# A Phase 1b Open-label Study to Evaluate Safety of Plamotamab in Participants With Rheumatoid Arthritis

> **NCT07230353** · PHASE1 · RECRUITING · sponsor: **Xencor, Inc.** · enrollment: 68 (estimated)

## Conditions studied

- Rheumatoid Arthritis

## Interventions

- **BIOLOGICAL:** Plamotamab

## Key facts

- **NCT ID:** NCT07230353
- **Lead sponsor:** Xencor, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2025-10-21
- **Primary completion:** 2028-06
- **Final completion:** 2028-06
- **Target enrollment:** 68 (ESTIMATED)
- **Last updated:** 2026-04-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07230353

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07230353, "A Phase 1b Open-label Study to Evaluate Safety of Plamotamab in Participants With Rheumatoid Arthritis". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT07230353. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*