- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05216653
Preoperative Short-course Radiation Followed by Envafolimab Plus CAPEOX for MSS Locally Advanced Rectal Adenocarcinoma (PRECAM)
January 26, 2024 updated by: Sheng Dai, Sir Run Run Shaw Hospital
Preoperative Short-course Radiation Followed by Envafolimab Plus CAPEOX for MSS Locally Advanced Rectal Adenocarcinoma (PRECAM): An Open Label, Prospective, Single Arm Clinical Trial
Short-course radiotherapy combined with immunotherapy may bring revolutionary changes to the preoperative neoadjuvant treatment mode for locally advanced rectal cancer.
According to the existing theory, the use of PD-L1 monoclonal antibody after short-course radiotherapy may be the best solution.
In this study, the investigators will perform single-cell sequencing of participants tissue samples, fully explore the multi-dimensional omics information of tumors and microenvironments, explore the characteristics of the treatment benefit population, and try to construct an efficacy prediction model to screen the treatment benefit population early and implement precise treatment.
Study Overview
Status
Active, not recruiting
Conditions
Study Type
Interventional
Enrollment (Actual)
32
Phase
- Phase 2
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: sheng dai, MD&PhD
- Phone Number: 13575472669
- Email: daimd@zju.edu.cn
Study Locations
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Zhejiang
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Hangzhou, Zhejiang, China, 310016
- Sir Run Run Shaw Hospital, Zhejiang University School of Medicine
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Patients who are willing to receive neoadjuvant therapy.
- ≧18 years old.
- Diagnosed by digital rectal examination, colonoscopy, and high-resolution MRI of the pelvis, the tumor is less than or equal to 12 cm from the anus.
- Histologically diagnosed as rectal adenocarcinoma.
- The clinical staging by pelvic contrast-enhanced CT and pelvic high-resolution MRI were cT2-4a N+, cT3/T4a N0.
- MMR protein detection or MSI gene detection of rectal cancer specimens confirmed pMMR or MSS before treatment .
- The patient has good compliance and can come to the hospital for re-examination as required.
- ECOG Scale of Performance Status score 0-1 point.
- Have not received anti-tumor and immunotherapy before enrollment.
Laboratory inspections must meet the following standards:
- White blood cell count>3.5×109/L, absolute value of neutrophils>1.8×109/L, platelet count ≥75×109/L, hemoglobin ≥100g/L;
- INR≤1.5, and APTT≤1.5 times the upper limit of normal or partial prothrombin time (PT) ≤1.5 times the upper limit of normal;
- Total bilirubin ≤ 1.25 times the upper limit of normal; ALT and AST < 5 times the upper limit of normal;
- 24h creatinine clearance >50mL/min or serum creatinine <1.5 times the upper limit of normal.
- Voluntarily participate in this study and sign the informed consent.
Exclusion Criteria:
- History of other malignant diseases in the past 5 years.
- Patients with metastases from other sites (stage IV patients).
- Patients with clinical staging of T1-2N0 or T4b, or positive lateral lymph nodes by pelvic contrast-enhanced CT and pelvic high-resolution MRI.
- Patients with intestinal obstruction, intestinal perforation, intestinal bleeding, etc. requiring emergency surgery.
- Known allergic to oxaliplatin, capecitabine, PD-L1 monoclonal antibody and other drugs.
- Pathologically suggested signet ring cell carcinoma and mucinous adenocarcinoma.
- dMMR or MSI-H patients.
- The patient is accompanied by any unstable systemic disease, including but not limited to: severe infection, uncontrolled diabetes, hypertension uncontrolled by medication, unstable angina, cerebrovascular accident or transient cerebral ischemia, myocardial Infarction, congestive heart failure, severe cardiac arrhythmia requiring medication, hepatic, renal or metabolic disease; disease affecting the patient's life.
- The disease (such as mental illness, etc.) or condition (such as alcoholism or drug abuse, etc.) associated with the patient will increase the risk of the patient receiving the trial drug treatment or affect the patient's compliance with the trial requirements, or may confuse the research results.
- Active autoimmune disease that may worsen while receiving immunostimulants.
- Known history of positive HIV test or known acquired immunodeficiency syndrome.
Patients who are using immunosuppressive agents, except for the following conditions:
- Intranasal, inhaled, topical steroids, or topical steroid injections (eg, intra-articular injections);
- Physiological doses of systemic corticosteroids ≤10 mg/day prednisone or equivalent;
- Steroids used to prevent allergic reactions (eg, before CT scan).
