Conditions: Healthy Volunteer
Allocation: NON_RANDOMIZED | Intervention model: PARALLEL
Enrollment: 42
Healthy volunteers: yes

Brief summary:
This two-group study will investigate the effect of food (Group 1) and esomeprazole (Group 2) on the single oral dose pharmacokinetics of alectinib in healthy volunteers.

Participants in Group 1 will be randomly assigned to a two period treatment sequence (AB or BA) in which they will receive a single, oral dose of alectinib per period separated by at least 10 days. Each participant will receive single, oral doses alectinib given under fasted conditions (Treatment A) or following the ingestion of a high fat, high calorie meal (Treatment B) as determined by their assigned sequence.

Participants in Group 2 will be given a single, oral dose of alectinib following a standard meal. After a washout period of at least 10 days, they will receive an oral dose of esomeprazole (40 mg) once daily for 6 days. On the 6th day of esomeprazole administration, a single, oral dose alectinib will be given after ingestion of a standard meal.

In all groups, pharmacokinetics will be assessed in the 4 days following alectinib administration.

Detailed description:

Arms:
arm 1: Treatment A (Fasted Treatment): Following an overnight fast of at least 10 hours, a single 600-mg oral dose of alectinib will be administered. Treatment B (Fed Treatment): Following an overnight fast of at least 10 hours, participants will start a high-fat, high-calorie meal 30 minutes prior to study drug administration; study participants should eat this meal in 30 minutes or less. The single 600-mg oral dose of alectinib will be administered 30 minutes after the start of the meal. Each period will be separated by at least 10 days. arm 2: Treatment B (Fed Treatment): Following an overnight fast of at least 10 hours, participants will start a high-fat, high-calorie meal 30 minutes prior to study drug administration; study participants should eat this meal in 30 minutes or less. The single 600-mg oral dose of alectinib will be administered 30 minutes after the start of the meal. Treatment A (Fasted Treatment): Following an overnight fast of at least 10 hours, a single 600-mg oral dose of alectinib will be administered. Each period will be separated by at least 10 days. arm 3: Period 1 (Days 1 to 10): Following an overnight fast of at least 10 hours, participants will start a standardized meal and should consume the meal in 30 minutes or less. The single 600-mg oral dose of alectinib will be administered 30 minutes after the start of the meal on Day 1 of Period 1. Period 2 (Days 11 to 20): Participants will receive oral esomeprazole 40 mg once daily for 6 days (Days 11-16) in the morning after an overnight fast of at least 10 hours, and at least 1 hour before a regular breakfast; On Day 16, following an overnight fast of at least 10 hours, a single oral dose of 40 mg esomeprazole will be administered 1.5 hours prior to the start of a standardized meal. Following a standardized meal, a single oral 600 mg dose of alectinib will then be administered.

Interventions: intervention 1: Alectinib intervention 2: Esomeprazole intervention 3: High Fat and Calorie Meal intervention 4: Standard Meal
Intervention descriptions: intervention 1: A single 600-mg oral dose of alectinib will be administered in a fasted or fed condition. intervention 2: Esomeprazole 40 mg will be administered orally once daily for 6 days prior to alectinib administration. intervention 3: High fat and calorie meal served prior to alectinib administration intervention 4: Standard meal served prior to alectinib administration

Protocol document: