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A Proof-of-Mechanism Study to Determine the Effect of Danicopan on C3 Levels in Participants With C3G or IC-MPGN

A Phase 2a Proof-of-Mechanism, Open-Label Study to Determine the Effect of ACH-0144471 on C3 Levels in Participants With Low C3 Levels Due to Either C3 Glomerulopathy (C3G) or Immune-Complex Membranoproliferative Glomerulonephritis (IC-MPGN)

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03124368
Enrollment
6
Registered
2017-04-21
Start date
2017-08-09
Completion date
2019-01-09
Last updated
2021-11-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

C3 Glomerulonephritis, C3 Glomerulopathy, Dense Deposit Disease, Immune Complex Mediated Membranoproliferative Glomerulonephritis, Membranoproliferative Glomerulonephritis Types I, II, and III

Keywords

factor D, FD, alternative pathway, complement mediated disease, idiopathic MPGN, MPGN Type I, MPGN Type II, MPGN Type III, Primary MPGN, MCGN, Mesangiocapillary Glomerulonephritis, C3 Glomerulopathy, C3G, Membranoproliferative Glomerulonephritis, C3GN, Dense Deposit Disease, DDD

Brief summary

The primary objective of this study was to determine whether ACH-0144471 (also known as danicopan and ALXN2040) increases blood C3 complement protein (C3) levels in participants with low C3 levels due to either C3G or IC-MPGN.

Interventions

DRUGDanicopan

Participants received study drug for 14 days (Treatment Period), followed by a taper over the next 7 days (Taper Period).

Sponsors

Achillion, a wholly owned subsidiary of Alexion
CollaboratorINDUSTRY
Alexion Pharmaceuticals, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
BASIC_SCIENCE
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
16 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

Key Inclusion Criteria: * Must have had clinical diagnosis of C3G (C3 glomerulonephritis or dense deposit disease, the 2 types of C3G) or idiopathic IC-MPGN by renal biopsy for at least 3 months prior to dosing, with the pathologic diagnosis verified by a review of the renal biopsy by the study central pathologist * C3 must have been \<50% of the lower limit of normal * C4 complement protein (C4) must have been \>90% of the lower limit of normal * Must have been willing to comply with study-specific vaccination requirements for Haemophilus influenzae, Streptococcus pneumoniae, and Neisseria meningitidis strains A, C, W, and Y * Negative pregnancy test for females prior to dosing and throughout the study Key

Exclusion criteria

* History of a major organ transplant (for example, heart, lung, kidney, liver) or hematopoietic stem cell/marrow transplant. Individuals receiving renal replacement therapy were also excluded * Evidence of monoclonal gammopathy of unclear significance, infections, malignancy, autoimmune diseases, or other conditions to which C3G or IC-MPGN may have been secondary * Estimated glomerular filtration rate (using Modification of Diet in Renal Disease equation) \<45 milliliters/minute/1.73 square meters at the time of Screening or at any time over the preceding 4 weeks * Receipt of eculizumab at any dose or interval within the past 75 days prior to dosing * Use of tacrolimus or cyclosporine within 2 weeks of the first dose of danicopan * History of febrile illness, a body temperature \>38°Celsius, or other evidence of a clinically significant active infection, within 14 days prior to study drug administration * History of meningococcal infection, or a first-degree relative or household contact with a history of meningococcal infection * Females who were pregnant, nursing, or planning to become pregnant during the study or within 90 days of study drug administration or participants with a female partner who was pregnant, nursing, or planning to become pregnant during the study or within 90 days of study drug administration

Design outcomes

Primary

MeasureTime frameDescription
Change From Baseline In Serum C3 Complement Protein (C3) Levels On Day 15Baseline, Day 15Serum C3 levels were measured by conventional Roche immunoturbidimetric assay method. Change from Baseline = Serum C3 levels on Day 15 - Baseline Serum C3 levels
Change From Baseline In Plasma Intact C3 Level On Day 15Baseline, Day 15Plasma Intact C3 level were measured by a novel multiplex assay method. Change from Baseline = Plasma Intact C3 levels on Day 15 - Baseline Plasma Intact C3 levels

