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Long Term Interferon for Patients Who Did Not Clear Hepatitis C Virus With Standard Treatment (HALT-C)
This study is ongoing, but not recruiting participants.
Study NCT00006164   Information provided by National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
First Received: August 8, 2000   Last Updated: September 3, 2009   History of Changes
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
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Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
No text entered.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
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Reporting Groups
  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

Participant Flow:   Overall Study
  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
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Reporting Groups
  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

Baseline Measures
  Peginterferon Alfa-2a 90 Mcg/Week Standard of Care Followup Total
Number of Participants  
[units: participants]
517 533 1050
Age  
[units: participants]
     
<=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]
     
Female 155 150 305
Male 362 383 745
Region of Enrollment  
[units: participants]
     
United States 517 533 1050



  Outcome Measures
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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

2.  Primary:   Increase in Ishak Fibrosis Score by 2 Points or More at 2 or 4 Year Biopsies

3.  Primary:   Death From Any Cause

4.  Primary:   Development of Hepatocellular Carcinoma (HCC)

5.  Primary:   Child-Turcotte-Pugh (CTP) Score of 7 or Higher at Two Consecutive Study Visits

6.  Primary:   Variceal Hemorrhage

7.  Primary:   Ascites

8.  Primary:   Spontaneous Bacterial Peritonitis

9.  Primary:   Hepatic Encephalopathy

10.  Secondary:   Serious Adverse Events


  Serious Adverse Events
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  Other Adverse Events
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  More Information
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Certain Agreements:  
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 and Caveats
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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Results Point of Contact:  
Name/Title: James E. Everhart, MD, MPH, Project Officer
Organization: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
phone: 301-594-8878
e-mail: EverhartJ@extra.niddk.nih.gov


Publications of Results:
Other Publications:
Publications automatically indexed to this study:

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