BR102018074940A2 - drug composition for the treatment of bedsores and stasis ulcers - Google Patents
drug composition for the treatment of bedsores and stasis ulcers Download PDFInfo
- Publication number
- BR102018074940A2 BR102018074940A2 BR102018074940A BR102018074940A BR102018074940A2 BR 102018074940 A2 BR102018074940 A2 BR 102018074940A2 BR 102018074940 A BR102018074940 A BR 102018074940A BR 102018074940 A BR102018074940 A BR 102018074940A BR 102018074940 A2 BR102018074940 A2 BR 102018074940A2
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- Prior art keywords
- treatment
- ulcers
- concentration
- bedsores
- drug composition
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Abstract
composição medicamentosa para o tratamento de escaras e úlceras de estase, sendo que a invenção descreve uma composição medicamentosa para o tratamento de escaras e úlceras de estase, de uso tópico humano e animal, que compreende a associação sinérgica de nistatina, metronidazol, neomicina, bacitracina e benzilpenicilina, antimicrobianos com eficácia comprovada; ao menos um agente de oclusão de forma a manter os princípios ativos por mais tempo na ferida; ao menos um agente emoliente de forma a auxiliar no processo de regeneração dos tecidos e excipientes inertes formadores de formas farmacêuticas tópicas com o objetivo de tratar infecções, promover a recuperação da área lesada e aliviar a dor associada.drug composition for the treatment of stasis bedsores and ulcers, the invention describing a drug composition for the treatment of stasis bedsores and ulcers, for human and animal topical use, comprising the synergistic association of nystatin, metronidazole, neomycin, bacitracin and benzylpenicillin, antimicrobials with proven efficacy; at least one occlusion agent in order to keep the active ingredients in the wound longer; at least one emollient agent in order to assist in the regeneration process of tissues and inert excipients that form topical pharmaceutical forms in order to treat infections, promote the recovery of the injured area and relieve the associated pain.
Description
COMPOSIÇÃO MEDICAMENTOSA PARA O TRATAMENTO DEDRUG COMPOSITION FOR THE TREATMENT OF
ESCARAS E ÚLCERAS DE ESTASESCALES AND STASE ULCERS
Campo da InvençãoField of the Invention
- A presente patente de invenção descreve uma composição medicamentosa, de uso humano e animal, para o tratamento de escaras e úlceras de estase. Mais especificamente compreende uma composição contendo a associação dos princípios ativos nistatina, metronidazol, neomicina, bacitracina e benzilpenicilina, nas formas de base ou de seus sais derivados, acrescida de agentes de oclusão, emolientes e outros excipientes inertes formadores e estabilizadores de formas farmacêuticas tópicas. A associação atua de forma sinérgica contra infecções presentes na pele, potencializando a cicatrização da área lesada e, consequentemente, diminuindo o desconforto e dor gerados pelas feridas.- The present invention patent describes a drug composition, for human and animal use, for the treatment of bedsores and stasis ulcers. More specifically, it comprises a composition containing the association of the active ingredients nystatin, metronidazole, neomycin, bacitracin and benzylpenicillin, in the base forms or their derived salts, plus occlusion agents, emollients and other inert excipients that form and stabilize topical pharmaceutical forms. The association acts synergistically against infections present on the skin, enhancing the healing of the injured area and, consequently, reducing the discomfort and pain generated by the wounds.
Antecedentes da InvençãoBackground of the Invention
- Escaras e úlceras de estase são afecções da pele e de tecidos subcutâneos causadas pela interrupção da circulação sanguínea e do provimento de nutrientes das áreas afetadas. Com extensões e profundidades variáveis, estas afecções são motivadas pela pressão aumentada por um período prolongado, imobilidade, fricção, traumatismos, idade avançada, desnutrição, diabetes, dentre outras causas (James W.D., Berger T.G., Elston D.M. In: Andrews Diseases of the Skin: Clinical Dermatology. Ed.11. China: Ed. Elsevier, 2011).- Stasis sores and ulcers are disorders of the skin and subcutaneous tissues caused by the interruption of blood circulation and the supply of nutrients in the affected areas. With varying lengths and depths, these conditions are motivated by increased pressure for a prolonged period, immobility, friction, trauma, old age, malnutrition, diabetes, among other causes (James WD, Berger TG, Elston DM In: Andrews Diseases of the Skin : Clinical Dermatology. Ed.11. China: Ed. Elsevier, 2011).
