Trial Outcomes & Findings for Open-Label Study to Evaluate Safety and Efficacy of CCX168 in Subjects With IGA Nephropathy on Stable RAAS Blockade (NCT NCT02384317)

NCT ID: NCT02384317

Last Updated: 2025-03-13

Results Overview

The mean change in the slope of the urinary protein:creatinine ratio (UPCR, in mg/g/week) between the 8-week run-in period and the 12-week treatment period

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

7 participants

Primary outcome timeframe

Week -8 to -1 (Run-in period) and Week 1 to 12 (treatment period)

Results posted on

2025-03-13

Participant Flow

Screening took place for 14 days. Screening was following by a combined renin-angiotensin-aldosterone system (RAAS) titration (up to 4 weeks) plus run-in period (8 weeks) with an additional up to 7-day eligibility confirmation.

Participant milestones

Participant milestones
Measure
CCX168
Modified Intent-to-Treatment (mITT) Population included all subjects who received at least one dose of study drug and who had at least one post baseline urinary PCR assessment.
Overall Study
STARTED
7
Overall Study
COMPLETED
7
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Open-Label Study to Evaluate Safety and Efficacy of CCX168 in Subjects With IGA Nephropathy on Stable RAAS Blockade

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Overall Study
n=7 Participants
Safety Population included of all subjects who received at least one dose of study drug.
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
7 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
Age, Continuous
44.1 years
STANDARD_DEVIATION 13.20 • n=5 Participants
Sex: Female, Male
Female
4 Participants
n=5 Participants
Sex: Female, Male
Male
3 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
6 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
1 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
0 Participants
n=5 Participants
Race (NIH/OMB)
White
6 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Region of Enrollment
United States
4 Participants
n=5 Participants
Region of Enrollment
Sweden
3 Participants
n=5 Participants
BMI
30.05 kg/m²
STANDARD_DEVIATION 8.29 • n=5 Participants
Mean time since diagnosis of IgAN
17.3 month
n=5 Participants
PCR
1906.84 mg/g
n=5 Participants
ACR
1528.42 mg/g
n=5 Participants
eGFR
65.89 mL/min/1.73m²
n=5 Participants
MCP-1 to Creatinine ratio
577.44 pg/mg crea
n=5 Participants

PRIMARY outcome

Timeframe: Week -8 to -1 (Run-in period) and Week 1 to 12 (treatment period)

The mean change in the slope of the urinary protein:creatinine ratio (UPCR, in mg/g/week) between the 8-week run-in period and the 12-week treatment period

Outcome measures

Outcome measures
Measure
CCX168
n=7 Participants
Modified Intent-to-Treatment (mITT) Population included all subjects who received at least one dose of study drug and who had at least one post baseline urinary PCR assessment.
8-week Run-in Period
n=7 Participants
8-week RAAS run-in period
12-week Treatment Period
n=7 Participants
12-week CCX168 treatment period
Change in Slope of First Morning Urinary PCR From the 8-week RAAS Blocker run-in Period to the 12-week CCX168 Treatment Period
-2.4 mg/g/week
Interval -133.6 to 128.7
15.3 mg/g/week
Interval -87.3 to 117.9
-23.9 mg/g/week
Interval -195.0 to 147.2

PRIMARY outcome

Timeframe: Day 0 - Day 169 (throughout the trial)

Acronyms use: Adverse Events (AE's) Serious Adverse Events (SAE's)

Outcome measures

Outcome measures
Measure
CCX168
n=7 Participants
Modified Intent-to-Treatment (mITT) Population included all subjects who received at least one dose of study drug and who had at least one post baseline urinary PCR assessment.
8-week Run-in Period
8-week RAAS run-in period
12-week Treatment Period
12-week CCX168 treatment period
Number of Participants With AE's
Subjects who had any AE
7 Participants
Number of Participants With AE's
Subjects who had an SAE
1 Participants
Number of Participants With AE's
Subjects who had an AE possibly related
5 Participants

PRIMARY outcome

Timeframe: Day 0 - Day 169 (throughout the trial)

Acronyms use: Adverse Events (AE's) Serious Adverse Events (SAE's)

