Clinical trial NCT05919095: A Clinical Study of a Preoperative Translational Therapy for Unresectable Gallbladder Cancer
Official title: A Single-arm, Multicenter, Phase II Clinical Study of the Efficacy and Safety of Carrilizumab Combinated With Gemcitabine and Oxaliplatin (GEMOX) as a Preoperative Translational Therapy for Unresectable Gallbladder Cancer
Study type: INTERVENTIONAL
Overall status: NOT_YET_RECRUITING
Phase: PHASE2
Conditions: Unresectable Gallbladder Cancer
Keywords: PD-1；GEMOX；Unresectable gallbladder cancer.
Lead sponsor: Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Sponsor class: OTHER
First posted: 2023-06-26
Enrollment: 37
Sex: ALL
Minimum age (years): 18
Maximum age (years): 75
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: NA
Intervention model: SINGLE_GROUP
Primary purpose: TREATMENT

Brief summary: This is an open-label,multicenter ,non-randomized,single arm exploratory study. The objective of this study is to evaluate the efficacy and safety of PD-1 antibody plus GEMOX as preoperative translational therapy for unresectable gallbladder cancer.

Detailed description: The aim of this study was to evaluate the efficacy and safety of carrilizumab in combination with gemcitabine and oxaliplatin (GEMOX) as a preoperative conversion therapy for unresectable gallbladder cancer. Patients with unresectable gallbladder cancer were enrolled to receive gemcitabine 1000 mg/m2 D1, D8 + oxaliplatin 100 mg/m2, D1 + carrilizumab 200 mg, D1, in 21-day cycles for 6-8 cycles, with changes in serum tumor parameters assessed at each course and abdominal CTA performed every two courses.The above treatment was terminated if the CT evaluation revealed disease progression, and the investigator could adjust the treatment regimen according to the guideline. The primary outcome measure of this study is the tumor radical resection rate; secondary outcome measure are objective response rate, disease control rate, progression-free survival, and overall survival. The safety indicators are the incidence and severity of adverse events (AE) and serious adverse events (SAE) according to NCI-CTCAEv5.0 criteria. Thirty-seven cases are expected to be enrolled in this study.

Eligibility criteria: Inclusion Criteria:

1. The patient must sign an informed consent form;
2. Age 18-75 years old, both male and female;
3. ECOG performance status score (PS score) 0 or 1 point;
4. Child-Pugh score A period;
5. Patients with advanced or recurrent metastatic gallbladder cancer who are not suitable for radical surgery (R0), or non-radical surgery (R1), or palliative surgery, as confirmed by pathological histology or cytology.
6. Have not received any systemic treatment within 6 months;
7. The functional indicators of important organs meet the following requirements (1)Neutrophils≥1.5\*109/L; platelets≥100\*109/L; hemoglobin≥9g/dl; serum albumin≥3g/dl; (2)Thyroid-stimulating hormone (TSH) ≤ 2 times the upper limit of normal, and T3 and T4 are in the normal range; (3)Bilirubin ≤ 1.5 times the upper limit of normal; ALT and AST ≤ 3 times the upper limit of normal; (4)Serum creatinine ≤ 1.5 times the upper limit of normal, and creatinine clearance ≥ 60ml/min (calculated by Cockcroft-Gault formula);
8. The subject has at least 1 measurable lesion (according to RECIST1.1);
9. For women who are not breastfeeding or pregnant, use contraception during treatment or 12 months after the end of treatment.

Exclusion Criteria:

1. Past or simultaneous suffering from other malignant tumors, except for fully treated non-melanoma skin cancer, cervical carcinoma in situ, and thyroid papillary carcinoma;
2. Have used gemcitabine-based chemotherapy or have used PD-1 monoclonal antibody or PD-L1 monoclonal antibody treatment within 6 months;
3. Severe cardiopulmonary and renal dysfunction;
4. Hypertension that is difficult to control with drugs (systolic blood pressure (BP) ≥140 mmHg and/or diastolic blood pressure ≥90mmHg) (based on the average of ≥3 BP readings obtained by ≥2 measurements);
5. Abnormal coagulation function (PT\>14s), have bleeding tendency or are receiving thrombolysis or anticoagulation therapy;
6. After antiviral treatment, HBV DNA\>2000 copies/ml, HCV RNA\>1000;
7. A history of esophageal and gastric varices, significant clinically significant bleeding symptoms or a clear tendency to appear within 3 months before enrollment;
8. Active infections requiring systemic treatment; patients with active tuberculosis infection within 1 year before enrollment; a history of active tuberculosis infection more than 1 year before enrollment, and no formal anti-tuberculosis treatment or tuberculosis Still in the active period;
9. Human immunodeficiency virus (HIV, HIV1/2 antibody) positive;
10. A history of psychotropic drug abuse, alcohol or drug abuse;
11. Known to have a history of severe allergies to any monoclonal antibodies, platinum drugs, or gemcitabine;
12. Other factors judged by the investigator may affect the safety of the subjects or the compliance of the trial. Such as serious diseases (including mental illness) that require combined treatment, serious laboratory abnormalities, or other family or social factors.

Primary outcomes:
measure: Radical resection rate
timeFrame: 6 months
Secondary outcomes:
measure: Objective response rate (ORR)
timeFrame: 6 months
measure: Disease control rate(DCR)
timeFrame: 6 months
measure: Progression-free survival (PFS)
timeFrame: 6 months
measure: Overall survival(OS)
timeFrame: 6 months
measure: The incidence of treatment-related adverse event
timeFrame: 6 months
Other outcomes:
Locations:
city: Guangzhou
country: China
facility: Sun Yat-sen Memorial Hospital, Sun Yat-sen University
state: Guangdong
Study officials:
affiliation: Department of Biliary and Pancreatic Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University
name: Rui Zhang, PhD
role: PRINCIPAL_INVESTIGATOR
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