JP2015500342A5 - - Google Patents

Download PDF

Info

Publication number
JP2015500342A5
JP2015500342A5 JP2014547445A JP2014547445A JP2015500342A5 JP 2015500342 A5 JP2015500342 A5 JP 2015500342A5 JP 2014547445 A JP2014547445 A JP 2014547445A JP 2014547445 A JP2014547445 A JP 2014547445A JP 2015500342 A5 JP2015500342 A5 JP 2015500342A5
Authority
JP
Japan
Prior art keywords
pharmaceutical composition
pva
particle
composition
particles
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
Application number
JP2014547445A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015500342A (ja
JP6216721B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/US2012/069585 external-priority patent/WO2013090634A1/en
Publication of JP2015500342A publication Critical patent/JP2015500342A/ja
Publication of JP2015500342A5 publication Critical patent/JP2015500342A5/ja
Application granted granted Critical
Publication of JP6216721B2 publication Critical patent/JP6216721B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2014547445A 2011-12-14 2012-12-13 粒子を凍結乾燥または凍結するためのポリマー賦形剤の使用 Active JP6216721B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161570735P 2011-12-14 2011-12-14
US61/570,735 2011-12-14
PCT/US2012/069585 WO2013090634A1 (en) 2011-12-14 2012-12-13 Use of polymeric excipients for lyophilization or freezing of particles

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2017183764A Division JP2017218462A (ja) 2011-12-14 2017-09-25 粒子を凍結乾燥または凍結するためのポリマー賦形剤の使用

Publications (3)

Publication Number Publication Date
JP2015500342A JP2015500342A (ja) 2015-01-05
JP2015500342A5 true JP2015500342A5 (enExample) 2016-01-28
JP6216721B2 JP6216721B2 (ja) 2017-10-18

Family

ID=48613191

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2014547445A Active JP6216721B2 (ja) 2011-12-14 2012-12-13 粒子を凍結乾燥または凍結するためのポリマー賦形剤の使用
JP2017183764A Pending JP2017218462A (ja) 2011-12-14 2017-09-25 粒子を凍結乾燥または凍結するためのポリマー賦形剤の使用

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2017183764A Pending JP2017218462A (ja) 2011-12-14 2017-09-25 粒子を凍結乾燥または凍結するためのポリマー賦形剤の使用

Country Status (25)

