Post Marketing Observational Study of Retreatment of Chronic Hepatitis C With Peginterferon Alpha and Ribavirin (Study P06011) (POMOSCH)

November 14, 2014 updated by: Merck Sharp & Dohme LLC

Post Marketing Observational/Non-Interventional Study Of Retreatment Of Chronic Hepatitis C With Peginterferon Alpha And Ribavirin

To study retreatment in patients who failed prior treatment with interferon alpha (pegylated or non-pegylated) with or without ribavirin in a real-life setting in an observational/noninterventional study.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

This is an observational/non interventional study to collect data on the patient characteristics of those seeking retreatment as well as safety and efficacy information during the first 12 weeks of retreatment.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
963

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

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years and older (ADULT, OLDER_ADULT)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Patients who failed prior treatment with interferon alpha (pegylated or non-pegylated) with or without ribavirin

Description

Inclusion Criteria:

  • Chronic hepatitis C of any genotype;
  • Prior treatment with interferon alpha (pegylated or non-pegylated) with or without ribavirin did not result in a sustained virological response;
  • Inclusion criteria listed on the approved label in each country;
  • Willingness of the patient to participate and sign the Informed Consent Form.

Exclusion Criteria:

  • Patient exclusion from this observational/non-interventional study will be determined by the treating physician and will be based on the local label in each country.

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

Group / Cohort

A group or subgroup of participants in an observational study that is assessed for biomedical or health outcomes.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Peginterferon alpha and ribavirin
Peginterferon alpha and ribavirin will be administered at the discretion of the treating physician, in accordance per label according to local guidelines for all participating countries.
Biological: Peginterferon alpha
Peginterferon alpha given in combination with ribavirin according to local labeling guidelines
Other Names:
  • SCH 054031
  • MK-4031
  • PegIntron
Drug: Ribavirin
Ribavirin given in combination with peginterferon alpha according to local labeling guidelines
Other Names:
  • Rebetol
  • SCH 018908
  • MK-8908

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Incidence of Serious Adverse Events (SAEs) and/or Clinically Significant Adverse Events (AEs)
Time Frame: Up to 12 Weeks
An AE was any untoward medical occurrence in a participant administered a medicinal product which did not necessarily have a causal relationship to the treatment. All AEs reported in the study were judged by the investigator to be clinically significant. An SAE was any adverse drug experience that resulted in death, was life-threatening, caused or prolonged hospitalization, caused persistent or significant disability or incapacity, caused a congenital anomaly or birth defect, or may have required medical or surgical intervention to prevent one of these outcomes.
Up to 12 Weeks
Incidence of Thrombocytopenia
Time Frame: Up to 12 Weeks
Thrombocytopenia is a low blood platelet count
Up to 12 Weeks
Incidence of Treatment Discontinuations Due to Adverse Events
Time Frame: Up to 12 Weeks
All treatment discontinuations due to an AE were reported. See Outcome Measure 1 for definition of AEs.
Up to 12 Weeks
Incidence of Particular Adverse Events Resulting in Treatment Discontinuation
Time Frame: Up to 12 Weeks

All treatment discontinuations due to particular AEs were reported. These discontinuations included treatment stopped (TS) and dose reduced followed by treatment stopped (DR/TS).

The particular AE evaluated were anemia (low red blood cells), leucopenia (low white blood cells), neutropenia (low blood neutrophils), thrombocytopenia (low blood platelets), esophageal varices (dilated veins in lower esophagus), splenomegaly (enlarged spleen), portal hypertensive gastropathy (changes in stomach mucosa), and hepatomegaly (enlarged liver)
Up to 12 Weeks
Incidence of Dose Modifications Due to Adverse Events
Time Frame: Up to 12 Weeks
All dose modifications due to an AE were reported. See Outcome Measure 1 for definition of AEs.
Up to 12 Weeks

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Proportion of Participants Who Achieve Undetectable Hepatitis C Virus Ribonucleic Acid (HCV-RNA)
Time Frame: Week 12
Participant's blood was tested for HCV-RNA by quantitative polymerase chain reaction. The limit of detection for the assay was 50 IU/mL.
Week 12

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Merck Sharp & Dohme LLC

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

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
June 1, 2009

Primary Completion (ACTUAL)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
October 1, 2011

Study Completion (ACTUAL)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
October 1, 2011

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
April 1, 2010

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
April 1, 2010

First Posted (ESTIMATE)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
April 2, 2010

Study Record Updates

Last Update Posted (ESTIMATE)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
November 26, 2014

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
November 14, 2014

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
November 1, 2014

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • P06011

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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