Status:

ACTIVE_NOT_RECRUITING

A Phase II, Single-Arm, Prospective Trial on the Efficacy and Safety of QL1706 Combination Regimen as Second-Line Therapy for Targeted-Immunotherapy-Resistant Hepatocellular Carcinoma

Lead Sponsor:

Sun Yat-sen University

Collaborating Sponsors:

Qilu Pharmaceutical Co., Ltd.

Conditions:

Hepatocellular Carcinoma (HCC)

Second Line Treatment

Eligibility:

All Genders

18-65 years

Phase:

PHASE2

Brief Summary

The goal of this prospective Phase II clinical trial is to evaluate the efficacy and safety of QL1706-based combination therapy in patients with hepatocellular carcinoma (HCC) who have failed prior ta...

Eligibility Criteria

Inclusion

  • Voluntary Participation, Willingly signs the written informed consent form.
  • Aged 18-65 years (inclusive), any gender.
  • Histologically, cytologically, or clinically confirmed hepatocellular carcinoma (HCC) with disease progression after first-line targeted therapy combined with immunotherapy, or intolerable to first-line targeted-immunotherapy combination treatment.
  • No prior exposure to VEGF monoclonal antibodies, CTLA-4 inhibitors, or bispecific antibodies. For arm 1: No prior treatment with oxaliplatin or fluorouracil-based drugs.
  • Liver Function: Child-Pugh class A or class B (score ≤7), with no history of hepatic encephalopathy.
  • Performance Status: ECOG PS score 0 or 1.
  • Life Expectancy ≥12 weeks.
  • Measurable Lesion: ≥1 measurable target lesion per RECIST v1.1 (not previously irradiated/localized; lesions in prior treatment areas are acceptable if progression is confirmed).
  • Preserved organ \& bone marrow function (within 7 days before treatment; no blood products/growth factors within 14 days prior):
  • Neutrophil count (ANC) ≥1.5×10⁹/L
  • Platelets ≥75×10⁹/L
  • Hemoglobin ≥90 g/L
  • Albumin ≥28 g/L
  • ALT/AST/Alkaline phosphatase (AKP) ≤3×ULN
  • Total bilirubin (TBIL) ≤2×ULN
  • INR ≤2 or PT prolongation ≤6 sec above ULN
  • Urine protein \<2+ (if ≥2+, 24-hour urine protein must be \<1.0 g).
  • Viral Hepatitis Management
  • If HBsAg-positive: HBV DNA \<2000 IU/mL or 10⁴ copies/mL, with ongoing antiviral therapy (entecavir/tenofovir disoproxil fumarate/tenofovir alafenamide/emtecavir).
  • HCV-infected patients with undetectable HCV RNA are considered HCV-negative.
  • Contraception
  • Fertile participants (male/female) must use reliable contraception (hormonal/barrier/abstinence) during and for ≥180 days post-treatment.
  • Women of childbearing potential must have a negative serum pregnancy test within 7 days before enrollment.

