Status:

RECRUITING

Phase II RAINSPOT: Zolbetuximab-Paclitaxel-Ramucirumab for CLDN18.2 Positive Gastro-esophageal Cancer

Lead Sponsor:

Universitaire Ziekenhuizen KU Leuven

Conditions:

Gastric Cancer Adenocarcinoma Metastatic

Gastric Adenocarcinoma and Gastroesophageal Junction Adenocarcinoma

Eligibility:

All Genders

18+ years

Phase:

PHASE2

Brief Summary

This study examines whether adding the drug Zolbetuximab to an existing treatment (Paclitaxel and Ramucirumab) can improve patients' survival. The goal is to see if this combination works better for p...

Eligibility Criteria

Inclusion

  • At least 18 years of age at the time of ICF
  • WHO performance status 0 - 1
  • Histologically proven metastatic gastroesophageal adenocarcinoma
  • Pretreatment with one 1st line therapy according to SOC (+/- immunotherapy)
  • If relapse while adjuvant (immune/chemo) therapy or within 6 months ending adjuvant therapy the adjuvant therapy is considered a first line therapy
  • CLDN18.2-positive (defined as ≥75% of tumour cells showing moderate-to-strong membranous CLDN18.2 staining, as determined by immunohistochemistry using the VENTANA CLDN18 \[43-14A\] RxDx Assay.
  • Any PDL1 score
  • Use of highly effective methods of birth control
  • Voluntary written informed consent of the participant or their legally authorized representative has been obtained prior to any screening procedures.

Exclusion

  • \- 1. Metastatic squamous cell cancer of the esophagus 2. Absolute contra-indication for anti-VEGF inhibitors (tumor perforation, active proteinuria, recent stroke, myocardial infarction, acute arterial thrombosis, active wound problem) 3. Other active malignancy 4. Pretreatment with Zolbetuximab or other anti-CLDN18.2 direct therapy in first line setting once available.
  • 5\. Known hypersensitivity to the active substance Zolbetuximab or to any of the excipients \[(Arginine, Phosphoric acid (E 338), Sucrose, Polysorbate 80 (E 433)\] 6. Female who is pregnant, breast-feeding or intends to become pregnant or is of child-bearing potential and not using an adequate, highly effective contraceptive 7. Participation in another interventional Trial with an investigational medicinal product (IMP) or device

Key Trial Info

Start Date :

December 11 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

August 30 2030

Estimated Enrollment :

100 Patients enrolled

Trial Details

Trial ID

NCT06962137

Start Date

December 11 2025

End Date

August 30 2030

Last Update

December 22 2025

Active Locations (6)

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Page 1 of 2 (6 locations)

1

UZA

Antwerp, Belgium

2

Cliniques Universitaires Saint-Luc Brussels

Brussels, Belgium

3

HUB

Brussels, Belgium

4

UZ Gent

Ghent, Belgium