GR3006499T3 - - Google Patents

Info

Publication number
GR3006499T3
GR3006499T3 GR920402855T GR920402855T GR3006499T3 GR 3006499 T3 GR3006499 T3 GR 3006499T3 GR 920402855 T GR920402855 T GR 920402855T GR 920402855 T GR920402855 T GR 920402855T GR 3006499 T3 GR3006499 T3 GR 3006499T3
Authority
GR
Greece
Prior art keywords
acid addition
free base
addition salt
permeants
combined
Prior art date
Application number
GR920402855T
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GR3006499T3 publication Critical patent/GR3006499T3/el

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/08Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
    • A61K47/10Alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene glycols [PEG]; Poloxamers; PEG/POE alkyl ethers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/08Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
    • A61K47/14Esters of carboxylic acids, e.g. fatty acid monoglycerides, medium-chain triglycerides, parabens or PEG fatty acid esters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/20Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing sulfur, e.g. dimethyl sulfoxide [DMSO], docusate, sodium lauryl sulfate or aminosulfonic acids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/22Heterocyclic compounds, e.g. ascorbic acid, tocopherol or pyrrolidones
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/0012Galenical forms characterised by the site of application
    • A61K9/0014Skin, i.e. galenical aspects of topical compositions

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Dermatology (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cosmetics (AREA)
GR920402855T 1987-12-21 1992-12-09 GR3006499T3 (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/136,115 US4888354A (en) 1987-12-21 1987-12-21 Skin penetration enhancement using free base and acid addition salt combinations of active agents

Publications (1)

Publication Number Publication Date
GR3006499T3 true GR3006499T3 (el) 1993-06-21

Family

ID=22471370

Family Applications (1)

Application Number Title Priority Date Filing Date
GR920402855T GR3006499T3 (el) 1987-12-21 1992-12-09

Country Status (9)

Country Link
US (1) US4888354A (el)
EP (1) EP0321870B1 (el)
JP (1) JP2856407B2 (el)
KR (1) KR970007898B1 (el)
AT (1) ATE82137T1 (el)
CA (1) CA1332713C (el)
DE (1) DE3875931T2 (el)
ES (1) ES2052682T3 (el)
GR (1) GR3006499T3 (el)

