Global Real World Data in Patients With Advanced Thyroid Cancer on Standard of Care and Specialized Interventions- Registry of Oncologic Outcomes With Testing and Treatment. (GRASSROOT)

March 10, 2026 updated by: M.D. Anderson Cancer Center
The goal of this clinical research study is to learn about the barriers in the real world to accessing treatments for ATC. And to learn about how patients with ATC tolerate and respond to the commercially available medications for treatment of this disease, outside of a clinical study.

Study Overview

Status

Recruiting

Conditions

Detailed Description

Primary Objectives:

The primary objective of this study is to compare overall survival (OS) between ATC patients treated at MDA versus outside of MDA using treatment regimens offered at MDA based on BRAF status and stage of the disease. We will gather prospective real-world, large-scale, comprehensive data on these patients who are unable to access traditional clinical trials but are treated with MDA regimens, assigned by stage and BRAF-status.

Secondary Objectives:

  1. To evaluate effect of chemotherapy, immunotherapy, and radiation therapy on the quality of life for ATC survivors
  2. To evaluate how factors such as health insurance and lack of coverage, adherence, and other sociodemographic characteristics influences patient outcomes.

Study Type

Observational

Enrollment (Estimated)

459

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

Study Locations

  • United States
    • Texas
      • Houston, Texas, United States, 77030
        • Recruiting
        • MD Anderson Cancer Center
        • Contact:

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

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

MD Anderson Cancer Center

Description

Inclusion Criteria:

All adult patients aged 18 years or older (with the exception of certain external participant countries where the legal adult age may be different; for example in Singapore, adult majors are defined by age 21 and older) with anaplastic thyroid cancer or poorly differentiated thyroid cancer as their clinical and/ or histological diagnosis will be included.

Exclusion Criteria:

Patients who do not have anaplastic thyroid cancer or poorly differentiated thyroid cancer on their tumor tissue would be excluded.

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

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Overall Survival
Time Frame: Through study completion; an average of 1 year.
Prospective real-world, large-scale, comprehensive data on these patients who are unable to access traditional clinical trials but are treated with MDA regimens, assigned by stage and BRAF-status.
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

Investigators

  • Principal Investigator: Priyanka C Iyer, MBBS, 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)

December 5, 2024

Primary Completion (Estimated)

July 1, 2032

Study Completion (Estimated)

July 1, 2034

Study Registration Dates

First Submitted

July 12, 2024

First Submitted That Met QC Criteria

July 12, 2024

First Posted (Actual)

July 18, 2024

Study Record Updates

Last Update Posted (Actual)

March 12, 2026

Last Update Submitted That Met QC Criteria

March 10, 2026

Last Verified

March 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2024-0394
  • NCI-2024-06148 (Other Identifier: NIH/NCI)

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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