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A single-arm, multicenter prospective study of RAS inhibitors combined with bevacizumab in patients with mCRC

A single-arm, multicenter prospective study of RAS inhibitors combined with bevacizumab in patients with mCRC

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2400082666
Enrollment
Unknown
Registered
2024-04-03
Start date
2023-08-28
Completion date
Unknown
Last updated
2024-04-08

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

Conditions

colorectal cancer

Interventions

Treatment group:losartan+Bevacizumab + chemotherapy (CapeOx+mXELIRI)

Sponsors

Jiangjin Central Hospital of Chongqing
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1) The subjects voluntarily joined the study and signed the informed consent; 2) Age: 18-80 years old; 3) The patient was histologically confirmed as colorectal adenocarcinoma and imaging studies confirmed recurrence or metastasis; 4) Gene test confirmed RAS gene mutation; Or RAS and BRAF both wild type, the primary focus is located in the right colon; 5) No signs of intestinal obstruction; Or intestinal obstruction has been relieved after proximal colostomy surgery; 6) mCRC patients who had previously received first-line postoperative chemotherapy and failed, or were first diagnosed with advanced mCRC; 7) Activity status score: ECOG 0-2; 8) Life expectancy: more than 6 months; 9) With or without hypertension; 10) Vital organ functions meet the following requirements i. Absolute neutrophil count (ANC) =2×109/L ii. Platelets =100×109/L; iii. Hemoglobin =9g/dL; iv. Serum albumin =3g/dL; v. ALT and AST=2.5 times ULN; vi. Creatinine clearance =50mL/min; 11) Fertile female subjects should take a serum pregnancy test within 72 hours before the first dosing and prove negative, and be willing to use effective methods of contraception during the trial period until 3 months after the last dosing. For male subjects whose partner is a woman of reproductive age, effective contraception should be used during the trial and for 3 months after the last dose. Examples include double barrier methods of contraception, condoms, oral or injectable contraceptives, intrauterine devices, etc. All female patients will be considered fertile unless they have undergone natural menopause, artificial menopause, or sterilization (such as hysterectomy, bilateral adnexectomy, or irradiation of radioactive ovaries).

Exclusion criteria

Exclusion criteria: 1) There were clinically significant bleeding symptoms or definite bleeding tendencies within 3 months before enrollment, such as gastrointestinal bleeding, active bleeding, stool occult blood ++ or above at baseline, or vasculitis; 2) Subjects with clinical symptoms of untreated active brain metastases or with meninges metastases; 3) Have clinical symptoms or diseases of the heart that are not well controlled, such as: (1) NYHA2 or higher heart failure, (2) unstable angina pectoris, (3) myocardial infarction within 1 year, (4) Clinically significant supraventricular or ventricular arrhythmia requiring treatment or intervention; 4) Known hereditary or acquired bleeding and thrombotic tendencies (such as hemophilia, coagulation disorders, thrombocytopenia, hypersplenism, etc.) or are receiving thrombolytic or anticoagulant therapy; 5) Urine routine indicates urine protein =++, or confirms 24-hour urine protein volume =1.0g; 6) Hypotensive subjects: blood pressure below 90/60mmHg; 7) Occurrence of arterial/venous thrombosis events, such as cerebrovascular accident (including temporary ischemic attack, cerebral hemorrhage, cerebral infarction), deep vein thrombosis and pulmonary embolism, etc. within 6 months before enrollment; 8) Subjects with active infection; 9) Congenital or acquired immune deficiency (such as HIV infection), or active hepatitis (hepatitis B: HBsAg positive and HBV DNA=104 copy number /ml; Hepatitis C: HCV antibody positive); 10) A known or suspected allergy to the study drug or to any drug administered in connection with this trial; 11) In the investigator's judgment, the subject has other conditions that could affect the study results or cause the study to be stopped, such as substance abuse, serious illness (including mental illness such as seizures), and other medical, psychological, or social conditions that could compromise the patient's safety and compliance; 12) Gastrointestinal perforation.

Design outcomes

Primary

MeasureTime frame
ORR(Objective response rate);

Secondary

MeasureTime frame
DCR(Disease control rate);PFS(Progression-free survival);OS(Overall survival);security;

Countries

China

Contacts

Public ContactChunrong Wu

Jiangjin Central Hospital of Chongqing

2008zjwcr@163.com+86 151 2320 1910

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026