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NCT01303445 · ClinicalTrials.gov registry record · Phase 1

Drug-drug Interaction Study of Aggrenox and Omeprazole in Normal Volunteers

A Phase 1 study, sponsored by Boehringer Ingelheim.

Completed
Registry status
Phase 1
Development phase
60
Enrollment target

NCT01303445: Completed Phase 1 study, sponsored by Boehringer Ingelheim.

NCT01303445 is a Phase 1 study that has completed, run by Boehringer Ingelheim. The registered enrollment target is 60 participants, roughly in line with the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01303445, a Phase 1 study, has completed, sponsored by Boehringer Ingelheim.

COMPLETED
Registry status
Phase 1
Development phase
60 participants
Enrollment target

Study Summary

The objective of the current study is to investigate if a drug-drug interaction occurs with the administration of omeprazole 80 mg q.d. at steady state on the pharmacokinetics of dipyridamole and the pharmacodynamics of ASA-induced platelet aggregation inhibition (components of Aggrenox®) when administered every 12 hours at steady state.

Primary Outcome

Maximum measured concentration of dipyridamole in plasma

Interventions

  • DRUG Aggrenox alone
  • DRUG Aggrenox and omeprazole
  • DRUG Omeprazole alone

Trial Details

FieldValue
Enrollment Target 60 participants
Start Date 2011-03
Phase Phase 1
Boehringer Ingelheim

515 total trials

What the finished NCT01303445 record still lists

NCT01303445 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 60 participants, a relatively small participant target, roughly in line with the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target.

The record links to 0 conditions, and to 3 interventions - of which Aggrenox alone is the first listed.

NCT01303445 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01303445 about?

NCT01303445 is a clinical study titled "Drug-drug Interaction Study of Aggrenox and Omeprazole in Normal Volunteers". The objective of the current study is to investigate if a drug-drug interaction occurs with the administration of omeprazole 80 mg q.d. at steady state on the pharmacokinetics of dipyridamole and the pharmacodynamics of ASA-induced platelet aggregation inhibition (components of Aggrenox®) when admin...

What is the current status of trial NCT01303445?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 60 participants. The study started on 2011-03.

What interventions are being tested in trial NCT01303445?

The interventions under investigation include: Aggrenox alone (DRUG), Aggrenox and omeprazole (DRUG), Omeprazole alone (DRUG).

Who is sponsoring clinical trial NCT01303445?

This trial is sponsored by Boehringer Ingelheim, which has 515 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01303445's enrollment target sits among peer trials

60 831st of 2000 higher than 1,106 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT01303445, the US trial registry maintained by the National Library of Medicine. NCT01303445 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.