Secondary

MeasureTime frameDescription
Time To Achieving Peak Serum C3 LevelsFrom The First Day Of Dosing through Day 14Serial serum samples were collected on Days 1, 7, and 14.
Number Of Participants With Serious Adverse Events (SAEs), Grade 3 And Grade 4 Treatment-emergent Adverse Events (TEAEs), And Adverse Events (AEs) Leading To DiscontinuationUp to Day 49An AE was as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug related. An SAE was an AE that met at least 1 of the following criteria: resulted in death, was life-threatening, required inpatient hospitalization or prolongation of existing hospitalization for the AE, persistent or significant disability/incapacity or substantial disruption of the ability to conduct normal life functions, congenital anomaly/birth defect (in the child of a participant who was exposed to the study drug), important medical event or reaction. The intensity of an AE was graded according to the Common Terminology Criteria for Adverse Events (CTCAE) Adverse Event Severity Grading Table. A summary of SAEs and other non-serious AEs regardless of causality is located in the Reported Adverse Events module.
Pharmacokinetics (PK): Area Under The Plasma Concentration-time Curve From Time Of Administration To 8 Hours Postdose (AUC0-8)Days 1 and 7Serial blood samples were collected at 0, 1, 1.5, 2, 2.5, 3, 4, 6, and 8 hours post-dose on Days 1 and 7.
Change From Baseline In Total Complement Classical Pathway (CP) Activity On Day 14Baseline, Day 14CP activity was measured in serum by the DiaSorin Complement Activation Enzyme (CAE) functional immunoassay method, which measures terminal complement complex formation following activation. Results are expressed in CAE units which are calculated relative to previously established CAE activity of a positive control serum. Change from Baseline = Total Complement CP Activity on Day 14 - Baseline Total Complement CP Activity
PK: Time To Maximum Concentration (Tmax)Days 1 and 7Serial blood samples were collected at 0, 1, 1.5, 2, 2.5, 3, 4, 6, and 8 hours post-dose on Days 1 and 7.
Change From Baseline In Bb Fragment Of Complement Factor B (Bb) At Day 15Baseline, Day 15Plasma Bb was measured by enzyme-linked immunosorbent assay (ELISA). Change from Baseline = Complement Bb on Day 15 - Baseline
Change From Baseline In Soluble Terminal Complement Complex (sC5b-9) At Day 15Baseline, Day 15Plasma sC5b-9 was measured by ELISA. Change from Baseline = sC5b-9 on Day 15 - Baseline sC5b-9
PK: Maximum Plasma Concentration (Cmax)Days 1 and 7Serial blood samples were collected at 0, 1, 1.5, 2, 2.5, 3, 4, 6, and 8 hours post-dose on Days 1 and 7.
Change From Baseline In Total Complement Alternative Pathway (AP) Functional Activity (AP Wieslab) On Day 15Baseline, Day 15AP functional activity was measured in serum by the Wieslab functional immunoassay method, which measures terminal complement complex (TCC) formation following AP-specific activation. Results are expressed as percent TCC production relative to a positive control serum. Change from Baseline = Total Complement AP Functional Activity on Day 15 - Baseline Total Complement AP Functional Activity

Countries

Australia, Belgium, Netherlands

Participant flow

Recruitment details

Participants were recruited from 5 study centers total in Australia, Belgium, and The Netherlands. Only 3 study centers, 1 in each country, treated participants.

Participants by arm

ArmCount
Group 1: Danicopan 100 mg TID (Sentinel)
Participants received 100 mg of danicopan TID during the Treatment Period.
2
Group 2: Danicopan up to 200 mg TID
Participants received not more than 200 mg of danicopan TID during the Treatment Period.
4
Total6

Baseline characteristics

CharacteristicGroup 2: Danicopan up to 200 mg TIDTotalGroup 1: Danicopan 100 mg TID (Sentinel)
Age, Continuous30.00 years
STANDARD_DEVIATION 12.68
28.50 years
STANDARD_DEVIATION 10.69
25.50 years
STANDARD_DEVIATION 7.85
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
1 Participants3 Participants2 Participants
Race (NIH/OMB)
Black or African American
0 Participants0 Participants0 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
3 Participants3 Participants0 Participants
Sex: Female, Male
Female
1 Participants1 Participants0 Participants
Sex: Female, Male
Male
3 Participants5 Participants2 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 20 / 4
other
Total, other adverse events
2 / 23 / 4
serious
Total, serious adverse events
0 / 21 / 4