Country Link
US (3) US9585960B2 (enExample)
EP (2) EP2790675B1 (enExample)
JP (2) JP6216721B2 (enExample)
KR (2) KR102203555B1 (enExample)
CN (2) CN104114159B (enExample)
AU (2) AU2012352167B2 (enExample)
BR (1) BR112014014323A2 (enExample)
CA (1) CA2858593C (enExample)
CY (1) CY1122105T1 (enExample)
DK (1) DK2790675T3 (enExample)
ES (1) ES2746057T3 (enExample)
HR (1) HRP20191567T1 (enExample)
HU (1) HUE045661T2 (enExample)
IL (1) IL233000B (enExample)
LT (1) LT2790675T (enExample)
ME (1) ME03532B (enExample)
MX (2) MX354859B (enExample)
PL (1) PL2790675T3 (enExample)
PT (1) PT2790675T (enExample)
RS (1) RS59322B1 (enExample)
RU (2) RU2019134053A (enExample)
SI (1) SI2790675T1 (enExample)
SM (1) SMT201900502T1 (enExample)
WO (1) WO2013090634A1 (enExample)
ZA (1) ZA201404262B (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8853260B2 (en) 1997-06-27 2014-10-07 Abraxis Bioscience, Llc Formulations of pharmacological agents, methods for the preparation thereof and methods for the use thereof
WO2006089290A1 (en) 2005-02-18 2006-08-24 Abraxis Bioscience Inc.. Combinations and modes of administration of therapeutic agents and combination therapy
US8735394B2 (en) 2005-02-18 2014-05-27 Abraxis Bioscience, Llc Combinations and modes of administration of therapeutic agents and combination therapy
PT2117520T (pt) 2006-12-14 2018-12-04 Abraxis Bioscience Llc Terapia do cancro da mama com base no estado do receptor do hormona com nanoparticulas compreendendo taxane
CN102460167B (zh) 2009-04-15 2015-07-22 阿布拉科斯生物科学有限公司 不含朊病毒的纳米颗粒组合物和方法
CN104784121A (zh) 2010-03-26 2015-07-22 阿布拉科斯生物科学有限公司 治疗肝细胞癌的方法
WO2011123393A1 (en) 2010-03-29 2011-10-06 Abraxis Bioscience, Llc Methods of enhancing drug delivery and effectiveness of therapeutic agents
NZ602385A (en) 2010-03-29 2014-08-29 Abraxis Bioscience Llc Methods of treating cancer
KR20130088116A (ko) 2010-06-04 2013-08-07 아브락시스 바이오사이언스, 엘엘씨 췌장암의 치료 방법
BR112013027674A2 (pt) 2011-04-28 2016-09-06 Abraxis Bioscience Llc "usos de composições de nanopartículas, composições compreendendo as referidas nanopartículas e cateter com uma agulha".
PT2790675T (pt) * 2011-12-14 2019-09-23 Abraxis Bioscience Llc Utilização de excipientes poliméricos para a liofilização ou a congelação de partículas
US9149455B2 (en) 2012-11-09 2015-10-06 Abraxis Bioscience, Llc Methods of treating melanoma
US9511046B2 (en) 2013-01-11 2016-12-06 Abraxis Bioscience, Llc Methods of treating pancreatic cancer
ES2804323T3 (es) 2013-03-12 2021-02-05 Abraxis Bioscience Llc Procedimientos de tratamiento de cáncer de pulmón
CA2903548A1 (en) 2013-03-14 2014-09-25 Abraxis Bioscience, Llc Methods of treating bladder cancer
US10705070B1 (en) 2015-03-05 2020-07-07 Abraxis Bioscience, Llc Methods of assessing suitability of use of pharmaceutical compositions of albumin and poorly water soluble drug
US10527604B1 (en) 2015-03-05 2020-01-07 Abraxis Bioscience, Llc Methods of assessing suitability of use of pharmaceutical compositions of albumin and paclitaxel
EP3313401B1 (en) 2015-06-29 2021-10-06 Abraxis BioScience, LLC Nanoparticles comprising sirolimus and an albumin for use in treating epithelioid cell tumors
IL277402B1 (en) 2018-03-20 2026-04-01 Abraxis Bioscience Llc Methods for treating central nervous system disorders using administration of MTOR inhibitor nanoparticles and albumin
US20210196568A1 (en) * 2018-05-21 2021-07-01 Chugai Seiyaku Kabushiki Kaisha Lyophilized formulation sealed in glass container
RU2681933C1 (ru) * 2018-11-28 2019-03-14 Федеральное государственное бюджетное учреждение "Национальный исследовательский центр "Курчатовский институт" Способ получения полимерных противоопухолевых частиц в проточном микрореакторе и лиофилизата на их основе
KR20220106758A (ko) 2019-10-28 2022-07-29 아브락시스 바이오사이언스, 엘엘씨 알부민 및 라파마이신의 제약 조성물
CN116171150A (zh) 2020-08-14 2023-05-26 阿克丘勒斯治疗公司 冻干脂质纳米颗粒的方法
WO2024046448A1 (en) * 2022-09-02 2024-03-07 Suzhou Abogen Biosciences Co., Ltd. Lyophilized formulations and liquid formulations of lipid nanoparticles
WO2024077054A1 (en) * 2022-10-05 2024-04-11 Purdue Research Foundation Excipient-free lyophilization of polymer lung surfactants