- Diferentemente de boa parte das alterações de pele, estas afecções têm sido alvo de grande preocupação para os serviços de saúde, pois a sua ocorrência causa impacto tanto para os pacientes e seus familiares, quanto para o- Unlike most skin changes, these conditions have been a target of great concern for health services, as their occurrence causes an impact both for patients and their families, as well as for the patient.
Petição 870180157516, de 30/11/2018, pág. 11/22Petition 870180157516, of 11/30/2018, p. 11/22
I 10 próprio sistema de saúde, com o prolongamento de internações, riscos de infecção e outros agravos evitáveis (Protocolo para Prevenção e Tratamento de Úlceras de Pressão; Ministério da SaúdelANVISAlFiocruz, 2013).I 10 health system itself, with prolonged hospitalizations, risks of infection and other preventable diseases (Protocol for the Prevention and Treatment of Pressure Ulcers; Ministério da SaúdelANVISAlFiocruz, 2013).
- O tratamento, que varia de acordo com a gravidade e extensão das lesões, compreende desde cuidados básicos nutricionais, de limpeza e desinfecção do local afetado e de uso de curativos até intervenções medicamentosas e cirúrgicas. Os medicamentos utilizados, administrados local ou sistemicamente, objetivam principalmente o alívio da dor, o favorecimento da cicatrização e o controle da infecção (Singer A.J., Hollander J.E., Quinn J.V. Evaluation and management of traumatic lacerations. N Eng J Med; 1997; 337:1142-8).- The treatment, which varies according to the severity and extent of the lesions, ranges from basic nutritional care, cleaning and disinfection of the affected area and the use of dressings to medical and surgical interventions. The drugs used, administered locally or systemically, aim mainly at relieving pain, promoting healing and controlling infection (Singer AJ, Hollander JE, Quinn JV Evaluation and management of traumatic lacerations. N Eng J Med; 1997; 337: 1142-8).
Neste sentido, a terapia tópica é uma alternativa prática que pode ser única ou complementar à terapia sistêmica. A utilização de tratamento tópico apresenta como vantagens a facilidade de aplicação, altas concentrações dos princípios ativos no local da lesão, menor risco de desenvolvimento de resistência microbiana e menor incidência de eventos adversos (Cesur S. Topical antibiotics and clinical use. Mikrobiyol Bul 2002; 36(3-4):353-61).In this sense, topical therapy is a practical alternative that can be unique or complementary to systemic therapy. The use of topical treatment has the advantages of ease of application, high concentrations of active ingredients at the site of the injury, less risk of developing microbial resistance and less incidence of adverse events (Cesur S. Topical antibiotics and clinical use. Mikrobiyol Bul 2002; 36 (3-4): 353-61).
- Além disto, a terapia antimicrobiana tópica permite um melhor controle da colonização microbiana, reduzindo a formação de crostas, as quais facilitam a manutenção da infecção, prevenindo, assim, o desenvolvimento de infecções mais graves (Palmieri T.L., Greenhalgh D.G. Topical treatment of pediatric patients with burns: a practical guide. Am J Clin Dermatology 2002; 3(8):529-34).- In addition, topical antimicrobial therapy allows better control of microbial colonization, reducing the formation of crusts, which facilitate the maintenance of infection, thus preventing the development of more serious infections (Palmieri TL, Greenhalgh DG Topical treatment of pediatric patients with burns: a practical guide.Am J Clin Dermatology 2002; 3 (8): 529-34).
