Trial Outcomes & Findings for Double-Blind, Dose-Escalation Study of IDX184 in Chronic Hepatitis C Treatment-Naïve Subjects (NCT NCT00807001)

NCT ID: NCT00807001

Last Updated: 2016-08-19

Results Overview

Monitoring of adverse events, physical examination, routine safety laboratory parameters and electrocardiograms. 1=mild, 2=moderate, 3=severe, 4=potentially life-threatening

Recruitment status

COMPLETED

Study phase

PHASE1/PHASE2

Target enrollment

41 participants

Primary outcome timeframe

17 days

Results posted on

2016-08-19

Participant Flow

Participant milestones

Participant milestones
Measure
Placebo
IDX184 25 mg
IDX184 50 mg
IDX184 75 mg
IDX184 100 mg
Overall Study
STARTED
8
8
8
8
9
Overall Study
COMPLETED
8
7
8
8
9
Overall Study
NOT COMPLETED
0
1
0
0
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Placebo
IDX184 25 mg
IDX184 50 mg
IDX184 75 mg
IDX184 100 mg
Overall Study
Non-compliance
0
1
0
0
0

Baseline Characteristics

Double-Blind, Dose-Escalation Study of IDX184 in Chronic Hepatitis C Treatment-Naïve Subjects

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Placebo
n=8 Participants
IDX184 25 mg
n=8 Participants
IDX184 50 mg
n=8 Participants
IDX184 75 mg
n=8 Participants
IDX184 100 mg
n=9 Participants
Total
n=41 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=8 Participants
Age, Categorical
Between 18 and 65 years
8 Participants
n=5 Participants
8 Participants
n=7 Participants
8 Participants
n=5 Participants
8 Participants
n=4 Participants
9 Participants
n=21 Participants
41 Participants
n=8 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=8 Participants
Age, Continuous
49.3 years
STANDARD_DEVIATION 7.63 • n=5 Participants
48.3 years
STANDARD_DEVIATION 6.50 • n=7 Participants
48.8 years
STANDARD_DEVIATION 5.85 • n=5 Participants
47.3 years
STANDARD_DEVIATION 8.12 • n=4 Participants
47.2 years
STANDARD_DEVIATION 7.89 • n=21 Participants
48.1 years
STANDARD_DEVIATION 6.94 • n=8 Participants
Sex: Female, Male
Female
3 Participants
n=5 Participants
2 Participants
n=7 Participants
1 Participants
n=5 Participants
2 Participants
n=4 Participants
4 Participants
n=21 Participants
12 Participants
n=8 Participants
Sex: Female, Male
Male
5 Participants
n=5 Participants
6 Participants
n=7 Participants
7 Participants
n=5 Participants
6 Participants
n=4 Participants
5 Participants
n=21 Participants
29 Participants
n=8 Participants
Region of Enrollment
United States
6 participants
n=5 Participants
8 participants
n=7 Participants
8 participants
n=5 Participants
7 participants
n=4 Participants
7 participants
n=21 Participants
36 participants
n=8 Participants
Region of Enrollment
Argentina
1 participants
n=5 Participants
0 participants
n=7 Participants
0 participants
n=5 Participants
0 participants
n=4 Participants
2 participants
n=21 Participants
3 participants
n=8 Participants
Region of Enrollment
Austria
1 participants
n=5 Participants
0 participants
n=7 Participants
0 participants
n=5 Participants
1 participants
n=4 Participants
0 participants
n=21 Participants
2 participants
n=8 Participants

PRIMARY outcome

Timeframe: 17 days

Population: Safety population consisted of all subjects who received at least one dose of study drug.

Monitoring of adverse events, physical examination, routine safety laboratory parameters and electrocardiograms. 1=mild, 2=moderate, 3=severe, 4=potentially life-threatening

Outcome measures

Outcome measures
Measure
Placebo
n=8 Participants
IDX184 25 mg
n=8 Participants
IDX184 50 mg
n=8 Participants
IDX184 75 mg
n=8 Participants
IDX184 100 mg
n=9 Participants
Number of Subjects With Any Adverse Event (Side Effect) and the Severity of Those Adverse Events
Number of subjects with any adverse event
5 participants
2 participants
3 participants
3 participants
5 participants
Number of Subjects With Any Adverse Event (Side Effect) and the Severity of Those Adverse Events
Number of sub. with any Grade 3/4 lab abnormality
1 participants
1 participants
0 participants
0 participants
2 participants
Number of Subjects With Any Adverse Event (Side Effect) and the Severity of Those Adverse Events
Grade 3/4 Triacylglycerol Lipase, high
0 participants
1 participants
0 participants
0 participants
1 participants
Number of Subjects With Any Adverse Event (Side Effect) and the Severity of Those Adverse Events
Grade 3/4 Prothrombin Intl. Normalized Ratio, high
0 participants
0 participants
0 participants
0 participants
1 participants
Number of Subjects With Any Adverse Event (Side Effect) and the Severity of Those Adverse Events
Grade 3/4 Prothrombin Time, high
0 participants
0 participants
0 participants
0 participants
1 participants
Number of Subjects With Any Adverse Event (Side Effect) and the Severity of Those Adverse Events
Grade 3/4 Urine Erythrocytes, high
0 participants
0 participants
0 participants
0 participants
1 participants
Number of Subjects With Any Adverse Event (Side Effect) and the Severity of Those Adverse Events
Grade 3/4 Pancreatic Amylase, high
1 participants
0 participants
0 participants
0 participants
0 participants

