Relative Bioavailability Study
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ClinicalTrials.gov Identifier: NCT02159313 |
Recruitment Status :
Completed
First Posted : June 9, 2014
Last Update Posted : February 18, 2016
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Condition or disease | Intervention/treatment | Phase |
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Healthy Volunteers | Drug: Riociguat(Adempas,BAY63-2521) | Phase 1 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 48 participants |
Allocation: | Randomized |
Intervention Model: | Crossover Assignment |
Masking: | None (Open Label) |
Official Title: | Relative Bioavailability Study of Riociguat Given Orally as a Crushed 2.5 mg Tablet Suspended in Applesauce, Crushed 2.5 mg Tablet Suspended in Water, and Whole 2.5 mg Tablet After a Continental Breakfast in Comparison to a Whole 2.5 mg Tablet Given in the Fasted State to Characterize the Pharmacokinetic Properties in Healthy Male Adult Subjects in a 4-fold Crossover Design |
Study Start Date : | June 2014 |
Actual Primary Completion Date : | September 2014 |
Actual Study Completion Date : | January 2015 |

Arm | Intervention/treatment |
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Experimental: BAY63-2521 with Non sparkling water
Single dose of a whole 2.5 mg riociguat tablet (fasted) with 240 mL of non-sparkling water at room temperature
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Drug: Riociguat(Adempas,BAY63-2521)
Single dose of a whole 2.5 mg riociguat tablet |
Experimental: BAY63-2521 with applesauce
Single dose of a crushed 2.5 mg riociguat tablet suspended in 50 mL applesauce, to be eaten with a spoon (fasted)
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Drug: Riociguat(Adempas,BAY63-2521)
Single dose of a whole 2.5 mg riociguat tablet |
Experimental: BAY63-2521 with water
Single dose of a crushed 2.5 mg riociguat tablet suspended in a glass with 25 mL water, to be drunk and flushed twice with 25 mL water in the same glass (fasted)
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Drug: Riociguat(Adempas,BAY63-2521)
Single dose of a whole 2.5 mg riociguat tablet |
Experimental: BAY63-2521 after breakfast
Single dose of a whole 2.5 mg riociguat tablet taken within 5 minutes after the last bite of a continental breakfast (fed) with 240 mL of non-sparkling water at room temperature
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Drug: Riociguat(Adempas,BAY63-2521)
Single dose of a whole 2.5 mg riociguat tablet |
- Pharmacokinetics of riociguat in plasma by Area under the plasma concentration time curve (AUC) [ Time Frame: Multiple time points up to day 3 ]
- Pharmacokinetics of riociguat in plasma by maximal concentration (Cmax) [ Time Frame: Multiple time ponits up to day 3 ]
- Number of participants with adverse events as a measure of safety and tolerability [ Time Frame: Up to 12 weeks ]

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Ages Eligible for Study: | 18 Years to 45 Years (Adult) |
Sexes Eligible for Study: | Male |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- Healthy male subject
- Age: 18 to 45 years (inclusive) at the first screening examination
- Ethnicity: white
- Body mass index (BMI): >18 and <29.9 kg/m2
Exclusion Criteria:
- Incompletely cured pre-existing diseases for which it can be assumed that the absorption, distribution, metabolism, elimination, or effects of the study drug will not be normal
- History of coronary artery disease
- Symptomatic postural hypotension (e.g. dizziness, lightheadedness)
- History of bronchial asthma or any other airway disease
- Smoking (former smokers who have stopped smoking at least 3 months before the first study drug administration may be included)
- Clinically relevant findings in the ECG such as a second- or third-degree atrioventricular block, prolongation of the QRS complex over 120 ms or of the QTc interval (QT interval corrected for heart rate) over 450 ms
- Systolic blood pressure below 100 or above 145 mmHg
- Diastolic blood pressure below 50 or above 95 mmHg
- Heart rate below 45 or above 95 beats per minute

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02159313
Germany | |
Mönchengladbach, Nordrhein-Westfalen, Germany, 41061 |
Study Director: | Bayer Study Director | Bayer |
Responsible Party: | Bayer |
ClinicalTrials.gov Identifier: | NCT02159313 |
Other Study ID Numbers: |
17306 2013-005166-18 ( EudraCT Number ) |
First Posted: | June 9, 2014 Key Record Dates |
Last Update Posted: | February 18, 2016 |
Last Verified: | February 2016 |
Biological Availability |
Riociguat Enzyme Activators Molecular Mechanisms of Pharmacological Action |