Family Cites Families (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2018734A1 (de) 1970-04-18 1971-10-28 Agfa-Gevaert Ag, 5090 Leverkusen Photographisches Verfahren
US5650156A (en) 1993-02-22 1997-07-22 Vivorx Pharmaceuticals, Inc. Methods for in vivo delivery of nutriceuticals and compositions useful therefor
US5997904A (en) 1993-02-22 1999-12-07 American Bioscience, Inc. Total nutrient admixtures as stable multicomponent liquids or dry powders and methods for the preparation thereof
US6753006B1 (en) 1993-02-22 2004-06-22 American Bioscience, Inc. Paclitaxel-containing formulations
US5439686A (en) 1993-02-22 1995-08-08 Vivorx Pharmaceuticals, Inc. Methods for in vivo delivery of substantially water insoluble pharmacologically active agents and compositions useful therefor
US5665382A (en) 1993-02-22 1997-09-09 Vivorx Pharmaceuticals, Inc. Methods for the preparation of pharmaceutically active agents for in vivo delivery
US6096331A (en) 1993-02-22 2000-08-01 Vivorx Pharmaceuticals, Inc. Methods and compositions useful for administration of chemotherapeutic agents
US6528067B1 (en) 1993-02-22 2003-03-04 American Bioscience, Inc. Total nutrient admixtures as stable multicomponent liquids or dry powders and methods for the preparation thereof
US6537579B1 (en) 1993-02-22 2003-03-25 American Bioscience, Inc. Compositions and methods for administration of pharmacologically active compounds
US6749868B1 (en) 1993-02-22 2004-06-15 American Bioscience, Inc. Protein stabilized pharmacologically active agents, methods for the preparation thereof and methods for the use thereof
US20030068362A1 (en) 1993-02-22 2003-04-10 American Bioscience, Inc. Methods and formulations for the delivery of pharmacologically active agents
JP3746293B2 (ja) 1993-02-22 2006-02-15 アメリカン バイオサイエンス、インコーポレイテッド 生物製剤のインビボ送達の方法とそのための組成物
US5362478A (en) 1993-03-26 1994-11-08 Vivorx Pharmaceuticals, Inc. Magnetic resonance imaging with fluorocarbons encapsulated in a cross-linked polymeric shell
US5665383A (en) 1993-02-22 1997-09-09 Vivorx Pharmaceuticals, Inc. Methods for the preparation of immunostimulating agents for in vivo delivery
US5916596A (en) 1993-02-22 1999-06-29 Vivorx Pharmaceuticals, Inc. Protein stabilized pharmacologically active agents, methods for the preparation thereof and methods for the use thereof
ATE197124T1 (de) * 1993-09-09 2000-11-15 Schering Ag Wirkstoffe und gas enthaltende mikropartikel
US6565842B1 (en) 1995-06-07 2003-05-20 American Bioscience, Inc. Crosslinkable polypeptide compositions
US6537539B2 (en) 1996-01-11 2003-03-25 Human Genome Sciences, Inc. Immune cell cytokine
US7368129B1 (en) * 1996-08-14 2008-05-06 Nutrimed Biotech Amphiphilic materials and liposome formulations thereof
US8137684B2 (en) 1996-10-01 2012-03-20 Abraxis Bioscience, Llc Formulations of pharmacological agents, methods for the preparation thereof and methods for the use thereof
US20030199425A1 (en) 1997-06-27 2003-10-23 Desai Neil P. Compositions and methods for treatment of hyperplasia
US8853260B2 (en) 1997-06-27 2014-10-07 Abraxis Bioscience, Llc Formulations of pharmacological agents, methods for the preparation thereof and methods for the use thereof
ES2435944T3 (es) 1997-06-27 2013-12-26 Abraxis Bioscience, Llc Nuevas formulaciones de agentes farmacológicos, métodos para su preparación y métodos para su uso
WO2000016618A1 (en) * 1998-09-21 2000-03-30 21St Century Medicine, Inc. Improved cryoprotectant solutions
KR100321854B1 (ko) * 1998-12-30 2002-08-28 동국제약 주식회사 루테이나이징 호르몬 릴리싱 호르몬 동족체를 함유하는 장기 서방출성 미립구 및 그의 제조방법
CA2369740A1 (en) 1999-04-22 2000-11-02 American Biosciences, Inc. Long term administration of pharmacologically active agents
CA2371912C (en) 1999-05-21 2010-02-16 American Bioscience, Inc. Protein stabilized pharmacologically active agents, methods for the preparation thereof and methods for the use thereof
AR023940A1 (es) * 2000-05-03 2002-09-04 Eriochem Sa Procedimiento para la produccion de microcapsulas de liberacion prolongada de peptidos solubles en agua
