A Study to Evaluate How the Study Drug Moves Through the Body, Adverse Events, and How the Body Tolerates ABBV-547 Injections
A First-in-Human, Phase 1a/b, Single-Dose Study of ABBV-547 to Evaluate the Pharmacokinetics, Immunogenicity, Safety, and Tolerability in Adult Participants and Efficacy in Adult Participants
AbbVie
121 participants
Nov 24, 2025
INTERVENTIONAL
Conditions
Summary
The purpose of this study is to assess how safe, effective, and tolerable ABBV-547 is in adult participants in the United States and Japan. There will be 2 parts to this study. In Part 1, participants are placed in one of 7 groups where they will receive ABBV-547 at different doses or placebo. There is a 1 in 4 chance participants will receive placebo. In Part 2, participants are placed in one of 3 groups where they will receive ABBV-547 at different doses or placebo. There is a 1 in 7 chance participants will receive placebo. Approximately 121 adult participants will be enrolled at approximately 21 sites in the United States and Japan. Participants will be administered one dose of ABBV-547 or placebo. There may be higher treatment burden for participants in this trial compared to their standard of care. Participants will attend regular visits during the study at a hospital or clinic. The effect of the treatment will be checked by medical assessments, blood tests, checking for side effects and completing questionnaires.
Eligibility
Plain Language Summary
Simplified for easier understanding
This summary was AI-generated to explain the trial in plain language. It is not medical advice. Always discuss eligibility with your doctor before enrolling in a clinical trial.
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Interventions
Parental Administration
Parental Administration
Locations(23)
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NCT07232004