- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01098500
Liver Function Test (LFT) Elevations in Cancer Patients and Users of Tyrosine Kinase Inhibitor (TKI) Drugs
May 25, 2017 updated by: GlaxoSmithKline
Liver Function Test (LFT) Elevations in Cancer Patients and Users of Tyrosine Kinase Inhibitor (TKI) Drugs Using the LabRx Database
A retrospective cohort study using the LabRx medical claims database will be performed to address these objectives.
The primary objective of this project is to examine the background rates of liver function test (LFT) abnormalities in cancer patients treated with tyrosine kinase inhibitors (TKIs).
Study Overview
Detailed Description
Patients were not recruited for nor enrolled in this study.
This study is a retrospective observational study.
Data from medical records or insurance claims databases are anonymised and used to develop a patient cohort.
All diagnoses and treatment are recorded in the course of routine medical practice.
Study Type
Observational
Enrollment (Actual)
3800
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
Genders Eligible for Study
All
Sampling Method
Probability Sample
Study Population
Retrospective cohort study using the LabRx medical claims EMR database.
This database contains medical claims information including diagnoses, treatments, medications, and laboratory results for 23.3 million US residents.
The study cohort included adult patients (age ≥18 years) with any cancer diagnosed between October 1, 2004-June 1, 2009 who were treated with 1 one or more of the TKI agents-erlotinib, gefitinib, dasatinib, imatinib, nilotinib, or lapatinib.
The index date for this cohort was the date of first administration or prescription of the TKI agent on or following the date of the first cancer diagnosis.
Description
Inclusion Criteria:
- Adult (age ≥18 years) with at least two ICD-9 codes for a particular cancer (ICD-9 code 140-208.9) within a 6 month timeframe and at least one code for a TKI drug that occurs on or after the first cancer diagnosis code
- At least one month (30 days) of enrolment prior to index date and three months (91 days) of follow-up post index date; and
- Continuous enrolment in the LabRx database during follow-up.
Exclusion Criteria:
- Less than 18 years old
- Less than one month (30 days) of enrolment prior to index date or three months (91 days) of follow-up post index date; and
- Not continuously enrolled in the LabRx database during follow-up.
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 |
---|---|
Cancer patients
Adults (age ≥18 years) with at least two ICD-9 codes for a particular cancer within a 6 month timeframe and at least one code for a TKI drug that occurs on or after the first cancer diagnosis code
|
Lapatinib, erlotinib, gefitinib, dasatinib, imatinib, nilotinib (analyzed as a class of drugs, not by individual drug)
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Patients With ALT (Alanine Transaminase) >=3x (Times) Upper Limit of Normal (ULN)
Time Frame: Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Prevalence of patients with an ALT elevation >=3x ULN among patients who had liver function testing during the baseline period (30 days prior to initiation of TKI drug).
|
Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Incidence of ALT >=3x ULN
Time Frame: Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Number of patients with ALT >=3 times ULN among patients with a normal ALT measurement during the baseline period (30 days prior to initiation of TKI drug).
Normal is defined as an ALT <1 times ULN at baseline.
|
Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Number of Hy's Law Patients (ALT or AST >= 3x ULN and ALP <2x ULN and BIL >= 2x ULN)
Time Frame: Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Prevalence of patients with Hy's Law (ALT or AST >=3x ULN and ALP <2x ULN and BIL >=2x ULN, where AST = aspartate transaminase, ALP = alkaline phosphatase, BIL= bilirubin) among patients who had liver function testing during the baseline period (30 days prior to initiation of TKI drug).
|
Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Incidence of Hy's Law (ALT or AST >=3x ULN and ALP <2x ULN and BIL >=2x ULN)
Time Frame: Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Number of patients with Hy's Law (ALT or AST >= 3x ULN and ALP <2x ULN and BIL >= 2x ULN) among patients with normal ALT, AST, ALP, and BIL measurements during the baseline period (30 days prior to initiation of TKI drug).
Normal is defined as an ALT AST, ALP, and BIL <1 times ULN at baseline.
|
Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Maximum ALT Elevation Reached During Follow-up
Time Frame: Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Number of patients whose maximum ALT elevation fell within the indicated ULN range among patients with at least one incident ALT elevation during follow-up
|
Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Median Time to the Maximum ALT Elevation During Follow-up
Time Frame: Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Median time (in months) between index date and the date of maximum ALT elevation.
|
Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Maximum AST Elevation Reached During Follow-up
Time Frame: Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Number of patients whose maximum AST elevation fell within the indicated ULN range among patients with at least one incident AST elevation during follow-up
|
Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Median Time to the Maximum AST Elevation During Follow-up
Time Frame: Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Median time (in months) between index date and date of maximum AST elevation
|
Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Maximum ALP Elevation Reached During Follow-up
Time Frame: Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Number of patients whose maximum ALP elevation fell within the indicated ULN range among patients with at least one incident ALP elevation during follow-up
|
Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Median Time to the Maximum ALP Elevation During Follow-up
Time Frame: Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Median time (in months) between index date and date of maximum ALP elevation
|
Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Maximum BIL Elevation Reached During Follow-up
Time Frame: Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Number of patients whose maximum BIL elevations fell within the indicated ULN range among patients with at least one incident BIL elevation during follow-up
|
Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Median Time to the Maximum BIL Elevation During Follow-up
Time Frame: Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Median time (in months) between index date and date of maximum BIL elevation
|
Study period was October 1, 2004-June 30, 2009. Patients had at least 91 days of follow-up post index date.
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
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
February 1, 2009
Primary Completion (ACTUAL)
October 1, 2010
Study Completion (ACTUAL)
October 1, 2010
Study Registration Dates
First Submitted
April 1, 2010
First Submitted That Met QC Criteria
April 1, 2010
First Posted (ESTIMATE)
April 2, 2010
Study Record Updates
Last Update Posted (ACTUAL)
May 30, 2017
Last Update Submitted That Met QC Criteria
May 25, 2017
Last Verified
May 1, 2017
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- 113153
- WEUKSTV3635 (OTHER: GSK)
- EPI40661 (OTHER: GSK)
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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