- Os tratamentos tópicos para escaras aprovados no Brasil incluem: óleos, que diminuem a fricção com tecidos, atuam na proteção quanto a entrada de sujidades e auxiliam na cicatrização; pomadas com papaína, que auxiliam na- Topical treatments for bedsores approved in Brazil include: oils, which reduce friction with tissues, act as protection against the entry of dirt and assist in healing; ointments with papain, which help in
Petição 870180157516, de 30/11/2018, pág. 12/22Petition 870180157516, of 11/30/2018, p. 12/22
I 10 regeneração tecidual, cremes contendo a associação entre acetato de clostebol, hormônio esteróide que age aumentando a produção de proteínas, essenciais para formação de novas células e sulfato de neomicina, antibiótico; pomadas contendo dexpantenol e cremes contendo sulfadiazina de prata.I 10 tissue regeneration, creams containing the association between clostebol acetate, a steroid hormone that acts by increasing the production of proteins, essential for the formation of new cells and neomycin sulfate, antibiotic; ointments containing dexpanthenol and creams containing silver sulfadiazine.
- Como estas intervenções medicamentosas precisam ser múltiplas, a adesão ao tratamento e, conseqüentemente, o sucesso terapêutico, podem ser prejudicados. De forma isolada cada um dos tratamentos tópicos não abrange todo o espectro antimicrobiano que a invenção proposta apresenta. Alguns atuam na prevenção, outros no estímulo da cicatrização e os que contém antibiótico possuem espectro reduzido.- As these drug interventions need to be multiple, adherence to treatment and, consequently, therapeutic success, may be impaired. In isolation, each of the topical treatments does not cover the entire antimicrobial spectrum that the proposed invention presents. Some act in prevention, others in stimulating healing and those containing antibiotics have a reduced spectrum.
- Dentre os antibióticos mais eficazes para o tratamento de infecções em escaras citam-se:- Among the most effective antibiotics for treating bedsore infections are:
- A) A nistatina que é um antibiótico antifúngico poliênico com ação fungistática e fungicida in vitro contra uma grande variedade de leveduras e fungos leveduriformes. Atua ligando-se aos esteróides existentes na membrana celular dos fungos susceptíveis, com resultante alteração na permeabilidade da membrana celular e consequente extravasamento do conteúdo citoplasmático (Brunton, L.L. Goodman & Gilman: As Bases Farmacológicas da Terapêutica. 12a ed. Rio de Janeiro: McGraw-Hill, 2012).- A) Nystatin, which is a polyene antifungal antibiotic with fungistatic and fungicidal action in vitro against a wide variety of yeasts and yeast fungus. It acts by binding to existing steroid in cell membranes of susceptible fungi, with resulting change in the permeability of the cell membrane and subsequent leakage of cytoplasmic contents (Brunton LL Goodman & Gilman: The Pharmacological Basis of Therapeutics 12th ed Rio de Janeiro..: McGraw-Hill, 2012).
- B) O metronidazol que é um anti-infeccioso de uso local do grupo dos nitro-5-imidazóis, com espectro de atividade antimicrobiana prevalente em microorganismos anaeróbios (H.P Rang e colaboradores: Farmacologia. 6a ed. Rio de Janeiro, Elsevier, 2007).- B) Metronidazole, which is an anti-infective used locally in the group of nitro-5-imidazoles, with a spectrum of antimicrobial activity prevalent in anaerobic microorganisms (HP Rang and collaborators: Pharmacology. 6th ed. Rio de Janeiro, Elsevier, 2007 ).
- C) A neomicina que determina um erro na leitura do código genético da bactéria, interferindo na síntese de suas proteínas. É eficaz contra bactérias- C) Neomycin that determines an error in the reading of the bacterium's genetic code, interfering in the synthesis of its proteins. It is effective against bacteria
Petição 870180157516, de 30/11/2018, pág. 13/22Petition 870180157516, of 11/30/2018, p. 13/22
I 10 gram-positivas, e particularmente contra as gram-negativas (H.P Rang e colaboradores: Farmacologia. 6a ed. Rio de Janeiro, Elsevier, 2007).I 10 gram-positive, particularly against gram-negative (HP Rang and employees Pharmacology 6 ed Rio de Janeiro, Elsevier, 2007..).