Outcome results

Primary

Change From Baseline In Plasma Intact C3 Level On Day 15

Plasma Intact C3 level were measured by a novel multiplex assay method. Change from Baseline = Plasma Intact C3 levels on Day 15 - Baseline Plasma Intact C3 levels

Time frame: Baseline, Day 15

Population: All participants who received at least 1 dose of danicopan and who had a baseline measurement and at least 1 measurement during the treatment period.

ArmMeasureGroupValue (MEAN)Dispersion
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Plasma Intact C3 Level On Day 15Change from Baseline14.80 μg/mLStandard Deviation 18.1
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Plasma Intact C3 Level On Day 15Day 1554.30 μg/mLStandard Deviation 17.39
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Plasma Intact C3 Level On Day 15Baseline39.50 μg/mLStandard Deviation 0.71
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Plasma Intact C3 Level On Day 15Day 1533.50 μg/mLStandard Deviation 9.04
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Plasma Intact C3 Level On Day 15Baseline58.25 μg/mLStandard Deviation 47.91
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Plasma Intact C3 Level On Day 15Change from Baseline-24.75 μg/mLStandard Deviation 50.97
TotalChange From Baseline In Plasma Intact C3 Level On Day 15Baseline52.00 μg/mLStandard Deviation 38.36
TotalChange From Baseline In Plasma Intact C3 Level On Day 15Change from Baseline-11.57 μg/mLStandard Deviation 45.18
TotalChange From Baseline In Plasma Intact C3 Level On Day 15Day 1540.43 μg/mLStandard Deviation 15
Primary

Change From Baseline In Serum C3 Complement Protein (C3) Levels On Day 15

Serum C3 levels were measured by conventional Roche immunoturbidimetric assay method. Change from Baseline = Serum C3 levels on Day 15 - Baseline Serum C3 levels

Time frame: Baseline, Day 15

Population: All participants who received at least 1 dose of danicopan and who had a baseline measurement and at least 1 measurement during the treatment period.

ArmMeasureGroupValue (MEAN)Dispersion
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Serum C3 Complement Protein (C3) Levels On Day 15Day 150.35 g/LStandard Deviation 0.06
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Serum C3 Complement Protein (C3) Levels On Day 15Baseline0.32 g/LStandard Deviation 0.06
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Serum C3 Complement Protein (C3) Levels On Day 15Change from Baseline0.03 g/LStandard Deviation 0
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Serum C3 Complement Protein (C3) Levels On Day 15Day 150.70 g/LStandard Deviation 0.35
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Serum C3 Complement Protein (C3) Levels On Day 15Baseline0.56 g/LStandard Deviation 0.23
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Serum C3 Complement Protein (C3) Levels On Day 15Change from Baseline0.14 g/LStandard Deviation 0.14
TotalChange From Baseline In Serum C3 Complement Protein (C3) Levels On Day 15Baseline0.48 g/LStandard Deviation 0.22
TotalChange From Baseline In Serum C3 Complement Protein (C3) Levels On Day 15Change from Baseline0.11 g/LStandard Deviation 0.12
TotalChange From Baseline In Serum C3 Complement Protein (C3) Levels On Day 15Day 150.58 g/LStandard Deviation 0.33
Secondary

Change From Baseline In Bb Fragment Of Complement Factor B (Bb) At Day 15

Plasma Bb was measured by enzyme-linked immunosorbent assay (ELISA). Change from Baseline = Complement Bb on Day 15 - Baseline

Time frame: Baseline, Day 15

Population: All participants who received at least 1 dose of danicopan and who had a baseline measurement and at least 1 measurement during the treatment period.

