Trial Outcomes & Findings for Effects of Telbivudine and Tenofovir Disoproxil Fumarate Treatment on the Hepatitis B Virus DNA Kinetics in CHB (NCT NCT00805675)

NCT ID: NCT00805675

Last Updated: 2012-02-28

Results Overview

Baseline HBV DNA is defined as the last pre-dose assessment of HBV DNA. Serum HBV DNA determinations were performed at a central laboratory through use of the COBAS TaqMan™ HBV DNA assay (Roche Molecular Systems, Pleasanton, CA, USA) which utilized the Real-time polymerase chain reaction (PCR) method and automated extraction by Cobas Ampliprep (threshold for detection 12 IU/mL). The Screening serum HBV DNA values must be ≥ 7 log10 copies/mL by COBAS TaqMan™ HBV DNA assay.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

83 participants

Primary outcome timeframe

Baseline, Week 12

Results posted on

2012-02-28

Participant Flow

83 participants signed informed consent. 36 patients were not recruited. 32 patients failed inclusion/exclusion criteria and 4 withdrew consent. 47 participants were eligible and recruited.

Out of a total enrollment of 47 participants, 1 participant withdrew consent before being randomized into treatment.

Participant milestones

Participant milestones
Measure
Telbivudine 600 mg Monotherapy
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Tenofovir Disproxil Fumarate 300 mg Monotherapy
All patients in this arm were randomized to receive Tenofovir disoproxil fumarate 300 mg(equivalent to tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Telbivudine 600 mg and Tenofovir 300 mg
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD and Tenofovir (TDF) 300 mg (equivalent to Tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Overall Study
STARTED
16
14
16
Overall Study
COMPLETED
16
14
15
Overall Study
NOT COMPLETED
0
0
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Telbivudine 600 mg Monotherapy
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Tenofovir Disproxil Fumarate 300 mg Monotherapy
All patients in this arm were randomized to receive Tenofovir disoproxil fumarate 300 mg(equivalent to tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Telbivudine 600 mg and Tenofovir 300 mg
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD and Tenofovir (TDF) 300 mg (equivalent to Tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Overall Study
Adverse Event
0
0
1

Baseline Characteristics

Effects of Telbivudine and Tenofovir Disoproxil Fumarate Treatment on the Hepatitis B Virus DNA Kinetics in CHB

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Telbivudine 600 mg Monotherapy
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Tenofovir Disproxil Fumarate 300 mg Monotherapy
n=14 Participants
All patients in this arm were randomized to receive Tenofovir disoproxil fumarate 300 mg(equivalent to tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Telbivudine 600 mg and Tenofovir 300 mg
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD and Tenofovir (TDF) 300 mg (equivalent to Tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Total
n=46 Participants
Total of all reporting groups
Age Continuous
28.0 years
STANDARD_DEVIATION 7.58 • n=5 Participants
27.3 years
STANDARD_DEVIATION 4.94 • n=7 Participants
28.9 years
STANDARD_DEVIATION 5.55 • n=5 Participants
28.1 years
STANDARD_DEVIATION 6.07 • n=4 Participants
Sex: Female, Male
Female
7 Participants
n=5 Participants
5 Participants
n=7 Participants
10 Participants
n=5 Participants
22 Participants
n=4 Participants
Sex: Female, Male
Male
9 Participants
n=5 Participants
9 Participants
n=7 Participants
6 Participants
n=5 Participants
24 Participants
n=4 Participants
Region of Enrollment
China
16 participants
n=5 Participants
14 participants
n=7 Participants
16 participants
n=5 Participants
46 participants
n=4 Participants

PRIMARY outcome

Timeframe: Baseline, Week 12

Population: The Intent to Treat (ITT) data set consisted of the participants that had been randomized and had taken the investigational drug at least once.