Families Citing this family (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5446070A (en) * 1991-02-27 1995-08-29 Nover Pharmaceuticals, Inc. Compositions and methods for topical administration of pharmaceutically active agents
US5234957A (en) * 1991-02-27 1993-08-10 Noven Pharmaceuticals, Inc. Compositions and methods for topical administration of pharmaceutically active agents
US4975271A (en) * 1988-12-19 1990-12-04 Vipont Pharmaceutical, Inc. Muscosal delivery systems for treatment of periodontal disease
DE69009540T2 (de) * 1989-03-15 1994-09-29 Nitto Denko Corp Arzneimittel enthaltendes Heftpflaster.
US5246949A (en) * 1989-12-06 1993-09-21 Sansho Co., Ltd. Preparation for endermism containing dopamine derivatives
JPH03236317A (ja) * 1989-12-06 1991-10-22 Sansei Seiyaku Kk ドパミン誘導体含有経皮用製剤
US5292521A (en) * 1990-04-06 1994-03-08 Eisai Co., Ltd. Solid oral preparation containing a pyrrolidine derivative with a catechol group
US5433950A (en) * 1990-05-07 1995-07-18 Schering-Plough Healthcare Products, Inc. Flexible collodion compositions
US5332576A (en) * 1991-02-27 1994-07-26 Noven Pharmaceuticals, Inc. Compositions and methods for topical administration of pharmaceutically active agents
WO1993000113A1 (en) * 1991-06-21 1993-01-07 Victor Patrick Davidson A composition for treating a soft tissue injury
US5470874A (en) * 1994-10-14 1995-11-28 Lerner; Sheldon Ascorbic acid and proanthocyanidine composition for topical application to human skin
US5618557A (en) * 1994-11-22 1997-04-08 E.R. Squibb & Sons, Inc. Prophylactic treatment of allergic contact dermatitis
GB9504265D0 (en) * 1995-03-03 1995-04-19 Medeva Plc Corticosteroid-containing pharmaceutical composition
US5990179A (en) * 1995-04-28 1999-11-23 Alza Corporation Composition and method of enhancing electrotransport agent delivery
SE9601528D0 (sv) 1996-04-23 1996-04-23 Pharmacia Ab Transdermally administered dextromethorphan as antitissue agent
US6512010B1 (en) 1996-07-15 2003-01-28 Alza Corporation Formulations for the administration of fluoxetine
AU718811B2 (en) * 1996-10-30 2000-04-20 Theratech, Inc. Fatty acid esters of glycolic acid and its salts as permeation enhancers
US6203817B1 (en) 1997-02-19 2001-03-20 Alza Corporation Reduction of skin reactions caused by transdermal drug delivery
AUPO983897A0 (en) * 1997-10-17 1997-11-06 Soltec Research Pty Ltd Topical antifungal composition
US6398753B2 (en) 1998-04-03 2002-06-04 Mcdaniel David H. Ultrasound enhancement of percutaneous drug absorption
US6030374A (en) * 1998-05-29 2000-02-29 Mcdaniel; David H. Ultrasound enhancement of percutaneous drug absorption
AUPP310798A0 (en) * 1998-04-22 1998-05-14 Soltec Research Pty Ltd Vehicle system for a composition comprising a piperidinopyrimidine derivative
US6265412B1 (en) * 1998-05-26 2001-07-24 Taisho Pharmaceutical Co., Ltd. Minoxidil compositions for external use
US7004933B2 (en) 1998-05-29 2006-02-28 Light Bioscience L.L.C. Ultrasound enhancement of percutaneous drug absorption
US6699497B1 (en) 1998-07-24 2004-03-02 Alza Corporation Formulations for the transdermal administration of fenoldopam
US9192780B2 (en) 1998-11-30 2015-11-24 L'oreal Low intensity light therapy for treatment of retinal, macular, and visual pathway disorders
US6663659B2 (en) 2000-01-13 2003-12-16 Mcdaniel David H. Method and apparatus for the photomodulation of living cells
US6283956B1 (en) * 1998-11-30 2001-09-04 David H. McDaniels Reduction, elimination, or stimulation of hair growth
US6936044B2 (en) * 1998-11-30 2005-08-30 Light Bioscience, Llc Method and apparatus for the stimulation of hair growth
US6887260B1 (en) 1998-11-30 2005-05-03 Light Bioscience, Llc Method and apparatus for acne treatment
US20060212025A1 (en) * 1998-11-30 2006-09-21 Light Bioscience, Llc Method and apparatus for acne treatment
US6676655B2 (en) 1998-11-30 2004-01-13 Light Bioscience L.L.C. Low intensity light therapy for the manipulation of fibroblast, and fibroblast-derived mammalian cells and collagen
EP1449527A3 (en) * 1998-12-07 2004-09-08 Elan Pharma International Limited Transdermal patch for administering a volatile liquid drug