Outcome measures

Outcome measures
Measure
CCX168
n=7 Participants
Modified Intent-to-Treatment (mITT) Population included all subjects who received at least one dose of study drug and who had at least one post baseline urinary PCR assessment.
8-week Run-in Period
8-week RAAS run-in period
12-week Treatment Period
12-week CCX168 treatment period
Severity of Adverse Events (AE's)
Deaths
0 Number of AEs
Severity of Adverse Events (AE's)
AE leading to interruption of treatment
1 Number of AEs
Severity of Adverse Events (AE's)
AE leading to permanent discontinuation of study
0 Number of AEs
Severity of Adverse Events (AE's)
Withdrawals due to AE
0 Number of AEs
Severity of Adverse Events (AE's)
AE of grade 3 ≥
1 Number of AEs
Severity of Adverse Events (AE's)
Related AE grade 3≥
0 Number of AEs

SECONDARY outcome

Timeframe: Baseline and Day 85

Renal Response defined as an improvement in proteinuria based on a decrease from baseline to Day 85 in proteinuria to a level \<300 mg/g creatinine and maintaining eGFR within 15% of baseline.

Outcome measures

Outcome measures
Measure
CCX168
n=7 Participants
Modified Intent-to-Treatment (mITT) Population included all subjects who received at least one dose of study drug and who had at least one post baseline urinary PCR assessment.
8-week Run-in Period
8-week RAAS run-in period
12-week Treatment Period
12-week CCX168 treatment period
Proportion of Subjects Achieving Renal Response From Baseline to Day 85
Patients with a renal response by Day 85
0 proportion of participants
Proportion of Subjects Achieving Renal Response From Baseline to Day 85
Patients with no renal response by Day 85
1 proportion of participants

SECONDARY outcome

Timeframe: Baseline and Day 85

A partial renal response, defined as an improvement in proteinuria based on a decrease from baseline to Day 85 in proteinuria to a level \<1 g/g creatinine and maintaining eGFR within 15% of baseline.

Outcome measures

Outcome measures
Measure
CCX168
n=7 Participants
Modified Intent-to-Treatment (mITT) Population included all subjects who received at least one dose of study drug and who had at least one post baseline urinary PCR assessment.
8-week Run-in Period
8-week RAAS run-in period
12-week Treatment Period
12-week CCX168 treatment period
Proportion of Subjects Achieving a Partial Renal Response From Baseline to Day 85
Patients with a partial renal response at day 85
0.29 proportion of participants
Proportion of Subjects Achieving a Partial Renal Response From Baseline to Day 85
Patients with no partial renal response at day 85
0.71 proportion of participants

SECONDARY outcome

Timeframe: Baseline to day 85

Outcome measures

Outcome measures
Measure
CCX168
n=7 Participants
Modified Intent-to-Treatment (mITT) Population included all subjects who received at least one dose of study drug and who had at least one post baseline urinary PCR assessment.
8-week Run-in Period
8-week RAAS run-in period
12-week Treatment Period
12-week CCX168 treatment period
Change From Baseline to Day 85 in Vital Signs
1.3 beats per minute
Standard Deviation 8.56

SECONDARY outcome

Timeframe: Baseline to day 85

Outcome measures

Outcome measures
Measure
CCX168
n=7 Participants
Modified Intent-to-Treatment (mITT) Population included all subjects who received at least one dose of study drug and who had at least one post baseline urinary PCR assessment.
8-week Run-in Period
8-week RAAS run-in period
12-week Treatment Period
12-week CCX168 treatment period
Change in Systolic Blood Pressure From Baseline to Day 85
-1.4 mmHg
Standard Deviation 12.11

SECONDARY outcome

Timeframe: Baseline to day 85

Outcome measures

Outcome measures
Measure
CCX168
n=7 Participants
Modified Intent-to-Treatment (mITT) Population included all subjects who received at least one dose of study drug and who had at least one post baseline urinary PCR assessment.
8-week Run-in Period
8-week RAAS run-in period
12-week Treatment Period
12-week CCX168 treatment period
Change in Diastolic Blood Pressure From Baseline to Day 85
2.1 mmHg
Standard Deviation 8.45

