- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03801538
The Optimizing Treatment of Peginterferon Alpha in Chronic Hepatitis B Patients With Low Level HBsAg
The Optimizing Treatment of Peginterferon Alpha in Chronic Hepatitis B Patients With Low Level HBsAg(I-Cure-3X)
HBeAg-negative chronic hepatitis B (CHB) patients with low Level HBsAg were enrolled. After giving informed consent, patients were treated with nucleoside analog(s) (NAs) once a day and weekly subcutaneous injections of peginterferon alfa-2a 180 micrograms/week or peginterferon alfa-2b 180 micrograms/week for 12 weeks. At week 12, the decrease of HBsAg was evaluated.
①If the decrease of HBsAg is more than 50% compared to baseline level. NAs was stopped, patients were treated with weekly subcutaneous injections of alfa-2a 180 micrograms/week or peginterferon alfa-2b 180 micrograms/week. Treatment endpoint was HBsAg loss(<0.05 IU/ mL). Depending on the decline of HBsAg level, treatment was either continued for a prolonged period (no more than 96 weeks) until the endpoint was achieved, or terminated in week 96. After treatment, all patients were followed up for 48 weeks.
②If the decrease of HBsAg is less than 50% compared to baseline level. The combination therapy of NAs and peginterferon alfa was extended to week 24. Then, the decrease of HBsAg was evaluated again.
If the decrease of HBsAg is more than 50% compared to baseline level. NAs was stopped, patients were treated with weekly subcutaneous injections of alfa-2a 180 micrograms/week or peginterferon alfa-2b 180 micrograms/week. Treatment endpoint was HBsAg loss(<0.05 IU/mL). Depending on the decline of HBsAg level, treatment was either continued for a prolonged period (no more than 96 weeks) until the endpoint was achieved, or terminated in week 96. After treatment, all patients were followed up for 48 weeks.
If the decrease of HBsAg is less than 50% compared to baseline level. Peginterferon alfa was stopped, patients were treated with NAs once a day and then followed up for 48 weeks.
Patients who maintained the original NAs treatment served as a control group.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
It is estimated that more than 400 million people are infected with hepatitis B virus (HBV) globally. HBeAg-negative CHB patients with low Level HBsAg were enrolled in the out-patient department of Third Affiliated Hospital of Sun Yat-sen University and Wuhan Union Hospital. All of them were HBsAg positive and anti-HBs negative for more than 6 months with HBV DNA<100 IU/mL and HBsAg levels <1000 IU/mL. All patients did not have other liver diseases and contraindications for interferon therapy. After giving informed consent, patients were treated with nucleoside analog(s) (NAs) once a day and weekly subcutaneous injections of peginterferon alfa-2a 180 micrograms/week or peginterferon alfa-2b 180 micrograms/week for 12 weeks. At week 12, the decrease of HBsAg was evaluated.
①If the decrease of HBsAg is more than 50% compared to baseline level. NAs was stopped, patients were treated with weekly subcutaneous injections of alfa-2a 180 micrograms/week or peginterferon alfa-2b 180 micrograms/week. Treatment endpoint was HBsAg loss(<0.05 IU/ mL). Depending on the decline of HBsAg level, treatment was either continued for a prolonged period (no more than 96 weeks) until the endpoint was achieved, or terminated in week 96. After treatment, all patients were followed up for 48 weeks.
②If the decrease of HBsAg is less than 50% compared to baseline level. The combination therapy of NAs and peginterferon alfa was extended to week 24. Then, the decrease of HBsAg was evaluated again.
If the decrease of HBsAg is more than 50% compared to baseline level. NAs was stopped, patients were treated with weekly subcutaneous injections of alfa-2a 180 micrograms/week or peginterferon alfa-2b 180 micrograms/week. Treatment endpoint was HBsAg loss(<0.05 IU/mL). Depending on the decline of HBsAg level, treatment was either continued for a prolonged period (no more than 96 weeks) until the endpoint was achieved, or terminated in week 96. After treatment, all patients were followed up for 48 weeks.
