Trial Outcomes & Findings for PK Sub-Study of QUILT-3.032 (CA ALT-803-01-16) and of QUILT-2.005 (CA ALT-803-01-14) (NCT NCT04142359)

NCT ID: NCT04142359

Last Updated: 2024-12-10

Results Overview

Half-life (t½)

Recruitment status

TERMINATED

Target enrollment

1 participants

Primary outcome timeframe

Study day 1 prior to dosing, and at post-bladder voiding (+ 15 minutes), 24 (±2), 48 (±4), 72 (±4), 96 (±4) and 168 (±4) hours after dosing administered at study Week 1 and again at the same time points for study Week 6.

Results posted on

2024-12-10

Participant Flow

Participant milestones

Participant milestones
Measure
Cohort A: CIS (Either Study)
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. BCG in Combination with N-803: BCG in Combination with N-803
Cohort B: High-Grade Ta/T1 Papillary Disease (Either Study)
Patients with histologically confirmed presence of BCG-unresponsive high-grade Ta/T1 papillary disease BCG in Combination with N-803: BCG in Combination with N-803
Cohort C: CIS (QUILT-3.032)
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. N-803 alone: N-803 alone
Overall Study
STARTED
1
0
0
Overall Study
COMPLETED
1
0
0
Overall Study
NOT COMPLETED
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

PK Sub-Study of QUILT-3.032 (CA ALT-803-01-16) and of QUILT-2.005 (CA ALT-803-01-14)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Cohort A: CIS (Either Study)
n=1 Participants
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. BCG in Combination with N-803: BCG in Combination with N-803
Cohort B: High-Grade Ta/T1 Papillary Disease (Either Study)
Patients with histologically confirmed presence of BCG-unresponsive high-grade Ta/T1 papillary disease BCG in Combination with N-803: BCG in Combination with N-803
Cohort C: CIS (QUILT-3.032)
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. N-803 alone: N-803 alone
Total
n=1 Participants
Total of all reporting groups
Age, Continuous
73 years
STANDARD_DEVIATION NA • n=5 Participants
73 years
STANDARD_DEVIATION NA • n=4 Participants
Sex: Female, Male
Female
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Sex: Female, Male
Male
1 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
1 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
1 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
1 Participants
n=4 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
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
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 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
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
White
1 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
1 Participants
n=4 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 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
Non-muscle invasive bladder cancer enrolled on either QUILT-3.032 or QUILT-2.005
1 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
1 Participants
n=4 Participants

PRIMARY outcome

Timeframe: Study day 1 prior to dosing, and at post-bladder voiding (+ 15 minutes), 24 (±2), 48 (±4), 72 (±4), 96 (±4) and 168 (±4) hours after dosing administered at study Week 1 and again at the same time points for study Week 6.

Population: Systemic N-803 was below the limit of quantitation for all subjects at all time points assessed. Following intravesical administration, there was no evidence of systemic N-803 in any subject. PK parameters were not calculated.

Half-life (t½)

Outcome measures

Outcome measures
Measure
Cohort A: CIS (Either Study)
n=1 Participants
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. BCG in Combination with N-803: BCG in Combination with N-803
Cohort B: High-Grade Ta/T1 Papillary Disease (Either Study)
Patients with histologically confirmed presence of BCG-unresponsive high-grade Ta/T1 papillary disease BCG in Combination with N-803: BCG in Combination with N-803
Cohort C: CIS (QUILT-3.032)
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. N-803 alone: N-803 alone
Half-life (t½)
NA Hours
Standard Deviation NA
Systemic N-803 was below the limit of quantitation at all time points assessed. Thus, there was no evidence of systemic N-803 exposure after intravesical administration.

PRIMARY outcome

Timeframe: Study day 1 prior to dosing, and at post-bladder voiding (+15 minutes), 24 (±2), 48 (±4), 72 (±4), 96 (±4) and 168 (±4) hours after dosing administered at study Week 1 and again at the same time points for study Week 6.