ArmMeasureGroupValue (MEAN)Dispersion
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Bb Fragment Of Complement Factor B (Bb) At Day 15Change from baseline-0.278 µg/mLStandard Deviation 0.2335
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Bb Fragment Of Complement Factor B (Bb) At Day 15Day 151.511 µg/mLStandard Deviation 0.9781
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Bb Fragment Of Complement Factor B (Bb) At Day 15Baseline1.789 µg/mLStandard Deviation 1.2116
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Bb Fragment Of Complement Factor B (Bb) At Day 15Day 150.622 µg/mLStandard Deviation 0.3349
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Bb Fragment Of Complement Factor B (Bb) At Day 15Baseline1.229 µg/mLStandard Deviation 0.4729
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Bb Fragment Of Complement Factor B (Bb) At Day 15Change from baseline-0.607 µg/mLStandard Deviation 0.179
TotalChange From Baseline In Bb Fragment Of Complement Factor B (Bb) At Day 15Baseline1.416 µg/mLStandard Deviation 0.7152
TotalChange From Baseline In Bb Fragment Of Complement Factor B (Bb) At Day 15Change from baseline-0.497 µg/mLStandard Deviation 0.243
TotalChange From Baseline In Bb Fragment Of Complement Factor B (Bb) At Day 15Day 150.918 µg/mLStandard Deviation 0.6854
Secondary

Change From Baseline In Soluble Terminal Complement Complex (sC5b-9) At Day 15

Plasma sC5b-9 was measured by ELISA. Change from Baseline = sC5b-9 on Day 15 - Baseline sC5b-9

Time frame: Baseline, Day 15

Population: All participants who received at least 1 dose of danicopan and who had a baseline measurement and at least 1 measurement during the treatment period.

ArmMeasureGroupValue (MEAN)Dispersion
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Soluble Terminal Complement Complex (sC5b-9) At Day 15Change from Baseline103.500 ng/mLStandard Deviation 61.5183
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Soluble Terminal Complement Complex (sC5b-9) At Day 15Baseline1002.0 ng/mLStandard Deviation 684.4794
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Soluble Terminal Complement Complex (sC5b-9) At Day 15Day 151105.5 ng/mLStandard Deviation 622.9611
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Soluble Terminal Complement Complex (sC5b-9) At Day 15Baseline613.750 ng/mLStandard Deviation 225.2397
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Soluble Terminal Complement Complex (sC5b-9) At Day 15Day 15563.850 ng/mLStandard Deviation 302.4446
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Soluble Terminal Complement Complex (sC5b-9) At Day 15Change from Baseline-49.900 ng/mLStandard Deviation 237.1917
TotalChange From Baseline In Soluble Terminal Complement Complex (sC5b-9) At Day 15Baseline743.167 ng/mLStandard Deviation 405.3874
TotalChange From Baseline In Soluble Terminal Complement Complex (sC5b-9) At Day 15Change from Baseline1.233 ng/mLStandard Deviation 201.9602
TotalChange From Baseline In Soluble Terminal Complement Complex (sC5b-9) At Day 15Day 15744.400 ng/mLStandard Deviation 459.0596
Secondary

Change From Baseline In Total Complement Alternative Pathway (AP) Functional Activity (AP Wieslab) On Day 15

AP functional activity was measured in serum by the Wieslab functional immunoassay method, which measures terminal complement complex (TCC) formation following AP-specific activation. Results are expressed as percent TCC production relative to a positive control serum. Change from Baseline = Total Complement AP Functional Activity on Day 15 - Baseline Total Complement AP Functional Activity

Time frame: Baseline, Day 15

Population: All participants who received at least 1 dose of danicopan and who had a baseline measurement and at least 1 measurement during the treatment period.