Exclusion

  • Histologically/cytologically confirmed fibrolamellar HCC, sarcomatoid HCC, cholangiocarcinoma, or mixed hepatocellular-cholangiocarcinoma.
  • Other active malignancies within 5 years prior to enrollment, except cured localized tumors (e.g., basal cell carcinoma, squamous cell skin cancer, superficial bladder cancer, in situ prostate/cervical/breast cancer).
  • History of or planned liver transplantation.
  • Clinically significant ascites requiring therapeutic paracentesis, uncontrolled pleural/pericardial effusion (asymptomatic minimal ascites on imaging allowed).
  • Known CNS metastases or leptomeningeal disease.
  • Tumor thrombus involving both main portal vein and superior mesenteric vein, or portal vein and inferior vena cava.
  • High-risk variceal bleeding:
  • Esophageal/gastric variceal bleeding within 6 months
  • High-grade varices on endoscopy within 3 months
  • Portal hypertension with bleeding risk (splenomegaly, active ulcers, occult blood+, or endoscopic "red signs").
  • Life-threatening hemorrhage within 3 months requiring transfusion/surgery/medical intervention.
  • Significant bleeding risk:
  • Hemoptysis/tumor bleeding within 2 weeks
  • Thromboembolism within 6 months
  • Therapeutic anticoagulation (except prophylactic LMWH) within 2 weeks
  • Antiplatelet therapy (aspirin \>325 mg/day, clopidogrel \>75 mg/day) within 10 days
  • Tumor invasion of major vessels/airways/mediastinum.
  • Severe cardiovascular disease:
  • Significant arrhythmias (requiring intervention), QTcF ≥450 ms (M)/470 ms (F)
  • ACS/heart failure/stroke/TIA within 6 months
  • NYHA class ≥II or LVEF \<50%
  • Uncontrolled hypertension (≥160/100 mmHg despite ≥2 agents).
  • Abdominal fistula/GI perforation/abscess within 6 months.
  • Bowel obstruction/clinical signs of GI obstruction within 6 months.
  • Non-healing wounds, active ulcers, or untreated fractures.
  • Active autoimmune diseases or history of autoimmune diseases with potential recurrence (including but not limited to: autoimmune hepatitis, interstitial pneumonia, uveitis, enteritis, hypophysitis, vasculitis, nephritis, hyperthyroidism, hypothyroidism \[patients with hypothyroidism controlled by hormone replacement therapy alone are not excluded\]). Note: Patients with non-systemic skin conditions (e.g., vitiligo, psoriasis, alopecia), well-controlled type 1 diabetes on insulin, or childhood asthma with complete remission in adulthood requiring no intervention may be enrolled. Asthma patients requiring bronchodilator therapy are excluded.
  • Immunosuppressants (\>10 mg/day prednisone equivalent) within 2 weeks.
  • Severe hypersensitivity to monoclonal antibodies.
  • Hepatic encephalopathy or CNS metastases.
  • Organ transplant history.
  • Symptomatic ascites requiring drainage within 3 months.
  • Uncontrolled hypertension (≥140/90 mmHg despite treatment).
  • Arterial/venous thrombosis within 6 months (stroke, DVT, PE).
  • Bleeding/thrombotic disorders (hemophilia, coagulopathy, thrombocytopenia).
  • Proteinuria ≥++ with 24-h urine protein \>1.0 g.
  • Active infection (fever ≥38.5°C within 7 days or WBC \>15×10⁹/L).
  • Interstitial lung disease (current or steroid-requiring history).
  • Active tuberculosis (confirmed by imaging/sputum/clinical assessment).
  • Immunodeficiency (HIV/syphilis).
  • Severe infection within 4 weeks (hospitalization required) or antibiotics within 2 weeks (prophylaxis allowed).
  • Recent treatments:
  • Liver surgery/HCC locoregional therapy within 4 weeks
  • Palliative bone radiotherapy within 2 weeks
  • Anti-HCC herbal medicine within 2 weeks
  • Unresolved toxicities (\>Grade 1 per CTCAE v5.0, except alopecia).
  • Immunomodulators (interferons, interleukins) within 2 weeks.
  • Other investigational drugs within 4 weeks.
  • Allogeneic stem cell/organ transplant.
  • HBV-HCV coinfection.
  • Hypersensitivity to trial drug components/monoclonal antibodies/antiangiogenic agents.
  • Live vaccines within 4 weeks or planned during study.
  • Major surgery within 4 weeks or planned during study (biopsies/IV catheterization allowed).
  • Other exclusionary factors per investigator judgment (substance abuse, severe comorbidities, psychosocial risks).

Key Trial Info

Start Date :

August 1 2025

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

July 31 2028

Estimated Enrollment :

62 Patients enrolled

Trial Details

Trial ID

NCT07138885

Start Date

August 1 2025

End Date

July 31 2028

Last Update

August 24 2025

Active Locations (1)

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Sun Yat-sen University Cancer Center

Guangzhou, Guangdong, China, 510060