If the decrease of HBsAg is less than 50% compared to baseline level. Peginterferon alfa was stopped, patients were treated with NAs once a day and then followed up for 48 weeks.
The use of other immune suppressive or regulatory drugs and other antiviral drugs was prohibited during the course of the study. In this study, HBsAg loss(<0.05 IU/mL) was defined as treatment endpoint. Anti-HBs positive(>10 milli-International unit)(mIU/mL) was defined as seroconversion.
Patients who maintained the original NAs treatment served as a control group.
Study Type
Enrollment (Anticipated)
Phase
- Phase 4
Contacts and Locations
Study Locations
-
-
Guangdong
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Guangzhou, Guangdong, China, 510630
- Department of Infectious Diseases, The Third Affliated Hospital of Sun Yat-sen University
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- CHB patients who had received NAs for more than 12 months.
- Hepatitis B e antigen (HBeAg)-negative.
- Hepatitis B surface antigen (HBsAg) positive and <1000 IU/mL.
- Hepatitis B virus DNA <100 IU/mL.
Exclusion Criteria:
- Patients with liver cirrhosis, Hepatocellular Carcinoma or alpha feto protein (AFP) >2 upper limit of normal(ULN) or other malignancies.
- Patients with other factors causing liver diseases.
- Pregnant and lactating women.
- Patients with concomitant HIV infection or congenital immune deficiency diseases.
- Patients with diabetes, autoimmune diseases.
- Patients with important organ dysfunctions.
- Patients with serious complications (e.g., infection, hepatic encephalopathy, hepatorenal syndrome, gastrointestinal bleeding.)
- Patients who receive antineoplastic or immunomodulatory therapy in the past 12 months.
- Patients who can't come back to clinic for follow-up on schedule.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: PEG-IFN group
patients were treated with NAs once a day and PEG-IFN once a week for 12 weeks. At week 12, the decrease of HBsAg was evaluated. ①If the decrease of HBsAg is more than 50%. NAs was stopped. PEG-IFN Treatment was continued for a prolonged period (no more than 96 weeks) until the endpoint was achieved, or terminated in week 96. ②If the decrease of HBsAg is less than 50%.NAs and PEG-IFN was extended to week 24. Then, If the decrease of HBsAg is more than 50%. NAs was stopped, PEG-IFN Treatment was continued for a prolonged period (no more than 96 weeks) until the endpoint was achieved, or terminated in week 96. If the decrease of HBsAg is less than 50%. PEG-IFN was stopped, patients were treated with NAs once a day and then followed up for 48 weeks. |
Peginterferon Alfa-2A 180 micrograms/week or Peginterferon Alfa-2B 180 micrograms/week, for at most 96 weeks.
Other Names:
|
Other: NAs group
CHB patients do not need to change their NAs treatment.
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Patients do not need to change their NAs treatment.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
HBsAg Clearance
Time Frame: 96 weeks
|
Participants with HBsAg <0.05 IU/mL.
|
96 weeks
|
HBsAg Seroconversion
Time Frame: 96 weeks
|
Participants with HBsAg <0.05 IU/mL and anti-HBsAg positive
|
96 weeks
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Zhiliang Gao, Third Affiliated Hospital, Sun Yat-Sen University
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Digestive System Diseases
- RNA Virus Infections
- Virus Diseases
- Infections
- Blood-Borne Infections
- Communicable Diseases
- Liver Diseases
- Hepatitis, Viral, Human
- Hepadnaviridae Infections
- DNA Virus Infections
- Enterovirus Infections
- Picornaviridae Infections
- Hepatitis B
- Hepatitis
- Hepatitis A
- Hepatitis B, Chronic
- Hepatitis, Chronic
Other Study ID Numbers
- I-Cure-3X
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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