ArmMeasureGroupValue (MEAN)Dispersion
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Total Complement Alternative Pathway (AP) Functional Activity (AP Wieslab) On Day 15Day 151.635 percentage of activityStandard Deviation 2.3122
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Total Complement Alternative Pathway (AP) Functional Activity (AP Wieslab) On Day 15Baseline8.350 percentage of activityStandard Deviation 10.508
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Total Complement Alternative Pathway (AP) Functional Activity (AP Wieslab) On Day 15Change from Baseline-6.715 percentage of activityStandard Deviation 8.1954
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Total Complement Alternative Pathway (AP) Functional Activity (AP Wieslab) On Day 15Day 150.993 percentage of activityStandard Deviation 1.1101
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Total Complement Alternative Pathway (AP) Functional Activity (AP Wieslab) On Day 15Baseline31.073 percentage of activityStandard Deviation 19.779
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Total Complement Alternative Pathway (AP) Functional Activity (AP Wieslab) On Day 15Change from Baseline-30.08 percentage of activityStandard Deviation 19.176
TotalChange From Baseline In Total Complement Alternative Pathway (AP) Functional Activity (AP Wieslab) On Day 15Baseline23.498 percentage of activityStandard Deviation 19.862
TotalChange From Baseline In Total Complement Alternative Pathway (AP) Functional Activity (AP Wieslab) On Day 15Change from Baseline-22.29 percentage of activityStandard Deviation 19.484
TotalChange From Baseline In Total Complement Alternative Pathway (AP) Functional Activity (AP Wieslab) On Day 15Day 151.207 percentage of activityStandard Deviation 1.3852
Secondary

Change From Baseline In Total Complement Classical Pathway (CP) Activity On Day 14

CP activity was measured in serum by the DiaSorin Complement Activation Enzyme (CAE) functional immunoassay method, which measures terminal complement complex formation following activation. Results are expressed in CAE units which are calculated relative to previously established CAE activity of a positive control serum. Change from Baseline = Total Complement CP Activity on Day 14 - Baseline Total Complement CP Activity

Time frame: Baseline, Day 14

Population: All participants who received at least 1 dose of danicopan and who had a baseline measurement and at least 1 measurement during the treatment period.

ArmMeasureGroupValue (MEAN)Dispersion
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Total Complement Classical Pathway (CP) Activity On Day 14Day 1441.50 CAE unitStandard Deviation 23.33
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Total Complement Classical Pathway (CP) Activity On Day 14Baseline31.00 CAE unitStandard Deviation 21.21
Group 1: Danicopan 100 mg TID (Sentinel)Change From Baseline In Total Complement Classical Pathway (CP) Activity On Day 14Change from Baseline10.50 CAE unitStandard Deviation 2.12
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Total Complement Classical Pathway (CP) Activity On Day 14Day 1496.75 CAE unitStandard Deviation 23.68
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Total Complement Classical Pathway (CP) Activity On Day 14Baseline91.00 CAE unitStandard Deviation 41.37
Group 2: Danicopan up to 200 mg TIDChange From Baseline In Total Complement Classical Pathway (CP) Activity On Day 14Change from Baseline5.75 CAE unitStandard Deviation 34.25
TotalChange From Baseline In Total Complement Classical Pathway (CP) Activity On Day 14Baseline71.00 CAE unitStandard Deviation 45.57
TotalChange From Baseline In Total Complement Classical Pathway (CP) Activity On Day 14Change from Baseline7.33 CAE unitStandard Deviation 26.66
TotalChange From Baseline In Total Complement Classical Pathway (CP) Activity On Day 14Day 1478.33 CAE unitStandard Deviation 35.49
Secondary

Number Of Participants With Serious Adverse Events (SAEs), Grade 3 And Grade 4 Treatment-emergent Adverse Events (TEAEs), And Adverse Events (AEs) Leading To Discontinuation

An AE was as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug related. An SAE was an AE that met at least 1 of the following criteria: resulted in death, was life-threatening, required inpatient hospitalization or prolongation of existing hospitalization for the AE, persistent or significant disability/incapacity or substantial disruption of the ability to conduct normal life functions, congenital anomaly/birth defect (in the child of a participant who was exposed to the study drug), important medical event or reaction. The intensity of an AE was graded according to the Common Terminology Criteria for Adverse Events (CTCAE) Adverse Event Severity Grading Table. A summary of SAEs and other non-serious AEs regardless of causality is located in the Reported Adverse Events module.