US6974588B1 (en) 1999-12-07 2005-12-13 Elan Pharma International Limited Transdermal patch for delivering volatile liquid drugs
US7179483B2 (en) 2000-04-26 2007-02-20 Watson Pharmaceuticals, Inc. Compositions and methods for transdermal oxybutynin therapy
WO2002096374A2 (en) 2001-05-31 2002-12-05 Upsher-Smith Laboratories, Inc. Dermatological compositions and methods comprising alpha-hydroxy acids or derivatives
US20030060422A1 (en) 2001-08-31 2003-03-27 Balaji Venkataraman Tannate compositions and methods of treatment
US10285910B2 (en) 2001-10-12 2019-05-14 Aquestive Therapeutics, Inc. Sublingual and buccal film compositions
US20070281003A1 (en) 2001-10-12 2007-12-06 Fuisz Richard C Polymer-Based Films and Drug Delivery Systems Made Therefrom
US7425292B2 (en) 2001-10-12 2008-09-16 Monosol Rx, Llc Thin film with non-self-aggregating uniform heterogeneity and drug delivery systems made therefrom
US7666337B2 (en) 2002-04-11 2010-02-23 Monosol Rx, Llc Polyethylene oxide-based films and drug delivery systems made therefrom
US20110033542A1 (en) 2009-08-07 2011-02-10 Monosol Rx, Llc Sublingual and buccal film compositions
US7910641B2 (en) 2001-10-12 2011-03-22 Monosol Rx, Llc PH modulated films for delivery of actives
US8603514B2 (en) * 2002-04-11 2013-12-10 Monosol Rx, Llc Uniform films for rapid dissolve dosage form incorporating taste-masking compositions
US20190328679A1 (en) 2001-10-12 2019-10-31 Aquestive Therapeutics, Inc. Uniform films for rapid-dissolve dosage form incorporating anti-tacking compositions
US8663687B2 (en) 2001-10-12 2014-03-04 Monosol Rx, Llc Film compositions for delivery of actives
US7357891B2 (en) 2001-10-12 2008-04-15 Monosol Rx, Llc Process for making an ingestible film
US8765167B2 (en) 2001-10-12 2014-07-01 Monosol Rx, Llc Uniform films for rapid-dissolve dosage form incorporating anti-tacking compositions
US11207805B2 (en) 2001-10-12 2021-12-28 Aquestive Therapeutics, Inc. Process for manufacturing a resulting pharmaceutical film
US8900498B2 (en) 2001-10-12 2014-12-02 Monosol Rx, Llc Process for manufacturing a resulting multi-layer pharmaceutical film
US8900497B2 (en) 2001-10-12 2014-12-02 Monosol Rx, Llc Process for making a film having a substantially uniform distribution of components
US8758733B2 (en) 2002-02-04 2014-06-24 Allergan, Inc. Topical treatment for chemotherapy induced eyelash loss or hypotrichosis using prostamide F2 alpha agonists
US9216183B2 (en) 2002-02-04 2015-12-22 Allergan, Inc. Topical treatment for chemotherapy induced eyelash loss or hypotrichosis using prostamide F2 alpha agonists
US7351404B2 (en) 2002-02-04 2008-04-01 Allergan, Inc. Method of enhancing hair growth
US7022342B2 (en) 2002-03-28 2006-04-04 Andrx Corporation, Inc. Controlled release oral dosage form of beta-adrenergic blocking agents
US8017150B2 (en) 2002-04-11 2011-09-13 Monosol Rx, Llc Polyethylene oxide-based films and drug delivery systems made therefrom
US9561182B2 (en) 2003-08-22 2017-02-07 Cure Pharmaceutical Corporation Edible films for administration of medicaments to animals, methods for their manufacture and methods for their use for the treatment of animals
JP2006522660A (ja) 2003-04-10 2006-10-05 ライト バイオサイエンス,エルエルシー 細胞増殖及び遺伝子発現を調節するためのフォトモジュレーション方法及び装置
US20040258742A1 (en) * 2003-04-11 2004-12-23 Van Osdol William Woodson Transdermal administration of N-(2,5-disubstituted phenyl)-N'-(3-substituted phenyl)-N'-methyl guanidines
ES2572976T3 (es) * 2003-07-31 2016-06-03 Gentlewaves Llc Sistema y método para el tratamiento fotodinámico de la piel
US20080020028A1 (en) * 2003-08-20 2008-01-24 Euro-Celtique S.A. Transdermal dosage form comprising an active agent and a salt and a free-base form of an adverse agent
CA2555396C (en) * 2004-02-06 2016-03-15 Daniel Barolet Method and device for the treatment of mammalian tissues
WO2006036936A2 (en) 2004-09-27 2006-04-06 Bridge Pharma, Inc. The s-isomer of 2-{2-[n-(2-indanyl)-n-phenylamino]ethyl}piperidine and other dermal anesthetic agents
US7872050B2 (en) * 2005-03-14 2011-01-18 Yaupon Therapeutics Inc. Stabilized compositions of volatile alkylating agents and methods of using thereof
