Trial Outcomes & Findings for Safety and Efficacy of Ledipasvir/Sofosbuvir (LDV/SOF) Fixed Dose Combination Tablet With Ribavirin for 12 Weeks in Treatment-naive Adults With Chronic HCV Genotype 3 Infection (NCT NCT02413593)

NCT ID: NCT02413593

Last Updated: 2018-11-16

Results Overview

SVR12 was defined as HCV RNA \< the lower limit of quantitation (LLOQ; ie, 15 IU/mL) at 12 weeks after stopping study treatment.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

111 participants

Primary outcome timeframe

Posttreatment Week 12

Results posted on

2018-11-16

Participant Flow

Participants were enrolled at study sites in Canada. The first participant was screened on 15 April 2015. The last study visit occurred on 08 January 2016.

127 participants were screened.

Participant milestones

Participant milestones
Measure
LDV/SOF+RBV
Ledipasvir/sofosbuvir (Harvoni®; LDV/SOF) (90/400 mg) fixed-dose combination (FDC) tablet once daily + ribavirin (RBV) tablets (1000 or 1200 mg daily based on weight) for 12 weeks
Overall Study
STARTED
111
Overall Study
COMPLETED
107
Overall Study
NOT COMPLETED
4

Reasons for withdrawal

Reasons for withdrawal
Measure
LDV/SOF+RBV
Ledipasvir/sofosbuvir (Harvoni®; LDV/SOF) (90/400 mg) fixed-dose combination (FDC) tablet once daily + ribavirin (RBV) tablets (1000 or 1200 mg daily based on weight) for 12 weeks
Overall Study
Lost to Follow-up
3
Overall Study
Adverse Event
1

Baseline Characteristics

Safety and Efficacy of Ledipasvir/Sofosbuvir (LDV/SOF) Fixed Dose Combination Tablet With Ribavirin for 12 Weeks in Treatment-naive Adults With Chronic HCV Genotype 3 Infection

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
LDV/SOF+RBV
n=111 Participants
LDV/SOF (90/400 mg) FDC tablet once daily + RBV tablets (1000 or 1200 mg daily based on weight) for 12 weeks
Age, Continuous
48 years
STANDARD_DEVIATION 10.7 • n=5 Participants
Sex: Female, Male
Female
43 Participants
n=5 Participants
Sex: Female, Male
Male
68 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
111 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
3 Participants
n=5 Participants
Race (NIH/OMB)
Asian
28 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
1 Participants
n=5 Participants
Race (NIH/OMB)
White
78 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
1 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
HCV Genotype
Genotype 3 (no confirmed subtype)
3 Participants
n=5 Participants
HCV Genotype
Genotype 3a
105 Participants
n=5 Participants
HCV Genotype
Genotype 3b
3 Participants
n=5 Participants
Cirrhosis Status
Absent
70 Participants
n=5 Participants
Cirrhosis Status
Present
39 Participants
n=5 Participants
Cirrhosis Status
Missing
2 Participants
n=5 Participants
IL28b Status
CC
40 Participants
n=5 Participants
IL28b Status
CT
56 Participants
n=5 Participants
IL28b Status
TT
13 Participants
n=5 Participants
IL28b Status
Missing
2 Participants
n=5 Participants
HCV RNA
6.2 log10 IU/mL
STANDARD_DEVIATION 0.66 • n=5 Participants
HCV RNA Category
< 800,000 IU/mL
35 Participants
n=5 Participants
HCV RNA Category
≥ 800,000 IU/mL
76 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Posttreatment Week 12

Population: Full Analysis Set: all enrolled participants who received at least 1 dose of study drug.

SVR12 was defined as HCV RNA \< the lower limit of quantitation (LLOQ; ie, 15 IU/mL) at 12 weeks after stopping study treatment.

Outcome measures

Outcome measures
Measure
LDV/SOF+RBV
n=111 Participants
LDV/SOF (90/400 mg) FDC tablet once daily + RBV tablets (1000 or 1200 mg daily based on weight) for 12 weeks
Percentage of Participants With Sustained Virologic Response (SVR) 12 Weeks After Discontinuation of Therapy (SVR12)
89.2 percentage of participants
Interval 81.9 to 94.3

PRIMARY outcome

Timeframe: Up to 12 weeks

Population: Safety Analysis Set

Outcome measures

Outcome measures
Measure
LDV/SOF+RBV
n=111 Participants
LDV/SOF (90/400 mg) FDC tablet once daily + RBV tablets (1000 or 1200 mg daily based on weight) for 12 weeks
Percentage of Participants Who Permanently Discontinued Any Study Drug Due to an Adverse Event
0.9 percentage of participants

SECONDARY outcome

Timeframe: Posttreatment Week 4

Population: Full Analysis Set

SVR4 was defined as HCV RNA \< LLOQ at 4 weeks after stopping study treatment.

Outcome measures

Outcome measures
Measure
LDV/SOF+RBV
n=111 Participants
LDV/SOF (90/400 mg) FDC tablet once daily + RBV tablets (1000 or 1200 mg daily based on weight) for 12 weeks
Percentage of Participants With SVR at 4 Weeks After Discontinuation of Therapy (SVR4)
91.9 percentage of participants
Interval 85.2 to 96.2

SECONDARY outcome

Timeframe: Weeks 1, 2, 4, 8, and 12

Population: Participants in the Full Analysis Set with available data were analyzed.

