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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
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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   [ 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 ]


  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
No text entered.  


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:
Freedman ND, Everhart JE, Lindsay KL, Ghany MG, Curto TM, Shiffman ML, Lee WM, Lok AS, Di Bisceglie AM, Bonkovsky HL, Hoefs JC, Dienstag JL, Morishima C, Abnet CC, Sinha R; HALT-C Trial Group. Coffee intake is associated with lower rates of liver disease progression in chronic hepatitis C. Hepatology. 2009 Nov;50(5):1360-9.
Everhart JE, Lok AS, Kim HY, Morgan TR, Lindsay KL, Chung RT, Bonkovsky HL, Ghany MG; HALT-C Trial Group. Weight-related effects on disease progression in the hepatitis C antiviral long-term treatment against cirrhosis trial. Gastroenterology. 2009 Aug;137(2):549-57. Epub 2009 May 13.
Lok AS, Everhart JE, Chung RT, Kim HY, Everson GT, Hoefs JC, Greenson JK, Sterling RK, Lindsay KL, Lee WM, Di Bisceglie AM, Bonkovsky HL, Ghany MG, Morishima C; HALT-C Trial Group. Evolution of hepatic steatosis in patients with advanced hepatitis C: results from the hepatitis C antiviral long-term treatment against cirrhosis (HALT-C) trial. Hepatology. 2009 Jun;49(6):1828-37.
Lok AS, Seeff LB, Morgan TR, di Bisceglie AM, Sterling RK, Curto TM, Everson GT, Lindsay KL, Lee WM, Bonkovsky HL, Dienstag JL, Ghany MG, Morishima C, Goodman ZD; HALT-C Trial Group. Incidence of hepatocellular carcinoma and associated risk factors in hepatitis C-related advanced liver disease. Gastroenterology. 2009 Jan;136(1):138-48. Epub 2008 Sep 18.
Lindsay KL, Morishima C, Wright EC, Dienstag JL, Shiffman ML, Everson GT, Lok AS, Bonkovsky HL, Lee WM, Morgan TR, Ghany MG; HALT-C Trial. Blunted cytopenias and weight loss: new correlates of virologic null response to re-treatment of chronic hepatitis C. Clin Gastroenterol Hepatol. 2008 Feb;6(2):234-41.


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