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AK112 Plus FOLFIRI Versus Bevacizumab Plus FOLFIRI as Second-line Treatment of MSS/pMMR Metastatic Colorectal Cancer | Clinical Trials | Clareo Health

NOT_YET_RECRUITINGPHASE2

AK112 Plus FOLFIRI Versus Bevacizumab Plus FOLFIRI as Second-line Treatment of MSS/pMMR Metastatic Colorectal Cancer

Ivonescimab (AK112) Plus FOLFIRI Versus Bevacizumab Plus FOLFIRI as Second-line Treatment of MSS/pMMR Metastatic Colorectal Cancer: a Randomized, Controlled, Multicenter Phase II Study

NCT07021950•Sun Yat-sen University

View on ClinicalTrials.gov

Summary

This study is a multicenter, open-label phase II trial conducted to assess the safety and antitumor activity of Ivonescimab (AK112) plus FOLFIRI versus bevacizumab plus FOLFIRI as second-line treatment in subjects with MSS/pMMR metastatic colorectal cancer who have experienced intolerance to oxaliplatin-containing first-line therapy or disease progression, or recurrence within 6 months after oxaliplatin adjuvant therapy.

Detailed Description

After obtaining informed consent, the experimental group receives AK112 at 20 mg/kg via intravenous infusion on day 1 of each cycle (Q2W) combined with FOLFIRI chemotherapy (Q2W), while the control group receives bevacizumab at 5 mg/kg via intravenous infusion on day 1 of each cycle (Q2W) in combination with FOLFIRI (Q2W). Treatment continues until disease progression, death, intolerable toxicity, withdrawal of consent, initiation of new antitumor therapy, or other protocol-specified reasons for discontinuation. The maximum treatment duration is 24 months.

Eligibility

Age

18 - 75 years

Sex

ALL

Healthy Volunteers

Inclusion Criteria

•1. Voluntarily sign written informed consent
•2. Agree to provide tumor and blood samples for biomarker detection
•3. Age ≥18 and ≤75 years at enrollment, regardless of gender
•4. Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1
•5. Expected survival ≥3 months
•6. Pathologically confirmed locally advanced unresectable or metastatic colorectal adenocarcinoma
•7. Confirmed MSS/pMMR-type CRC by immunohistochemistry (IHC), PCR, or NGS
•8. Intolerance to oxaliplatin-containing standard first-line therapy, disease progression, or recurrence within \< 6 months after oxaliplatin adjuvant therapy
•9. Adequate organ function (last 14 days without intervention):
•1. Absolute neutrophil count (ANC) ≥1.5×10⁹/L without granulocyte colony-stimulating factor1.
+10 more criteria

Exclusion Criteria

•1.Known as MSI-H or dMMR status 2.History of or concurrent malignancies within 3 years, except cured local tumors (e.g., basal cell skin cancer, squamous cell skin cancer, superficial bladder cancer, cervical carcinoma in situ) 3.Current or prior central nervous system (CNS) or leptomeningeal metastases 4.Proteinuria ≥2+ on dipstick/urinalysis or 24-hour urine protein ≥1.0 g (patients with 1+ proteinuria require confirmation via 24-hour urine collection) 5.Unresolved toxicities from prior therapy exceeding NCI CTCAE v5.0 Grade 1 (except alopecia or neuropathy ≤Grade 2) 6.Gastrointestinal perforation ≤1 year before enrollment or a history of GI perforation 7.Prior irinotecan treatment (including irinotecan injection or liposomal irinotecan) 8.Prior anti-angiogenic small molecule targeted therapy (e.g., fruquintinib) 9.Concurrent participation in an interventional clinical trial or use of investigational drugs/devices ≤4 weeks before the first dose 10.Current or prior non-infectious pneumonitis or interstitial lung disease requiring systemic corticosteroids 11.Active autoimmune disease requiring systemic therapy within 2 years (e.g., disease-modifying agents, corticosteroids, immunosuppressants). Replacement therapy (e.g., thyroxine, insulin) is permitted 12.History of immunodeficiency, positive HIV antibody test, or long-term use of systemic corticosteroids/immunosuppressants (short-term steroids for COPD or allergies allowed) 13.Active tuberculosis (confirmed or suspected requiring exclusion) or syphilis infection 14.Severe infection (e.g., sepsis, pneumonia requiring hospitalization) ≤4 weeks before the first dose or active infection requiring systemic anti-infectives ≤2 weeks (excluding HBV/HCV antivirals) 15.Significant bleeding history (e.g., hemoptysis ≥1 teaspoon of blood, gastrointestinal bleeding) ≤1 month or antiplatelet/anticoagulant therapy ≤10 days before the first dose 16.Active/past inflammatory bowel disease (e.g., Crohn's disease, ulcerative colitis, chronic diarrhea) 17.Uncontrolled comorbidities (e.g., metabolic disorders, peptic ulcers, psychiatric conditions affecting compliance) 18.Cardiac history: myocardial infarction, NYHA Class ≥2 heart failure, unstable angina ≤12 months; arterial/venous thromboembolism ≤6 months; uncontrolled hypertension (SBP \>150 mmHg or DBP \>90 mmHg) 19.Prior immune therapy (checkpoint inhibitors, CAR-T, etc.) targeting tumor immunity 20.Major surgery ≤30 days before/after the first dose or minor surgery ≤3 days before the first dose (excluding IV catheter placement) 21.Live/attenuated vaccines ≤30 days before the first dose or planned during the study; inactivated vaccines permitted 22.History of allogeneic organ or hematopoietic stem cell transplantation 23.Hypersensitivity to study drug components or monoclonal antibodies 24.History of psychiatric disorders, substance abuse, or alcoholism 25.Pregnancy or lactation 26.Any current or past disease, therapy, or abnormal laboratory finding that may confound study results, interfere with full study participation, or compromise the participant's best interest by continuing in the study Conditions that may confound results or pose undue risk (e.g., leukemoid reaction (WBC \>20×10⁹/L), ≥10% weight loss ≤3 months)

Key Dates

Start Date

August 10, 2025

Primary Completion Date

October 31, 2027

Completion Date

December 31, 2028

Last Updated

June 15, 2025

Enrollment

130

ESTIMATED participants

Conditions

Colorectal CancerIvonescimab

Interventions

AK112

DRUG

FOLFIRI

DRUG

Bevacizumab

DRUG

Contacts

Ruihua Xu, MD,phD

CONTACT

+86 13922206676 xurh@sysucc.org.cn

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Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: June 15, 2025Data synced to Clareo: March 29, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

View ClinicalTrials.gov Terms and Conditions

AK112 Plus FOLFIRI Versus Bevacizumab Plus FOLFIRI as Second-line Treatment of MSS/pMMR Metastatic Colorectal Cancer

Inclusion Criteria

Exclusion Criteria

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