Single Ascending Dose Study of HB2198 in Healthy Participants

Trial statusRecruiting
Trial phasePhase 1
Trial typeInterventional
Biological sexAll
AgeUp to 55
SponsorHinge Bio

About this trial

Phase 1, single center, randomized, double blind, placebo controlled SAD study assessing safety, tolerability, PK, PD, and immunogenicity of HB2198 after a single IV infusion in healthy adults. Four dose levels will be explored with sentinel participants per cohort. Approximately 32 participants (6 HB2198:2 placebo per cohort) will be followed for \~2 months, with extended follow up if B-cell counts remain suppressed.

Eligibility criteria

Qualifiers

18-55 years; Healthy Adults

IgG ≥ 600 mg/dL

Peripheral B cell count within lab normal range

Negative pregnancy test (WOCBP) and protocol specified contraception

Disqualifiers

Clinically significant disease that could affect safety or data

Hypogammaglobulinemia; active/recent significant infection

Chronic antivirals/antimicrobials

Recent major surgery; live vaccine <30 days (inactivated ≥14 days before Day 1 recommended)

Trial design

Treatments tested in this trial

  • HB2198, a Tetravalent Bispecific Anti-CD19/CD20 Antibody with Dual Fc Domains
  • Placebo comparator: HB2198 Diluent

Treatment groups

32 Participants
are divided into 2 treatment groups

Sponsors and collaborators