Prostaglandin compositions and methods of treatment for male erectile dysfunction

   
   

The invention provides methods of treating erectile dysfunction comprising the step of placing within the fossa navicularis of the patient an effective erection-inducing amount of a prostaglandin E.sub.1 composition of a semi-solid consistency, as well as suitable applicators. The composition comprises prostaglandin E.sub.1, a penetration enhancer, a polysaccharide gum, a lipophilic compound, and an acidic buffer system. The penetration enhancer is an alkyl-2-(N,N-disubstituted amino)-alkanoate ester, an (N,N-disubstituted amino)-alkanol alkanoate, or a mixture of these. The lipophilic compound may be an aliphatic C.sub.1 to C.sub.8 alcohol, aliphatic C.sub.2 to C.sub.30 ester, an aliphatic C.sub.8 to C.sub.30 ester, or a mixture of these. The composition includes a buffer system capable of providing a buffered pH value for said composition in the range of about 3 to about 7.4.

A invenção fornece métodos de tratar o dysfunction erectile que compreende a etapa de colocar dentro dos navicularis da fossa do paciente um uma quantidade deindução eficaz de uma composição do prostaglandin E.sub.1 de uma consistência semi-solid, as.well.as aplicadores apropriados. A composição compreende o prostaglandin E.sub.1, um enhancer da penetração, um gum do polysaccharide, um composto lipophilic, e um sistema acidic do amortecedor. O enhancer da penetração é um alkyl-2-(N, ester N-n-disubstituted do amino)-alkanoate, (N, alkanoate N-n-disubstituted do amino)-amino)-alkanol, ou uma mistura destes. O composto lipophilic pode ser um C.sub.1 aliphatic ao álcool C.sub.8, a C.sub.2 aliphatic ao ester C.sub.30, a um C.sub.8 aliphatic ao ester C.sub.30, ou a uma mistura destes. A composição inclui um sistema do amortecedor capaz de fornecer um valor de pH protegido para composição dita na escala de aproximadamente 3 a aproximadamente 7.4.

 
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