- Received any other experimental drug treatment or participated in another interventional clinical trial within 30 days before screening
- Women who are pregnant or breastfeeding or who plan to become pregnant or breastfeeding during the study period; men or women who are unwilling to take effective contraceptive measures.
- Vulnerable groups, including mentally ill, cognitively impaired, critically ill patients, minors, etc.
- Other conditions that the investigator judges that the patient is not suitable to participate in the clinical study, etc.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Preoperative Short-course Radiation followed by Envafolimab plus CAPEOX
The enrolled patients with MSS-type advanced middle-low rectal cancer will receive a combined regimen of neoadjuvant chemoradiotherapy combined with immunotherapy and total mesorectal excision (TME surgery).
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This product is administered by subcutaneous injection.
The recommended dose of subcutaneous injection is 150 mg, administered weekly (QW).
Other Names:
130mg/m2,ivgtt,d1
1000mg/m2,po,bid,d1-14
Short-course radiotherapy, using three-dimensional conformal or intensity-modulated radiotherapy, the dose is divided into 5Gy/f, the total dose is 25Gy/5f, 1f/d, and the irradiation is completed within 7 days.
The surgical method can choose open, laparoscopic or robotic according to the specific condition of the patient.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The primary objective of the study is to evaluate the pathologic complete response (pCR) rate following short-course radiation then Envafolimab Plus CAPEOX
Time Frame: Up to 10 weeks (once surgery is done)
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pCR was defined as the absence of viable tumour cells in the resected primary tumour specimen and all sampled regional lymph nodes (ypT0N0).
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Up to 10 weeks (once surgery is done)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Tumor regression grade following short-course radiation then Envafolimab Plus CAPEOX as assessed by AJCC/CAP TRG system
Time Frame: Up to 10 weeks (once surgery is done)
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Tumor Regression Grade(TRG)will be done via pathologic assessment on the surgical specimen with AJCC/CAP TRG system
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Up to 10 weeks (once surgery is done)
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The proportion of participants who remain survival at 3 years
Time Frame: Up to 3 years
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Defined as the percentage of patients alive after 3-year follow-up
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Up to 3 years
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The proportion of participants who remain progression free at 3 years
Time Frame: Up to 3 years
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Defined as the percentage of patients without disease recurrence or progression after 3-year follow-up
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Up to 3 years
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Number of participants with treatment-related adverse events as assessed by NCI-CTCAE v5.0
Time Frame: Up to 3 years
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Treatment- related adverse events are assessed by NCI-CTCAE v5.0 in each visit
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Up to 3 years
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Surgical Complications of total mesorectal resection procedure for patients after short-course radiation then Envafolimab Plus CAPEOX as assessed by Clavien-Dindo classification
Time Frame: Up to 24 weeks
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Surgical Complications are assessed by Clavien-Dindo classification after surgery.
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Up to 24 weeks
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Quality of life of the patients in a neoadjuvant setting of short-course radiation then Envafolimab Plus CAPEOX as assessed by FACT-C questionnaire
Time Frame: Up to 3 years
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Quality of life is measured via FACT-C questionnaire in each visit.
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Up to 3 years
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: sheng dai, MD&PhD, Sir Run Run Shaw Hospital
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
April 7, 2022
Primary Completion (Actual)
March 31, 2023
Study Completion (Estimated)
March 31, 2025
Study Registration Dates
First Submitted
January 14, 2022
First Submitted That Met QC Criteria
January 26, 2022
First Posted (Actual)
January 31, 2022
Study Record Updates
Last Update Posted (Estimated)
January 29, 2024
Last Update Submitted That Met QC Criteria
January 26, 2024
Last Verified
January 1, 2024
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Digestive System Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Neoplasms by Site
- Carcinoma
- Neoplasms, Glandular and Epithelial
- Gastrointestinal Neoplasms
- Digestive System Neoplasms
- Gastrointestinal Diseases
- Intestinal Diseases
- Intestinal Neoplasms
- Rectal Diseases
- Colorectal Neoplasms
- Adenocarcinoma
- Rectal Neoplasms
- Molecular Mechanisms of Pharmacological Action
- Antimetabolites, Antineoplastic
- Antimetabolites
- Antineoplastic Agents
- Capecitabine
- Oxaliplatin
Other Study ID Numbers
- 20220111-8
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
UNDECIDED
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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