SECONDARY outcome

Timeframe: Baseline to day 85

Outcome measures

Outcome measures
Measure
CCX168
n=7 Participants
Modified Intent-to-Treatment (mITT) Population included all subjects who received at least one dose of study drug and who had at least one post baseline urinary PCR assessment.
8-week Run-in Period
8-week RAAS run-in period
12-week Treatment Period
12-week CCX168 treatment period
Change in Temperature From Baseline to Day 85
0.2 C
Standard Deviation 0.68

SECONDARY outcome

Timeframe: Baseline to day 85

Outcome measures

Outcome measures
Measure
CCX168
n=7 Participants
Modified Intent-to-Treatment (mITT) Population included all subjects who received at least one dose of study drug and who had at least one post baseline urinary PCR assessment.
8-week Run-in Period
8-week RAAS run-in period
12-week Treatment Period
12-week CCX168 treatment period
Change in Weight From Baseline to Day 85
-0.6 kg
Standard Deviation 2.39

Adverse Events

Safety Population

Serious events: 1 serious events
Other events: 7 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Safety Population
n=7 participants at risk
Safety population included all subjects who received any CCX168
Cardiac disorders
Angina unstable
14.3%
1/7 • From Baseline up to 169 days

Other adverse events

Other adverse events
Measure
Safety Population
n=7 participants at risk
Safety population included all subjects who received any CCX168
Nervous system disorders
Headache
42.9%
3/7 • Number of events 3 • From Baseline up to 169 days
Infections and infestations
Nasopharyngitis
42.9%
3/7 • Number of events 3 • From Baseline up to 169 days
General disorders
Peripheral swelling
42.9%
3/7 • Number of events 3 • From Baseline up to 169 days
Investigations
Aspartate aminotransferase increased
28.6%
2/7 • Number of events 3 • From Baseline up to 169 days
Investigations
Blood creatine phosphokinase increased
28.6%
2/7 • Number of events 3 • From Baseline up to 169 days
Gastrointestinal disorders
Diarrhea
28.6%
2/7 • Number of events 3 • From Baseline up to 169 days
Musculoskeletal and connective tissue disorders
Muscle spasms
28.6%
2/7 • Number of events 4 • From Baseline up to 169 days
Gastrointestinal disorders
Nausea
28.6%
2/7 • Number of events 4 • From Baseline up to 169 days
Infections and infestations
Urinary tract infection
28.6%
2/7 • Number of events 2 • From Baseline up to 169 days
Gastrointestinal disorders
Abdominal pain upper
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Investigations
Alanine aminotransferase increased
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Investigations
Blood creatinine increased
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Investigations
Blood lactate dehydrogenase increased
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Investigations
Blood thyroid stimulating hormone increased
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Respiratory, thoracic and mediastinal disorders
Cough
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Respiratory, thoracic and mediastinal disorders
Dyspnoea
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Renal and urinary disorders
Dysuria
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Investigations
Eosinophil count increased
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Injury, poisoning and procedural complications
Fall
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
General disorders
Fatigue
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Skin and subcutaneous tissue disorders
Hair growth abnormal
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Gastrointestinal disorders
Inguinal hernia
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
General disorders
Localized oedema
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Nervous system disorders
Migraine
14.3%
1/7 • Number of events 2 • From Baseline up to 169 days
Musculoskeletal and connective tissue disorders
Musculoskeletal chest pain
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Musculoskeletal and connective tissue disorders
Myalgia
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Musculoskeletal and connective tissue disorders
Neck pain
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
General disorders
Oedema peripheral
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Respiratory, thoracic and mediastinal disorders
Oropharyngeal pain
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Infections and infestations
Parotitis
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Renal and urinary disorders
Polyuria
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
General disorders
Pyrexia
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Infections and infestations
Rhinovirus infection
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Skin and subcutaneous tissue disorders
Skin swelling
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Infections and infestations
Upper respiratory tract infection
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Ear and labyrinth disorders
Vertigo
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Gastrointestinal disorders
Vomiting
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Respiratory, thoracic and mediastinal disorders
Wheezing
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days
Injury, poisoning and procedural complications
Wound
14.3%
1/7 • Number of events 1 • From Baseline up to 169 days

Additional Information

Study Director

ChemoCentryx

Phone: 650-210-2900

Results disclosure agreements

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