CClinicalTrials.gg
CompletedNCT01103739Updated Jun 4, 2010

To Explore The Potential For PF-04531083 To Effect The Blood Concentrations Of Simvastatin And Its Main Acid Metabolite Following Co-Administration Of Both Medications

A Phase 1 interventional study of PF-04531083 and simvastatin in Chronic Pain, sponsored by Pfizer. Completed at 1 site in Belgium. Open to participants aged 18 Years to 45 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2010-06-04.

Sponsored by Pfizer · Phase 1 and Interventional

Phase
Phase 1
Study type
Interventional
Enrollment
24
Allocation
Randomized
Ages
18 Years to 45 Years
Sex
All
01

Study summary

The purpose of this study is to quantify the effect of multiple doses of PF-04531083 on the pharmacokinetics (PK) of co-administered single dose simvastatin.

Read the detailed description

observational- quantify any effects of PF_04531083 on the PK of Simvastatin

02

Conditions studied

  • Chronic Pain

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Keywords

  • pharmacokinetics
  • drug-drug interaction
03

In context

Chronic Pain

2,930 studies on the registry are indexed under Chronic Pain; 701 are open to participants now.

This study's enrollment of 24 is below the median of 60 across 2,161 interventional studies indexed under Chronic Pain.

Browse Chronic Pain studies →

Lead sponsor

Pfizer is the lead sponsor of 3,244 studies on the registry; 139 are open to participants now.

Of its 582 completed or terminated interventional studies of FDA-regulated products, 381 (65%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 45 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • young
  • healthy
  • male and female volunteers

Exclusion criteria

Exclusion Criteria:

  • Elderly
  • Patients
05

Study design

Phase
Phase 1
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
24 participants (actual)

Study arms

  • Experimental
    cohort 1

    Drug: PF-04531083 · Drug: simvastatin

  • Experimental
    cohort 2

    Drug: PF-04531083 · Drug: simvastatin

Interventions

  • DrugPF-04531083

    PF-04531083: 100mg to be dosed twice daily as a suspension from Day 2 through Day 14 of the study.

  • Drugsimvastatin

    Simvastatin: a single 20mg tablet to be given on Days 1 and 14 of the study.

  • DrugPF-04531083

    PF-04531083: a dose to be selected depending on results from Cohort 1 to be dosed twice daily as a suspension from Day 2 through Day 14 of the study.

  • Drugsimvastatin

    Simvastatin: a single 20mg tablet to be given on Days 1 and 14 of the study.

06

What researchers measure

Primary outcomes

  1. Pharmacokinetics of simvastatin. AUC, Cmax and half life.

    Time frame: days 1 and 14 of study

  2. Pharmacokinetics of simvastatin acid. AUC, Cmax and half life.

    Time frame: days 1 and 14 of study

  3. Trough concentrations of PF-04531083 2, 4, 7, 11 and 14 days post commencement of dosing

    Time frame: days 2, 4, 7, 11 and 14 of the study

Secondary outcomes

  1. safety and tolerability of PF-04531083 and simvastatin. Vital signs, laboratory tests and adverse events

    Time frame: days 1 and 15 of the study

07

Study locations

1 site
  • Pfizer Investigational Site
    Bruxelles, 1070, Belgium
08

References and documents

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 4, 2010, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT01103739
Lead sponsor
Pfizer
First posted
Apr 15, 2010
Start date
Mar 2010
Primary completion
May 2010
Completion
May 2010
Last update
Jun 4, 2010

Study contacts

Pfizer CT.gov Call Center
study director · Pfizer

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jun 2010. You cannot join it, but the record below documents what was studied.

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