機物微粒子製剤 |
| JP2001-158429 | 2001-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2002096396A1 true WO2002096396A1 (fr) | 2002-12-05 |
Family
ID=19002158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2002/004772 Ceased WO2002096396A1 (fr) | 2001-05-28 | 2002-05-17 | Particules inorganiques fines renfermant un medicament, leur procede de preparation et preparation pharmaceutique renfermant ces particules |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20040185113A1 (ja) |
| EP (1) | EP1398025A1 (ja) |
| JP (1) | JP2002348234A (ja) |
| WO (1) | WO2002096396A1 (ja) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004043495A1 (en) * | 2002-11-12 | 2004-05-27 | The Circle For The Promotion Of Science And Engineering | Delivery agent, method of delivering a target substance to cells, method for producing delivery agent, composition for producing delivery agent, and kit for producing delivery agent |
| WO2004084871A1 (en) * | 2003-03-26 | 2004-10-07 | Ltt Bio-Pharma Co., Ltd. | Intravenous nanoparticles for targenting drug delivery and sustained drug release |
| WO2012137967A1 (ja) * | 2011-04-08 | 2012-10-11 | 国立大学法人京都大学 | リン酸カルシウム類マイクロカプセル |
| JP5271538B2 (ja) * | 2005-04-28 | 2013-08-21 | 独立行政法人科学技術振興機構 | 皮膚再生促進剤 |
| US9095560B2 (en) | 2005-04-28 | 2015-08-04 | Japan Science And Technology Agency | Method of enhancing transdermal absorption using a composition comprising POE octyl dodecyl ether and squalane |
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| JP2004307398A (ja) * | 2003-04-07 | 2004-11-04 | National Institute For Materials Science | 薬物封入多層構造微粒子 |
| CN100364499C (zh) | 2003-05-01 | 2008-01-30 | 日本株式会社Ltt生物医药 | 包含锌的缓释组合物、其制剂及其制备方法 |
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| JP2007001865A (ja) * | 2003-09-16 | 2007-01-11 | Ltt Bio-Pharma Co Ltd | 脂溶性薬物封入微粒子、その製造法およびそれを含有する製剤 |
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| US20070259047A1 (en) * | 2004-02-26 | 2007-11-08 | Yasuaki Ogawa | Protein Sustained-Release Microparticle Preparation for Injection and Process for Producing the Same |
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| CN108472621B (zh) | 2015-08-27 | 2022-04-29 | 哈佛学院院长及董事 | 声波分拣 |
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| WO2000004916A1 (en) * | 1998-07-23 | 2000-02-03 | Societe De Conseils De Recherches Et D'applications Scientifiques Sas | Encapsulation of water soluble peptides |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07165613A (ja) * | 1993-10-19 | 1995-06-27 | Dot:Kk | 経鼻吸収薬物用キャリヤおよび生理活性ペプチド組成物 |
| JP3414539B2 (ja) * | 1994-05-11 | 2003-06-09 | 有限会社ドット | 経鼻吸収用組成物 |
-
2001
- 2001-05-28 JP JP2001158429A patent/JP2002348234A/ja active Pending
-
2002
- 2002-05-17 WO PCT/JP2002/004772 patent/WO2002096396A1/ja not_active Ceased
- 2002-05-17 US US10/478,344 patent/US20040185113A1/en not_active Abandoned
- 2002-05-17 EP EP02728072A patent/EP1398025A1/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04112832A (ja) * | 1990-08-31 | 1992-04-14 | Sangi Co Ltd | 抗腫瘍剤 |
| WO2000004916A1 (en) * | 1998-07-23 | 2000-02-03 | Societe De Conseils De Recherches Et D'applications Scientifiques Sas | Encapsulation of water soluble peptides |
Non-Patent Citations (2)
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| WO2004043495A1 (en) * | 2002-11-12 | 2004-05-27 | The Circle For The Promotion Of Science And Engineering | Delivery agent, method of delivering a target substance to cells, method for producing delivery agent, composition for producing delivery agent, and kit for producing delivery agent |
| WO2004084871A1 (en) * | 2003-03-26 | 2004-10-07 | Ltt Bio-Pharma Co., Ltd. | Intravenous nanoparticles for targenting drug delivery and sustained drug release |
| CN100361651C (zh) * | 2003-03-26 | 2008-01-16 | 日本株式会社Ltt生物医药 | 用于靶向药物送递和持续药物释放的静脉内纳米颗粒 |
| JP5271538B2 (ja) * | 2005-04-28 | 2013-08-21 | 独立行政法人科学技術振興機構 | 皮膚再生促進剤 |
| US9095560B2 (en) | 2005-04-28 | 2015-08-04 | Japan Science And Technology Agency | Method of enhancing transdermal absorption using a composition comprising POE octyl dodecyl ether and squalane |
| WO2012137967A1 (ja) * | 2011-04-08 | 2012-10-11 | 国立大学法人京都大学 | リン酸カルシウム類マイクロカプセル |
| JPWO2012137967A1 (ja) * | 2011-04-08 | 2014-07-28 | 国立大学法人京都大学 | リン酸カルシウム類マイクロカプセル |
Also Published As
| Publication number | Publication date |
|---|---|
| US20040185113A1 (en) | 2004-09-23 |
| EP1398025A1 (en) | 2004-03-17 |
| JP2002348234A (ja) | 2002-12-04 |
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