ITMI20001107A1 (it) 2000-05-18 2001-11-18 Acs Dobfar Spa Metodo per il trattamento di tumori solici mediante microparticelle di albumina incorporanti paclitaxel
AU3323902A (en) 2000-12-13 2002-06-24 Merckle Gmbh Microparticles with an improved release profile and method for the production thereof
US8137699B2 (en) 2002-03-29 2012-03-20 Trustees Of Princeton University Process and apparatuses for preparing nanoparticle compositions with amphiphilic copolymers and their use
JP2003012505A (ja) * 2001-07-06 2003-01-15 Nano Career Kk 薬物含有高分子ミセルの凍結乾燥
ITMI20020680A1 (it) 2002-03-29 2003-09-29 Acs Dobfar Spa Composizione antitumorale migliorata a base di paclitaxel e metodo per il suo ottenimento
ITMI20020681A1 (it) 2002-03-29 2003-09-29 Acs Dobfar Spa Procedimento per la produzione di nanoparticelle di paclitaxel ed albumina
CN1398585A (zh) * 2002-07-15 2003-02-26 裴福兴 一种bFGF-PLA-PEG缓释微球及其制备方法和用途
KR20140148502A (ko) 2002-12-09 2014-12-31 아브락시스 바이오사이언스, 엘엘씨 약리학적 물질의 조성물 및 그 전달방법
EP1585548B1 (en) 2002-12-09 2018-06-27 Abraxis BioScience, LLC Compositions and methods of delivery of pharmacological agents
JP4851067B2 (ja) * 2004-01-28 2012-01-11 ホソカワミクロン株式会社 ナノ粒子含有組成物およびその製造方法
US8735394B2 (en) 2005-02-18 2014-05-27 Abraxis Bioscience, Llc Combinations and modes of administration of therapeutic agents and combination therapy
US20070166388A1 (en) 2005-02-18 2007-07-19 Desai Neil P Combinations and modes of administration of therapeutic agents and combination therapy
WO2006089290A1 (en) 2005-02-18 2006-08-24 Abraxis Bioscience Inc.. Combinations and modes of administration of therapeutic agents and combination therapy
JP2006321763A (ja) 2005-05-20 2006-11-30 Hosokawa Funtai Gijutsu Kenkyusho:Kk 生体適合性ナノ粒子及びその製造方法
US8034765B2 (en) 2005-08-31 2011-10-11 Abraxis Bioscience, Llc Compositions and methods for preparation of poorly water soluble drugs with increased stability
BRPI0615265A8 (pt) 2005-08-31 2018-03-06 Abraxis Bioscience Llc composições compreendendo agentes farmacêuticos pouco hidrossoluíveis e agentes antimicrobianos
WO2008027288A2 (en) * 2006-08-30 2008-03-06 The Trustees Of Columbia University In The City Of New York Treatment for craniosynostosis by growth factor delivery
US20080280987A1 (en) 2006-08-31 2008-11-13 Desai Neil P Methods of inhibiting angiogenesis and treating angiogenesis-associated diseases
BRPI0622006A2 (pt) 2006-08-31 2011-12-20 Abraxis Bioscience Llc usos de proteìna-veìculo e dìmero de colchicina ou tiocolchicina, forma unitária de dosagem, composição farmacêutica e kits
PT2117520T (pt) 2006-12-14 2018-12-04 Abraxis Bioscience Llc Terapia do cancro da mama com base no estado do receptor do hormona com nanoparticulas compreendendo taxane
LT2481402T (lt) 2007-03-07 2018-10-25 Abraxis Bioscience, Llc Nanodalelė, apimanti rapamiciną ir albuminą, kaip priešvėžinį agentą
US20100166869A1 (en) 2007-05-03 2010-07-01 Desai Neil P Methods and compositions for treating pulmonary hypertension
AU2008260447B2 (en) 2007-06-01 2013-10-10 Abraxis Bioscience, Llc Methods and compositions for treating recurrent cancer
CA2721153C (en) 2008-04-10 2018-10-02 Abraxis Bioscience, Llc Compositions of hydrophobic taxane derivatives and uses thereof
KR20150136137A (ko) 2008-04-10 2015-12-04 아브락시스 바이오사이언스, 엘엘씨 소수성 탁산 유도체의 조성물 및 그의 용도
NZ593343A (en) 2008-12-11 2013-04-26 Abraxis Bioscience Llc Combination cancer treatment conprising Abraxane and an inflamatory inhibitor
US8846096B2 (en) * 2008-12-12 2014-09-30 Creighton University Nanoparticles and methods of use
EP2201935B1 (en) * 2008-12-26 2020-07-08 Samyang Biopharmaceuticals Corporation Polymeric micelle composition containing a poorly soluble drug and preparation method of the same
BRPI1008955A2 (pt) 2009-03-13 2015-09-01 Abraxis Bioscience Llc Terapia de combinação com derivados de tiocolchicina.
EA201171195A8 (ru) * 2009-03-30 2014-08-29 Серулин Фарма Инк. Конъюгаты, частицы, композиции "полимер-агент" и способы их применения
