Trial Outcomes & Findings for Phase 2 Safety and Efficacy Study of Zilucoplan (RA101495) to Treat PNH Patients Who Have an Inadequate Response to Eculizumab (NCT NCT03030183)

NCT ID: NCT03030183

Last Updated: 2022-07-27

Results Overview

Change-from-baseline through Week 12 in serum lactate dehydrogenase (LDH) levels

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

3 participants

Primary outcome timeframe

Through Week 12 of the study

Results posted on

2022-07-27

Participant Flow

Participant milestones

Participant milestones
Measure
Zilucoplan (RA101495)
Subjects will receive zilucoplan (RA101495) at the dose of 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC Zilucoplan (RA101495): 0. 3mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC
Overall Study
STARTED
3
Overall Study
COMPLETED
3
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Phase 2 Safety and Efficacy Study of Zilucoplan (RA101495) to Treat PNH Patients Who Have an Inadequate Response to Eculizumab

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Zilucoplan (RA101495)
n=3 Participants
Subjects will receive zilucoplan (RA101495) at the dose of 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC Zilucoplan (RA101495): 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
3 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
Age, Continuous
35.3 years
STANDARD_DEVIATION 16.3 • n=5 Participants
Sex: Female, Male
Female
1 Participants
n=5 Participants
Sex: Female, Male
Male
2 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
3 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 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
1 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=5 Participants
Region of Enrollment
United States
3 participants
n=5 Participants
Weight
109.67 kg
STANDARD_DEVIATION 13.97 • n=5 Participants
Height
176.20 cm
STANDARD_DEVIATION 7.60 • n=5 Participants
BMI
35.72 kg/m2
STANDARD_DEVIATION 7.76 • n=5 Participants

PRIMARY outcome

Timeframe: Through Week 12 of the study

Population: Efficacy Evaluable

Change-from-baseline through Week 12 in serum lactate dehydrogenase (LDH) levels

Outcome measures

Outcome measures
Measure
Zilucoplan (RA101495)
n=3 Participants
Subjects will receive zilucoplan (RA101495) at the dose of 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC Zilucoplan (RA101495): 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC
Change-from-baseline in Serum Lactate Dehydrogenase (LDH) Levels.
100.3 U/L
Standard Deviation 128.0

SECONDARY outcome

Timeframe: Through week 12

Population: Efficacy Evaluable

Changes from baseline at each of the scheduled postbaseline time-points

Outcome measures

Outcome measures
Measure
Zilucoplan (RA101495)
n=3 Participants
Subjects will receive zilucoplan (RA101495) at the dose of 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC Zilucoplan (RA101495): 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC
Change-from-baseline Bilirubin Values
Week 1
-3.3 umol/L
Standard Deviation 5.1
Change-from-baseline Bilirubin Values
Week 2
-4.7 umol/L
Standard Deviation 12.0
Change-from-baseline Bilirubin Values
Week 3
-4.3 umol/L
Standard Deviation 7.5
Change-from-baseline Bilirubin Values
Week 4
-0.3 umol/L
Standard Deviation 2.9
Change-from-baseline Bilirubin Values
Week 6
-6.7 umol/L
Standard Deviation 17.5
Change-from-baseline Bilirubin Values
Week 8
-2.3 umol/L
Standard Deviation 12.5
Change-from-baseline Bilirubin Values
Week 10
-7.7 umol/L
Standard Deviation 14.8
Change-from-baseline Bilirubin Values
Week 12
-2.0 umol/L
Standard Deviation 6.2

