A Phase I and Pharmacokinetic Study of Col-3 (Metastat), an Oral Tetracycline Derivative with Potent Matrix Metalloproteinase and Antitumor Properties

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Abstract
Purpose: The purpose of this research was to assess the feasibility of administering Col-3, an oral chemically modified tetracycline derivative with potent inhibitory effects on matrix metalloproteinase activity and production, and recommend a dose on an uninterrupted once-daily schedule. The study also sought to characterize the pharmacokinetic behavior of Col-3 and seek evidence of anticancer activity.