EP2416650B1 (en) 2009-04-10 2020-02-26 Abraxis BioScience, LLC Nanoparticle formulations and uses therof
CN102460167B (zh) 2009-04-15 2015-07-22 阿布拉科斯生物科学有限公司 不含朊病毒的纳米颗粒组合物和方法
JP2013503174A (ja) 2009-08-25 2013-01-31 アブラクシス バイオサイエンス, エルエルシー タキサンおよびヘッジホッグ阻害剤のナノ粒子組成物を使用する併用療法
TR201906255T4 (tr) * 2009-12-11 2019-05-21 Pfizer Terapötik partiküllerin liyofilize edilmesine yönelik stabil formülasyonlar.
WO2011119995A2 (en) * 2010-03-26 2011-09-29 Cerulean Pharma Inc. Formulations and methods of use
CN104784121A (zh) 2010-03-26 2015-07-22 阿布拉科斯生物科学有限公司 治疗肝细胞癌的方法
NZ602385A (en) 2010-03-29 2014-08-29 Abraxis Bioscience Llc Methods of treating cancer
WO2011123393A1 (en) 2010-03-29 2011-10-06 Abraxis Bioscience, Llc Methods of enhancing drug delivery and effectiveness of therapeutic agents
JP2013527232A (ja) 2010-06-02 2013-06-27 アブラクシス バイオサイエンス, エルエルシー 膀胱がんの処置方法
KR20130088116A (ko) 2010-06-04 2013-08-07 아브락시스 바이오사이언스, 엘엘씨 췌장암의 치료 방법
MY166014A (en) 2010-06-07 2018-05-21 Abraxis Bioscience Llc Combination therapy methods for treating proliferative diseases
AU2011291582A1 (en) * 2010-08-20 2013-03-07 Cerulean Pharma Inc. Conjugates, particles, compositions, and related methods
BR112013027674A2 (pt) 2011-04-28 2016-09-06 Abraxis Bioscience Llc "usos de composições de nanopartículas, composições compreendendo as referidas nanopartículas e cateter com uma agulha".
PT2790675T (pt) 2011-12-14 2019-09-23 Abraxis Bioscience Llc Utilização de excipientes poliméricos para a liofilização ou a congelação de partículas
US9149455B2 (en) 2012-11-09 2015-10-06 Abraxis Bioscience, Llc Methods of treating melanoma
US20140186447A1 (en) 2012-12-28 2014-07-03 Abraxis Bioscience, Llc Nanoparticle compositions of albumin and paclitaxel
US20140199404A1 (en) 2013-01-11 2014-07-17 Abraxis Bioscience, Llc Method for treating cancer based on level of a nucleoside transporter
US9511046B2 (en) 2013-01-11 2016-12-06 Abraxis Bioscience, Llc Methods of treating pancreatic cancer
US20140199405A1 (en) 2013-01-11 2014-07-17 Abraxis Bioscience, Llc Method for treating cancer based on mutation status of k-ras
NZ630239A (en) 2013-02-11 2017-08-25 Abraxis Bioscience Llc Methods of treating melanoma
ES2804323T3 (es) 2013-03-12 2021-02-05 Abraxis Bioscience Llc Procedimientos de tratamiento de cáncer de pulmón
AU2014228386B2 (en) 2013-03-13 2018-11-29 Abraxis Bioscience, Llc Methods of treatment of pediatric solid tumor
CA2903548A1 (en) 2013-03-14 2014-09-25 Abraxis Bioscience, Llc Methods of treating bladder cancer
WO2015157120A1 (en) 2014-04-06 2015-10-15 Abraxis Bioscience, Llc Combination therapy comprising nanoparticles of a taxane and albumin with abt-263 in methods for treating cancer
WO2016141365A1 (en) 2015-03-05 2016-09-09 Abraxis Bioscience, Llc Method for treating cancer based on level of glucocorticoid receptor
EP3313409A4 (en) 2015-06-29 2018-12-26 Abraxis BioScience, LLC Methods of treating hematological malignancy using nanoparticle mtor inhibitor combination therapy
JP2018527308A (ja) 2015-06-29 2018-09-20 アブラクシス バイオサイエンス, エルエルシー ナノ粒子組成物のためのバイオマーカー
CA2990726A1 (en) 2015-06-29 2017-01-05 Abraxis Bioscience, Llc Methods of treating solid tumors using nanoparticle mtor inhibitor combination therapy
EP3313401B1 (en) 2015-06-29 2021-10-06 Abraxis BioScience, LLC Nanoparticles comprising sirolimus and an albumin for use in treating epithelioid cell tumors
US20170181988A1 (en) 2015-12-23 2017-06-29 Cipla Limited Methods for the treatment of bladder cancer
WO2017201189A1 (en) 2016-05-17 2017-11-23 Abraxis Bioscience, Llc Methods for assessing neoadjuvant therapies
MX2019003988A (es) 2016-10-10 2019-08-14 Abraxis Bioscience Llc Formulaciones de nanoparticulas y sus metodos de fabricacion y uso.
US20180374583A1 (en) 2017-05-16 2018-12-27 Abraxis Bioscience, Llc Nomogram and survival predictions for pancreatic cancer
CN111683657A (zh) 2017-12-19 2020-09-18 阿布拉科斯生物科学有限公司 利用纳米颗粒mTOR抑制剂联合疗法治疗结肠癌的方法

