- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05839951
An Observational Study Called STAR-T to Learn More About the Sequential Treatment With Regorafenib and TAS-102 in Adults With Metastatic Colorectal Cancer Under Real World Conditions (STAR-T)
(STAR-T) Sequential TreAtment With Regorafenib and Trifluridine/Tipiracil (TAS-102, With or Without Bevacizumab) in Refractory Metastatic Colorectal Cancer: Real-world Outcomes in Community Clinical Practice in the USA
This is an observational study using data that has been collected from participants who received their usual treatments.
Metastatic colorectal cancer (mCRC) is a cancer of the colon (large bowel) or the rectum (lowest part of the bowel just before the anus) that has spread to other parts of the body.
Regorafenib is an anti-cancer drug that blocks several proteins, called enzymes, which are involved in the growth of cancer. The combination of anti-cancer drugs trifluridine and tipiracil is called TAS-102. It prevents cancer cells from growing and multiplying.
Both regorafenib and TAS-102 are approved treatments for metastatic colorectal cancer and are available for doctors to prescribe to people with mCRC after previous lines of treatment have been unsuccessful.
Regorafenib and TAS-102 work in different ways and impact people differently. People might receive one of these drugs first and followed by the other. The best sequence for taking these drugs is still unclear.
Researchers have also found that TAS-102, when taken with another anti-cancer drug called bevacizumab, helps people live longer than when taken alone.
To better understand the impact of the sequence of taking regorafenib and TAS-102 (with or without bevacizumab), more knowledge is needed about how these work together in people with mCRC in real world settings.
The main purpose of this study is to learn more about the characteristics and impact of treatment in people with mCRC who received regorafenib and TAS-102 (with or without bevacizumab) one after the other. This information will be grouped based on their treatment sequence and age group (less or more than 65 years old).
In addition, the researchers want to learn about :
- how long participants were treated with regorafenib and TAS-102 taken one after the other in a sequential order,
- any treatment for mCRC that the participants received after the sequential treatment,
- any treatment received for a condition in which the bone marrow cannot make up enough blood cells (a common side effect of cancer treatment), during the sequential treatment,
- if and how often white blood cells that fight infection decreased during the sequential treatment,
- the number of hospital or testing facility visits that participants had during the sequential treatment, and
- how long did participants live (also called overall survival).
The participants in this study had already received regorafenib and TS-102 (with or without bevacizumab) as part of their regular care from their doctors.
The data will come from the participants' information stored in an electronic health records database called Flatiron mCRC EDM. Data collected will be from January 2015 to December 2022.
Researchers will only look at the health information from adults in the United States of America.
In this study, only available data from routine care is collected. No visits or tests will be required as part of this study.
Study Overview
Status
Conditions
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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New Jersey
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Whippany, New Jersey, United States, 07981
- Many locations
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- Adult patients who had diagnosis of mCRC (≥18 years old at diagnosis of mCRC)
- Received sequential treatment of regorafenib and TAS-102 (either mono or with bevacizumab) after mCRC diagnosis, with at least one documented clinical visit on or after treatment; OR
- Patients with mCRC who received combo use of TAS+BEV, with at least one documented clinical visit on or after treatment
Exclusion Criteria:
- Patients who had a diagnosis of gastrointestinal stromal tumors (GIST) or hepatocellular carcinoma (HCC) or other primary cancers in the baseline period (i.e., 6 months prior to index date) except non-melanoma skin cancers
- Patients involved in clinical trials during the study period (as indicated by the masked therapies)
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
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Cohort R-T
Patients with mCRC who started with regorafenib first, followed by TAS+/-Bev (Bevacizumab) without other therapies in between.
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Oral multitargeted kinase inhibitor
VEGFR inhibitor
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Cohort T-R
Patients with mCRC who started with TAS+/-Bev first, followed by regorafenib, without other therapies in between.
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VEGFR inhibitor
Oral cytotoxic chemotherapy
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Cohort TAS+BEV
Patients with mCRC who received combo use of TAS+BEV.
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VEGFR inhibitor
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Cohort R-T or Cohort T-R: Descriptive analysis of demographic
Time Frame: Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Demographic includes age, gender, race and ethnicity, insurance.
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Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Cohort R-T or Cohort T-R: Descriptive analysis of clinical characteristics
Time Frame: Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Clinical characteristics includes number and type of prior therapies patient received for mCRC, stage at initial diagnosis, performance status, histology, time since metastatic diagnosis, Line of Treatment (LOT) of index treatment
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Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Cohort R-T or Cohort T-R: Descriptive analysis of biomarker Kirsten rat sarcoma 2 viral oncogene homolog (KRAS)
Time Frame: Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Biomarker B-Raf Proto-Oncogene (BRAF) and Mismatch Repair / Microsatellite instability (MMR/MSI) will be explored depending on data availability.
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Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Cohort R-T or Cohort T-R: Duration of sequential treatment
Time Frame: Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Cohort R-T or Cohort T-R: Proportion of patients receiving subsequent therapies
Time Frame: Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Cohort R-T or Cohort T-R: Type of subsequent therapies
Time Frame: Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Cohort R-T or Cohort T-R: Frequency of myelosuppression related medical interventions during sequential treatment
Time Frame: Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Myelosuppression related medical interventions [e.g., use of Granulocyte colony stimulating factors (G-CSF)]
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Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Cohort R-T or Cohort T-R: Frequency and incidence rate of neutropenia during sequential treatment
Time Frame: Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Cohort R-T or Cohort T-R: Number of patients with health care resource utilizations during sequential treatment
Time Frame: Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Health care resource utilizations includes office/hospital visit and lab visit.
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Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Cohort R-T or Cohort T-R: Overall survival of patients with Regorafenib followed by TAS-102 and vice versa in 3rd line treatment and 4th line treatment
Time Frame: Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Retrospective analysis period is from Jan 2015 to Sep 2022 (or 3 months prior to the latest data cutoff date)
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Collaborators and Investigators
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Digestive System Diseases
- Neoplasms
- Neoplasms by Site
- Gastrointestinal Neoplasms
- Digestive System Neoplasms
- Gastrointestinal Diseases
- Colonic Diseases
- Intestinal Diseases
- Intestinal Neoplasms
- Rectal Diseases
- Colorectal Neoplasms
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Antiviral Agents
- Antimetabolites
- Antineoplastic Agents
- Antineoplastic Agents, Immunological
- Angiogenesis Inhibitors
- Angiogenesis Modulating Agents
- Growth Substances
- Growth Inhibitors
- Bevacizumab
- Trifluridine
Other Study ID Numbers
- 22386
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Availability of this study's data will later be determined according to Bayer's commitment to the EFPIA/PhRMA "Principles for responsible clinical trial data sharing". This pertains to scope, timepoint and process of data access. As such, Bayer commits to sharing upon request from qualified researchers patient-level clinical trial data, study-level clinical trial data, and protocols from clinical trials in patients for medicines and indications approved in the US and EU as necessary for conducting legitimate research. This applies to data on new medicines and indications that have been approved by the EU and US regulatory agencies on or after January 01, 2014.
Interested researchers can use www.vivli.org to request access to anonymized patient-level data and supporting documents from clinical studies to conduct research. Information on the Bayer criteria for listing studies and other relevant information is provided in the member section of the portal.
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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