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A Study of T-DXd for the Treatment of Solid Tumors Harboring HER2 Activating Mutations

Phase 2
Conditions
Advanced Solid Tumors With HER2
Registration Number
JPRN-jRCT2031210132
Lead Sponsor
Inoguchi Akihiro
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
ot Recruiting
Sex
All
Target Recruitment
100
Inclusion Criteria

Adults >=18 years old. Other age restrictions may apply as per local regulations.
- Unresectable and/or metastatic solid tumors with pre-specified HER2 mutations locally determined by NGS, who have progressed following prior treatment or who have no satisfactory alternative treatment options.
- Prior HER2 targeted therapy is permitted.
- All patients must provide an FFPE tumor sample for retrospective central HER2 testing.
- LVEF >=50%
- ECOG 0-1

Exclusion Criteria

- HER2 overexpressing (IHC3+ or IHC2+/ISH+) breast, gastric or gastroesophageal junction adenocarcinoma.
- HER2 mutant NSCLC.
- History of non-infectious pneumonitis/ILD, current ILD, or where suspected ILD cannot be ruled out by imaging at screening
- Lung-specific intercurrent clinically significant severe illnesses.
- History of active primary immunodeficiency, known HIV, active HBV or HCV infection
- Uncontrolled infection requiring intravenous (IV) antibiotics, antivirals, or antifungals
- Pleural effusion, ascites or pericardial effusion that requires drainage, peritoneal shunt, or Cell-free and Concentrated Ascites Reinfusion Therapy (CART).
- Has spinal cord compression or clinically active central nervous system metastases.

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Confirmed objective response rate by RECIST 1.1 based on independent central review (ICR). [ Time Frame: An average of approximately 12 months. ]<br>Confirmed ORR per RECIST 1.1 is the percentage of patients with Complete Response or Partial Response that is subsequently confirmed, based on ICR.
Secondary Outcome Measures
NameTimeMethod
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