Hepatitis, Viral, HumanNCT00005339
Risk of Post Transfusion Hepatitis C Virus Infection
An observational study of Hepatitis, Viral, Human and Blood Transfusion, run by National Heart, Lung, and Blood Institute (NHLBI).
Trial summary
To determine the risk of transfusion-transmitted hepatitis C virus (HCV) in cardiac surgery patients before and after donor screening for anti-HCV and surrogate markers of non-A, non-B hepatitis (NANBH). Read more about this study
- Who is it for?
- Ages Up to 100 years, men only
- Conditions the study is for
- Hepatitis, Viral, Human, Blood Transfusion, Blood Donors
- How many people
- Not given
- Where
- No sites listed yet
- Study dates
- Feb 1992to Apr 2004
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages Up to 100 years
- Men only
- No healthy volunteers
- Child, Adult, Older adult
No eligibility criteria
About this study
To determine the risk of transfusion-transmitted hepatitis C virus (HCV) in cardiac surgery patients before and after donor screening for anti-HCV and surrogate markers of non-A, non-B hepatitis (NANBH). Also, to characterize donors who were HCV seronegative and who lacked surrogate markers at the time of donation, but whose recipient seroconverted to HCV.
Read the detailed description
BACKGROUND:
In the early 1990s, posttransfusion NANBH, mainly caused by HCV, was the most common serious complication of transfusions, occurring in 2-5 percent of transfusion recipients. About 50 percent of those infected developed chronic hepatitis, of whom, 10 to 20 percent developed cirrhosis. Hepatocellular carcinoma had been reported to occur in some. This study provided the first evaluation of the effectiveness of donor screening for anti-HCV by the then recently licensed HCV antibody test and surrogate markers of NANBH. It also provided a precise estimate of the risk of transfusion-transmitted HCV. The results allowed examination of risk factors for HCV infected donors who were seronegative at the time of donation.
DESIGN NARRATIVE:
The study was a nonconcurrent prospective, seroepidemiologic study. To estimate the incidence of HCV infection, six-month postoperative serum samples were tested for antibody to HCV. Preoperative samples corresponding to positive postoperative sera were also tested. The donors of a patient who received blood screened for HCV, i.e., a donation since May, 1990, and seroconverted in the six months since transfusion were located and retested for antibodies to HCV. The donors were administered a questionnaire designed to ascertain risk factors for HCV infection. A sample of donors who were HCV positive at the time of donation were given the same questionnaire. Comparison of these three groups of donors (i.e., seropositives, donors tested negative but implicated in seroconversion, seronegatives) allowed an investigation of factors associated with false negative screening results. Analytical methods included standard methods for contingency tables and both conditional and unconditional logistic regression.
The study completion date listed in this record was obtained from the "End Date" entered in the Protocol Registration and Results System (PRS) record.
- Conditions
- Hepatitis, Viral, Human, Blood Transfusion, Blood Donors
- Medical subject headings
- Hepatitis, Viral, Human
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted26 May 2000 (estimated)
- Study startFeb 1992
- Study completionApr 2004
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Hepatitis, Viral, HumanStudies of the same condition, open and under way.
- More trials run by National Heart, Lung, and Blood Institute (NHLBI)The sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
Sponsor and investigators
- Sponsor type
- US National Institutes of Health
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00005339
- Sponsor's protocol ID
- 4201
- Other IDs
- R01HL045333
- Status last verified
- Jun 2000
- First submitted
- 25 May 2000
- Last updated
- 18 Feb 2016
- Results posted
- No
Publications
Donahue JG, Munoz A, Ness PM, Brown DE Jr, Yawn DH, McAllister HA Jr, Reitz BA, Nelson KE. The declining risk of post-transfusion hepatitis C virus infection. N Engl J Med. 1992 Aug 6;327(6):369-73. doi: 10.1056/NEJM199208063270601.
PubMed 1320736
Study at a glance
From the registry record, last updated by the sponsor on 18 Feb 2016. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Risk of Post Transfusion Hepatitis C Virus Infection
- ClinicalTrials.gov ID
- NCT00005339
- Acronym / sponsor ID
- 4201
- Conditions
- Hepatitis, Viral, Human, Blood Transfusion, Blood Donors
- Study type
- Observational
- Recruitment status
- Completed
- Lead sponsor
- National Heart, Lung, and Blood Institute (NHLBI)US National Institutes of Health
- Study start
- Feb 1992
- Study completion
- Apr 2004 (actual)
- First posted
- 26 May 2000 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
To determine the risk of transfusion-transmitted hepatitis C virus (HCV) in cardiac surgery patients before and after donor screening for anti-HCV and surrogate markers of non-A, non-B hepatitis (NANBH). Also, to characterize donors who were HCV seronegative and who lacked surrogate markers at the time of donation, but whose recipient seroconverted to HCV.
Detailed description
BACKGROUND:
In the early 1990s, posttransfusion NANBH, mainly caused by HCV, was the most common serious complication of transfusions, occurring in 2-5 percent of transfusion recipients. About 50 percent of those infected developed chronic hepatitis, of whom, 10 to 20 percent developed cirrhosis. Hepatocellular carcinoma had been reported to occur in some. This study provided the first evaluation of the effectiveness of donor screening for anti-HCV by the then recently licensed HCV antibody test and surrogate markers of NANBH. It also provided a precise estimate of the risk of transfusion-transmitted HCV. The results allowed examination of risk factors for HCV infected donors who were seronegative at the time of donation.
DESIGN NARRATIVE:
The study was a nonconcurrent prospective, seroepidemiologic study. To estimate the incidence of HCV infection, six-month postoperative serum samples were tested for antibody to HCV. Preoperative samples corresponding to positive postoperative sera were also tested. The donors of a patient who received blood screened for HCV, i.e., a donation since May, 1990, and seroconverted in the six months since transfusion were located and retested for antibodies to HCV. The donors were administered a questionnaire designed to ascertain risk factors for HCV infection. A sample of donors who were HCV positive at the time of donation were given the same questionnaire. Comparison of these three groups of donors (i.e., seropositives, donors tested negative but implicated in seroconversion, seronegatives) allowed an investigation of factors associated with false negative screening results. Analytical methods included standard methods for contingency tables and both conditional and unconditional logistic regression.
The study completion date listed in this record was obtained from the "End Date" entered in the Protocol Registration and Results System (PRS) record.
Study design
Who may qualify
- Ages
- Up to 100 years
- Sex
- Male only
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult, Older adult
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Not reported in the source record.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 18 Feb 2016.
- Background: PubMed 1320736Donahue JG, Munoz A, Ness PM, Brown DE Jr, Yawn DH, McAllister HA Jr, Reitz BA, Nelson KE. The declining risk of post-transfusion hepatitis C virus infection. N Engl J Med. 1992 Aug 6;327(6):369-73. doi: 10.1056/NEJM199208063270601.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
Questions about this trial
What is this clinical trial studying?
An observational study of Hepatitis, Viral, Human and Blood Transfusion, run by National Heart, Lung, and Blood Institute (NHLBI).
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 18 Feb 2016. Status can change between updates, so confirm with the study contact before making plans.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00005339, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 18 Feb 2016.