SECONDARY outcome

Timeframe: Through week 12

Population: Efficacy Evaluable

Changes from baseline at each of the scheduled postbaseline time-points

Outcome measures

Outcome measures
Measure
Zilucoplan (RA101495)
n=3 Participants
Subjects will receive zilucoplan (RA101495) at the dose of 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC Zilucoplan (RA101495): 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC
Change-from-baseline Total Hemoglobin Values
Week 1
5.7 g/L
Standard Deviation 4.2
Change-from-baseline Total Hemoglobin Values
Week 2
3.3 g/L
Standard Deviation 3.8
Change-from-baseline Total Hemoglobin Values
Week 3
0.3 g/L
Standard Deviation 4.0
Change-from-baseline Total Hemoglobin Values
Week 4
-0.3 g/L
Standard Deviation 7.2
Change-from-baseline Total Hemoglobin Values
Week 6
0.7 g/L
Standard Deviation 5.8
Change-from-baseline Total Hemoglobin Values
Week 8
-3.3 g/L
Standard Deviation 4.2
Change-from-baseline Total Hemoglobin Values
Week 10
2.3 g/L
Standard Deviation 3.1
Change-from-baseline Total Hemoglobin Values
Week 12
0.3 g/L
Standard Deviation 2.5

SECONDARY outcome

Timeframe: Through week 12

Population: Efficacy Evaluable

Changes from baseline at each of the scheduled postbaseline time-points

Outcome measures

Outcome measures
Measure
Zilucoplan (RA101495)
n=3 Participants
Subjects will receive zilucoplan (RA101495) at the dose of 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC Zilucoplan (RA101495): 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC
Change-from-baseline Free Hemoglobin Values
Week 1
-145.90 mg/dL
Change-from-baseline Free Hemoglobin Values
Week 2
-140.60 mg/dL
Change-from-baseline Free Hemoglobin Values
Week 3
-147.70 mg/dL
Change-from-baseline Free Hemoglobin Values
Week 4
-138.40 mg/dL
Change-from-baseline Free Hemoglobin Values
Week 6
-147.30 mg/dL
Change-from-baseline Free Hemoglobin Values
Week 8
-148.10 mg/dL
Change-from-baseline Free Hemoglobin Values
Week 10
-143.50 mg/dL
Change-from-baseline Free Hemoglobin Values
Week 12
-144.30 mg/dL

SECONDARY outcome

Timeframe: Through week 12

Population: Efficacy Evaluable

Changes from baseline at each of the scheduled postbaseline time-points

Outcome measures

Outcome measures
Measure
Zilucoplan (RA101495)
n=3 Participants
Subjects will receive zilucoplan (RA101495) at the dose of 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC Zilucoplan (RA101495): 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC
Change-from-baseline Haptoglobin Values
Week 1
0.000 g/L
Standard Deviation 0.000
Change-from-baseline Haptoglobin Values
Week 2
0.000 g/L
Standard Deviation 0.000
Change-from-baseline Haptoglobin Values
Week 3
0.000 g/L
Standard Deviation 0.000
Change-from-baseline Haptoglobin Values
Week 4
0.133 g/L
Standard Deviation 0.231
Change-from-baseline Haptoglobin Values
Week 6
0.000 g/L
Standard Deviation 0.000
Change-from-baseline Haptoglobin Values
Week 8
0.000 g/L
Standard Deviation 0.000
Change-from-baseline Haptoglobin Values
Week 10
0.000 g/L
Standard Deviation 0.000
Change-from-baseline Haptoglobin Values
Week 12
0.000 g/L
Standard Deviation 0.000

