Study: NCT01138423

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Aliskiren
Description: Once daily treatment with aliskiren for 8-weeks, according to the following regiment: once daily (morning time) 150 mg during the first 2 weeks, followed by once daily (morning time) 300 mg during the remaining 6 weeks. Coincidental intake of grapefruit(juice) should be avoided. This treatment interval is followed by a one-week tapering period: 150 mg on day 1, 2, 3, 4, 5 and 7.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Moxonidine
Description: Once daily treatment with moxonidine for 8-weeks, according to the following regiment: once daily (morning time) 0.2 mg during the first 2 weeks, followed by once daily (morning time) 0.4 mg during the remaining 6 weeks. Coincidental intake of grapefruit(juice) should be avoided. This treatment interval is followed by a one-week tapering period: 0.2 mg on day 1, 2, 3, 4, 5 and 7.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Hydrochlorothiazide
Description: Once daily treatment with hydrochlorothiazide for 8-weeks, according to the following regiment: once daily (morning time) 12.5 mg during the first 2 weeks, followed by once daily (morning time) 25 mg during the remaining 6 weeks. Coincidental intake of grapefruit(juice) should be avoided. This treatment interval is followed by a one-week tapering period: 12.5 mg on day 1, 2, 3, 4, 5 and 7.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Placebo (for aliskiren)
Description: Once daily treatment with placebo tablets for 8-weeks, according to the following regiment: once daily (morning time) 1 tablet during the first 2 weeks, followed by once daily (morning time) 2 tablets during the remaining 6 weeks. Coincidental intake of grapefruit(juice) should be avoided. This treatment interval is followed by a one-week tapering period: 1 tablet on day 1, 2, 3, 4, 5 and 7.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Placebo (for aliskiren)
Description: Once daily treatment with placebo tablets for 8-weeks, according to the following regiment: once daily (morning time) 1 tablet during the first 2 weeks, followed by once daily (morning time) 2 tablets during the remaining 6 weeks. Coincidental intake of grapefruit(juice) should be avoided. This treatment interval is followed by a one-week tapering period: 1 tablet on day 1, 2, 3, 4, 5 and 7.

Intervention type: DRUG
Group type: PLACEBO_COMPARATOR
Intervention: Placebo (for aliskiren)
Description: Once daily treatment with placebo tablets for 8-weeks, according to the following regiment: once daily (morning time) 1 tablet during the first 2 weeks, followed by once daily (morning time) 2 tablets during the remaining 6 weeks. Coincidental intake of grapefruit(juice) should be avoided. This treatment interval is followed by a one-week tapering period: 1 tablet on day 1, 2, 3, 4, 5 and 7.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Placebo (for moxonidine and hydrochlorothiazide)
Description: Once daily treatment with placebo capsules for 8-weeks, according to the following regiment: once daily (morning time) 1 capsule during the first 2 weeks, followed by once daily (morning time) 2 capsules during the remaining 6 weeks. Coincidental intake of grapefruit(juice) should be avoided. This treatment interval is followed by a one-week tapering period: 1 tablet on day 1, 2, 3, 4, 5 and 7.

Intervention type: DRUG
Group type: PLACEBO_COMPARATOR
Intervention: Placebo (for moxonidine and hydrochlorothiazide)
Description: Once daily treatment with placebo capsules for 8-weeks, according to the following regiment: once daily (morning time) 1 capsule during the first 2 weeks, followed by once daily (morning time) 2 capsules during the remaining 6 weeks. Coincidental intake of grapefruit(juice) should be avoided. This treatment interval is followed by a one-week tapering period: 1 tablet on day 1, 2, 3, 4, 5 and 7.