- D) A bacitracina que inibe a biossíntese da parede celular bacteriana. Seu espectro de ação compreende principalmente as bactérias grampositivas e algumas bactérias gram-negativas (H.P Rang e colaboradores: Farmacologia. 6a ed. Rio de Janeiro, Elsevier, 2007).- D) Bacitracin that inhibits bacterial cell wall biosynthesis. Its spectrum of action includes mainly gram-positive bacteria and some gram-negative bacteria (H.P Rang and collaborators: Pharmacology. 6th ed. Rio de Janeiro, Elsevier, 2007).
- E) A Benzilpenicilina que interfere com a síntese do peptideoglicano da parede celular bacteriana e é eficaz contra microorganismos resistentes a penicilina e estreptococcos, estafilococcos e pneumococos. (H.P Rang e colaboradores: Farmacologia. 6a ed. Rio de Janeiro, Elsevier, 2007)- E) Benzylpenicillin that interferes with the peptideoglycan synthesis of the bacterial cell wall and is effective against microorganisms resistant to penicillin and streptococci, staphylococci and pneumococci. (H.P Rang and collaborators: Pharmacology. 6th ed. Rio de Janeiro, Elsevier, 2007)
- Além de antimicrobianos, é fundamental que a forma farmacêutica tópica destinada a tratar escaras e úlceras de estase também contenha (Remington's Pharmaceutical Sciences, 18a ed. Philadelphia, Mack Publishing Company, 1990):- In addition to antibiotics, it is essential that the topical pharmaceutical form intended to treat bed sores and ulcers of stasis also contains (Remington's Pharmaceutical Sciences, 18th ed Philadelphia, Mack Publishing Company, 1990.):
- A) Agentes de oclusão, que são substâncias lipofílicas que tem a capacidade de ocluir a área onde a forma farmacêutica é aplicada de forma a manter os princípios ativos por mais tempo no local e evitar perda de água e eletrólitos.- A) Occlusion agents, which are lipophilic substances that have the ability to occlude the area where the pharmaceutical form is applied in order to keep the active ingredients in place for longer and avoid loss of water and electrolytes.
- B) A presença de substâncias emolientes associadas que facilitam a cicatrização da área lesada, auxiliando na regeneração da pele.- B) The presence of associated emollient substances that facilitate the healing of the injured area, helping in the regeneration of the skin.
Em buscas efetuadas no estado da arte pertinente ao campo técnico da invenção, foram encontradas as invenções descritas a seguir.In searches carried out in the state of the art pertinent to the technical field of the invention, the inventions described below were found.
- O documento PI 0313824-0 descreve uma composição tópica que compreende pelo menos 5 % em peso de metronidazol ou um seu derivado farmacologicamente aceitável, em um veículo não-aquoso. A composição é usada- PI 0313824-0 describes a topical composition comprising at least 5% by weight of metronidazole or a pharmacologically acceptable derivative thereof, in a non-aqueous vehicle. The composition is used
Petição 870180157516, de 30/11/2018, pág. 14/22Petition 870180157516, of 11/30/2018, p. 14/22
I 10 no tratamento de condições do cólon, reto, anorreto e região perianal, em particular doença inflamatória do intestino e doença de Crohn perianal. A composição também alivia a dor e inflamação e promove a cura do cólon, reto, anorreto e região perianal, em seguida a operações cirúrgicas. Uma vantagem da composição é que a administração tópica de metronidazol resulta em um efeito local primário e, assim, são evitados os efeitos colaterais observados pela administração sistêmica.I 10 in the treatment of conditions of the colon, rectum, anorectus and perianal region, in particular inflammatory bowel disease and perianal Crohn's disease. The composition also relieves pain and inflammation and promotes healing of the colon, rectum, anorectus and perianal region, following surgical operations. An advantage of the composition is that topical administration of metronidazole results in a primary local effect and, thus, side effects observed by systemic administration are avoided.
- O documento PI 0506557-7 trata do uso do metronidazol para a preparação de uma composição farmacêutica destinada ao tratamento de um distúrbio da vascularização cutânea.- PI 0506557-7 deals with the use of metronidazole for the preparation of a pharmaceutical composition for the treatment of a disorder of cutaneous vascularization.
