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[M26-058]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

[M26-058]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

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2071250150
Enrollment
8
Registered
2026-03-26
Start date
2026-04-27
Completion date
Unknown
Last updated
2026-06-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Undecided at this time

Interventions

Participants will be administered one dose of ABBV-547 or placebo.

Sponsors

Otani Tetsuya
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - A condition of general good health, based upon the results of a medical history, physical examination, vital signs, laboratory profile and a 12-lead electrocardiogram (ECG). - Part 2: must have discontinued use of phototherapy (e.g., UVA or UVB) at least 2 weeks prior to the baseline visit (Day 1) and PUVA phototherapy at least 4 weeks prior to the baseline visit (Day 1).

Exclusion criteria

Exclusion criteria: - History of any clinically significant sensitivity or allergy to any medication or food. - Part 2: uses any herbal supplements within the 2-week period prior to study treatment administration. - Part 2: received any biologics including investigational agents within 2.5 half-lives prior to Baseline.

Design outcomes

Primary

MeasureTime frame
Number of Participants with Adverse Events (AEs) [Time Frame: Up to Approximately Day 365]

Countries

Japan, United States

Contacts

Public Contactand HCP Contact for Patients

AbbVie. G.K.

AbbVie_JPN_info_clingov@abbvie.com+81-120-587-874

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jun 11, 2026