Trial Outcomes & Findings for PK and PD Study of IDN-6556 in Subjects With Hepatic Impairment and Matched Healthy Volunteers (NCT NCT02121860)

NCT ID: NCT02121860

Last Updated: 2016-02-24

Results Overview

Area under the plasma concentration curve (AUC) to 12 hours post-dose (AUC0-12); AUC to the last observed plasma concentration (AUClast);

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

37 participants

Primary outcome timeframe

48 Hours

Results posted on

2016-02-24

Participant Flow

This was an open-label, multicenter, parallel-group study to compare the PK and PD of IDN 6556 following a single 50 mg oral dose of IDN-6556 in subjects with mild, moderate, and severe hepatic impairment (defined as Child-Pugh A, B, and C, respectively) and matched healthy volunteers (subjects with normal hepatic function).

A total of 37 subjects were dosed. One subject was dosed twice at two different centers, so the analyzed sample size was 36 subjects: 12 subjects with mild, and 8 subjects each with moderate and severe hepatic impairment, and with normal hepatic function.

Participant milestones

Participant milestones
Measure
Normal Hepatic Function
Medically healthy as determined by the investigator
Child-Pugh Class A
Mild hepatic impairment
Child-Pugh Class B
Moderate hepatic impairment
Child-Pugh Class C
Severe hepatic impairment
Overall Study
STARTED
8
12
8
8
Overall Study
COMPLETED
8
12
8
8
Overall Study
NOT COMPLETED
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

PK and PD Study of IDN-6556 in Subjects With Hepatic Impairment and Matched Healthy Volunteers

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Child-Pugh Class A
n=12 Participants
Mild Hepatic Impairment
Child-Pugh Class B
n=8 Participants
Moderate Hepatic Impairment
Child-Pugh Class C
n=8 Participants
Severe Hepatic Impairment
Normal Hepatic Function
n=8 Participants
Medically healthy as determined by the investigator
Total
n=36 Participants
Total of all reporting groups
Age, Continuous
54.8 years
STANDARD_DEVIATION 8.8 • n=5 Participants
54.1 years
STANDARD_DEVIATION 7.1 • n=7 Participants
57.4 years
STANDARD_DEVIATION 4.8 • n=5 Participants
57.6 years
STANDARD_DEVIATION 4.9 • n=4 Participants
55.9 years
STANDARD_DEVIATION 6.8 • n=21 Participants
Sex: Female, Male
Female
4 Participants
n=5 Participants
0 Participants
n=7 Participants
3 Participants
n=5 Participants
2 Participants
n=4 Participants
9 Participants
n=21 Participants
Sex: Female, Male
Male
8 Participants
n=5 Participants
8 Participants
n=7 Participants
5 Participants
n=5 Participants
6 Participants
n=4 Participants
27 Participants
n=21 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
4 Participants
n=5 Participants
4 Participants
n=7 Participants
4 Participants
n=5 Participants
5 Participants
n=4 Participants
17 Participants
n=21 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
8 Participants
n=5 Participants
4 Participants
n=7 Participants
4 Participants
n=5 Participants
3 Participants
n=4 Participants
19 Participants
n=21 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
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
Race (NIH/OMB)
American Indian or Alaska Native
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
Race (NIH/OMB)
Asian
1 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
1 Participants
n=21 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
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
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
1 Participants
n=4 Participants
1 Participants
n=21 Participants
Race (NIH/OMB)
White
10 Participants
n=5 Participants
8 Participants
n=7 Participants
8 Participants
n=5 Participants
7 Participants
n=4 Participants
33 Participants
n=21 Participants
Race (NIH/OMB)
More than one race
1 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
1 Participants
n=21 Participants
Race (NIH/OMB)
Unknown or Not Reported
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
Region of Enrollment
United States
12 participants
n=5 Participants
8 participants
n=7 Participants
8 participants
n=5 Participants
8 participants
n=4 Participants
36 participants
n=21 Participants

PRIMARY outcome

Timeframe: 48 Hours

Population: The analyzed sample size was 36 subjects: 12 subjects with mild, and 8 subjects each with moderate and severe hepatic impairment, and with normal hepatic function.

Area under the plasma concentration curve (AUC) to 12 hours post-dose (AUC0-12); AUC to the last observed plasma concentration (AUClast);

Outcome measures

Outcome measures
Measure
Normal Hepatic Function
n=8 Participants
Medically healthy as determined by the investigator
Child-Pugh Class A
n=12 Participants
Mild Hepatic Impairment
Child-Pugh Class B
n=8 Participants
Moderate Hepatic Impairment
Child-Pugh Class C
n=8 Participants
Severe Hepatic Impairment
AUC
AUC0-12 (h*ng/mL)
113.5 h*ng/mL
Geometric Coefficient of Variation 51.1
114.6 h*ng/mL
Geometric Coefficient of Variation 36.0
423.7 h*ng/mL
Geometric Coefficient of Variation 126.1
1042 h*ng/mL
Geometric Coefficient of Variation 27.8
AUC
AUClast (h*ng/mL)
120.6 h*ng/mL
Geometric Coefficient of Variation 47.1
118.2 h*ng/mL
Geometric Coefficient of Variation 33.0
435.7 h*ng/mL
Geometric Coefficient of Variation 121.7
1083 h*ng/mL
Geometric Coefficient of Variation 26.9