- O documento PI 0901132-3 descreve um pó debridante e estimulante da cicatrização para úlcera de membros inferiores e escaras por decúbito. A patente de invenção refere-se a um pó para tratamento, principalmente, de úlceras dos membros inferiores (varicosas, venosas, escaras por decúbito e aquelas que apresentam circulação arterial presente em >50%, contra indicação absoluta em tumores alergia ao iodo relativas arteriais com circulação de < de 30%. Caracterizado por se tornar úmido rapidamente, favorece assim a estimulação da cicatrização, além de seu efeito debridante mecânico anti-séptico e bactericida.- Document PI 0901132-3 describes a debridement and healing stimulating powder for ulcers of the lower limbs and bedsores per decubitus. The invention patent refers to a powder for treating mainly lower limb ulcers (varicose, venous, bedsores per decubitus and those with arterial circulation present in> 50%, against absolute indication in relative arterial iodine allergy tumors with a circulation of <30%, characterized by becoming moist quickly, thus favoring the stimulation of healing, in addition to its mechanical antiseptic and bactericidal debridement effect.
- O documento PI 9706835-7, relata o preparo de um hidrogel de copolímero de uma metacrilamida ou acrilamida substituída em N, um agente de reticulação e um açúcar complexo ou derivado, um peptídeo de adesão ao tecido ou um conjugado de polímero com anticorpos, o polímero sendo heterogêneo, elasticamente deformável e tendo um teor de água de equilíbrio de pelo menos cerca de 80%. Pode ser usado para a regeneração de tecido e para a restauração dos órgãos, por exemplo, no sistema nervoso em desenvolvimento e adulto.- Document PI 9706835-7, reports the preparation of a N-substituted methacrylamide or acrylamide copolymer hydrogel, a cross-linking agent and a complex or derivative sugar, a tissue adhesion peptide or a polymer conjugate with antibodies, the polymer being heterogeneous, elastically deformable and having an equilibrium water content of at least about 80%. It can be used for tissue regeneration and organ restoration, for example, in the developing and adult nervous system.
- O documento PI 0401405-7 descreve o preparo de um composto- PI 0401405-7 describes the preparation of a compound
Petição 870180157516, de 30/11/2018, pág. 15/22Petition 870180157516, of 11/30/2018, p. 15/22
I 10 nutricional, de uso oral ou enteral, em pó instantâneo, composto pelos ingredientes maltodextrina, caseinato de cálcio, proteínas do soro do leite, triglicerídeos de cadeia média, I-arginina, óleo de girassol, óleo de canola, sais minerais (potássio, cloreto, fósforo, cálcio, sódio, magnésio, rnolibdênio, cromo, iodo, selênio, zinco, ferro, cobre), vitaminas (vitamina A, colina, ácido fólico, vitamina K1, vitamina C, biotina, niacinamida, vitamina E, vitamina D3, ácido pantotênico, vitamina B12, vitamina B6, riboflavina, tiamina), aroma natural e estabilizante lecitina de soja e o respectivo processo de industrialização.I 10 nutritional, oral or enteral use, instant powder, composed of the ingredients maltodextrin, calcium caseinate, whey proteins, medium chain triglycerides, I-arginine, sunflower oil, canola oil, mineral salts (potassium , chloride, phosphorus, calcium, sodium, magnesium, molybdenum, chromium, iodine, selenium, zinc, iron, copper), vitamins (vitamin A, choline, folic acid, vitamin K1, vitamin C, biotin, niacinamide, vitamin E, vitamin D3, pantothenic acid, vitamin B12, vitamin B6, riboflavin, thiamine), natural aroma and stabilizing soy lecithin and the respective industrialization process.
- O documento PI 0101286-0 descreve um colchão massageador contra escara. Trata-se de um sistema de massagem feito com bolinhas de borracha ou isopor. O sistema propriamente dito é composto de um aparelho elétrico dentro de um colchão, colchão esse em madeira na sua parte superior, uma camada de borracha, eixo com polias, motor elétrico, desenhados especificamente para atender as necessidades do projeto.- PI 0101286-0 describes a massage mattress against bed sores. It is a massage system made with rubber balls or Styrofoam. The system itself is composed of an electrical device inside a mattress, a wooden mattress on its upper part, a rubber layer, shaft with pulleys, an electric motor, designed specifically to meet the needs of the project.