Population: Systemic N-803 was below the limit of quantitation for all subjects at all time points assessed. Following intravesical administration, there was no evidence of systemic N-803 in any subject. PK parameters were not calculated.

Apparent (extravascular) volume of distribution (Vz/F)

Outcome measures

Outcome measures
Measure
Cohort A: CIS (Either Study)
n=1 Participants
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. BCG in Combination with N-803: BCG in Combination with N-803
Cohort B: High-Grade Ta/T1 Papillary Disease (Either Study)
Patients with histologically confirmed presence of BCG-unresponsive high-grade Ta/T1 papillary disease BCG in Combination with N-803: BCG in Combination with N-803
Cohort C: CIS (QUILT-3.032)
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. N-803 alone: N-803 alone
Apparent (Extravascular) Volume of Distribution (Vz/F)
NA mL/kg
Standard Deviation NA
Systemic N-803 was below the limit of quantitation at all time points assessed. Thus, there was no evidence of systemic N-803 exposure after intravesical administration.

PRIMARY outcome

Timeframe: Study day 1 prior to dosing, and at post-bladder voiding (+ 15 minutes), 24 (±2), 48 (±4), 72 (±4), 96 (±4) and 168 (±4) hours after dosing administered at study Week 1 and again at the same time points for study Week 6.

Population: Systemic N-803 was below the limit of quantitation for all subjects at all time points assessed. Following intravesical administration, there was no evidence of systemic N-803 in any subject. PK parameters were not calculated.

Apparent (extravascular) clearance (CL/F)

Outcome measures

Outcome measures
Measure
Cohort A: CIS (Either Study)
n=1 Participants
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. BCG in Combination with N-803: BCG in Combination with N-803
Cohort B: High-Grade Ta/T1 Papillary Disease (Either Study)
Patients with histologically confirmed presence of BCG-unresponsive high-grade Ta/T1 papillary disease BCG in Combination with N-803: BCG in Combination with N-803
Cohort C: CIS (QUILT-3.032)
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. N-803 alone: N-803 alone
Apparent (Extravascular) Clearance (CL/F)
NA L/day/kg
Standard Deviation NA
Systemic N-803 was below the limit of quantitation at all time points assessed. Thus, there was no evidence of systemic N-803 exposure after intravesical administration.

PRIMARY outcome

Timeframe: Study day 1 prior to dosing, and at post-bladder voiding (+ 15 minutes), 24 (±2), 48 (±4), 72 (±4), 96 (±4) and 168 (±4) hours after dosing administered at study Week 1 and again at the same time points for study Week 6.

Population: Systemic N-803 was below the limit of quantitation for all subjects at all time points assessed. Following intravesical administration, there was no evidence of systemic N-803 in any subject. PK parameters were not calculated.

Maximum observed concentration (Cmax)

Outcome measures

Outcome measures
Measure
Cohort A: CIS (Either Study)
n=1 Participants
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. BCG in Combination with N-803: BCG in Combination with N-803
Cohort B: High-Grade Ta/T1 Papillary Disease (Either Study)
Patients with histologically confirmed presence of BCG-unresponsive high-grade Ta/T1 papillary disease BCG in Combination with N-803: BCG in Combination with N-803
Cohort C: CIS (QUILT-3.032)
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. N-803 alone: N-803 alone
Maximum Observed Concentration (Cmax)
NA pg/mL
Standard Deviation NA
Systemic N-803 was below the limit of quantitation at all time points assessed. Thus, there was no evidence of systemic N-803 exposure after intravesical administration.

PRIMARY outcome

Timeframe: Study day 1 prior to dosing, and at post-bladder voiding (+ 15 minutes), 24 (±2), 48 (±4), 72 (±4), 96 (±4) and 168 (±4) hours after dosing administered at study Week 1 and again at the same time points for study Week 6.

Population: Systemic N-803 was below the limit of quantitation for all subjects at all time points assessed. Following intravesical administration, there was no evidence of systemic N-803 in any subject. PK parameters were not calculated.

