4-Point Therapy Response Score With PET/CT for Anal Squamous Cell Cancer

February 16, 2024 updated by: M.D. Anderson Cancer Center

The Role of a 4-point Therapy Response Score With PET/CT Post Definitive Chemoradiation for Anal Squamous Cell Cancer: A Prospective Study

This study determines whether a positron emission tomography (PET)/computed tomography (CT) 4-point scoring system may predict overall survival for anal squamous cell cancer patients. A 4-point scoring system involving imaging scans may help to predict how patients with anal squamous cell cancer respond to chemoradiation therapy.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

PRIMARY OBJECTIVE:

I. To determine whether a PET/CT scoring system in invasive biopsy proven anal squamous cell carcinoma (SCCA) to be treated with chemoradiation with curative intent (any T any N) predicts for overall survival (OS).

SECONDARY OBJECTIVES:

I. To determine whether a PET/CT scoring system in invasive biopsy proven SCCA to be treated with definitive chemoradiation with curative intent predicts for progression free survival (PFS).

II. To determine and validate inter-reader reliability. III. To calculate C-index to evaluate the prognostic capacity of PET/CT scores for survival.

IV. To determine the association between pre-treatment PET/CT scores after treatment and OS.

EXPLORATORY OBJECTIVE:

I. To correlate level of standardized uptake value (SUV) pre and post therapy and its correlation with overall survival.

OUTLINE:

Patients undergo PET/CT at baseline and at 3 months post therapy completion. Patients' medical records are received. Patients are followed up for 5 years.

Study Type

Observational

Enrollment (Actual)

41

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

  • United States
    • Texas
      • Houston, Texas, United States, 77030
        • M D Anderson Cancer Center

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

Sampling Method

Non-Probability Sample

Study Population

Patients with invasive SCCA

Description

Inclusion Criteria:

  • Histologically confirmed biopsy proven invasive SCCA (any T, any N) deemed a candidate to undergo standard of care definitive chemoradiation at MD Anderson Cancer Center (MDACC) with curative intent
  • Age > 18 years at time of study entry
  • Ability to provide written informed consent

Exclusion Criteria:

  • Patients unwilling to participate in a PET/CT at baseline and at 3 months post completion of definitive chemoradiation
  • Patients with an active second primary malignancy requiring chemotherapy or radiation treatment
  • Stage IV SCCA

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

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Observational (PET/CT, medical data review, follow-up)
Patients undergo PET/CT at baseline and at 3 months post therapy completion. Patients' medical records are received. Patients are followed up for 5 years.
Other: Electronic Health Record Review
Review of medical records
Procedure: Computed Tomography
Undergo PET/CT
Other Names:
  • CT
  • CAT
  • CAT Scan
  • Computerized Axial Tomography
  • Computerized Tomography
  • CT Scan
  • tomography
Procedure: Positron Emission Tomography
Undergo PET/CT
Other Names:
  • Medical Imaging, Positron Emission Tomography
  • PET
  • PET Scan
  • Positron Emission Tomography Scan
  • Positron-Emission Tomography
  • proton magnetic resonance spectroscopic imaging
Procedure: Follow-Up
Undergo follow-up
Other Names:
  • Active Follow-up
  • Clinical Signs Follow-up
  • CLSFUP
  • Follow Up
  • follow_up
  • Followed
  • Followup

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Overall survival (OS)
Time Frame: Through study completion, an average of 1 year
The Kaplan-Meier method will be used. Log rank test will be used to compare OS between positron emission tomography (PET)/computed tomography (CT) negative and positive tumor group. Multivariable Cox proportional hazards models will be fitted to evaluate the association between OS and PET/CT scores, adjusting for the effects of covariates. In addition to positive and negative tumor groups, PET/CT scores of 4 categories will also be analyzed. C-index will be calculated to evaluate the prognostic capacity of PET/CT score with survival outcomes. Additionally, the Cohen kappa coefficient will be calculated to measure inter-reader agreement.
Through study completion, an average of 1 year

Collaborators and Investigators

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

Sponsor

M.D. Anderson Cancer Center

Collaborators

National Cancer Institute (NCI)

Investigators

  • Principal Investigator: Benny Johnson, M.D. Anderson Cancer Center

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Helpful Links

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)

July 31, 2019

Primary Completion (Actual)

December 14, 2023

Study Completion (Actual)

December 14, 2023

Study Registration Dates

First Submitted

November 10, 2021

First Submitted That Met QC Criteria

November 10, 2021

First Posted (Actual)

November 22, 2021

Study Record Updates

Last Update Posted (Actual)

February 20, 2024

Last Update Submitted That Met QC Criteria

February 16, 2024

Last Verified

December 1, 2023

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • PA19-0088 (Other Identifier: M D Anderson Cancer Center)
  • NCI-2021-10964 (Registry Identifier: CTRP (Clinical Trial Reporting Program))

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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