A Study to Evaluate the Safety and Effectiveness of Epoetin Alfa Versus Placebo in Facilitating the Presurgical Collection of Blood to be Used for Self-donation During Surgery on the Spine, Hip, or Knee.
May 17, 2011 updated by: Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
A Double-Blind, Placebo-Controlled Study to Determine the Safety and Efficacy of Multiple Doses of R-HuEPO in Facilitating Presurgical Autologous Blood Donation
The purpose of this study is to evaluate the safety and effectiveness of epoetin alfa at doses of 150, 300, or 600 units per kilogram of body weight versus placebo in facilitating presurgical collection of blood for self-donation during surgery of the knee, hip or spine.
Epoetin alfa is a genetically engineered protein that stimulates red blood cell production.
Study Overview
Status
Completed
Intervention / Treatment
Detailed Description
Major surgical procedures may require transfusion of several units of blood.
Blood transfusions from other people may be associated with transfusion reactions that cause fever or with viral infections that can be carried (and donated) in blood.
However, self-donations of blood may cause anemia in a patient who will be undergoing surgery a few weeks later.
Previous research with epoetin alfa suggests that epoetin alfa speeds up the rate of red blood cell production and has a beneficial effect on anemia.
This randomized, double-blind, placebo-controlled, multicenter study is designed to determine whether treating patients with epoetin alfa will stimulate a person's bone marrow to produce red blood cells and therefore increase a patient's ability to self-donate blood prior to major surgery for joint diseases.
Patients will be randomly assigned to receive 150, 300, or 600 units of epoetin alfa per kilogram of body weight, or matching placebo, injected into a vein on the first study day, and every 3 to 4 days thereafter for 21 days.
Effectiveness will be determined by the number of units of blood that can be donated by patients during the study, the number of units of non-self-donated blood used during surgery, the total red cell volume of the self-donated blood, the total red cell production, and the percentage of sub-standard units of blood that are self-donated.
Safety evaluations including the incidence of adverse events, physical examinations, and clinical laboratory tests will be performed throughout the study.
The study hypothesis is that patients treated with epoetin alfa will be able to donate more units of blood than those patients who receive placebo.
Epoetin alfa, 150, 300, or 600 units per kilogram of body weight, or placebo, injected into a vein every three to four days for 21 days (6 doses) during the period before surgery.
Study Type
Interventional
Enrollment (Actual)
17
Phase
- Phase 3
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
12 years and older (Child, Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Patients scheduled for surgery on the knee, hip, or spine between 25 and 35 days after starting epoetin alfa therapy
- having a hematocrit (percentage of red cells in the blood) of >39 percent and <=50 percent
- in good general health
Exclusion Criteria:
- Patients having a history of any primary blood disease
- having a history of artery blockage in the heart, body or brain, or a history of seizures
- having uncontrolled high blood pressure, a folate deficiency, vitamin B12 deficiency or iron deficiency anemia, active inflammatory disease (except osteoarthritis or rheumatoid arthritis) or a disease that destroys blood cells
- losing blood from the stomach, intestines or elsewhere in the body
- having received therapy with any drug known to affect red blood cell formation (such as chemotherapy for cancer)
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
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
|---|
|
Number of units of units of blood donated by the patient; Number of units of donor blood transfused during surgery; Total red cell volume and percentage in self-donated blood; Percentage of sub-standard units of blood self-donated
|
Secondary Outcome Measures
Outcome Measure |
|---|
|
Percentage in each treatment group of patients requiring blood donated by others; Safety evaluations including the incidence of adverse events
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
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.
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
September 1, 1989
Study Completion (Actual)
August 1, 1991
Study Registration Dates
First Submitted
December 22, 2005
First Submitted That Met QC Criteria
December 22, 2005
First Posted (Estimate)
December 26, 2005
Study Record Updates
Last Update Posted (Estimate)
May 18, 2011
Last Update Submitted That Met QC Criteria
May 17, 2011
Last Verified
February 1, 2011
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- CR005920
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