Time frame: Up to Day 49

Population: All participants who received at least 1 dose of danicopan and who had a baseline measurement and at least 1 measurement during the treatment period.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Group 1: Danicopan 100 mg TID (Sentinel)Number Of Participants With Serious Adverse Events (SAEs), Grade 3 And Grade 4 Treatment-emergent Adverse Events (TEAEs), And Adverse Events (AEs) Leading To DiscontinuationTEAEs2 Participants
Group 1: Danicopan 100 mg TID (Sentinel)Number Of Participants With Serious Adverse Events (SAEs), Grade 3 And Grade 4 Treatment-emergent Adverse Events (TEAEs), And Adverse Events (AEs) Leading To DiscontinuationSAEs0 Participants
Group 1: Danicopan 100 mg TID (Sentinel)Number Of Participants With Serious Adverse Events (SAEs), Grade 3 And Grade 4 Treatment-emergent Adverse Events (TEAEs), And Adverse Events (AEs) Leading To DiscontinuationTEAEs ≥Grade 30 Participants
Group 1: Danicopan 100 mg TID (Sentinel)Number Of Participants With Serious Adverse Events (SAEs), Grade 3 And Grade 4 Treatment-emergent Adverse Events (TEAEs), And Adverse Events (AEs) Leading To DiscontinuationTEAEs leading to discontinuation0 Participants
Group 2: Danicopan up to 200 mg TIDNumber Of Participants With Serious Adverse Events (SAEs), Grade 3 And Grade 4 Treatment-emergent Adverse Events (TEAEs), And Adverse Events (AEs) Leading To DiscontinuationTEAEs leading to discontinuation0 Participants
Group 2: Danicopan up to 200 mg TIDNumber Of Participants With Serious Adverse Events (SAEs), Grade 3 And Grade 4 Treatment-emergent Adverse Events (TEAEs), And Adverse Events (AEs) Leading To DiscontinuationTEAEs3 Participants
Group 2: Danicopan up to 200 mg TIDNumber Of Participants With Serious Adverse Events (SAEs), Grade 3 And Grade 4 Treatment-emergent Adverse Events (TEAEs), And Adverse Events (AEs) Leading To DiscontinuationTEAEs ≥Grade 30 Participants
Group 2: Danicopan up to 200 mg TIDNumber Of Participants With Serious Adverse Events (SAEs), Grade 3 And Grade 4 Treatment-emergent Adverse Events (TEAEs), And Adverse Events (AEs) Leading To DiscontinuationSAEs1 Participants
TotalNumber Of Participants With Serious Adverse Events (SAEs), Grade 3 And Grade 4 Treatment-emergent Adverse Events (TEAEs), And Adverse Events (AEs) Leading To DiscontinuationTEAEs leading to discontinuation0 Participants
TotalNumber Of Participants With Serious Adverse Events (SAEs), Grade 3 And Grade 4 Treatment-emergent Adverse Events (TEAEs), And Adverse Events (AEs) Leading To DiscontinuationSAEs1 Participants
TotalNumber Of Participants With Serious Adverse Events (SAEs), Grade 3 And Grade 4 Treatment-emergent Adverse Events (TEAEs), And Adverse Events (AEs) Leading To DiscontinuationTEAEs ≥Grade 30 Participants
TotalNumber Of Participants With Serious Adverse Events (SAEs), Grade 3 And Grade 4 Treatment-emergent Adverse Events (TEAEs), And Adverse Events (AEs) Leading To DiscontinuationTEAEs5 Participants
Secondary

Pharmacokinetics (PK): Area Under The Plasma Concentration-time Curve From Time Of Administration To 8 Hours Postdose (AUC0-8)

Serial blood samples were collected at 0, 1, 1.5, 2, 2.5, 3, 4, 6, and 8 hours post-dose on Days 1 and 7.

