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The Safety and Efficacy of Ondansetron in Reducing Immune Checkpoint Inhibitor-Related Toxicities

Safety and Efficacy of Ondansetron in Reducing Immune Checkpoint Inhibitor-Related Toxicities in Hepatocellular Carcinoma: A Single-Center Randomized Controlled Trial

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600118858
Enrollment
Unknown
Registered
2026-02-11
Start date
2026-03-01
Completion date
Unknown
Last updated
2026-02-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hepatocellular carcinoma

Interventions

Trial Group:Ondansetron 8mg/qd oral, combined with standard ICI treatment regimen (Lenvatinib + Tislelizumab or Lenvatinib + Pembrolizumab or Atezolizumab + Bevacizumab)
Control Group:Standard ICI treatment regimen (Lenvatinib + Tislelizumab or Lenvatinib + Pembrolizumab or Atezolizumab + Bevacizumab), without Ondansetron

Sponsors

The First Affiliated Hospital of Wenzhou Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Age range: 18 years old - 80 years old, both genders are eligible; 2. Diagnosed with hepatocellular carcinoma through imaging or pathological examination; 3. Plan to undergo standard treatment for liver cancer: lenvatinib + tislelizumab or lenvatinib + pembrolizumab or atezolizumab + bevacizumab; 4. ECOG score: 0 - 2; 5. Expected survival period: >= 12 weeks; 6. Baseline blood cell count tests and blood biochemical tests must meet the following standards: (1) White blood cell count >= 3.0×10^9/L; (2) Hemoglobin >= 90 g/L; (3) Absolute neutrophil count >= 1.5×10^9/L; (4) Platelet count >= 100×10^9/L; (5) Alanine aminotransferase (ALT), aspartate aminotransferase (AST) = 30 g/L; 7. Participants voluntarily join this study, sign the informed consent form, have good compliance, and cooperate with follow-up.

Exclusion criteria

Exclusion criteria: 1. Those who have used ondansetron or other 5-HT3 receptor antagonists within 14 days; 2. Patients with immune diseases; 3. Those who have used systemic glucocorticoids or other immunosuppressants within 14 days; 4. Those who have discontinued ICI treatment due to irAEs in the past; 5. Patients with severe liver dysfunction (Child-Pugh C grade); 6. Those with ondansetron contraindications such as serotonin syndrome or phenylketonuria; 7. Patients who are allergic to ondansetron; 8. Those who are using drugs that may have severe interactions with ondansetron, such as apomorphine; 9. Patients who, according to the investigator's assessment, cannot or are unwilling to comply with the requirements of the study protocol.

Design outcomes

Secondary

MeasureTime frame
Tumor response rate (ORR, DCR);

Primary

MeasureTime frame
Incidence and severity of immune-related adverse events;

Countries

China

Contacts

Public ContactChen Gang

The First Affiliated Hospital of Wenzhou Medical University

cg_2188@126.com+86 13616619566

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 19, 2026