PRIMARY outcome

Timeframe: 48 Hours

Maximum concentration (Cmax)

Outcome measures

Outcome measures
Measure
Normal Hepatic Function
n=8 Participants
Medically healthy as determined by the investigator
Child-Pugh Class A
n=12 Participants
Mild Hepatic Impairment
Child-Pugh Class B
n=8 Participants
Moderate Hepatic Impairment
Child-Pugh Class C
n=8 Participants
Severe Hepatic Impairment
Cmax
26.01 ng/mL
Geometric Coefficient of Variation 70.4
37.45 ng/mL
Geometric Coefficient of Variation 64.9
127.2 ng/mL
Geometric Coefficient of Variation 146.6
322.2 ng/mL
Geometric Coefficient of Variation 40.9

SECONDARY outcome

Timeframe: predose, 0.5, 1,2,3,4,5,8,12,24, and 48 hours post dose

Caspase-cleaved cytokeratin levels (cCK18M30)

Outcome measures

Outcome measures
Measure
Normal Hepatic Function
n=8 Participants
Medically healthy as determined by the investigator
Child-Pugh Class A
n=12 Participants
Mild Hepatic Impairment
Child-Pugh Class B
n=8 Participants
Moderate Hepatic Impairment
Child-Pugh Class C
n=8 Participants
Severe Hepatic Impairment
Levels of cCK18/M30
Predose
161.5 U/L
Interval 123.0 to 236.0
147.5 U/L
Interval 110.5 to 293.5
348.0 U/L
Interval 200.0 to 601.5
517.0 U/L
Interval 340.5 to 552.5
Levels of cCK18/M30
0.5 hour post dose
147.0 U/L
Interval 141.5 to 174.0
153.0 U/L
Interval 124.0 to 322.5
433.5 U/L
Interval 188.0 to 578.5
506.5 U/L
Interval 348.5 to 551.5
Levels of cCK18/M30
1 hour post dose
155.5 U/L
Interval 139.0 to 189.0
170.5 U/L
Interval 122.0 to 276.5
380.5 U/L
Interval 224.5 to 560.0
471.0 U/L
Interval 344.0 to 499.5
Levels of cCK18/M30
2 hours post dose
149.0 U/L
Interval 130.5 to 183.0
153.0 U/L
Interval 109.0 to 247.0
376.5 U/L
Interval 205.0 to 471.0
446.5 U/L
Interval 345.0 to 531.0
Levels of cCK18/M30
3 hours post dose
181.5 U/L
Interval 146.5 to 212.5
167.0 U/L
Interval 108.5 to 250.5
322.5 U/L
Interval 176.0 to 422.0
388.0 U/L
Interval 307.0 to 493.5
Levels of cCK18/M30
4 hours post dose
161.5 U/L
Interval 144.0 to 190.0
156.5 U/L
Interval 110.5 to 249.0
295.5 U/L
Interval 196.0 to 361.0
362.0 U/L
Interval 287.0 to 437.5
Levels of cCK18/M30
5 hours post dose
157.5 U/L
Interval 138.5 to 184.5
161.5 U/L
Interval 102.0 to 187.0
229.0 U/L
Interval 164.5 to 350.0
358.0 U/L
Interval 243.5 to 415.0
Levels of cCK18/M30
8 hours post dose
146.0 U/L
Interval 127.5 to 205.0
126.0 U/L
Interval 104.0 to 172.0
190.5 U/L
Interval 110.5 to 307.0
274.5 U/L
Interval 208.5 to 343.0
Levels of cCK18/M30
12 hours post dose
175.5 U/L
Interval 135.0 to 219.5
104.5 U/L
Interval 84.5 to 164.5
137.5 U/L
Interval 110.5 to 249.5
287.5 U/L
Interval 164.0 to 356.0
Levels of cCK18/M30
24 hours post dose
163.5 U/L
Interval 134.0 to 191.5
151.0 U/L
Interval 104.0 to 213.5
298.0 U/L
Interval 183.0 to 339.5
423.0 U/L
Interval 331.5 to 488.0
Levels of cCK18/M30
48 hours post dose
213.0 U/L
Interval 141.0 to 269.5
193.0 U/L
Interval 121.5 to 283.0
353.5 U/L
Interval 244.0 to 555.5
508.5 U/L
Interval 381.0 to 581.5