Time frame: Days 1 and 7

Population: All participants receiving at least 1 dose of danicopan who had a baseline measurement and at least 1 measurement during the treatment period.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Group 1: Danicopan 100 mg TID (Sentinel)Pharmacokinetics (PK): Area Under The Plasma Concentration-time Curve From Time Of Administration To 8 Hours Postdose (AUC0-8)Day 1871 h*ng/mLGeometric Coefficient of Variation 38.1
Group 1: Danicopan 100 mg TID (Sentinel)Pharmacokinetics (PK): Area Under The Plasma Concentration-time Curve From Time Of Administration To 8 Hours Postdose (AUC0-8)Day 71120 h*ng/mLGeometric Coefficient of Variation 44.4
Group 2: Danicopan up to 200 mg TIDPharmacokinetics (PK): Area Under The Plasma Concentration-time Curve From Time Of Administration To 8 Hours Postdose (AUC0-8)Day 12060 h*ng/mL
Group 2: Danicopan up to 200 mg TIDPharmacokinetics (PK): Area Under The Plasma Concentration-time Curve From Time Of Administration To 8 Hours Postdose (AUC0-8)Day 72470 h*ng/mL
TotalPharmacokinetics (PK): Area Under The Plasma Concentration-time Curve From Time Of Administration To 8 Hours Postdose (AUC0-8)Day 11640 h*ng/mLGeometric Coefficient of Variation 42.8
TotalPharmacokinetics (PK): Area Under The Plasma Concentration-time Curve From Time Of Administration To 8 Hours Postdose (AUC0-8)Day 71760 h*ng/mLGeometric Coefficient of Variation 24.2
Secondary

PK: Maximum Plasma Concentration (Cmax)

Serial blood samples were collected at 0, 1, 1.5, 2, 2.5, 3, 4, 6, and 8 hours post-dose on Days 1 and 7.

Time frame: Days 1 and 7

Population: All participants receiving at least 1 dose of danicopan who had a baseline measurement and at least 1 measurement during the treatment period.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Group 1: Danicopan 100 mg TID (Sentinel)PK: Maximum Plasma Concentration (Cmax)Day 1199 ng/mLGeometric Coefficient of Variation 6.75
Group 1: Danicopan 100 mg TID (Sentinel)PK: Maximum Plasma Concentration (Cmax)Day 7270 ng/mLGeometric Coefficient of Variation 41.2
Group 2: Danicopan up to 200 mg TIDPK: Maximum Plasma Concentration (Cmax)Day 1563 ng/mL
Group 2: Danicopan up to 200 mg TIDPK: Maximum Plasma Concentration (Cmax)Day 7579 ng/mL
TotalPK: Maximum Plasma Concentration (Cmax)Day 1427 ng/mLGeometric Coefficient of Variation 46.3
TotalPK: Maximum Plasma Concentration (Cmax)Day 7385 ng/mLGeometric Coefficient of Variation 39.1
Secondary

PK: Time To Maximum Concentration (Tmax)

Serial blood samples were collected at 0, 1, 1.5, 2, 2.5, 3, 4, 6, and 8 hours post-dose on Days 1 and 7.

Time frame: Days 1 and 7

Population: All participants receiving at least 1 dose of danicopan who had a baseline measurement and at least 1 measurement during the treatment period.

ArmMeasureGroupValue (MEDIAN)
Group 1: Danicopan 100 mg TID (Sentinel)PK: Time To Maximum Concentration (Tmax)Day 11.00 hours
Group 1: Danicopan 100 mg TID (Sentinel)PK: Time To Maximum Concentration (Tmax)Day 72.75 hours
Group 2: Danicopan up to 200 mg TIDPK: Time To Maximum Concentration (Tmax)Day 12.50 hours
Group 2: Danicopan up to 200 mg TIDPK: Time To Maximum Concentration (Tmax)Day 72.50 hours
TotalPK: Time To Maximum Concentration (Tmax)Day 12.00 hours
TotalPK: Time To Maximum Concentration (Tmax)Day 71.50 hours
Secondary

Time To Achieving Peak Serum C3 Levels

Serial serum samples were collected on Days 1, 7, and 14.

Time frame: From The First Day Of Dosing through Day 14

Population: All participants who received at least 1 dose of danicopan and who had a baseline measurement and at least 1 measurement during the treatment period.

ArmMeasureValue (MEAN)Dispersion
Group 1: Danicopan 100 mg TID (Sentinel)Time To Achieving Peak Serum C3 Levels2.5 daysStandard Deviation 2.12
Group 2: Danicopan up to 200 mg TIDTime To Achieving Peak Serum C3 Levels10.5 daysStandard Deviation 4.43
TotalTime To Achieving Peak Serum C3 Levels7.8 daysStandard Deviation 5.46

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026