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Study of a Single Dose of Danicopan in Healthy Participants

Alexion Pharmaceuticals logo

Alexion Pharmaceuticals

Status and phase

Completed
Phase 1

Conditions

Healthy

Treatments

Drug: Danicopan
Drug: Placebo

Study type

Interventional

Funder types

Industry

Identifiers

NCT04889677
ACH471-001

Details and patient eligibility

About

This was a single ascending dose, randomized, double-blind study assessing the safety, tolerability, pharmacokinetics, and pharmacodynamics of danicopan in healthy participants. Four different doses (200 milligrams [mg], 600 mg, 1200 mg, 2400 mg) and dose-matched placebo were administered under fasted and fed conditions.

Enrollment

44 patients

Sex

All

Ages

21 to 55 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Healthy defined as having no clinically relevant abnormalities identified by a detailed medical history, physical examination, blood pressure and pulse 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.

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 (for example, gastrectomy), cholecystectomy to be considered acceptable.
  • Body temperature ≥ 38°Celcius on Day -1 or Day 1 Hour 0; history of febrile illness or other evidence of infection within 14 days prior to study drug administration.
  • Current tobacco/nicotine users; consumption of any alcohol within 72 hours before study drug administration or 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.

Trial design

Primary purpose

Basic Science

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

44 participants in 5 patient groups

Group 1: 200 mg
Experimental group
Description:
All participants (fasted) received either 200 mg of danicopan as a single oral dose or dose-matched placebo.
Treatment:
Drug: Danicopan
Drug: Placebo
Group 2: 600 mg
Experimental group
Description:
All participants (fasted) received either 600 mg of danicopan as a single oral dose or dose-matched placebo.
Treatment:
Drug: Danicopan
Drug: Placebo
Group 3: 1200 mg
Experimental group
Description:
All participants (fasted) received either 1200 mg of danicopan as a single oral dose or dose-matched placebo.
Treatment:
Drug: Danicopan
Drug: Placebo
Group 4: 2400 mg
Experimental group
Description:
All participants (fasted) received either 2400 mg of danicopan administered as 2 single doses of 1200 mg each, 12 hours apart, or dose-matched placebo.
Treatment:
Drug: Danicopan
Drug: Placebo
Group 5: 1200 mg
Experimental group
Description:
All participants (fed) received either 1200 mg of danicopan as a single oral dose or dose-matched placebo.
Treatment:
Drug: Danicopan
Drug: Placebo

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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