- O documento PI 9504732-8 relata uma cama anti-escara que possui um conjunto com duas pernas suporte correspondente, conformando uma armação delimitada de uma padiola destinada a sustentar o paciente, que é caracterizado pela padiola constituída de painéis independentes e que, orientado transversalmente na padiola e numa disposição aproximadamente adjacente entre elas, são guiadas e com uma capacidade de distensão ascendente-descendente respeitando o plano de contentação da mesma padiola; de pelo menos dois conjuntos acionados independentes, que intercalados, alternam um com outro e que cada um é conectado a um conjunto excêntrico de alavancas rotativas projetada de pelo menos um eixo de roda de um dispositivo que se alterna angularmente, sendo disposto num conjunto de painéis em correspondência com- PI 9504732-8 reports an anti-bedsore bed that has a set with two corresponding support legs, forming a delimited frame of a stretcher designed to support the patient, which is characterized by the stretcher made up of independent panels and which, transversely oriented in the stretcher and in an approximately adjacent arrangement between them, they are guided and with an upward-downward distending capacity respecting the contentment plane of the same stretcher; of at least two independent driven sets, which intercalated, alternate with each other and that each is connected to an eccentric set of rotating levers projected from at least one wheel axis of an angularly alternating device, being arranged in a set of panels in correspondence with
Petição 870180157516, de 30/11/2018, pág. 16/22Petition 870180157516, of 11/30/2018, p. 16/22
I 10 diferentes disposições angulares que, no eixo de roda, tem um conjunto de alavancas no qual os ditos painéis são sustentados.I 10 different angular arrangements that, on the wheel axle, have a set of levers on which said panels are supported.
- O documento PI 9403328-5, descreve um aparelho ortopédico antiescara, composto por uma única peça, tem como objetivo evitar escaras e dar maior mobilidade e segurança ao paciente. O aparelho é constituído por protetores móveis anti-escaras, peça matamizada para ajudar na assepsia e lâminas de metal laterais com fitas de manobra e argolas para presilha e fitas de manobra e ganchos para fixação.- The document PI 9403328-5, describes an anti-mask orthopedic device, composed of a single piece, with the objective of avoiding bedsores and providing greater mobility and safety to the patient. The device consists of movable anti-bedsore protectors, mattised part to help with asepsis and lateral metal blades with maneuver tapes and loop clips and maneuver tapes and hooks for fixing.
- Os documentos 10 2016 024865-5 e PI 0504122-8 relatam um produto a base de visco elástico destinado à prevenção e tratamento de úlcera de pressão, apresentados na forma de almofada, colchão e manta interface.- Documents 10 2016 024865-5 and PI 0504122-8 report a product based on elastic visco for the prevention and treatment of pressure ulcers, presented in the form of a pillow, mattress and interface blanket.
