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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00331071
Other study ID # CR012025
Secondary ID BCDSP-01
Status Completed
Phase N/A
First received May 26, 2006
Last updated July 15, 2016
Start date April 2002
Est. completion date March 2006

Study information

Verified date July 2016
Source Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Contact n/a
Is FDA regulated No
Health authority United States: Institutional Review Board
Study type Observational

Clinical Trial Summary

The purpose of the study is to assess the occurrence of venous thromboembolism (blood clots), stroke, and heart attack in current users of ORTHO EVRA compared to current users of norgestimate-containing oral contraceptives with 35 mcg ethinyl estradiol with special attention to duration of use. The study uses data from the PharMetrics Patient-Centric Database and MarketScan database, which are US medical claims databases.


Description:

ORTHO EVRA is a newly developed transdermal (absorbed through the skin) contraceptive (birth control) system (a "patch") available in the U.S. since April 2002. The study uses data from the PHARMetrics and MarketScan databases to assess the occurrence of venous thromboembolism (blood clots), ischemic stroke (blockage of an artery that supplies blood to the brain), and acute myocardial infarction (heart attack) in current first time users of ORTHO EVRA compared to current first time users of norgestimate-containing oral (by mouth) contraceptives with 35 mcg ethinyl estradiol. The PHARMetrics database is an ongoing longitudinal database with information on about 17 million people. It is made up of data contributed by managed care plans in the United States and contains information on paid claims for pharmaceuticals, medical diagnoses and procedures, and demographic (age, race, etc) information. There will be 3 sets of cases reflecting women who have a first-time recorded claim for an ICD-9 (International Classification of Diseases , ninth revision) diagnosis during the study period (a) venous thrombosis or pulmonary embolism (blood clot in the lung) with hospitalization during the study period and who had subsequent claims for anticoagulant treatment, (b) ischemic stroke and who were hospitalized, (c) acute myocardial infarction or acute coronary revascularization (restoration of blood supply to the heart) and who were hospitalized. Three separate sets of controls (patients) will be identified for each outcome. One analysis will estimate the relative risk of idiopathic (of unknown cause) ischemic stroke or myocardial infarction, and another analysis will estimate the relative risk of idiopathic venous thromboembolism (deep vein thrombosis or pulmonary embolism). A specific analysis called a "Conditional logistic regression" (conditional on the matching factors) will be used in this study. Analyses will be stratified by calendar year. The analyses will be repeated including non-idiopathic (ie, of known cause) cases of venous thromboembolism, stroke, and heart attacks. The original study runs through March 2005, with updates to through August 2006, and October 2007. A transdermal patch containing 6 mg norelgestromin (NGM) and 0.75 mg ethinyl estradiol (EE) is worn for 1 week and replaced weekly for 3 consecutive weeks; the fourth week is patch-free. Monophasic (all pills have the same hormones at the same concentration) or triphasic (3 different pills are taken during the cycle) oral contraceptive pill is taken for 21 consecutive days followed by no pill or a drug-free pill for 7 days.


Recruitment information / eligibility

Status Completed
Enrollment 334
Est. completion date March 2006
Est. primary completion date March 2006
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Female
Age group 15 Years to 44 Years
Eligibility Inclusion Criteria:

- Users of Ortho Evra or first time users of norgestimate-containing oral contraceptives with 35 mcg ethinyl estradiol between April 1, 2002 and December 31, 2004, who are identified in the PHARMetrics database using the National Drug Code (NDC) assigned by the FDA and modified by Pharmetrics

- 6 months of enrollment in a health plan prior to the event date of their matched case

- Start of study contraceptive use after January 1, 2002

- Updates to the original study included users of Ortho Evra or first time users of norgestimate-containing oral contraceptives identified in the PHARMetrics database and a US healthcare claims database through August 2006 and October 2007

Exclusion Criteria:

- Patients with any ICD-9 code for cancer (except for non-melanoma skin cancer), renal failure, or chronic inflammatory disease

Study Design

Observational Model: Case Control, Time Perspective: Retrospective


Intervention

Drug:
Monophasic or triphasic Oral contraceptive tablet
fourth week is patch free
Ortho Evra transdermal patch containing 6 mg NGMN/0.75 mg EE
worn for 1 week and replaced for 3 consecutive weeks

Locations

Country Name City State
n/a

Sponsors (2)

Lead Sponsor Collaborator
Johnson & Johnson Pharmaceutical Research & Development, L.L.C. Boston Collaborative Drug Surveillance Program

References & Publications (1)

Jick SS, Kaye JA, Russmann S, Jick H. Risk of nonfatal venous thromboembolism in women using a contraceptive transdermal patch and oral contraceptives containing norgestimate and 35 microg of ethinyl estradiol. Contraception. 2006 Mar;73(3):223-8. Epub 20 — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary First-time recorded claim for a) venous thrombosis or pulmonary embolism with hospitalization and claims for anticoagulant treatment, b) ischemic stroke/hospitalized, c) acute myocardial infarction or acute coronary revascularization/hospitalized Throughout the study period Yes
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