Baseline HBV DNA is defined as the last pre-dose assessment of HBV DNA. Serum HBV DNA determinations were performed at a central laboratory through use of the COBAS TaqMan™ HBV DNA assay (Roche Molecular Systems, Pleasanton, CA, USA) which utilized the Real-time polymerase chain reaction (PCR) method and automated extraction by Cobas Ampliprep (threshold for detection 12 IU/mL). The Screening serum HBV DNA values must be ≥ 7 log10 copies/mL by COBAS TaqMan™ HBV DNA assay.

Outcome measures

Outcome measures
Measure
Telbivudine 600 mg Monotherapy
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Tenofovir Disproxil Fumarate 300 mg Monotherapy
n=14 Participants
All patients in this arm were randomized to receive Tenofovir disoproxil fumarate 300 mg(equivalent to tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Telbivudine 600 mg and Tenofovir 300 mg
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD and Tenofovir (TDF) 300 mg (equivalent to Tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Change in Hepatitis B Virus (HBV) Deoxyribonucleic Acid (DNA) Level From Baseline to Week 12.
-3.852 log10 copies/mL
Standard Deviation 0.9330
-4.175 log10 copies/mL
Standard Deviation 0.7476
-4.374 log10 copies/mL
Standard Deviation 0.9774

SECONDARY outcome

Timeframe: Baseline, Week 2, Week 4, Week 8

Population: The Intent to Treat (ITT) data set consisted of the participants that had been randomized and had taken the investigational drug at least once.

Baseline HBV DNA is defined as the last pre-dose assessment of HBV DNA. Serum HBV DNA determinations were performed at a central laboratory through use of the COBAS TaqMan™ HBV DNA assay (Roche Molecular Systems, Pleasanton, CA, USA) which utilized the Real-time polymerase chain reaction (PCR) method and automated extraction by Cobas Ampliprep (threshold for detection 12 IU/mL). The Screening serum HBV DNA values must be ≥ 7 log10 copies/mL by COBAS TaqMan™ HBV DNA assay.

Outcome measures

Outcome measures
Measure
Telbivudine 600 mg Monotherapy
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Tenofovir Disproxil Fumarate 300 mg Monotherapy
n=14 Participants
All patients in this arm were randomized to receive Tenofovir disoproxil fumarate 300 mg(equivalent to tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Telbivudine 600 mg and Tenofovir 300 mg
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD and Tenofovir (TDF) 300 mg (equivalent to Tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Change in Hepatitis B Virus (HBV) Deoxyribonucleic Acid (DNA) Level From Baseline to Weeks 2, 4 and 8.
Week 2
-2.657 log10 copies/mL
Standard Deviation 0.6683
-2.541 log10 copies/mL
Standard Deviation 0.4876
-2.689 log10 copies/mL
Standard Deviation 0.5951
Change in Hepatitis B Virus (HBV) Deoxyribonucleic Acid (DNA) Level From Baseline to Weeks 2, 4 and 8.
Week 4
-2.985 log10 copies/mL
Standard Deviation 0.8019
-3.060 log10 copies/mL
Standard Deviation 0.6230
-3.225 log10 copies/mL
Standard Deviation 0.8149
Change in Hepatitis B Virus (HBV) Deoxyribonucleic Acid (DNA) Level From Baseline to Weeks 2, 4 and 8.
Week 8
-3.474 log10 copies/mL
Standard Deviation 0.8829
-3.621 log10 copies/mL
Standard Deviation 0.6737
-3.845 log10 copies/mL
Standard Deviation 0.849

SECONDARY outcome

Timeframe: Week 12

Population: The Intent to Treat (ITT) data set consisted of the participants that had been randomized and had taken the investigational drug at least once. (1 pat DNA\<169 cps/ml)

Polymerase Chain Reaction (PCR) Negative is defined as HBV DNA levels \<25 copies/ml.

