11 studies were found.

1.		Recruiting	Lamivudine and Adefovir to Treat Chronic Hepatitis B Conditions: HBV; Hepatitis B; Hepatitis; Liver
2.		Recruiting	Safety and Efficacy of Adefovir Dipivoxil in Children and Adolescents with Chronic Hepatitis B Condition: Chronic Hepatitis B
3.		Recruiting	An Open-Label Program of Adefovir Dipivoxil in the Treatment of Patients with Lamivudine-Resistant Chronic Hepatitis B With Limited Treatment Options Condition: Chronic Hepatitis B
4.		Recruiting	Frequency of Parenteral and Non-Parenteral Exposures to Blood Among Healthcare Workers at the Clinical Center, NIH and at Seven Academic Hospitals in Japan Conditions: Hepatitis B; Hepatitis C; HIV Infection
5.		Recruiting	Telbivudine versus Lamivudine in Adults with Decompensated Chronic Hepatitis B and Evidence of Cirrhosis Conditions: Hepatitis; Hepatitis B, Chronic; Cirrhosis
6.		Recruiting	Evaluate Efficacy, Safety and PK of Adefovir Dipivoxil Liquid Suspension in Patients with Chronic Hepatitis B Condition: Chronic Hepatitis B
7.		Recruiting	Randomized, Double Blind Trial of LdT (Telbivudine) versus Lamivudine in Adults with Compensated Chronic Hepatitis B Condition: Chronic Hepatitis B
8.		Recruiting	Comparison of Entecavir to Adefovir in chronic HBV patients with hepatic decompensation Condition: Hepatitis B
9.		Recruiting	Prevention of Recurrent Hepatitis B after Liver Transplantation Conditions: Hepatitis B; Cirrhosis; Acute Liver Failure; Hepatocellular Carcinoma
10.		Recruiting	Vitamin A Supplementation in Preterm Infants Condition: Infant, Premature
11.		Recruiting	Effects on the Immune System of Anti-HIV Drugs in Patients Recently Infected with HIV Condition: HIV Infections