Approximately 106 healthy male and female participants are planned to take part in this trial. The trial consists of 4 parts: part A, part B, part C and part D. In part A you receive the compound once, in part B you receive the compound once or twice daily for 10 days (about 1 and a half weeks), in part C you receive the compound twice daily for 14 days (about 2 weeks) and in part D you receive the compound twice in combination with an approved medicine.
To check if you are eligible to participate a medical screening will take place before the start of the trial. Depending on availability, this can be performed in Groningen or Utrecht. This screening will take place within 4 weeks before the start of the clinical trial.
Part A consists of 1 period during which you will stay in the research facility in Groningen (location van Swietenlaan 6) for 7 days (6 nights). The follow-up visit will take place on the day of your departure from the research facility. 21 to 27 days after your departure from the research facility, you will be contacted by phone for some questions. You will receive the study compound or placebo once as a capsule for swallowing, after you have fasted for 10 hours. After you receive the compound or placebo, you will fast for 4 hours. All medication will be given with 240 mL of water. In addition, one time during the study, your heart rhythm and blood pressure is monitored continuously over 48 hours. At certain time-points you will be asked to remain lying down on your back for 15 minutes without moving, talking or sleeping. You may also not listen to music, watch television or use a laptop or phone. During these 15 minutes we measure your resting heart activity. If you are connected to the device, you cannot take a shower and you have to behave as relaxed as possible to prevent sweating. In addition, a blood collection device is tested twice during the study in groups A3, A4 and A5.
Part B consists of 1 period during which you will stay in the research facility in Groningen (location van Swietenlaan 6) for 13 days (12 nights). The follow-up visit will take place 4 to 5 days after your departure from the research facility. 20 to 26 days after the follow-up visit, you will be contacted by phone for some questions. You will receive the study compound or placebo as a capsule for swallowing once or twice daily for 10 days. On day 1 and day 10
you will receive the study compound or placebo after you have fasted for 10 hours. After you receive the compound or placebo, you need to fast for 4 hours on day 1 and day 10. On all other dosing dates, you need to fast 2 hours before and 1 hour after you receive the compound or placebo. All medication will be given with 240 mL of water. In addition, two times during the study, your heart rhythm and blood pressure is monitored continuously. The first time over 48 hours, the second time over 24 hours. At certain time-points you will be asked to remain lying down on your back for 15 minutes without moving, talking or sleeping. You may also not listen to music, watch television or use a laptop or phone. During these 15 minutes we measure your resting heart activity. If you are connected to the device, you cannot take a shower and you have to behave as relaxed as possible to prevent sweating.
Part C consists of 1 period during which you will stay in the research facility in Groningen (location van Swietenlaan 6) for 17 days (16 nights). The follow-up visit will take place 4 to 5 days after your departure from the research facility. 20 to 26 days after the follow-up visit, you will be contacted by phone for some questions. You will receive the study compound or placebo as a capsule for swallowing twice daily for 14 days, after you have fasted for 2 hours. After you receive the compound or placebo, you will fast for 1 hour. All medication will be given with 240 mL of water. In addition, multiple times during the study, your heart rhythm and blood pressure is monitored continuously. At certain time-points you will be asked to remain lying down on your back for 5 minutes without moving, talking or sleeping. You may also not listen to music, watch television or use a laptop or phone. During these 5 minutes, we measure your resting heart activity. If you are connected to the device, you cannot take a shower, and you have to behave as relaxed as possible to prevent sweating
Part D consists of 1 period during which you will stay in the research facility in Groningen (location van Swietenlaan 6) for 20 days (19 nights). The follow-up visit will take place 3 to 4 days after your departure from the research facility. 21 to 27 days after the follow-up visit, you will be contacted by phone for some questions. The study compound will be given on day 1 and day 10, the approved medicine will be given from day 6 to day 18. You will receive both compounds as a capsule for swallowing once daily, after you have fasted for 3 hours. After you receive the compound and the approved medicine, you will fast for 4 hours. All medication will be given with 240 mL of water. In addition, one time during the study, your heart rhythm and blood pressure is monitored continuously over 24 hours. At certain time-points you will be asked to remain lying down on your back for 15 minutes without moving, talking or sleeping. You may also not listen to music, watch television or use a laptop or phone. During these 15 minutes we measure your resting heart activity. If you are connected to the device you cannot take a shower and you have to behave as relaxed as possible to prevent sweating. In addition, a blood collection device is tested twice during the study in groups D1 and D2.
During the trial, blood will regularly be drawn and urine will be collected. Prior to screening, admission, and the follow-up, you have to stay fasted for 4 hours. You can only drink water prior to your visit. This means that we will ask you to fast prior to any participation in the trial. You have not yet signed the form for participation in the trial. After the screening it will be confirmed whether you can participate.
Consumption of medication, alcohol, coffee and tea, cola, power drinks and chocolate (including chocolate milk), grapefruit (including juice) and tobacco / nicotine containing products are not allowed during the trial. Also, before the start of the trial and when you are not staying in the research facility, there will be restrictions for these products. Use of decaffeinated coffee and (herbal) teas without caffeine (also called theine) is allowed.