Outcome measures

Outcome measures
Measure
Telbivudine 600 mg Monotherapy
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Tenofovir Disproxil Fumarate 300 mg Monotherapy
n=14 Participants
All patients in this arm were randomized to receive Tenofovir disoproxil fumarate 300 mg(equivalent to tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Telbivudine 600 mg and Tenofovir 300 mg
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD and Tenofovir (TDF) 300 mg (equivalent to Tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Percentage of Patients Who Are Polymerase Chain Reaction(PCR)Negative at Week 12
0.0 Percentage of Participants
0.0 Percentage of Participants
0.0 Percentage of Participants

SECONDARY outcome

Timeframe: Week 12

Population: The Intent to Treat (ITT) data set consisted of the participants that had been randomized and had taken the investigational drug at least once. Note: In this analysis 1 patient HBeAg loss in the Telbivudine 600 mg and Tenofovir 300 mg Treatment Group.

HBeAg loss is defined as the loss of detectable serum HBeAg in a patient who was HBeAg positive at baseline. HBeAg seroconversion is defined as HBeAg loss with detectable Hepatitis B 'e' antibody (HBeAb). HBeAg stands for hepatitis B "e" antigen. This antigen is a protein from the hepatitis B virus that circulates in infected blood when the virus is actively replicating. The presence of HBeAg suggests that the person is infectious and is able to spread the virus to other people.

Outcome measures

Outcome measures
Measure
Telbivudine 600 mg Monotherapy
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Tenofovir Disproxil Fumarate 300 mg Monotherapy
n=14 Participants
All patients in this arm were randomized to receive Tenofovir disoproxil fumarate 300 mg(equivalent to tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Telbivudine 600 mg and Tenofovir 300 mg
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD and Tenofovir (TDF) 300 mg (equivalent to Tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Percentage of Patients Who Achieve Hepatitis B "e" Antigen (HBeAg) Loss and HBeAg Seroconversion at Week 12
0 Percentage of Participants
0 Percentage of Participants
0 Percentage of Participants

SECONDARY outcome

Timeframe: Week 12

Population: The Intent to Treat (ITT) data set consisted of the participants that had been randomized and had taken the investigational drug at least once.

The underlying bi-phasic model of viral kinetics can be described as follows: V(t) (1 )pI(t) cV(t)I(t) (1 ) (T I(t))V(t) I(t)where V denotes serum viral load, I productively infected cells, ε the efficiency factor of blocking virus production, p the viral production rate, c the viral clearance rate, η the efficiency factor of blocking de novo infection, β the de novo infection rate, Tg comprise all infected and uninfected target cells, and δ the rate of infected cell loss

Outcome measures

Outcome measures
Measure
Telbivudine 600 mg Monotherapy
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Tenofovir Disproxil Fumarate 300 mg Monotherapy
n=14 Participants
All patients in this arm were randomized to receive Tenofovir disoproxil fumarate 300 mg(equivalent to tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Telbivudine 600 mg and Tenofovir 300 mg
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD and Tenofovir (TDF) 300 mg (equivalent to Tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Characterization of Very Early Viral Kinetics Through Estimated Viral Load
8.9 log10 copies/ml
Standard Deviation 0.6
8.7 log10 copies/ml
Standard Deviation 0.8
8.7 log10 copies/ml
Standard Deviation 0.6

SECONDARY outcome

Timeframe: Week 12

Population: The Intent to Treat (ITT) data set consisted of the participants that had been randomized and had taken the investigational drug at least once.

The underlying bi-phasic model of viral kinetics can be described as follows: V(t) (1 )pI(t) cV(t)I(t) (1 ) (T I(t))V(t) I(t)where V denotes serum viral load, I productively infected cells, ε the efficiency factor of blocking virus production, p the viral production rate, c the viral clearance rate, η the efficiency factor of blocking de novo infection, β the de novo infection rate, Tg comprise all infected and uninfected target cells, and δ the rate of infected cell loss

Outcome measures

Outcome measures
Measure
Telbivudine 600 mg Monotherapy
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Tenofovir Disproxil Fumarate 300 mg Monotherapy
n=14 Participants
All patients in this arm were randomized to receive Tenofovir disoproxil fumarate 300 mg(equivalent to tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Telbivudine 600 mg and Tenofovir 300 mg
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD and Tenofovir (TDF) 300 mg (equivalent to Tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Characterization of Very Early Viral Kinetics Through Viral Clearance
0.98 day^-1
Standard Deviation 0.19
1.19 day^-1
Standard Deviation 0.62
1.08 day^-1
Standard Deviation 0.75

SECONDARY outcome

Timeframe: Week 12

Population: The Intent to Treat (ITT) data set consisted of the participants that had been randomized and had taken the investigational drug at least once.

