A Study to Evaluate Bioavailability and Food Effect of Selumetinib (AZD6244) in Healthy Male Participants

During Part 1 of the study, participants will receive single doses of selumetinib 25 mg granule under fasted conditions. The dose will be administered after an overnight fast of at least 10 hours. The IMP will be administered with approximately 240 mL of water. No food will be allowed for at least 4 hours post-dose.

During Part 1 of the study, participants will receive single doses of selumetinib 50 mg capsule under fasted conditions. The dose will be administered after an overnight fast of at least 10 hours. The IMP will be administered with approximately 240 mL of water. No food will be allowed for at least 4 hours post-dose.

During Part 2 of the study, participants will receive single doses of selumetinib 25 mg granule under fed conditions. Following an overnight fast of at least 10 hours, participants will start consumption of the recommended meal within 30 minutes before administration of the IMP. Participants will be required to consume the entire meal in 30 minutes or less; however, the IMP should be administered 30 minutes after start of the meal. The IMP will be administered with approximately 240 mL of water. No food will be allowed for at least 4 hours post-dose, where after a meal may be provided.

During Part 2 of the study, participants will receive single doses of selumetinib 50 mg capsule under fed conditions. Following an overnight fast of at least 10 hours, participants will start consumption of the recommended meal within 30 minutes before administration of the IMP. Participants will be required to consume the entire meal in 30 minutes or less; however, the IMP should be administered 30 minutes after start of the meal. The IMP will be administered with approximately 240 mL of water. No food will be allowed for at least 4 hours post-dose, where after a meal may be provided.

Participants will receive a single 500mg dose of acetaminophen at the same time.