SECONDARY outcome

Timeframe: predose, 0.5, 1,2,3,4,5,8,12,24, and 48 hours post dose

Concentration of Caspase 3/7 Relative Light Units

Outcome measures

Outcome measures
Measure
Normal Hepatic Function
n=8 Participants
Medically healthy as determined by the investigator
Child-Pugh Class A
n=12 Participants
Mild Hepatic Impairment
Child-Pugh Class B
n=8 Participants
Moderate Hepatic Impairment
Child-Pugh Class C
n=8 Participants
Severe Hepatic Impairment
Levels of Caspase 3/7 RLU
8 hours post dose
916.0 RLU
Interval 797.5 to 1263.0
1088.5 RLU
Interval 929.0 to 1216.5
1084.5 RLU
Interval 921.5 to 1410.0
893.5 RLU
Interval 750.5 to 1275.5
Levels of Caspase 3/7 RLU
Predose
963.5 RLU
Interval 753.5 to 1554.0
1158.5 RLU
Interval 862.5 to 1547.5
2006.0 RLU
Interval 1537.0 to 2394.5
1662.5 RLU
Interval 1256.5 to 2194.0
Levels of Caspase 3/7 RLU
.5 hour post dose
900.5 RLU
Interval 835.5 to 1398.5
1130.5 RLU
Interval 852.5 to 1386.0
2027.0 RLU
Interval 1391.5 to 2276.0
1933.5 RLU
Interval 1557.0 to 2915.0
Levels of Caspase 3/7 RLU
1 hour post dose
850.5 RLU
Interval 766.5 to 1078.5
1260.5 RLU
Interval 814.5 to 1297.5
1482.0 RLU
Interval 1169.0 to 1821.0
1392.0 RLU
Interval 1096.0 to 1814.5
Levels of Caspase 3/7 RLU
2 hours post dose
820.0 RLU
Interval 772.0 to 1111.0
1048.0 RLU
Interval 873.5 to 1311.5
1121.0 RLU
Interval 961.5 to 1270.0
1090.0 RLU
Interval 674.5 to 1482.0
Levels of Caspase 3/7 RLU
3 hours post dose
872.0 RLU
Interval 746.5 to 1084.5
1027.0 RLU
Interval 888.5 to 1170.5
906.5 RLU
Interval 858.0 to 1238.5
796.0 RLU
Interval 618.0 to 958.5
Levels of Caspase 3/7 RLU
4 hours post dose
848.5 RLU
Interval 789.0 to 1085.0
921.0 RLU
Interval 795.5 to 1097.0
984.5 RLU
Interval 887.0 to 1170.0
806.5 RLU
Interval 571.0 to 949.5
Levels of Caspase 3/7 RLU
5 hours post dose
836.5 RLU
Interval 792.5 to 1142.0
976.0 RLU
Interval 823.0 to 1178.0
903.5 RLU
Interval 856.5 to 1312.5
776.0 RLU
Interval 694.5 to 935.5
Levels of Caspase 3/7 RLU
12 hours post dose
876.5 RLU
Interval 686.5 to 1002.0
1039.0 RLU
Interval 793.0 to 1170.5
1230.5 RLU
Interval 992.0 to 1516.5
1187.0 RLU
Interval 924.5 to 1478.0
Levels of Caspase 3/7 RLU
24 hours post dose
842.0 RLU
Interval 723.5 to 1060.0
1227.5 RLU
Interval 949.5 to 1344.5
1798.5 RLU
Interval 1308.5 to 2128.5
1276.0 RLU
Interval 1027.0 to 2907.5
Levels of Caspase 3/7 RLU
48 hours post dose
991.5 RLU
Interval 719.5 to 1149.5
1291.0 RLU
Interval 877.5 to 1534.0
1754.0 RLU
Interval 1440.5 to 2243.5
1457.5 RLU
Interval 1097.0 to 2685.0

Adverse Events

IDN-6556

Serious events: 0 serious events
Other events: 12 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
IDN-6556
n=36 participants at risk
Single 50 mg oral dose of IDN-6556
Gastrointestinal disorders
Diarrhea
5.6%
2/36 • Number of events 2 • 10 Days
Cardiac disorders
tachycardia
2.8%
1/36 • Number of events 1 • 10 Days
Infections and infestations
Gastroenteritis
2.8%
1/36 • Number of events 1 • 10 Days
Gastrointestinal disorders
Dyspepsia
2.8%
1/36 • Number of events 1 • 10 Days
Gastrointestinal disorders
Nausea
2.8%
1/36 • Number of events 1 • 10 Days
Gastrointestinal disorders
Vomiting
2.8%
1/36 • Number of events 1 • 10 Days
Infections and infestations
Pulpitis Dental
2.8%
1/36 • Number of events 1 • 10 Days
Nervous system disorders
headache
8.3%
3/36 • Number of events 3 • 10 Days
Investigations
Lipase increased
2.8%
1/36 • Number of events 2 • 10 Days
Investigations
Transaminases increased
2.8%
1/36 • Number of events 1 • 10 Days

Additional Information

Jean L. Chan, MD

Conatus Pharmaceuticals

Phone: (858) 376-2632

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place

Restriction type: LTE60