Clinical trial NCT05677113: A Study of QBECO Versus Placebo in the Treatment of Colorectal Cancer That Has Spread to the Liver
Official title: A Phase II Study of Perioperative QBECO Site Specific Immunomodulator (Qu Biologics®) in Patients With Metastatic Colorectal Adenocarcinoma Within the Liver Undergoing Resection
Study type: INTERVENTIONAL
Overall status: RECRUITING
Phase: PHASE2
Conditions: Colorectal Cancer
Liver Metastases
Lead sponsor: Sunnybrook Health Sciences Centre
Sponsor class: OTHER
First posted: 2023-01-10
Enrollment: 115
Sex: ALL
Minimum age (years): 18
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: TREATMENT

Brief summary: The goal of this type of clinical trial is t to answer the following question: Can the chance of colorectal cancer progressing be lowered by taking a medication, QBECO, before and after surgery? The goal of this study is to find out if this approach is better or worse than the standard of care for your type of cancer. The standard of care is defined as care most people get for metastatic colorectal cancer. There is currently no standard of care drug being given before or after surgery to prevent further spread of your cancer. Participants will be asked to self-inject the study medication before surgery for minimum of 11 days and after surgery for minimum of 41 days. Participants will be followed up every 3 months for 2 years, with a final visit at year 5.

Detailed description: PERIOP-06 is a multicenter, phase II, blinded, randomized, placebo-controlled trial in adult patients planned to undergo resection of colorectal liver metastases (CRLM) for complete clearance of all visible disease. The investigational product for the study is QBECO. QBECO is a site specific immunomodulator (SSI) designed to promote innate immune responses in the gastrointestinal tract and related organs, including the liver. This trial is motivated by the promising preclinical and clinical data supporting the safety and efficacy of QBECO in attenuating postoperative immunosuppression and the resulting proliferation of cancer.

The primary objective of this randomized controlled trial is to determine if QBECO administered perioperatively can improve 2-year Progression-Free Survival in adult patients undergoing resection of CRLMs for complete clearance of metastatic disease. The main secondary objectives will be to:

1. Determine the effect of QBECO on the frequency and kinetics of clearance (and recurrence) of circulating tumor DNA (ctDNA) in the postoperative period and further evaluate the use ctDNA as part of ongoing surveillance.
2. Determine the side-effect profile of perioperative QBECO.
3. Determine the effect of QBECO on 5-year overall survival

Approximately 115 participants will be randomized to receive a placebo or the investigational product, QBECO. QBECO or placebo will be administered according to the following regimen: 0.1mL subcutaneous injections every two days for 11-120 days preoperatively, and 41 days postoperatively. Participants will be followed for 5 years after surgery.

Eligibility criteria: Inclusion Criteria:

* Adults aged 18 years or older at time of enrollment.
* Pathologic diagnosis of colorectal carcinoma with clinical diagnosis of liver metastases
* Planned to undergo resection of liver lesions for complete clearance of all visible metastatic disease. This will include those who may undergo synchronous resection of the primary colorectal cancer and/or those who may receive a combination of surgery and ablation to treat all lesions.
* Computerized Tomography (CT) of the chest, abdomen, and pelvis with intravenous (IV) contrast within 6 weeks prior to enrollment.
* MRI of the liver within 6 weeks prior to enrollment OR within 6 weeks prior to starting neoadjuvant chemotherapy (for patients treated with chemotherapy).
* Planned to receive the last dose of neoadjuvant chemotherapy at least 25 days prior to surgery (for patients treated with neoadjuvant chemotherapy).
* Agree to comply with the contraceptive requirements of the protocol when applicable
* Willing and able to either perform subcutaneous injections according to the study protocol, or receive the injections from a caregiver delegated by the participant.
* Able to provide informed consent or has a substitute decision maker capable of providing consent on their behalf.

Exclusion Criteria:

* Prior or current evidence of extrahepatic metastases. Patients with small (\<1.0 cm) indeterminate pulmonary nodules may be included at the investigator's discretion.
* Prior hepatic arterial infusion or embolization. Prior portal vein embolization, ablation, or liver resection are permitted.
* Patients with any invasive cancer history other than colorectal cancer in the last 5 years. In situ disease (e.g., melanoma in situ, ductal carcinoma in situ of the breast) or non melanoma skin cancers are permitted.
* Patients with a documented history of clinically severe autoimmune disease or a syndrome that requires systemic steroids or immunosuppressive agents. This includes patient requiring systemic treatment with either corticosteroids (\> 10 mg daily prednisone equivalent, or depot corticosteroids in the 6 weeks before enrollment) or immunosuppressant drugs (such as azathioprine, tacrolimus, cyclosporine, etc.) within the 14 days prior to enrollment or a reasonable expectation that the patient may require such treatment during the course of the study. Inhaled or topical or inter-articular steroids, and adrenal replacement steroid doses ≤ 10 mg daily prednisone equivalent, are permitted in the absence of active autoimmune disease. Steroids used for premedication prior to chemotherapy or as part of a chemotherapy regimen are allowed.
* Patients with known active human immunodeficiency virus (HIV), Hepatitis B, or Hepatitis C infections.
* Pregnant patients or those who are nursing an infant

Primary outcomes:
measure: The primary outcome will be the 2-year Progression-Free Survival (PFS) rate
timeFrame: 2 years
Secondary outcomes:
measure: Clearance of ctDNA.
timeFrame: 5 years
measure: Side-effect profile of QBECO
timeFrame: through study completion, an average of 5 years
measure: Quality of recovery
timeFrame: Baseline; postoperative day 3, and 6 weeks postoperatively
measure: Five-year overall survival
timeFrame: 5 years
Other outcomes:
Locations:
city: Hamilton
country: Canada
facility: Hamilton Health Science Centre
state: Ontario
city: London
country: Canada
facility: London Health Science Centre
state: Ontario
city: Ottawa
country: Canada
facility: The Ottawa Hospital
state: Ontario
city: Toronto
country: Canada
facility: Sunnybrook Health Science Centre
state: Ontario
Study officials:
affiliation: Paul.Karanicolas@sunnybrook.ca
name: Paul Karanicolas
role: PRINCIPAL_INVESTIGATOR
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