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A window-of-opportunity trial with high-dose vitamin C to enhance neoadjuvant immune checkpoint therapy in mismatch repair proficient colorectal cancer: the ALFEO pilot study

Phase 1
Recruiting
Conditions
pMMR/MSS, Colon Cancer
MedDRA version: 21.0Level: PTClassification code: 10009955Term: Colon cancer stage III Class: 100000004864
MedDRA version: 21.0Level: PTClassification code: 10009956Term: Colon cancer stage IV Class: 100000004864
MedDRA version: 20.0Level: PTClassification code: 10009944Term: Colon cancer Class: 100000004864
MedDRA version: 21.0Level: PTClassification code: 10009954Term: Colon cancer stage II Class: 100000004864
Therapeutic area: Diseases [C] - Neoplasms [C04]
Registration Number
CTIS2022-502524-41-00
Lead Sponsor
ASST Grande Ospedale Metropolitano Niguarda
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
All
Target Recruitment
24
Inclusion Criteria

Histologically confirmed diagnosis of colon carcinoma (CC), Subjects and their partners must be willing to avoid pregnancy during the trial. Male subjects with female partners of childbearing potential and female subjects of childbearing potential must, therefore, be willing to use adequate contraception, The absence of any psychological, familial, sociological, or geographical condition potentially hampering compliance with the study protocol and follow-up schedule; those conditions should be discussed with the patient before registration in the trial., Stage cT4N0-TxN1-2 CC patients who are candidates for upfront surgery as per standard of care or stage IV oligometastatic liver-limited CC patients, as well candidates for upfront surgery on both primary and metastatic tumor sites, after multidisciplinary evaluation; according to ESMO guidelines in low-risk CLM (easy surgery, and Excellent/Good prognosis based on oncological criteria, such as the absence of extrahepatic disease, <5 lesions, no clinical signs of rapid tumor progression), Patients eligible for radical surgical resection of the primary CC and liver metastasis in case of oligometastatic stage IV disease, Stated willingness to comply with all study procedures and availability for the duration of the study, Age = 18 years, Written informed consent to present study, Written informed consent to AlfaOmega observational study, ECOG performance status < 2, Negative serum pregnancy test within 1 week prior to the first study dose in all women of childbearing potential

Exclusion Criteria

Known CC MSI or dMMR status as per standard practice, Prior malignancy active within the previous 3 years except for locally curable cancers that have been apparently cured (for example squamous cell skin cancer, superficial bladder cancer, or carcinoma in situ of the prostate, cervix, or breast), Any serious or uncontrolled medical disorder that, in the opinion of the investigator, may increase the risk associated with study participation or study drug administration, impair the ability of the participant to receive protocol therapy, or interfere with the interpretation of study results, Prior major surgery, open biopsy, or significant traumatic injury within 28 days prior to randomization. Any wound-related AE(s) must have been resolved prior to randomization, Clinically significant cardiovascular disease. Pre-existing hypertension should be adequately controlled to < 140/90 mmHg, Clinically significant bleeding diathesis or coagulopathy, History of thromboembolic or cerebrovascular events within the last 6 months, including transient ischemic attack, cerebrovascular accident, deep vein thrombosis, or pulmonary embolism, Clinically significant cardiac disease including: congestive heart failure requiring treatment (NYHA grade = 2), Left ventricular ejection fraction (LVEF) < 45% as determined by echocardiogram; history or presence of clinically significant ventricular arrhythmias or atrial fibrillation; clinically significant resting bradycardia; unstable angina pectoris = 3 months prior to starting study drug; acute myocardial infarction = 3 months prior to starting study drug; QTcF > 480 msec, Non-healing wound, ulcer, or bone fracture, History of gastrointestinal perforation or abscess within 6 months prior to enrollment, Prior cytotoxic treatment for CC or prior radiotherapy, Participants with an active, known, or suspected autoimmune disease. Participants with type I diabetes mellitus, hypothyroidism only requiring hormone replacement, skin disorders (such as vitiligo, psoriasis, or alopecia) not requiring systemic treatment, or conditions not expected to recur in the absence of an external trigger are permitted to enrol, Participants who received cancer-related Investigational Products (IPs) within 28 days or 5 half-lives, whichever is longer, prior to randomization, Participants who have received a live/attenuated vaccine within 30 days of randomization (e.g., varicella, zoster, yellow fever, rotavirus, oral polio and measles, mumps, rubella [MMR]), Treatment with botanical preparations (e.g. herbal supplements or traditional Chinese medicines) intended to treat the disease under study within 2 weeks prior to randomization, Abnormal organ or bone marrow functions, defined as: Neutrophils < 1500/L; Platelets < 100 10^3/L Hemoglobin < 9.0 g/dL (transfusion to achieve the level of haemoglobin 9 g/dL is not permitted within 7 days of this laboratory assessment) PT/INR and PTT > 1.5 ULN unless participants are receiving anticoagulant therapy and their INR is stable and within the recommended range for the desired level of anticoagulation; Serum creatinine > 1.5 × ULN, or creatinine clearance (CLcr) lower than 40 mL/minute (measured or calculated using the Cockcroft-Gault formula); AST or ALT > 3.0 ULN; Total bilirubin > 1.5 ULN (except participants with Gilbert syndrome who must have a total bilirubin level of < 3.0 ULN);, A positive pregnancy test at enrollment or prior to administration of study medication, Any positive te

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Main Objective: To assess the activity of Ipilimumab + Nivolumab + high dose Vitamin C in a pre-operative setting in colorectal cancer;Secondary Objective: Safety and feasibility;Primary end point(s): Pathological response rate
Secondary Outcome Measures
NameTimeMethod
Secondary end point(s):Adverse events rate
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