Time of the observed maximum concentration (Tmax)

Outcome measures

Outcome measures
Measure
Cohort A: CIS (Either Study)
n=1 Participants
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. BCG in Combination with N-803: BCG in Combination with N-803
Cohort B: High-Grade Ta/T1 Papillary Disease (Either Study)
Patients with histologically confirmed presence of BCG-unresponsive high-grade Ta/T1 papillary disease BCG in Combination with N-803: BCG in Combination with N-803
Cohort C: CIS (QUILT-3.032)
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. N-803 alone: N-803 alone
Time of the Observed Maximum Concentration (Tmax)
NA Days
Standard Deviation NA
Systemic N-803 was below the limit of quantitation at all time points assessed. Thus, there was no evidence of systemic N-803 exposure after intravesical administration.

PRIMARY outcome

Timeframe: Study day 1 prior to dosing, and at post-bladder voiding (+ 15 minutes), 24 (±2), 48 (±4), 72 (±4), 96 (±4) and 168 (±4) hours after dosing administered at study Week 1 and again at the same time points for study Week 6.

Population: Systemic N-803 was below the limit of quantitation for all subjects at all time points assessed. Following intravesical administration, there was no evidence of systemic N-803 in any subject. PK parameters were not calculated.

Area under the plasma concentration curve from time 0 through the last measurable concentration (AUC0-t)

Outcome measures

Outcome measures
Measure
Cohort A: CIS (Either Study)
n=1 Participants
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. BCG in Combination with N-803: BCG in Combination with N-803
Cohort B: High-Grade Ta/T1 Papillary Disease (Either Study)
Patients with histologically confirmed presence of BCG-unresponsive high-grade Ta/T1 papillary disease BCG in Combination with N-803: BCG in Combination with N-803
Cohort C: CIS (QUILT-3.032)
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. N-803 alone: N-803 alone
Area Under the Plasma Concentration Curve From Time 0 Through the Last Measurable Concentration (AUC0-t)
NA Day*pg/mL
Standard Deviation NA
Systemic N-803 was below the limit of quantitation at all time points assessed. Thus, there was no evidence of systemic N-803 exposure after intravesical administration.

PRIMARY outcome

Timeframe: Study day 1 prior to dosing, and at post-bladder voiding (+ 15 minutes), 24 (±2), 48 (±4), 72 (±4), 96 (±4) and 168 (±4) hours after dosing administered at study Week 1 and again at the same time points for study Week 6.

Population: Systemic N-803 was below the limit of quantitation for all subjects at all time points assessed. Following intravesical administration, there was no evidence of systemic N-803 in any subject. PK parameters were not calculated.

Area under the plasma concentration curve from time 0 extrapolated to infinite time (AUC0-inf)

Outcome measures

Outcome measures
Measure
Cohort A: CIS (Either Study)
n=1 Participants
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. BCG in Combination with N-803: BCG in Combination with N-803
Cohort B: High-Grade Ta/T1 Papillary Disease (Either Study)
Patients with histologically confirmed presence of BCG-unresponsive high-grade Ta/T1 papillary disease BCG in Combination with N-803: BCG in Combination with N-803
Cohort C: CIS (QUILT-3.032)
Patients with histologically confirmed presence of BCG-unresponsive CIS, \[with or without Ta/T1 papillary disease\]. N-803 alone: N-803 alone
Area Under the Plasma Concentration Curve From Time 0 Extrapolated to Infinite Time (AUC0-inf)
NA Day*pg/mL
Standard Deviation NA
Systemic N-803 was below the limit of quantitation at all time points assessed. Thus, there was no evidence of systemic N-803 exposure after intravesical administration.

Adverse Events

Cohort A: CIS (Either Study)

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

Cohort B: High-Grade Ta/T1 Papillary Disease (Either Study)

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

Cohort C: CIS (QUILT-3.032)

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Sandeep Bobby Reddy, Chief Medical Officer

ImmunityBio

Phone: 855-797-9277

Results disclosure agreements

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