[Clinical and experimental study on an anti-inflammatory preparation of topical use. The 10-undecentil-l-ll pseudothiourea (AHR-1911)].

Our previous studies led to the development of a drug, 10-undecen-1- pseudothiourea iodide (AHR-1911), with the characteristics of a broad spectrum of antibacterial-antimycotic action and anti-inflammatory properties in experimental lesions induced by burns, dextran, albumin, carrageenin and kaolin. Using different vehicles for topical use, these two types of therapeutic property were separated, yielding two pharmaceutical preparations with different indications. One is a 0,25% AHR-1911 preparation in a polyoxyethyleneglycol base, which in in vivo experiments has the antimicrobial efficacy of gentamycin ointment; the other, containing 10% AHR-1911 in a vanishing cream base with triethanolamine stearate, possesses the anti-inflammatory efficacy of the newer topical steroid preparations. The clinical data for this latter preparation agree with the experimental findings. Its activity in clinical conditions was found first by Di Prisco in dermatological cases and confirmed in contact dermatitis patients by Riobueno. Its usefulness in burns and contusions with excoriations, without a single instance of secondary infection was reported by Rojas Mratínez; its effectiveness in bursitis and tenosynovitis may extend its field of application beyond that of dermatology. Particularly impressive were the good results obtained in insect bites, due possibly to the antihistaminic effect of the drug acting synergistically with the anti-inflammatory one. In the experience of all the clinicians the preparation was very well tolerated.