Clinical trial · Interventional
Phase 1, Safety and Tolerability Study of XmAb541 and XmAb808 in Advanced Solid Tumors
A Phase 1 Trial, Evaluating the Safety and Tolerability of XmAb541 in Combination With XmAb808 in Advanced Solid Tumors
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
The primary purpose of this study is to determine whether the combination of the investigational drug XmAb541 in combination with the investigational drug XmAb808 is safe and well tolerated, and to determine an optimal and safe dose(s) for further study. The study will also evaluate the effect of XmAb541 in combination with XmAb808 on participants' tumor outcomes.
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Ovarian Cancer | Malignant Ovarian Neoplasm | CURATED_EXACT | 0.92 |
Interventions
Interventions (2)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| XmAb541 | Biological | — | UNRESOLVED |
| XmAb808 | Biological | — | UNRESOLVED |
Design
Arms and outcomes
Arms (1)
- type
- EXPERIMENTAL
- label
- Dose Escalation and Dose Expansion of XmAb541 and XmAb808
- interventionNames
- Biological: XmAb541
- Biological: XmAb808
Primary outcomes (2)
- measure
- Incidence of Adverse Events
- timeFrame
- Day 1 to 2 years
- measure
- Incidence of dose-limiting toxicities
- timeFrame
- Day 1 to Day 43
Secondary outcomes (5)
- measure
- Measurement of Cmax
- timeFrame
- Day 1 - 2 years
Eligibility
Eligibility (as posted)
- Sex
- Female
- Minimum age
- 18 Years
Show eligibility criteria text
Inclusion Criteria: * Age ≥ 18 years. * CLDN6+ tumor * Histological or cytological documentation of locally advanced, recurrent, or metastatic high grade serous ovarian carcinoma (HGSOC) including fallopian tube or primary peritoneal origin * Adequate Eastern Cooperative Oncology Group performance status * Life expectancy ≥ 3 months * Adequate organ function Exclusion Criteria: * Prior exposure to a CLDN6 targeting immune cell engager * Patients with treated brain metastases may participate, provided they are radiologically stable. * Active known or suspected autoimmune disease * Have any condition requiring systemic treatment with corticosteroids, prednisone equivalents, or other immunosuppressive medications within 14 days prior to first dose of study drug * Clinically significant cardiovascular, pulmonary or gastrointestinal disease * Active viral hepatitis B or hepatitis C
References
Publications (0)
Data not yet available