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TRAnscatheter Arterial Chemoembolization in combination with TIslelizumab plus LeNvatinib versus Systemic Cisplatin plus GemcitaBine in cOmbination With Tislelizumab for Unresectable Intrahepatic Cholangiocarcinoma: A Phase III, Multicenter, Randomized Controlled Trial (RAINBOW)

TRAnscatheter Arterial Chemoembolization in combination with TIslelizumab plus LeNvatinib versus Systemic Cisplatin plus GemcitaBine in cOmbination With Tislelizumab for Unresectable Intrahepatic Cholangiocarcinoma: A Phase III, Multicenter, Randomized Controlled Trial (RAINBOW)

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600124683
Enrollment
Unknown
Registered
2026-05-15
Start date
2026-05-29
Completion date
Unknown
Last updated
2026-05-18

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

Conditions

Unresectable intrahepatic cholangiocarcinoma (ICC)

Interventions

Treatment Group:Transcatheter arterial chemoembolization combined with tislelizumab and lenvatinib
Control Group:Cisplatin and gemcitabine combined with tislelizumab

Sponsors

Zhejiang Cancer Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Age >= 18 years; 2.Histopathological diagnosis of intrahepatic cholangiocarcinoma, unsuitable for radical surgery or recurrent after radical treatment, and without extrahepatic metastasis; 3.No prior systemic or transarterial interventional therapy related to intrahepatic cholangiocarcinoma; 4.At least one measurable lesion in the liver according to RECIST 1.1 criteria; 5.ECOG score 0-1; 6.Child-Pugh classification A; 7.Life expectancy >= 3 months; 8.Blood, liver, and kidney function (within 14 days prior to study start) meet the following criteria: a) Neutrophil count >=1.5 × 10^9/L; b) Platelet count >= 75 × 10^9/L; c) Hemoglobin concentration >= 90 g/L; d) Serum albumin concentration >= 30 g/L; e) Bilirubin =60 mL/min.

Exclusion criteria

Exclusion criteria: 1.Diffuse infiltrative liver disease; 2.Contraindications to TACE treatment exist; 3.Patients allergic to intravenous contrast agents; 4.Pregnant or lactating women, or subjects planning to undergo contraceptive procedures within 2 years; 5.Patients with co-infection of HIV and syphilis; 6.Patients with other concurrent malignant tumors or a history of other malignant tumors within 5 years prior to enrollment; 7.Patients receiving allogeneic organ transplantation; 8.Patients with severe dysfunction of the heart, kidneys, and other organs; 9.Severe clinically active infection > Grade 2 (NCI-CTCAE v5.0); 10.Patients with psychiatric disorders that may affect the informed consent process; patients unable to take oral medications; patients who participated in other drug clinical trials within 12 months prior to enrollment.

Design outcomes

Primary

MeasureTime frame
Overall survival ;

Secondary

MeasureTime frame
Objective response rate;Time to tumor progression;Progression-free survival period;Safety;Quality of Life Assessment;Disease control rate, DCR;

Countries

China

Contacts

Public ContactTeng Gaojun

Zhejiang Cancer Hospital

gjteng@seu.edu.cn+86 25 83272121

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 22, 2026