A Study to Investigate the Effect of Rifampicin on the Uptake and Breakdown of ACT-246475 in Healthy Subjects
NCT ID: NCT03814200
Last Updated: 2025-07-03
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
PHASE1
14 participants
INTERVENTIONAL
2019-01-03
2019-02-19
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
CROSSOVER
OTHER
QUADRUPLE
Study Groups
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Treatment period A
Treatment A1: saline 0.9%
followed by
Treatment A2: ACT-246475
Saline
Single i.v. infusion of 100 mL saline 0.9% for 30 min
ACT-246475
Single s.c. dose of 4 mg ACT-246475 in the thigh under fasting conditions
Treatment period B
Treatment B1: rifampicin
followed by
Treatment B2: ACT-246475
ACT-246475
Single s.c. dose of 4 mg ACT-246475 in the thigh under fasting conditions
Rifampicin
Single i.v. infusion of 600 mg rifampicin (100 mL) for 30 min
Interventions
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Saline
Single i.v. infusion of 100 mL saline 0.9% for 30 min
ACT-246475
Single s.c. dose of 4 mg ACT-246475 in the thigh under fasting conditions
Rifampicin
Single i.v. infusion of 600 mg rifampicin (100 mL) for 30 min
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Healthy male and female subjects aged between 18 and 65 years (inclusive) at Screening
* Body mass index of 18.0 to 30.0 kg/m2 (inclusive) at Screening
* Systolic blood pressure 100-145 mmHg, diastolic blood pressure 50-90 mmHg, and pulse rate 45-90 bpm (inclusive), measured on the same arm, after 5 min in the supine position at screening and on Day -1 of the first period
* Hematology and coagulation test results not deviating from the normal range to a clinically relevant extent at Screening and on Day -1 of the first period
* Women of childbearing potential must have a negative serum pregnancy test at Screening and a negative urine pregnancy test on Day- 1 of the first treatment period and must agree to consistently and correctly use a highly effective method of contraception
Exclusion Criteria
* Previous exposure to rifampicin within 3 months prior to Screening.
* Known hypersensitivity to P2Y12 receptor antagonists or rifampicin, or to any of the rifamycins, or any of their excipients
* Loss of 250 mL or more of blood within 3 months prior to Screening
* Any circumstances or conditions, which, in the opinion of the investigator, may affect full participation in the study or compliance with the protocol
* Family or personal history of prolonged bleeding (e.g., after surgical intervention) or bleeding disorders (e.g., thrombocytopenia, clotting disturbances), intracranial vascular diseases, stroke, reasonable suspicion of vascular malformations, or peptic ulcers
* Known platelet disorders (e.g., Glanzmann thromboasthenia, von Willebrand disease, platelet release defect)
18 Years
65 Years
ALL
Yes
Sponsors
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Viatris Innovation GmbH
INDUSTRY
Responsible Party
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Principal Investigators
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Clinical Trials
Role: STUDY_DIRECTOR
Viatris Innovation GmbH
Locations
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QPS Netherlands B.V.
Groningen, , Netherlands
Countries
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References
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Schilling U, Dingemanse J, Voors-Pette C, Romeijn C, Dogterom P, Ufer M. Effect of Rifampin-Mediated OATP1B1 and OATP1B3 Transporter Inhibition on the Pharmacokinetics of the P2Y12 Receptor Antagonist Selatogrel. Clin Transl Sci. 2020 Sep;13(5):886-890. doi: 10.1111/cts.12774. Epub 2020 Mar 31.
Other Identifiers
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2018-004226-28
Identifier Type: EUDRACT_NUMBER
Identifier Source: secondary_id
ID-076-106
Identifier Type: -
Identifier Source: org_study_id
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