Minocycline to Improve Neurologic Outcome (MINO Clinical Trial)

Project: Research project

Project Details


DESCRIPTION (provided by applicant): Minocycline is a safe and well-tolerated antibiotic with excellent blood-brain barrier penetration. Recent evidence demonstrates that minocycline is a promising neuroprotective agent and is effective in animal models of global and focal ischemia. Minocycline has anti-inflammatory and anti-apoptotic effects and also inhibits the matrix metalloproteinases. Moreover, minocycline is neuroprotective in a rodent model of temporary focal ischemia at serum concentrations that are likely to be achievable in humans. Minocycline is presently in clinical trial in Parkinson's disease, amyotrophic lateral sclerosis, Huntington's disease, and multiple sclerosis. This proposal is a phase Ib/lla clinical trial of minocycline in acute ischemic stroke. The central hypothesis is that minocycline will be safe and tolerable in acute ischemic stroke patients when administered in a dose, route, and time window associated with neuroprotection in animal models. We plan to test our central hypothesis and accomplish the overall objective of this application by performing a dose-finding study using an open label, non-randomized, dose escalation design with a novel statistical method for stroke trials, the modified continual reassessment method. The specific aims are: 1.) Determine the maximally tolerated dose (MTD) of intravenous minocycline in patients with acute ischemic stroke. 2.) Determine the pharmacokinetics of minocycline in patients with ischemic stroke 3.) Determine the effect of different doses of minocycline on plasma MMP-9 activity 4.) Gather preliminary data of the effect of different doses of minocycline on functional outcome This proposal will generate data that is critical to the development of a later phase ll/lll study of minocycline in acute ischemic stroke. There is a desperate need for a safe and effective neuroprotective agent that could be given to a diverse group of stroke patients. Since it is a safe drug and may also have activity against intracerebral hemorrhage, minocycline has excellent potential to become a "field drug", administered by ambulance crews and in rural hospitals.
StatusNot started


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