- É possível observar que apenas quatro invenções relatam tratamento medicamentoso tópico: PI 0313824-0, PI 0506557-7, PI 0901132-3 e a PI 9706835-7. A primeira invenção descreve uma composição tópica contendo metronidazol para tratamento de dor e inflamação após processos cirúrgicos. Não está diretamente relacionada a úlceras de estase, mas também visa diminuição de lesões cutâneas assim como a dor associada. Nessa invenção apenas o uso do princípio ativo metronidazol é citado. Não há na composição o uso de outros antibióticos assim como componentes oclusivos, de consistência ou emolientes para favorecimento da cicatrização. O mesmo é observado no PI 0506557-7, onde apenas o princípio ativo metronidazol é citado para o tratamento de um distúrbio da vascularização cutânea. A invenção PI 0901132-3 descreve em sua composição agentes anti-sépticos e bactericidas além de agentes que tornam a úlcera úmida, favorecendo a cicatrização. No entanto, trata-se de um pó tópico. Não há na composição agentes de consistência, não há relatos de compostos hidrofóbicos- It is possible to observe that only four inventions report topical drug treatment: PI 0313824-0, PI 0506557-7, PI 0901132-3 and PI 9706835-7. The first invention describes a topical composition containing metronidazole for treating pain and inflammation after surgical procedures. It is not directly related to stasis ulcers, but it also aims at reducing skin lesions as well as the associated pain. In this invention only the use of the active ingredient metronidazole is mentioned. There is no use of other antibiotics in the composition as well as occlusive, consistency or emollient components to promote healing. The same is observed in PI 0506557-7, where only the active ingredient metronidazole is mentioned for the treatment of a disorder of cutaneous vascularization. The invention PI 0901132-3 describes in its composition antiseptic and bactericidal agents in addition to agents that make the ulcer moist, favoring healing. However, it is a topical powder. There are no consistency agents in the composition, there are no reports of hydrophobic compounds
Petição 870180157516, de 30/11/2018, pág. 17/22Petition 870180157516, of 11/30/2018, p. 17/22
I 10 capazes de ocluir a ferida e impedir saída de água e eletrólitos e proteger contra a entrada de agentes externos nem emolientes para auxiliar no processo de cicatrização. Já na invenção PI 9706835-7 não há ativos em sua composição que possam tratar possíveis infecções associadas. Trata-se de material inerte que possivelmente fará a oclusão de feridas de graus reduzidos, impedindo perda de líquidos e entrada de novos contaminantes. Em úlceras já formadas, no entanto, a eficácia possivelmente não ocorrerá pois já haverá infecção do local.I 10 able to occlude the wound and prevent water and electrolytes from escaping and protect against the entry of external agents or emollients to assist in the healing process. In the PI 9706835-7 invention, there are no active ingredients in its composition that can treat possible associated infections. It is an inert material that possibly will occlude wounds of reduced degrees, preventing loss of fluids and the entry of new contaminants. In ulcers already formed, however, the efficacy will possibly not occur as there will already be infection of the site.
- A invenção PI 0401405-7 descreve o preparo de suplemento alimentar. Sabe-se que a dieta é fator importante que auxilia na recuperação dos tecidos lesados, mas, de forma isolada, não trata a patologia. Segundo o Guia de Consulta Rápida para prevenção e Tratamento de Úlceras por Pressão (National Pressure Ulcer Advisory Panel, European Pressure Ulcer Advisory Panel and Pan Pacific Pressure Injury Alliance. Prevention and Treatment of Pressure Ulcers: Quick Reference Guide. Emily Haesler (Ed.). Cambridge Media: Osborne Park, Australia; 2014.) para além da dieta habitual, pode-se oferecer suplementos nutricionais de elevado teor calórico e proteico para adultos em risco nutricional e em risco de desenvolver úlceras por pressão caso as exigências nutricionais não sejam satisfeitas através da ingestão alimentar. Sendo assim, o suplemento alimentar atuaria como prevenção em casos de dietas pobres em nutrientes essenciais.- The invention PI 0401405-7 describes the preparation of a food supplement. It is known that the diet is an important factor that helps in the recovery of injured tissues, but, in isolation, it does not treat the pathology. According to the National Pressure Ulcer Advisory Panel, European Pressure Ulcer Advisory Panel and Pan Pacific Pressure Injury Alliance, Prevention and Treatment of Pressure Ulcers: Quick Reference Guide. Emily Haesler (Ed.) Cambridge Media: Osborne Park, Australia; 2014.) in addition to the usual diet, nutritional supplements with high calorie and protein content can be offered to adults at nutritional risk and at risk of developing pressure ulcers if nutritional requirements are not met through food intake. Thus, the food supplement would act as a prevention in cases of diets low in essential nutrients.
- As demais invenções encontradas relatam medidas físicas de prevenção de formação de escaras.- The other inventions found report physical measures to prevent the formation of bedsores.