Similar Documents

Publication Publication Date Title
RU2014128590A (ru) Применение полимерных эксципиентов для лиофилизации или заморозки частиц
Sultana et al. Stability issues and approaches to stabilised nanoparticles based drug delivery system
Zhang et al. DNA origami as an in vivo drug delivery vehicle for cancer therapy
Jain et al. Comparison of ciprofloxacin hydrochloride‐loaded protein, lipid, and chitosan nanoparticles for drug delivery
JP2011520813A5 (enExample)
Gupta et al. Possible role of nanocarriers in drug delivery against cervical cancer
JP2011525477A5 (enExample)
Shen et al. Nanoparticle delivery systems for DNA/RNA and their potential applications in nanomedicine
US20210093580A1 (en) Nanoscale coatings for encapsulation of biological entities
JP2016504362A5 (enExample)
JP2013530158A5 (enExample)
JP2014530219A5 (enExample)
Gordon et al. In vitro and in vivo investigation of thermosensitive chitosan hydrogels containing silica nanoparticles for vaccine delivery
JP2017535581A5 (enExample)
JP2011157405A5 (enExample)
JP2016511747A5 (enExample)
CN103432100A (zh) 基于聚乙二醇及叶酸接枝的聚乙烯亚胺改性的plga载药空心微囊的制备方法
CN102766262B (zh) 双功能纳米粒载体及双功能纳米粒制剂的制备方法
CN105343015A (zh) 具有双淋巴靶向的抗肿瘤药物载体制备方法
Blanco-Prıeto et al. In vitro evaluation of gentamicin released from microparticles
CN103169662A (zh) 一种紫杉醇高分子纳米颗粒及制备方法
JP2018505805A5 (enExample)
JP2019534897A5 (enExample)
CN110354072A (zh) 一种近红外光响应的氧化石墨烯/凹凸棒石复合超分子水凝胶的制备和应用
CN105534955A (zh) 一种双层缓控释纳米粒及其制备方法