The underlying bi-phasic model of viral kinetics can be described as follows: V(t) (1 )pI(t) cV(t)I(t) (1 ) (T I(t))V(t) I(t)where V denotes serum viral load, I productively infected cells, ε the efficiency factor of blocking virus production, p the viral production rate, c the viral clearance rate, η the efficiency factor of blocking de novo infection, β the de novo infection rate, Tg comprise all infected and uninfected target cells, and δ the rate of infected cell loss

Outcome measures

Outcome measures
Measure
Telbivudine 600 mg Monotherapy
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Tenofovir Disproxil Fumarate 300 mg Monotherapy
n=14 Participants
All patients in this arm were randomized to receive Tenofovir disoproxil fumarate 300 mg(equivalent to tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Telbivudine 600 mg and Tenofovir 300 mg
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD and Tenofovir (TDF) 300 mg (equivalent to Tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Characterization of Very Early Viral Kinetics Through Rate of Infected Cell Loss
0.04 day^-1
Standard Deviation 0.01
0.06 day^-1
Standard Deviation 0.02
0.05 day^-1
Standard Deviation 0.02

SECONDARY outcome

Timeframe: Week 12

Population: The Intent to Treat (ITT) data set consisted of the participants that had been randomized and had taken the investigational drug at least once.

The underlying bi-phasic model of viral kinetics can be described as follows: V(t) (1 )pI(t) cV(t) I(t) (1 ) (T I(t))V(t) I(t) where V denotes serum viral load, I productively infected cells, ε the efficiency factor of blocking virus production, p the viral production rate, c the viral clearance rate, η the efficiency factor of blocking de novo infection, β the de novo infection rate, Tg comprise allinfected and uninfected target cells, and δ the rate of infected cell loss

Outcome measures

Outcome measures
Measure
Telbivudine 600 mg Monotherapy
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Tenofovir Disproxil Fumarate 300 mg Monotherapy
n=14 Participants
All patients in this arm were randomized to receive Tenofovir disoproxil fumarate 300 mg(equivalent to tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Telbivudine 600 mg and Tenofovir 300 mg
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD and Tenofovir (TDF) 300 mg (equivalent to Tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Characterization of Very Early Viral Kinetics Through Efficiency Factor of Blocking Virus Production.
98.8 Percentage
Standard Deviation 1.9
99.0 Percentage
Standard Deviation 1.3
99.1 Percentage
Standard Deviation 0.8

SECONDARY outcome

Timeframe: Week 12

Population: The Intent to Treat (ITT) data set consisted of the participants that had been randomized and had taken the investigational drug at least once.

The underlying bi-phasic model of viral kinetics can be described as follows: V(t) (1 )pI(t) cV(t)I(t) (1 ) (T I(t))V(t) I(t)where V denotes serum viral load, I productively infected cells, ε the efficiency factor of blocking virus production, p the viral production rate, c the viral clearance rate, η the efficiency factor of blocking de novo infection, β the de novo infection rate, Tg comprise all infected and uninfected target cells, and δ the rate of infected cell loss

Outcome measures

Outcome measures
Measure
Telbivudine 600 mg Monotherapy
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Tenofovir Disproxil Fumarate 300 mg Monotherapy
n=14 Participants
All patients in this arm were randomized to receive Tenofovir disoproxil fumarate 300 mg(equivalent to tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Telbivudine 600 mg and Tenofovir 300 mg
n=16 Participants
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD and Tenofovir (TDF) 300 mg (equivalent to Tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Characterization of Very Early Viral Kinetics Through Half-live of Free Virus
18.1 Hours
Standard Deviation 4.4
16.4 Hours
Standard Deviation 5.8
18.9 Hours
Standard Deviation 6.9

