Drug-Drug Interaction Study Between EDP-514, Itraconazole, Carbamazepine, and Quinidine in Healthy Subjects

Enanta Pharmaceuticals

Status and phase: Completed; Phase 1

Conditions: Hepatitis B

Treatments: Drug: Carbamazepin; Drug: Itraconazole; Drug: EDP-514; Drug: Quinidine

Study type: Interventional

Funder types: Industry

Identifiers

NCT04783753

EDP 514-003

Details and patient eligibility

About

Non-randomized, 3-part, open-label, drug-drug interaction (DDI) study to evaluate the effect of itraconazole, carbamazepine, or quinidine on the PK and safety of EDP-514 in healthy adult subjects.

Enrollment: 72 patients

Sex: All

Ages: 18 to 55 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• An informed consent document signed and dated by the subject.
• Male and female subjects of any ethnic origin between the ages of 18 and 55 years, inclusive
• Female subjects who are heterosexually active and of childbearing potential must agree to use two effective methods of contraception from the date of Screening until 30 days after the last dose of EDP-514.
• Screening body mass index (BMI) of 18 to 30 kg/m2 with a minimum body weight of 50 kg.

Exclusion criteria

• Clinically relevant evidence or history of illness or disease

• Pregnant or nursing females.

• History of febrile illness within 7 days prior to the first dose of study drug or subjects with evidence of clinically significant active infection.

• A positive urine drug screen at Screening or Day -1.

• Current tobacco smokers or use of tobacco products within 3 months prior to Screening.

• Any condition possibly affecting drug absorption (e.g., gastrectomy, cholecystectomy).

  • Clinically significant laboratory abnormalities at screening or Day -1, as determined by the Investigator (including but not limited to hypokalemia, hypocalcemia, or hypomagnesemia for Part 3 participants).

• History of regular alcohol consumption

• Participation in a clinical trial within 30 days prior to the first dose of study drug.

For Part 2 (Carbamazepine) participants:

• Participants of Asian ancestry, given association of carbamazepine and severe rash (Stevens Johnson Syndrome [SJS] and Toxic Epidermal Necrolysis [TEN]) with HLA-B 1502 in this population.
• Platelets, white blood cell count or hemoglobin below the lower limit of normal, due to reported incidence of agranulocytosis and aplastic anemia with carbamazepine.

Trial design

Primary purpose: Basic Science

Allocation: Non-Randomized

Interventional model: Single Group Assignment

Masking: None (Open label)

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72 participants in 3 patient groups

EDP-514 and Itraconazole interaction (Part 1)

Experimental group

Treatment:

Drug: EDP-514

Drug: EDP-514

Drug: Itraconazole

Drug: EDP-514

EDP-514 and Carbamazepine interaction (Part 2)

Experimental group

Treatment:

Drug: Carbamazepin

Drug: EDP-514

Drug: EDP-514

Drug: EDP-514

EDP-514 and Quinidine interaction (Part 3)

Experimental group

Treatment:

Drug: EDP-514

Drug: Quinidine

Drug: EDP-514

Drug: EDP-514