This is a phase I, single-center, placebo-controlled, double-blinded, dose escalation study of anti-botulinum toxin monoclonal antibodies in healthy adult volunteers. Volunteers will be hospitalized in the Johns Hopkins Phase 1 unit during the infusion and until after the 24-hour blood draw. Three escalating dose cohorts of a combination of three anti-botulinum monoclonal antibodies will be evaluated. Each cohort will consist of eight volunteers in which they will receive a single intravenous infusion of active drug or placebo. Placebo will be normal saline. Volunteers will be followed for safety for up to 120 days after infusion depending on dose cohort.
Age range
18 Years – 45 Years
Sex
ALL
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Safety and tolerability of XOMA 3AB: occurrence of adverse events and serious adverse events.
Timeframe: Day 0 to Day 90 and to Day 120 (depending on dose cohort).
Safety and tolerability of XOMA 3AB: Changes from baseline in vital signs, physical examinations, chemistry and complete blood count with differential laboratory studies, dipstick urinalysis, and electrocardiograms.
Timeframe: Day 0, 1, 2, 3, 7, 14, 28, 42, 56, Day 90 and to 120 days (depending on dose cohort).