Conditions: Healthy
Keywords: ALXN1840 WTX101 Omeprazole
Allocation: RANDOMIZED | Intervention model: CROSSOVER
Enrollment: 18
Healthy volunteers: yes

Brief summary:
This was single-center, open-label, randomized, 3-period, 3-treatment, 6-sequence crossover study evaluating the PK of single doses of WTX101 in healthy participants based on the measurement of plasma total Molybdenum.

Detailed description:

Arms:
arm 1: Participants received each treatment on 1 occasion:

Period 1 (Treatment A): ALXN1840 following an overnight fast. Period 2 (Treatment B): Omeprazole once daily in the morning of Days -5 to -1 following an overnight fast, omeprazole at Hour -1 on Day 1 following an overnight fast, and ALXN1840 at Hour 0 on Day 1, following an overnight fast. Period 3 (Treatment C): Omeprazole once daily in the morning of Days -5 to -1 following an overnight fast, omeprazole at Hour -1 on Day 1 following an overnight fast, and ALXN1840 at Hour 0 on Day 1, approximately 30 minutes after the start of a high-fat breakfast.

There was a washout period of at least 14 days between each ALXN1840 dosing. arm 2: Participants received each treatment on 1 occasion:

Period 1 (Treatment A): ALXN1840 following an overnight fast. Period 2 (Treatment C): Omeprazole once daily in the morning of Days -5 to -1 following an overnight fast, omeprazole at Hour -1 on Day 1 following an overnight fast, and ALXN1840 at Hour 0 on Day 1, approximately 30 minutes after the start of a high-fat breakfast. Period 3 (Treatment B): Omeprazole once daily in the morning of Days -5 to -1 following an overnight fast, omeprazole at Hour -1 on Day 1 following an overnight fast, and ALXN1840 at Hour 0 on Day 1, following an overnight fast.

There was a washout period of at least 14 days between each ALXN1840 dosing. arm 3: Participants received each treatment on 1 occasion:

Period 1 (Treatment B): Omeprazole once daily in the morning of Days -5 to -1 following an overnight fast, omeprazole at Hour -1 on Day 1 following an overnight fast, and ALXN1840 at Hour 0 on Day 1, following an overnight fast. Period 2 (Treatment A): ALXN1840 following an overnight fast. Period 3 (Treatment C): Omeprazole once daily in the morning of Days -5 to -1 following an overnight fast, omeprazole at Hour -1 on Day 1 following an overnight fast, and ALXN1840 at Hour 0 on Day 1, approximately 30 minutes after the start of a high-fat breakfast.

There was a washout period of at least 14 days between each ALXN1840 dosing. arm 4: Participants received each treatment on 1 occasion:

Period 1 (Treatment B): Omeprazole once daily in the morning of Days -5 to -1 following an overnight fast, omeprazole at Hour -1 on Day 1 following an overnight fast, and ALXN1840 at Hour 0 on Day 1, following an overnight fast. Period 2 (Treatment C): Omeprazole once daily in the morning of Days -5 to -1 following an overnight fast, omeprazole at Hour -1 on Day 1 following an overnight fast, and ALXN1840 at Hour 0 on Day 1, approximately 30 minutes after the start of a high-fat breakfast. Period 3 (Treatment A): ALXN1840 following an overnight fast.

There was a washout period of at least 14 days between each ALXN1840 dosing. arm 5: Participants received each treatment on 1 occasion:

Period 1 (Treatment C): Omeprazole once daily in the morning of Days -5 to -1 following an overnight fast, omeprazole at Hour -1 on Day 1 following an overnight fast, and ALXN1840 at Hour 0 on Day 1, approximately 30 minutes after the start of a high-fat breakfast. Period 2 (Treatment A): ALXN1840 following an overnight fast. Period 3 (Treatment B): Omeprazole once daily in the morning of Days -5 to -1 following an overnight fast, omeprazole at Hour -1 on Day 1 following an overnight fast, and ALXN1840 at Hour 0 on Day 1, following an overnight fast.

There was a washout period of at least 14 days between each ALXN1840 dosing. arm 6: Participants received each treatment on 1 occasion:

Period 1 (Treatment C): Omeprazole once daily in the morning of Days -5 to -1 following an overnight fast, omeprazole at Hour -1 on Day 1 following an overnight fast, and ALXN1840 at Hour 0 on Day 1, approximately 30 minutes after the start of a high-fat breakfast. Period 2 (Treatment B): Omeprazole once daily in the morning of Days -5 to -1 following an overnight fast, omeprazole at Hour -1 on Day 1 following an overnight fast, and ALXN1840 at Hour 0 on Day 1, following an overnight fast. Period 3 (Treatment A): ALXN1840 following an overnight fast.

There was a washout period of at least 14 days between each ALXN1840 dosing.

Interventions: intervention 1: ALXN1840 intervention 2: Omeprazole
Intervention descriptions: intervention 1: ALXN1840 (60 milligrams) was administered orally as non-coated capsules at Hour 0 on Day 1. intervention 2: Omeprazole (20 milligrams) was administered orally as a delayed-release capsule in the morning of Days -5 to -1 and at Hour -1 on Day 1.

Protocol document: