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| Study Type: | Interventional |
|---|---|
| Study Design: | Randomized, Open Label, Parallel Assignment |
| Conditions: |
Chronic Hepatitis C Cirrhosis, Liver Fibrosis, Liver Hepatic Cirrhosis |
| Interventions: |
Drug: Peginterferon alfa-2a + Ribavirin Drug: Peginterferon alfa-2a |
Participant Flow
| Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations |
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| Significant events and approaches for the overall study following participant enrollment, but prior to group assignment |
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| Description | |
|---|---|
| Peginterferon Alfa-2a 90 Mcg/Week | Treatment with Peginterferon alfa-2a 90 mcg administered once weekly for an additional 42 months |
| Standard of Care Followup | Stop any peginterferon alfa-2a/ribavirin therapy and followed prospectively for an additional 42 months without treatment |
| Peginterferon Alfa-2a 90 Mcg/Week | Standard of Care Followup | |
|---|---|---|
| STARTED | 517 | 533 |
| COMPLETED | 447[1] | 452[2] |
| NOT COMPLETED | 70 | 81 |
| Withdrew or lost to follow-up | 70 | 81 |
| [1] | 70 Withdrew or were lost to followup; 158 Discontinued peginterferon but were followed |
|---|---|
| [2] | 81 Withdrew or were lost to followup; 9 took peginterferon outside of protocol |
Baseline Characteristics
| Description | |
|---|---|
| Peginterferon Alfa-2a 90 Mcg/Week | Treatment with Peginterferon alfa-2a 90 mcg administered once weekly for an additional 42 months |
| Standard of Care Followup | Stop any peginterferon alfa-2a/ribavirin therapy and followed prospectively for an additional 42 months without treatment |
| Peginterferon Alfa-2a 90 Mcg/Week | Standard of Care Followup | Total | |
|---|---|---|---|
|
Number of Participants [units: participants] |
517 | 533 | 1050 |
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Age [units: participants] |
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| <=18 years | 0 | 0 | 0 |
| Between 18 and 65 years | 489 | 511 | 1000 |
| >=65 years | 28 | 22 | 50 |
|
Age [units: years] Mean ± Standard Deviation |
51.1 ± 7.3 | 50.1 ± 7.0 | 50.6 ± 7.2 |
|
Gender [units: participants] |
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| Female | 155 | 150 | 305 |
| Male | 362 | 383 | 745 |
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Region of Enrollment [units: participants] |
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| United States | 517 | 533 | 1050 |
Outcome Measures
| 1. Primary: | Progression of Liver Disease as Indicated by Death, Hepatic Decompensation, Hepatocellular Carcinoma, or for Patients With Noncirrhotic Fibrosis at Baseline, an Increase in the Ishak Hepatic Fibrosis Score of 2 or More Points [ 1400 days (3.85 years) post randomization ] |
| 2. Primary: | Increase in Ishak Fibrosis Score by 2 Points or More at 2 or 4 Year Biopsies [ 1400 days (3.85 years) post randomization ] |
| 3. Primary: | Death From Any Cause [ 1400 days (3.85 years) post randomization ] |
| 4. Primary: | Development of Hepatocellular Carcinoma (HCC) [ 1400 days (3.85 years) post randomization ] |
| 5. Primary: | Child-Turcotte-Pugh (CTP) Score of 7 or Higher at Two Consecutive Study Visits [ 1400 days (3.85 years) post randomization ] |
| 6. Primary: | Variceal Hemorrhage [ 1400 days (3.85 years) post randomization ] |
| 7. Primary: | Ascites [ 1400 days (3.85 years) post randomization ] |
| 8. Primary: | Spontaneous Bacterial Peritonitis [ 1400 days (3.85 years) post randomization ] |
| 9. Primary: | Hepatic Encephalopathy [ 1400 days (3.85 years) post randomization ] |
| 10. Secondary: | Serious Adverse Events [ 1400 days (3.85 years) post randomization ] |
More Information
| Principal Investigators are NOT employed by the organization sponsoring the study. |
| There is NOT an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed. |
| Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data |
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| No text entered. |
| Responsible Party: | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) ( James E. Everhart, MD, MPH, Project Officer ) |
| Study ID Numbers: | HALT C, N01-DK-9-2328, N01-DK-9-2328, N01-DK-9-2323, N01-DK-9-2324, N01-DK-2325, N01-DK-9-2326, N01-DK-9-2321, N01-DK-9-2327, N01-DK-9-2319, N01-9-2318, N01-DK-9-2320, N01-DK-9-2322 |
| Study First Received: | August 8, 2000 |
| Results First Received: | June 9, 2009 |
| Last Updated: | September 3, 2009 |
| ClinicalTrials.gov Identifier: | NCT00006164 History of Changes |
| Health Authority: | United States: Food and Drug Administration |