Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT01546558 · ClinicalTrials.gov registry record · Phase 1

Single Cohort, 2-Period Study to Assess Pharmacokinetics of Metformin Alone and in Combination With Ranolazine 500 mg

A Phase 1 study of Type 2 Diabetes Mellitus, sponsored by Gilead Sciences.

Completed
Registry status
Phase 1
Development phase
25
Enrollment target
1
Study location

NCT01546558: Completed Phase 1 study of Type 2 Diabetes Mellitus, sponsored by Gilead Sciences.

NCT01546558 is a Phase 1 study of Type 2 Diabetes Mellitus that has completed, run by Gilead Sciences. The registered enrollment target is 25 participants, below the 2,960-participant average among 130 other Type 2 Diabetes Mellitus trials with a reported enrollment target (99% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT01546558, a Phase 1 study of Type 2 Diabetes Mellitus, has completed, sponsored by Gilead Sciences.

COMPLETED
Registry status
Phase 1
Development phase
25 participants
Enrollment target
1
Study location

Study Summary

The purpose of this study is to evaluate the effect of steady-state ranolazine 500 mg bid on the steady state pharmacokinetics (PK) of metformin in subjects with type 2 diabetes mellitus (T2DM).

Conditions Studied

Interventions

  • DRUG Metformin
  • DRUG Ranolazine

Study Locations (1)

Florida

  • SeaView Research Inc. - Miami

Trial Details

FieldValue
Enrollment Target 25 participants
Start Date 2012-02
Est. Completion 2012-03
Phase Phase 1
Gilead Sciences

504 total trials

What the finished NCT01546558 record still lists

NCT01546558 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 25 participants, a relatively small participant target, below the 2,960-participant average among 130 other Type 2 Diabetes Mellitus trials with a reported enrollment target (99% lower).

The record links to 1 condition, with Type 2 Diabetes Mellitus appearing as the primary indexed condition, and to 2 interventions - of which Metformin is the first listed.

NCT01546558 reports a single indexed study location in Florida.

Frequently Asked Questions

What is clinical trial NCT01546558 about?

NCT01546558 is a clinical study titled "Single Cohort, 2-Period Study to Assess Pharmacokinetics of Metformin Alone and in Combination With Ranolazine 500 mg". The purpose of this study is to evaluate the effect of steady-state ranolazine 500 mg bid on the steady state pharmacokinetics (PK) of metformin in subjects with type 2 diabetes mellitus (T2DM).

What is the current status of trial NCT01546558?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 25 participants. The study started on 2012-02. Estimated completion is 2012-03.

What conditions does trial NCT01546558 study?

This clinical trial studies the following conditions: Type 2 Diabetes Mellitus.

What interventions are being tested in trial NCT01546558?

The interventions under investigation include: Metformin (DRUG), Ranolazine (DRUG).

Who is sponsoring clinical trial NCT01546558?

This trial is sponsored by Gilead Sciences, which has 504 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT01546558 being conducted?

This trial has 1 study location across Florida. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Type 2 Diabetes Mellitus

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT01546558's enrollment target sits among peer trials

25 98th of 130 higher than 31 of 130 other Type 2 Diabetes Mellitus trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Type 2 Diabetes Mellitus 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

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT01166854 · 25 participants

    Characterization of Familial Myopathy and Paget Disease of Bone

  • NCT01913106 · 25 participants · Phase 1

    HSV-tk + Valacyclovir Therapy in Combination With Brachytherapy for Recurrent Prostate Cancer

  • NCT02138669 · 25 participants · NA

    Intacs Prescription Inserts for Keratoconus Patients

  • NCT02174549 · 25 participants · Phase 1

    Dose-defining Study of Tirapazamine Combined With Embolization in Liver Cancer

Similar registry start date

  • NCT05988463 · started 2027-01-01 · Phase 1

    Dose-Escalation Study of Artesunate Patients With IPF

  • NCT07219706 · started 2026-12-10 · NA

    Dietary Fiber and Time Restricted Eating

  • NCT02831335 · started 2026-12-01

    Technical Development of Multi-Parametric Renocerebral MRI

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

Source: ClinicalTrials.gov NCT01546558, the US trial registry maintained by the National Library of Medicine. NCT01546558 (small enrollment · single site footprint · completed) retrieved and formatted by PlainTrial, see methodology.