Xencor, Inc.
The Phase 1 study described herein will evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of XmAb942 in healthy volunteers (Parts A and B). Part C of this study will be a Phase 2 study to evaluate XmAb942 in participants with ulcerative colitis (UC).
This study consists of 3 parts, as follows: Part A: Single ascending dose (SAD) in healthy volunteer participants, will entail administration of XmAb942 or matching placebo at 3 different dose levels of XmAb942. Part B: Multiple ascending dosing for up to 3 doses, will entail administration of XmAb942 or matching placebo at 2 different dose levels of XmAb942. Part C: Participants with moderately to severely active UC to receive 3 different dose levels of XmAb942 or placebo during a 12-week induction period and single dose level of XmAb942 during a 40-week maintenance period, followed by a 3…
Inclusion Criteria: Parts A and B * Age 18-55 * Must be in good health with no significant medical history * Clinical laboratory values within normal range * BMI 18-35 (inclusive) * Contraceptive use by men or women consistent with local regulations * Able and willing to provide written informed consent Part C * Age 18-75 * Must be in good health with no significant medical history * UC diagnosis ≥ 3 months prior to screening * Diagnosis of moderately to severely active UC as defined by a (MMS) ≥ 5, with a MES ≥ 2 and RBS ≥ 1 * Evidence of UC extending ≥ 15 cm from the anal verge, as deter…
Antibody
Placebo