SECONDARY outcome

Timeframe: Baseline to 4 days

Population: efficacy evaluable population = a) must have received all 3 doses of study drug b) must have baseline and at least one post-baseline HCV RNA determination

Measures how much virus is in the blood.

Outcome measures

Outcome measures
Measure
Placebo
n=8 Participants
IDX184 25 mg
n=6 Participants
IDX184 50 mg
n=8 Participants
IDX184 75 mg
n=7 Participants
IDX184 100 mg
n=9 Participants
Antiviral Activity at Day 4. Change in Plasma HCV RNA (Hepatitis C Virus Ribonucleic Acid)
-0.1 log10 IU/mL
Standard Deviation 0.3
-0.5 log10 IU/mL
Standard Deviation 0.6
-0.7 log10 IU/mL
Standard Deviation 0.2
-0.6 log10 IU/mL
Standard Deviation 0.3
-0.7 log10 IU/mL
Standard Deviation 0.5

Adverse Events

Placebo

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

IDX184 25 mg

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

IDX184 50 mg

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

IDX184 75 mg

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

IDX184 100 mg

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Placebo
n=8 participants at risk
IDX184 25 mg
n=8 participants at risk
IDX184 50 mg
n=8 participants at risk
IDX184 75 mg
n=8 participants at risk
IDX184 100 mg
n=9 participants at risk
Gastrointestinal disorders
Diarrhoea
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/9 • 17 days
Gastrointestinal disorders
Constipation
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/9 • 17 days
Gastrointestinal disorders
Nausea
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/9 • 17 days
Gastrointestinal disorders
Toothache
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/9 • 17 days
General disorders
Fatigue
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
22.2%
2/9 • 17 days
General disorders
Pain
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/9 • 17 days
General disorders
Pyrexia
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/9 • 17 days
General disorders
Thirst
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/9 • 17 days
Infections and infestations
Oral herpes
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/9 • 17 days
Investigations
Lipase increased
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/9 • 17 days
Investigations
Urinary sediment present
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
11.1%
1/9 • 17 days
Investigations
Weight decreased
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/9 • 17 days
Metabolism and nutrition disorders
Hypercholesterolaemia
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/9 • 17 days
Metabolism and nutrition disorders
Hyperglycaemia
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/9 • 17 days
Metabolism and nutrition disorders
Hyperlipidaemia
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/9 • 17 days
Musculoskeletal and connective tissue disorders
Arthralgia
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
11.1%
1/9 • 17 days
Nervous system disorders
Headache
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
25.0%
2/8 • 17 days
11.1%
1/9 • 17 days
Nervous system disorders
Dizziness
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/9 • 17 days
Nervous system disorders
Lethargy
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/9 • 17 days
Psychiatric disorders
Anxiety
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
11.1%
1/9 • 17 days
Psychiatric disorders
Depression
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/9 • 17 days
Psychiatric disorders
Mood altered
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/9 • 17 days
Psychiatric disorders
Restlessness
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
11.1%
1/9 • 17 days
Reproductive system and breast disorders
Dysmenorrhoea
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
11.1%
1/9 • 17 days
Respiratory, thoracic and mediastinal disorders
Asthma
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/9 • 17 days
Respiratory, thoracic and mediastinal disorders
Pharyngolaryngeal pain
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/9 • 17 days
Respiratory, thoracic and mediastinal disorders
Rhinorrhoea
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/9 • 17 days
Skin and subcutaneous tissue disorders
Cold sweat
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
11.1%
1/9 • 17 days
Skin and subcutaneous tissue disorders
Palmar erythema
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/9 • 17 days
Skin and subcutaneous tissue disorders
Pruritus
12.5%
1/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/9 • 17 days
Skin and subcutaneous tissue disorders
Rash
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
11.1%
1/9 • 17 days
Social circumstances
Menopause
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
0.00%
0/8 • 17 days
12.5%
1/8 • 17 days
0.00%
0/9 • 17 days

Additional Information

John Z. Sullivan-Bolyai, MD, MPH

Idenix Pharmaceuticals, Inc.

Phone: 877-433-6491

Results disclosure agreements

  • Principal investigator is a sponsor employee Disclosure restriction on the PI that permits the sponsor to review results communications prior to public release and embargo communications regarding trial results for a period that is more than 60 days but less than or equal to 180 days from the time submitted to the sponsor for review. The sponsor may request the PI to remove the sponsor's confidential information prior to such publication.
  • Publication restrictions are in place

Restriction type: OTHER