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Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/ct2/show/NCT04889690




Registration number
NCT04889690
Ethics application status
Date submitted
12/05/2021
Date registered
17/05/2021
Date last updated
17/05/2021

Titles & IDs
Public title
Study of Multiple Doses of Danicopan in Healthy Participants
Scientific title
A Multiple Ascending Dose Study To Assess Safety, Tolerability, Pharmacokinetics, And Pharmacodynamics Of ACH-0144471 In Healthy Volunteers
Secondary ID [1] 0 0
ACH471-002
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Healthy 0 0
Condition category
Condition code

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Treatment: Drugs - Danicopan
Treatment: Drugs - Placebo

Experimental: Cohort 1: 200 mg - All participants under fasted conditions received 200 mg of danicopan or placebo twice daily (BID) over a 14-day period.

Experimental: Cohort 2: 500 mg - All participants under fasted conditions received 500 mg of danicopan or placebo BID over a 14-day period.

Experimental: Cohort 3: 800 mg - All participants under fasted conditions received 800 mg of danicopan or placebo BID over a 14-day period.

Experimental: Cohort 4: 75 mg - All participants under fasted conditions received 75 mg of danicopan or placebo thrice daily (TID) over a 7-day period.


Treatment: Drugs: Danicopan


Treatment: Drugs: Placebo


Intervention code [1] 0 0
Treatment: Drugs
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
Incidence Of Serious Adverse Events, Grade 3 Or 4 Adverse Events (AEs), AEs Leading To Discontinuation, And Clinically Significant Laboratory Abnormalities And Electrocardiogram Abnormalities
Timepoint [1] 0 0
Day 1 through Day 42
Secondary outcome [1] 0 0
Maximum Observed Plasma Concentration (Cmax) Of Danicopan
Timepoint [1] 0 0
Up to 16 hours postdose
Secondary outcome [2] 0 0
Time To Maximum Observed Plasma Concentration (Tmax) Of Danicopan
Timepoint [2] 0 0
Up to 16 hours postdose
Secondary outcome [3] 0 0
Area Under The Plasma Concentration Versus Time Curve Over The Dosing Interval (AUCtau) Of Danicopan
Timepoint [3] 0 0
Up to 16 hours postdose
Secondary outcome [4] 0 0
Activity Of Danicopan As Measured By Alternative Pathway (AP) Wieslab Assay
Timepoint [4] 0 0
Up to 16 hours postdose
Secondary outcome [5] 0 0
Relationship Between AP Inhibition And Danicopan Plasma Concentrations
Timepoint [5] 0 0
Up to 16 hours postdose

Eligibility
Key inclusion criteria
- Healthy was defined as having no clinically relevant abnormalities identified by a
detailed medical history, physical exam, blood pressure and heart rate measurements,
12-lead electrocardiogram, and clinical laboratory tests.

- Body mass index of 18 to 30 kilograms (kg)/meter squared with a minimum body weight of
50 kg.
Minimum age
25 Years
Maximum age
55 Years
Sex
Both males and females
Can healthy volunteers participate?
Yes
Key exclusion criteria
- History or clinically relevant evidence of significant cardiovascular, pulmonary,
hepatic, renal, hematological, gastrointestinal, endocrine, immunologic, dermatologic,
neurological, or psychiatric disease.

- Any condition possibly affecting drug absorption (including gastrectomy and
cholecystectomy).

- Body temperature greater than or equal to 38°Celcius on Day -1 or Day 1, Hour 0;
history of febrile illness or other evidence of infection within 14 days prior to
first study drug administration.

- Current tobacco/nicotine user; consumption of any alcohol within 72 hours before first
study drug administration or have a history of regular alcohol consumption exceeding
21 drinks/week within 6 months of screening; positive urine drug screen at screening
or Day -1.

- Clinically significant laboratory abnormalities at either Screening or Day -1.

Study design
Purpose of the study
Basic Science
Allocation to intervention
Randomised controlled trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Blinded (masking used)
Who is / are masked / blinded?
The people receiving the treatment/s


The people analysing the results/data
Intervention assignment
Parallel
Other design features
Phase
Phase 1
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Completed
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
Sample size
Target
Accrual to date
Final
Recruitment in Australia
Recruitment state(s)
Recruitment outside Australia
Country [1] 0 0
New Zealand
State/province [1] 0 0
Auckland

Funding & Sponsors
Primary sponsor type
Commercial sector/Industry
Name
Alexion Pharmaceuticals, Inc.
Address
Country
Other collaborator category [1] 0 0
Commercial sector/Industry
Name [1] 0 0
Achillion, a wholly owned subsidiary of Alexion
Address [1] 0 0
Country [1] 0 0

Ethics approval
Ethics application status

Summary
Brief summary
This was a multiple ascending dose, randomized, double-blind study assessing the safety,
tolerability, pharmacokinetics, and pharmacodynamics of danicopan in healthy participants.
Four different doses (75 milligrams [mg], 200 mg, 500 mg, 800 mg) and dose-matched placebo
were administered under fasted conditions.
Trial website
https://clinicaltrials.gov/ct2/show/NCT04889690
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for scientific queries