Outcome measures

Outcome measures
Measure
LDV/SOF+RBV
n=111 Participants
LDV/SOF (90/400 mg) FDC tablet once daily + RBV tablets (1000 or 1200 mg daily based on weight) for 12 weeks
Percentage of Participants With HCV RNA < LLOQ at Weeks 1, 2, 4, 8 and 12
Week 1
20.7 percentage of participants
Interval 13.6 to 29.5
Percentage of Participants With HCV RNA < LLOQ at Weeks 1, 2, 4, 8 and 12
Week 2
64.9 percentage of participants
Interval 55.2 to 73.7
Percentage of Participants With HCV RNA < LLOQ at Weeks 1, 2, 4, 8 and 12
Week 4
97.3 percentage of participants
Interval 92.3 to 99.4
Percentage of Participants With HCV RNA < LLOQ at Weeks 1, 2, 4, 8 and 12
Week 8
100.0 percentage of participants
Interval 96.7 to 100.0
Percentage of Participants With HCV RNA < LLOQ at Weeks 1, 2, 4, 8 and 12
Week 12
99.1 percentage of participants
Interval 95.0 to 100.0

SECONDARY outcome

Timeframe: Baseline; Weeks 1, 2, 4, 8, and 12

Population: Participants in the Full Analysis Set with available data were analyzed.

Outcome measures

Outcome measures
Measure
LDV/SOF+RBV
n=111 Participants
LDV/SOF (90/400 mg) FDC tablet once daily + RBV tablets (1000 or 1200 mg daily based on weight) for 12 weeks
Change From Baseline in HCV RNA at Weeks 1, 2, 4, 8, and 12
Change at Week 1
-4.33 log10 IU/mL
Standard Deviation 0.572
Change From Baseline in HCV RNA at Weeks 1, 2, 4, 8, and 12
Change at Week 2
-4.85 log10 IU/mL
Standard Deviation 0.659
Change From Baseline in HCV RNA at Weeks 1, 2, 4, 8, and 12
Change at Week 4
-5.05 log10 IU/mL
Standard Deviation 0.664
Change From Baseline in HCV RNA at Weeks 1, 2, 4, 8, and 12
Change at Week 8
-5.06 log10 IU/mL
Standard Deviation 0.664
Change From Baseline in HCV RNA at Weeks 1, 2, 4, 8, and 12
Change at Week 12
-5.06 log10 IU/mL
Standard Deviation 0.669

SECONDARY outcome

Timeframe: Up to Posttreatment Week 12

Population: Full Analysis Set

Virologic failure was defined as: * On-treatment virologic failure: * Breakthrough (confirmed HCV RNA ≥ LLOQ after having previously had HCV RNA \< LLOQ while on treatment), or * Rebound (confirmed \> 1 log10 IU/mL increase in HCV RNA from nadir while on treatment), or * Non-response (HCV RNA persistently ≥ LLOQ through 8 weeks of treatment) * Virologic relapse: * Confirmed HCV RNA ≥ LLOQ during the posttreatment period having achieved HCV RNA \< LLOQ at last on-treatment visit.

Outcome measures

Outcome measures
Measure
LDV/SOF+RBV
n=111 Participants
LDV/SOF (90/400 mg) FDC tablet once daily + RBV tablets (1000 or 1200 mg daily based on weight) for 12 weeks
Percentage of Participants With Virologic Failure
7.2 percentage of participants

Adverse Events

LDV/SOF+RBV

Serious events: 4 serious events
Other events: 89 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
LDV/SOF+RBV
n=111 participants at risk
LDV/SOF (90/400 mg) FDC tablet once daily + RBV tablets (1000 or 1200 mg daily based on weight) for 12 weeks
Metabolism and nutrition disorders
Hyponatraemia
0.90%
1/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Musculoskeletal and connective tissue disorders
Intervertebral disc protrusion
0.90%
1/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Hepatic cancer
0.90%
1/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Psychiatric disorders
Homicidal ideation
0.90%
1/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Psychiatric disorders
Suicidal ideation
0.90%
1/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Vascular disorders
Hypertensive crisis
0.90%
1/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set

Other adverse events

Other adverse events
Measure
LDV/SOF+RBV
n=111 participants at risk
LDV/SOF (90/400 mg) FDC tablet once daily + RBV tablets (1000 or 1200 mg daily based on weight) for 12 weeks
Gastrointestinal disorders
Abdominal pain
5.4%
6/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Gastrointestinal disorders
Diarrhoea
9.9%
11/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Gastrointestinal disorders
Nausea
22.5%
25/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Gastrointestinal disorders
Vomiting
6.3%
7/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
General disorders
Fatigue
51.4%
57/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Infections and infestations
Nasopharyngitis
7.2%
8/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Musculoskeletal and connective tissue disorders
Myalgia
6.3%
7/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Nervous system disorders
Dizziness
11.7%
13/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Nervous system disorders
Headache
36.0%
40/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Psychiatric disorders
Depression
5.4%
6/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Psychiatric disorders
Insomnia
17.1%
19/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Psychiatric disorders
Irritability
9.9%
11/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Cough
7.2%
8/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Dyspnoea
5.4%
6/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Dyspnoea exertional
5.4%
6/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Skin and subcutaneous tissue disorders
Pruritus
6.3%
7/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set
Skin and subcutaneous tissue disorders
Rash
6.3%
7/111 • Baseline to 30 days after last dose of study drug (up to 12 weeks plus 30 days)
Safety Analysis Set

Additional Information

Clinical Trial Disclosures

Gilead Sciences

Results disclosure agreements

  • Principal investigator is a sponsor employee After conclusion of the study and without prior written approval from Gilead, investigators in this study may communicate, orally present, or publish in scientific journals or other media only after the following conditions have been met: * The results of the study in their entirety have been publicly disclosed by or with the consent of Gilead in an abstract, manuscript, or presentation form; or * The study has been completed at all study sites for at least 2 years
  • Publication restrictions are in place

Restriction type: OTHER