Analyze the sentiment of this statement extracted from a financial news article. Provide your answer as either negative, positive, or neutral.
Text: The antibody , given at repeated doses of up to 8 mg-kg , was generally well tolerated , and the pharmacokinetic characteristics of BTT-1023 in psoriasis patients were consistent with those observed in a previously completed study in rheumatoid arthritis RA patients .
Answer:
positive