- Formulações contendo mais do que um antibiótico conseguem atuar nos mais diversos espectros microbianos possivelmente presentes nas escaras. Além de conter esses antibióticos também é necessário formar uma barreira de- Formulations containing more than one antibiotic can act in the most diverse microbial spectra possibly present in bedsores. In addition to containing these antibiotics, it is also necessary to form a barrier to
Petição 870180157516, de 30/11/2018, pág. 18/22Petition 870180157516, of 11/30/2018, p. 18/22
I 10 forma ocluir a ferida, evitando perda de água e eletrólitos e mantendo os princípios ativos por mais tempo na escara, favorecendo sua cicatrização. Compostos emolientes também são requeridos para auxiliar na cicatrização.I 10 way to occlude the wound, avoiding loss of water and electrolytes and keeping the active ingredients in the eschar for longer, favoring its healing. Emollient compounds are also required to aid healing.
- Dessa forma, é objeto da presente invenção uma composição medicamentosa tópica para o tratamento de escaras e úlceras de estase com a associação sinérgica dos antibióticos neomicina, bacitracina, metronidazol, nistatina e benzilpenicilina; ao menos um agente de oclusão capaz de manter os ativos por mais tempo na ferida e evitando perda de água e eletrólitos e entrada de material estranho; e ao menos um emoliente, capaz de acelerar a cicatrização.Thus, the subject of the present invention is a topical drug composition for the treatment of stasis ulcers and ulcers with the synergistic association of the antibiotics neomycin, bacitracin, metronidazole, nystatin and benzylpenicillin; at least one occlusion agent capable of keeping the wound active longer and avoiding loss of water and electrolytes and the entry of foreign material; and at least one emollient, capable of accelerating healing.
Descrição Detalhada da InvençãoDetailed Description of the Invention
- A composição medicamentosa para o tratamento de escaras e úlceras de estase, objeto da presente patente de invenção, compreende um medicamento de uso tópico com a associação sinérgica dos princípios ativos nistatina na forma base ou seus sais, na concentração entre 5.000 a 15.000 Ullg, metronidazol, na forma base ou seus sais, na concentração entre 25 a 75 mglg, neomicina, na forma base ou seus sais, na concentração entre 0,25 a 0,75 mglg, bacitracina, na forma base ou seus sais, na concentração entre 15 a 45 Ullg elou benzilpenicilina benzatina, na concentração entre 5.000 a 15.000 Ulg. Contém ao menos um agente de oclusão, composto por substâncias lipofílicas, tanto de origem animal quando mineral, na concentração de 5 a 90%. Contém ao menos um emoliente, de origem sintética ou natural, na concentração de 2 a 50%.- The drug composition for the treatment of stasis ulcers and ulcers, object of the present invention patent, comprises a topical drug with the synergistic association of the active ingredients nystatin in base form or its salts, in the concentration between 5,000 to 15,000 Ullg, metronidazole, in the base form or its salts, in the concentration between 25 to 75 mglg, neomycin, in the base form or its salts, in the concentration between 0.25 to 0.75 mglg, bacitracin, in the base form or its salts, in the concentration between 15 to 45 Ullg or benzyl benzylpenicillin, at a concentration between 5,000 to 15,000 Ulg. It contains at least one occlusion agent, composed of lipophilic substances, both of animal and mineral origin, in a concentration of 5 to 90%. It contains at least one emollient, of synthetic or natural origin, in a concentration of 2 to 50%.
- Além destes compostos, visando viabilizar a obtenção de formas farmacêuticas de uso tópico, o medicamento contém excipientes inertes que incluem doadores de viscosidade, conservantes, estabilizantes, antioxidantes, diluentes (como a água, óleos, doadores de consistência (ceras, ácidos e álcoois- In addition to these compounds, aiming to obtain topical pharmaceutical forms, the drug contains inert excipients that include viscosity donors, preservatives, stabilizers, antioxidants, diluents (such as water, oils, consistency donors (waxes, acids and alcohols)
Petição 870180157516, de 30/11/2018, pág. 19/22Petition 870180157516, of 11/30/2018, p. 19/22
I 10 graxos, ésteres), tensoativos e conservantes.I 10 greases, esters), surfactants and preservatives.
- O agente de oclusão preferencialmente é a vaselina sólida elou líquida.- The occlusion agent is preferably solid or liquid petroleum jelly.
- O agente emoliente é selecionado entre o grupo dos silicones elou glicerina.- The emollient agent is selected from the group of silicones and / or glycerin.
Claims (6)
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