Adverse Events

Telbivudine 600 mg Monotherapy

Serious events: 0 serious events
Other events: 8 other events
Deaths: 0 deaths

Tenofovir Disproxil Fumarate 300 mg Monotherapy

Serious events: 0 serious events
Other events: 8 other events
Deaths: 0 deaths

Telbivudine 600 mg and Tenofovir 300 mg

Serious events: 0 serious events
Other events: 7 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Telbivudine 600 mg Monotherapy
n=16 participants at risk
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Tenofovir Disproxil Fumarate 300 mg Monotherapy
n=14 participants at risk
All patients in this arm were randomized to receive Tenofovir disoproxil fumarate 300 mg(equivalent to tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Telbivudine 600 mg and Tenofovir 300 mg
n=16 participants at risk
All patients in this arm were randomized to receive Telbivudine (LDT) 600 mg QD and Tenofovir (TDF) 300 mg (equivalent to Tenofovir disoproxil 245 mg)QD. Patients were randomized prior to the first dose of study medication, which was defined as the study Baseline (Day 1) Visit. Subsequently, patients returned to the clinic at Days 2, 4, 6, 8, 11, 15 (Wk 2), 22 (Wk 3), 29 (Wk 4), 43 (Wk 6), 57 (Wk 8), and 85 (Wk 12) during the 12 weeks treatment phase. Furthermore, patients scheduled to Post-treatment Follow-up visits at Day 113 (Wk 16), Day 141 (Wk 20), and Day 169 (Wk 24) . At each of these visits routine tests and adverse event inquiry were performed.
Cardiac disorders
Dizziness
0.00%
0/16
7.1%
1/14
6.2%
1/16
Gastrointestinal disorders
Abdominal Pain Upper
6.2%
1/16
14.3%
2/14
6.2%
1/16
Gastrointestinal disorders
Oropharyngeal pain
12.5%
2/16
0.00%
0/14
6.2%
1/16
Gastrointestinal disorders
Diarrhea
6.2%
1/16
0.00%
0/14
0.00%
0/16
Gastrointestinal disorders
Gastritis
6.2%
1/16
0.00%
0/14
0.00%
0/16
Gastrointestinal disorders
Dyspepsia
0.00%
0/16
0.00%
0/14
6.2%
1/16
Gastrointestinal disorders
Nausea
0.00%
0/16
0.00%
0/14
12.5%
2/16
General disorders
Influenza like illness
25.0%
4/16
14.3%
2/14
0.00%
0/16
General disorders
Exercise tolerance descreased
0.00%
0/16
7.1%
1/14
0.00%
0/16
General disorders
Fatigue
0.00%
0/16
7.1%
1/14
0.00%
0/16
Infections and infestations
Influenza
31.2%
5/16
21.4%
3/14
12.5%
2/16
Injury, poisoning and procedural complications
Arthropod bite
0.00%
0/16
0.00%
0/14
6.2%
1/16
Injury, poisoning and procedural complications
Fall
0.00%
0/16
0.00%
0/14
6.2%
1/16
Musculoskeletal and connective tissue disorders
Musculoskeletal stiffness
0.00%
0/16
0.00%
0/14
6.2%
1/16

Additional Information

Study Director

Novartis Pharmaceuticals

Phone: 862-778-8300

Results disclosure agreements

  • Principal investigator is a sponsor employee The terms and conditions of Novartis' agreements with its investigators may vary. However, Novartis does not prohibit any investigator from publishing. Any publications from a single-site are postponed until the publication of the pooled data (i.e., data from all sites) in the clinical trial.
  • Publication restrictions are in place

Restriction type: OTHER