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Semelil (ANGIPARS™), a novel herbal-based compound containing extract of Melilotus officinalis, was formulated for treatment of chronic wounds, especially diabetic foot ulcer. The purpose of this study was to investigate safety and toxicity effects of intramuscular administration of Semelil in dogs. Preliminary one-month study with Semelil was performed on 8 male and female dogs divided into 2 groups, test and control four animals each. Semelil was administered intramuscularlyat a dose of 0.07 ml/kg body wt. once a day to the animals of the test group, while the control group received sterile saline. During experiments, general state of the animals including the dynamics of body weight changes, appetite, motor activity and behavior, hair condition, ECG parameters, rectal temperature of animals and data of hematological and biochemical tests were monitored for signs of toxicity and side-effects. Finally, morphology and histology analyses were performed using standard methods. No adverse health or toxicity effects were observed through the course of the study. No damaging consequences of Semelil injections on the functional state of main organs of the experimental animals were found. This observation gave a good evidence of a favorable safety profile compatible with potential therapeutic use of Semelil. [ABSTRACT FROM AUTHOR]

Semelil (ANGIPARS™), an herbal formulation containing Melilotus officinalis extract, is a novel compound being developed for treatment of chronic wounds, particularly diabetic foot ulcers. The purpose of this study was to investigate toxicological, pharmacological, and pathomorphological effects of I.M. and I.P. administration of Semelil in animals. The acute toxicity parameters of Semelil diluted in normal saline (l:10 or 1:5) were determined after a single injection into BALB/c mice and Wistar rats in two steps. First, the LD50 was approximately assessed and then the precise lethal dose indices were estimated by the probit-analysis method. Specific single-dose effects of Semelil were monitored for clinical signs of toxicity, including general state of the animals, changes in their behavior, hematological and biochemical parameters for 14 days after drug administration. Then, subacute-chronic toxicity was evaluated in rats treated with Semelil for 3 months. In acute toxicity study, the calculated LD50 for drug diluted at 1:5 was in the range of 44-52 ml/kg. The adverse effects at drug doses close to the LD50 included depressed mood, narcosis, and sleep. No adverse pharmacological or toxicological effects of the drug diluted at I:10 and administered in the single-dose (25-50 ml/kg body wt.) or chronically (daily doses of 0.07 and 0.21 ml/kg body wt.) were noted. Thus, the animal studies demonstrated a favorable safety profile for the phytotherapeutic Semelil. [ABSTRACT FROM AUTHOR]