US20110039943A1 (en) * 2005-03-14 2011-02-17 Robert Alonso Methods for treating skin disorders with topical nitrogen mustard compositions
US8501818B2 (en) * 2005-03-14 2013-08-06 Ceptaris Therapeutics, Inc. Stabilized compositions of alkylating agents and methods of using same
US20060216350A1 (en) * 2005-03-24 2006-09-28 Dow Gordon J Ganglionic blocking agents for the treatment of epithelial diseases
WO2007033152A2 (en) * 2005-09-12 2007-03-22 Conor Medsystems, Inc. Composition, system and method for modulating release kinetics in implantable drug delivery devices by modifying drug solubility
CA2633655A1 (en) * 2005-12-19 2007-07-05 Comentis, Inc. Topical mecamylamine formulations for ocular administration and uses therof
US20070172515A1 (en) * 2006-01-20 2007-07-26 Monosolrx, Llc Film bandage for mucosal administration of actives
WO2008011161A2 (en) 2006-07-21 2008-01-24 Bridge Pharma, Inc. Dermal anesthetic compounds
CA2664097A1 (en) 2006-09-20 2008-03-27 Monosol Rx, Llc Edible water-soluble film containing a foam reducing flavoring agent
US20080081829A1 (en) * 2006-09-28 2008-04-03 Med Institute, Inc Medical Device Including an Anesthetic and Method of Preparation Thereof
US20080108824A1 (en) * 2006-09-28 2008-05-08 Med Institute, Inc Medical Devices Incorporating a Bioactive and Methods of Preparing Such Devices
WO2008039995A2 (en) * 2006-09-28 2008-04-03 Vance Products Incorporated, D/Ba Cook Urological Incorporated Medical device including a bioactive in a non-ionic and an ionic form and methods of preparation thereof
EP3381445B1 (en) 2007-11-15 2023-10-25 Amgen Inc. Aqueous formulation of antibody stablised by antioxidants for parenteral administration
FR2926721B1 (fr) * 2008-01-30 2011-07-22 Philippe Perovitch Forme galenique pour l'adminsitration par voie trans-muqueuse de triptans
ES2848841T3 (es) * 2008-03-27 2021-08-12 Helsinn Healthcare Sa Composiciones estabilizadas de agentes de alquilación y métodos de utilización de estas composiciones
US7943187B2 (en) * 2008-05-23 2011-05-17 Bakr Rabie Paeoniflorin preparations and uses thereof for fat reduction
US20100204335A1 (en) * 2008-12-01 2010-08-12 Allergan, Inc. Kit and composition for eyelash growth
US8475832B2 (en) 2009-08-07 2013-07-02 Rb Pharmaceuticals Limited Sublingual and buccal film compositions
US9149484B2 (en) 2009-11-09 2015-10-06 Allergan, Inc. Compositions and methods for stimulating hair growth
CN102724951A (zh) 2009-11-09 2012-10-10 阿勒根公司 用于刺激毛发生长的组合物和方法
AU2011265294B2 (en) 2010-06-10 2015-01-22 Aquestive Therapeutics, Inc. Nanoparticle film delivery systems
US9149959B2 (en) 2010-10-22 2015-10-06 Monosol Rx, Llc Manufacturing of small film strips
US20120129789A1 (en) 2010-11-18 2012-05-24 Steven Yoelin Compositions and methods for hair growth
US8859616B2 (en) 2011-01-21 2014-10-14 Allergan, Inc. Compounds and methods for enhancing hair growth
US20150164765A1 (en) 2012-05-17 2015-06-18 Steven G. Yoelin Compositions and methods for hair growth
CN109106606A (zh) * 2013-03-14 2019-01-01 阿勒根公司 包含比马前列素的局部组合物和利用其刺激毛发生长的方法
US9587235B2 (en) 2013-03-15 2017-03-07 Atyr Pharma, Inc. Histidyl-tRNA synthetase-Fc conjugates
KR20230137362A (ko) 2016-05-05 2023-10-04 어퀘스티브 테라퓨틱스, 아이엔씨. 강화된 전달 에프네프린 조성물
US11273131B2 (en) 2016-05-05 2022-03-15 Aquestive Therapeutics, Inc. Pharmaceutical compositions with enhanced permeation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL300886A (el) * 1962-11-23
CA1165240A (en) * 1980-07-09 1984-04-10 The Procter & Gamble Company Penetrating topical pharmaceutical compositions
US4537776A (en) * 1983-06-21 1985-08-27 The Procter & Gamble Company Penetrating topical pharmaceutical compositions containing N-(2-hydroxyethyl) pyrrolidone
US4731384A (en) * 1983-07-01 1988-03-15 Troponwerke Gmbh & Co, Kg Etofenamate formulation
US4600708A (en) * 1985-07-19 1986-07-15 American Home Products Corporation Propranolol hydrochloride liquid formulations
ES2042564T3 (es) * 1986-06-13 1993-12-16 Procter & Gamble Composiciones por via topica penetrantes mejoradas para aumentar el crecimiento del cabello.

