PD-1 Antibody Following Preoperative Chemoradiotherapy for Locally Advanced pMMR/MSS Rectal Cancer

January 9, 2023 updated by: Pei-Rong Ding, Sun Yat-sen University

PD-1 Antibody as a Sequential Therapy Following Preoperative Chemoradiotherapy for Locally Advanced pMMR/MSS Rectal Cancer: an Open, Multi-center, Phase II Clinical Trial

In this open-label phase II study, patients will be scheduled for neoadjuvant treatment with PD-1 antibody following preoperative Chemoradiotherapy with capecitabine for pMMR/MSS rectal cancer staged as locally advanced (cT3-T4N+/-M0 for rectal cancer). This treatment will be given during the window period until surgical resection of the tumor.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Active, not recruiting

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Anticipated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
30

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • 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 Locations

  • China
    • Guangdong
      • Guangzhou, Guangdong, China, 510060
        • 651 Dongfeng Road East

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

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years to 75 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Patients who personally provided written consent for participation in the study
  • Treatment-naive patients with rectal cancer, in whom the inferior margin of the tumor was at a distance of 12 cm or less from the AV before CRT
  • Primary rectal cancer histopathologically confirmed to be adenocarcinoma
  • Clinical stage of T3,and T4 ,N any,M0,before CRT
  • Macroscopic radical resection could be feasible, based on diagnostic imaging before CRT
  • Patients with the ECOG performance status of 0 or 1 at the time of enrollment
  • Patients without distant metastasis on the imaging test before CRT
  • Preoperative biopsy of tumor immunohistochemistry TPS>1% or CPS>1
  • Life expectancy of greater than 2 years
  • No signs of intestinal obstruction; or the obstruction has been relieved after the proximal colostomy operation
  • Hematology: WBC>4000/mm3; PLT>100000/mm3; Hb>10g/dL
  • Liver function: SGOT and SGPT are less than 1.5 times the normal value; bilirubin is less than 1.5mg/dL
  • Renal function: creatinine <1.8mg/dL Others: non-pregnant or breast-feeding women; no other malignant diseases (except for non-melanoma or cervical carcinoma in situ) within 5 years or during the same period; no mental illness that causes the inability to obtain informed consent; no other serious diseases that can shorten the survival time disease.
  • Have not received rectal surgery in the past;
  • Have not received chemotherapy or radiotherapy in the past;
  • Have not received biological treatment in the past;
  • Past endocrine therapy: unlimited.

Exclusion Criteria:

  • Rectal cancer with unstable microsatellite (MSI or dMMR);
  • Preoperative biopsy of tumor immunohistochemistry TPS≤1% or CPS≤1
  • Known history of human immunodeficiency virus (HIV) or chronic hepatitis B or C (high copy viral DNA);
  • Autoimmune diseases;
  • Other active clinical serious infections (>NCI-CTC version 3.0);
  • Patients in clinical phase I;
  • There is evidence that there is distant metastasis before surgery;
  • Cachexia, decompensation of organ function;
  • Have a history of pelvic or abdominal radiotherapy;
  • Multiple primary cancers;
  • Patients who need treatment for seizures (such as steroids or anti-epileptic treatment);
  • Have a known additional malignant tumors within 5 years. Exceptions include basal cell carcinoma of the skin that has undergone potentially curative therapy or in situ cervical cancer;
  • Chronic inflammatory bowel disease, intestinal obstruction;
  • Drug abuse and medical, psychological or social conditions may interfere with patients' participation in research or have an impact on the evaluation of research results;
  • Known or suspected to be allergic to the study drug or to any drug given in connection with this test;
  • Any unstable conditions or situations that may endanger patient safety and compliance

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

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: PD-1 antibody + capecitabine + radiation
Drug: PD-1 antibody
Capecitabine:Dose of 1650mg/m2,14days; Radiation:50Gy/25 fractions;IBI308: 200mg on day1 of each cycle, 3 cycles; Surgical therapy:The resection (LAR), intersphincteric resection (ISR), or abdominoperineal resection (APR)

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Pathological complete response
Time Frame: 1 year
Pathological complete response will be evaluated with American Joint Committee on Cancer (AJCC) Cancer Staging
1 year

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Time Frame
Overall survival (OS)
Time Frame: 3 years
3 years
Relapse-free survival (RFS)
Time Frame: 3 years
3 years
Clinical complete response (CCR)
Time Frame: 1 year
1 year

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Sun Yat-sen University

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Fudan University
Liaoning Tumor Hospital & Institute

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)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
January 1, 2021

Primary Completion (Anticipated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
December 31, 2024

Study Completion (Anticipated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
December 31, 2026

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
April 4, 2021

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
April 4, 2021

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
April 6, 2021

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
January 11, 2023

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
January 9, 2023

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
January 1, 2023

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • B2019-092

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

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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