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Hepatitis B clinical trials

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NCT ID: NCT01958229 Completed - Chronic Hepatitis B Clinical Trials

Efficacy Study of Telbivudine in Chronic Hepatitis B Patients

Start date: December 2009
Phase: N/A
Study type: Observational

This study is designed to support the optimal use of telbivudine by providing data to refine our understanding of telbivudine efficacy and resistance in real life clinical setting in patients with chronic hepatitis B with defined baseline characteristics and 24-week PCR negativity.

NCT ID: NCT01951677 Completed - Clinical trials for Exposure to Hepatitis B Virus

Safety and Efficacy Study of Adjuvanted Prophylactic Hepatitis B Vaccine

Start date: July 2013
Phase: Phase 1
Study type: Interventional

There is a need for more effective and better-tolerated hepatitis B vaccines for low responder high-risk populations including patients with renal impairment and/or diabetes mellitus and those aged over 40 years. Several approaches are available to enhance the potency of hepatitis B virus vaccines including use of the more highly immunogenic antigens, replacing alum with potentially more effective adjuvants, and increasing the dose of vaccine antigen. A combination of these strategies is being tested in this study to identify the most promising candidate approaches to take forward into advanced clinical development

NCT ID: NCT01948193 Completed - Hepatitis B Clinical Trials

Study of DTaP-IPV-Hep B-PRP~T Combined Vaccine in Indian Infants Previously Given a Dose of Hepatitis B Vaccine at Birth

Start date: February 2014
Phase: Phase 3
Study type: Interventional

The purpose of this study is to describe the immunogenicity and safety of a novel DTaP- IPV- Hep B-PRT~T fully liquid combined hexavalent vaccine (Hexaximâ„¢) administered at 6, 10 and 14 weeks of age in infants born to mothers documented to be serum anti-hepatitis B surface antigen (HBsAg) serology negative in India. Primary Objective: - To evaluate the immunogenicity of the study vaccine in terms of seroprotection [diphtheria toxoid, tetanus toxoid, poliovirus types 1, 2 and 3, Haemophilus influenzae type b (Hib) polysaccharide (PRP), hepatitis B (Hep B)] and vaccine response for pertussis antigens [pertussis toxoid (PT) and filamentous haemagglutinin (FHA)] one month after the third dose. Secondary Objectives: - To further describe the immunogenicity of the study vaccine, before the first dose and one month after the third dose. - To describe the safety after each and any doses of the study vaccine.

NCT ID: NCT01943799 Completed - Clinical trials for Chronic HBV Infection

Safety and Efficacy of GS-4774 for the Treatment of Chronic Hepatitis B

Start date: September 13, 2013
Phase: Phase 2
Study type: Interventional

The primary objectives of this study are to evaluate the safety and efficacy of GS-4774 in adults with chronic hepatitis B (CHB) viral infection who have been virally suppressed with an oral antiviral (OAV) medication.

NCT ID: NCT01940471 Completed - Clinical trials for HBeAg-positive Chronic Hepatitis B

Study to Compare Tenofovir Alafenamide (TAF) Versus Tenofovir Disoproxil Fumarate (TDF) in Participants With Chronic Hepatitis B Infection Who Are Positive for Hepatitis B e Antigen

Start date: September 11, 2013
Phase: Phase 3
Study type: Interventional

The primary objective of this study is to compare the efficacy, safety, and tolerability of tenofovir alafenamide (TAF) versus tenofovir disoproxil fumarate (TDF) in treatment-naive and treatment-experienced adults with hepatitis B e antigen (HBeAg)-positive chronic hepatitis B virus (HBV) infection.

NCT ID: NCT01940341 Completed - Clinical trials for HBeAg-negative Chronic Hepatitis B

Study to Compare Tenofovir Alafenamide (TAF) Versus Tenofovir Disoproxil Fumarate (TDF) in Participants With Chronic Hepatitis B Infection Who Are Negative for Hepatitis B e Antigen

Start date: September 12, 2013
Phase: Phase 3
Study type: Interventional

The primary objective of this study is to compare the efficacy, safety, and tolerability of tenofovir alafenamide (TAF) versus tenofovir disoproxil fumarate (TDF) in treatment-naive and treatment-experienced adults with hepatitis B e antigen (HBeAg)-negative chronic hepatitis B virus (HBV) infection.

NCT ID: NCT01935635 Completed - Chronic Hepatitis B Clinical Trials

A Clinical Trial on HB-Vac Activated-DCs Combined With Peg-IFN or NAs in CHB

Start date: January 2015
Phase: Phase 1/Phase 2
Study type: Interventional

The purpose of this study is to investigate whether HB-Vac Activated-DCs Combined With Peg-IFN or NAs has more efficacy than Peg-IFN or NAs alone in the treatment of chronic hepatitis B patients

NCT ID: NCT01931644 Completed - Breast Cancer Clinical Trials

At-Home Research Study for Patients With Autoimmune, Inflammatory, Genetic, Hematological, Infectious, Neurological, CNS, Oncological, Respiratory, Metabolic Conditions

Start date: July 2013
Phase:
Study type: Observational

We are the missing link in clinical trials, connecting patients and researchers seamlessly and conveniently using a mobile health platform to advance medical research. We make it easy for patients to contribute to research for medical conditions that matter most to them, regardless of their location or ability to travel.

NCT ID: NCT01928511 Completed - Chronic Hepatitis B Clinical Trials

Efficacy of Switching or Adding Pegylated Interferon in Chronic Hepatitis B Patients on Long Term Oral Antiviral Therapy

SWAP
Start date: January 2014
Phase: Phase 4
Study type: Interventional

Patients with Chronic Hepatitis B on long term oral antiviral therapy have to continue treatment indefinitely unless they achieve HBeAg seroconversion or HBsAg seroclearance, when therapy can be stopped. While HBeAg seroconversion is a more achievable endpoint, only 20-25% of patients develop this after one year of oral antiviral therapy. HBsAg seroclearance is universally infrequent. Strategies to improve these endpoints such as combination oral antiviral therapy have not been generally successful and recently studies have examined the possibility of switching or adding peginterferon therapy. However these have not been tested adequately in the group of patients that have been on long term oral antiviral therapy. Consequently this study was conceived to evaluate whether switching or adding peginterferon compared to continuing oral antiviral therapy are more efficacious strategies. HBeAg positive and HBeAg negative patients (n=310)will be randomised to continue oral antiviral therapy, switch or add pegylated interferon for 48 weeks in a ratio of 1:2:2 respectively. The study endpoints are HBsAg seroclearance, reduction of qHBsAg >1 log, qHBsAg<200 IU/ml, HBeAg loss and seroconversion, and HBV DNA suppression, all at week 72.

NCT ID: NCT01926288 Completed - Chronic Hepatitis B Clinical Trials

Efficacy and Safety of Entecavir Maleate Tablets in Chinese Patients With Hepatitis B

Start date: October 2008
Phase: Phase 4
Study type: Interventional

The purpose of this study is to evaluate the safety and efficacy of Entecavir maleate tablets in Chinese patients with hepatitis B