Also Published As

Publication number Publication date
KR970007898B1 (ko) 1997-05-17
CA1332713C (en) 1994-10-25
ATE82137T1 (de) 1992-11-15
DE3875931T2 (de) 1993-03-25
US4888354A (en) 1989-12-19
KR890009374A (ko) 1989-08-01
JP2856407B2 (ja) 1999-02-10
ES2052682T3 (es) 1994-07-16
EP0321870B1 (en) 1992-11-11
DE3875931D1 (de) 1992-12-17
EP0321870A1 (en) 1989-06-28
JPH02104516A (ja) 1990-04-17

Similar Documents

Publication Publication Date Title
GR3006499T3 (el)
US5091171B1 (en) Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use
ES8603271A1 (es) Un metodo de producir una composicion de interleuquina-2
ES8702153A1 (es) Un metodo de administracion de una cantidad terapeuticamenteefectiva de timolol
EP0255364A3 (en) Anhydrous cosmetic preparation
GR3023038T3 (en) Use of coconut precursor fatty acid as insect-repellent.
PL340580A1 (en) Dibenzylidene sorbitol containing antiperspirant
ATE150292T1 (de) Titansalz enthaltende, schweisshemmende mittel und zusammensetzung
ZA854865B (en) A gangliosides mixture,useful as a therapeutical tool for eliminating painful effects of peripheral neuropathies
ES2002083A6 (es) Un metodo para preparar derivados de piroglutamida
EP0702518A4 (en) TREATMENT OF DEGENERATIVE VASCULAR DISEASES BY MODULATION OF ENDOGENOUS NITRIC OXIDE ACTIVITY OR PRODUCTION
JO1610B1 (en) Tetrahydimidimidose compounds (1,4) benzodiazepine-2 thyonath anti-viral and anti-viral
HUT46837A (en) Compositions of insectifuge and acarifuge activity containing alpha, omega-amino-alkohol derivatives as active components and process for producing the active components
MY104942A (en) Antiviral tetrahydroimidazo [1,4] benzodiazepin-2-ones.
ES8700054A1 (es) Procedimiento de obtencion de germicidas a base de acidos clorhidrico y fosforico.
GR3007508T3 (el)
GB8610649D0 (en) Fastening implements to tractor
EP0227531A3 (en) Pyroglutamic acid esters used as dermal penetration enhancers for drugs
IN171755B (el)
HUT41965A (en) Insecticide compositions containing s,s-di/terc-alkyl/-thiophosphonate derivatives as active agents and process for producing the active agents
ZA873928B (en) Topical methotrexate preparation for the treatment of hyperproliferative epithelial disease
IT8521528A0 (it) Composizioni farmaceutiche e cosmetiche contenenti come ingrediente attivo diidrossi-1,8fenil-10 antrone-9, e procedimentodi preparazione dell'ingrediente attivo.
EP0052085A3 (en) Pharmaceutical composition containing vincamine
GB8911208D0 (en) Cosmetic composition
IT8448046A0 (it) Acido tricloroacetoortossi-3,4,5,6tetraclorobenzoico ad attivita' chemioterapica di neoformazioni benigne cutanee e subcutanee, procedimento per la sua produzione e composizioni che lo contengono