SECONDARY outcome

Timeframe: Through week 12

Population: Efficacy Evaluable

Changes from baseline at each of the scheduled postbaseline time-points

Outcome measures

Outcome measures
Measure
Zilucoplan (RA101495)
n=3 Participants
Subjects will receive zilucoplan (RA101495) at the dose of 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC Zilucoplan (RA101495): 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC
Change-from-baseline Reticulocyte Values
Week 1
-0.0190 10^12 cells/L
Standard Deviation 0.0382
Change-from-baseline Reticulocyte Values
Week 2
0.0090 10^12 cells/L
Standard Deviation 0.0052
Change-from-baseline Reticulocyte Values
Week 3
0.0430 10^12 cells/L
Standard Deviation 0.0327
Change-from-baseline Reticulocyte Values
Week 4
0.0477 10^12 cells/L
Standard Deviation 0.0499
Change-from-baseline Reticulocyte Values
Week 6
0.0310 10^12 cells/L
Standard Deviation 0.0157
Change-from-baseline Reticulocyte Values
Week 8
0.0253 10^12 cells/L
Standard Deviation 0.0248
Change-from-baseline Reticulocyte Values
Week 10
0.0350 10^12 cells/L
Standard Deviation 0.0350
Change-from-baseline Reticulocyte Values
Week 12
0.0190 10^12 cells/L
Standard Deviation 0.0092

SECONDARY outcome

Timeframe: Through week 12

Population: Efficacy Evaluable

Changes from baseline at each of the scheduled postbaseline time-points Hemoglobinuria was assessed using a urine colorimetric scoring system with a score of 1 through 10. Where 1 represents no hemoglobinuria and 10 represents maximum hemoglobinuria.

Outcome measures

Outcome measures
Measure
Zilucoplan (RA101495)
n=3 Participants
Subjects will receive zilucoplan (RA101495) at the dose of 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC Zilucoplan (RA101495): 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC
Change-from-baseline Hemoglobinuria Values
Week 1
0.0 score on a scale
Change-from-baseline Hemoglobinuria Values
Week 2
0.5 score on a scale
Standard Deviation 0.7
Change-from-baseline Hemoglobinuria Values
Week 3
0.5 score on a scale
Standard Deviation 0.7
Change-from-baseline Hemoglobinuria Values
Week 4
1.0 score on a scale
Standard Deviation 1.4
Change-from-baseline Hemoglobinuria Values
Week 6
0.5 score on a scale
Standard Deviation 0.7
Change-from-baseline Hemoglobinuria Values
Week 8
2.0 score on a scale
Change-from-baseline Hemoglobinuria Values
Week 10
2.3 score on a scale
Standard Deviation 2.5
Change-from-baseline Hemoglobinuria Values
Week 12
-0.3 score on a scale
Standard Deviation 2.1

Adverse Events

Zilucoplan (RA101495)

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Zilucoplan (RA101495)
n=3 participants at risk
Subjects will receive zilucoplan (RA101495) at the dose of 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC Zilucoplan (RA101495): 0.3 mg/kg subcutaneously (SC) at Day 1 (loading dose) followed by a starting maintenance dose of 0.1 mg/kg daily SC
Gastrointestinal disorders
Nausea
33.3%
1/3 • Number of events 1 • Through week 12 of the Study
General disorders
Influenza like illness
33.3%
1/3 • Number of events 1 • Through week 12 of the Study
Investigations
Lipase increased
33.3%
1/3 • Number of events 1 • Through week 12 of the Study
Musculoskeletal and connective tissue disorders
Musculoskeletal chest pain
33.3%
1/3 • Number of events 1 • Through week 12 of the Study
Musculoskeletal and connective tissue disorders
Pain in extremity
33.3%
1/3 • Number of events 1 • Through week 12 of the Study
Nervous system disorders
Headache
33.3%
1/3 • Number of events 1 • Through week 12 of the Study
Renal and urinary disorders
Haemoglobinuria
33.3%
1/3 • Number of events 1 • Through week 12 of the Study
Renal and urinary disorders
Nephrolithiasis
33.3%
1/3 • Number of events 1 • Through week 12 of the Study

Additional Information

Sponsor Ra Pharmaceutical, Inc

Ra Pharmaceutical, Inc

Phone: 1 617 401 4060

Results disclosure agreements

  • Principal investigator is a sponsor employee There is an agreement between the Principal Investigator and the Sponsor (or its agents) that restricts the PI's right to discuss or publish trial results after the trial is completed. Disclosure agreements are negotiated separately with each PI
  • Publication restrictions are in place

Restriction type: OTHER