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PF-04531083

Phase 1

Chronic Pain | Small molecule | Pain |Pfizer, Inc.|Last Updated: Sep 23, 2010

Success Probability

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Market & Valuation

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Trial Design

RandomizedACTIVE_CONTROLLED
Total Trials2
Total Enrollment48

FDA Designations

No designations recorded

Clinical trial landscape

PF-04531083 · 3 trials · 2 indications

Phase 1 3
NCT01127906Study To Assess The Effect Of PF-04531083 On Heat Pain In Healthy Volunteers With Ultraviolet Light Sensitized SkinHealthy
COMPLETED36 Analytics
NCT01119235A Study To Observe The Performance Of A Tablet Form Of PF-04531083 As Evidenced By The Concentration Of PF-04531083 In The Blood With Time Following Oral Administration To Healthy Volunteers.Chronic Pain
COMPLETED24 Analytics
NCT01103739To Explore The Potential For PF-04531083 To Effect The Blood Concentrations Of Simvastatin And Its Main Acid Metabolite Following Co-Administration Of Both MedicationsChronic Pain
COMPLETED24 Analytics
PHASE1COMPLETED
Study To Assess The Effect Of PF-04531083 On Heat Pain In Healthy Volunteers With Ultraviolet Light Sensitized Skin
HealthyUnlock trial analytics
PHASE1COMPLETED
A Study To Observe The Performance Of A Tablet Form Of PF-04531083 As Evidenced By The Concentration Of PF-04531083 In The Blood With Time Following Oral Administration To Healthy Volunteers.
Chronic PainUnlock trial analytics
PHASE1COMPLETED
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
Chronic PainUnlock trial analytics

Study Endpoints

Primary Endpoints

To assess the effect of PF-04531083 by using the Heat Pain Tolerance Threshold in the area of UVB-induced erythema (HPTTu) endpoint at 2, 4, 6 and 24 hours.
24 hours
concentration of PF-04531083 in blood just before dosing on the 8th day of the study
Days 1 and 8 of the study
Pharmacokinetics of simvastatin. AUC, Cmax and half life.
days 1 and 14 of study
Pharmacokinetics of simvastatin acid. AUC, Cmax and half life.
days 1 and 14 of study
Trough concentrations of PF-04531083 2, 4, 7, 11 and 14 days post commencement of dosing
days 2, 4, 7, 11 and 14 of the study

Secondary Endpoints

Heat Pain Perception Threshold in the area of UVB-induced erythema (HPPTu) at 2, 4, 6 and 24 hours.
24 hours
Heat Pain Perception Threshold on control skin (HPPTc) at 2, 4, 6 and 24 hours
24 hours
Summary of plasma concentrations of PF-04531083
24 hours
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelCROSSOVER
PurposeBASIC_SCIENCE

Treatment Arms

ArmTypeDescription
Randomized cross-over sequenceOTHERRandomized unbalanced sequence of incomplete block design with replicates within sequence
Cohort 1: PF-04531083ACTIVE_COMPARATOR -
Cohort 2: PF-04531083ACTIVE_COMPARATOR -
cohort 1EXPERIMENTAL -
cohort 2EXPERIMENTAL -

Interventions

NameTypeDescription
PF-04531083 100mgDRUGOral PF-04531083 100mg suspension single dose
PF-04531083 2000mgDRUGOral PF-04531083 2000mg suspension single dose
Placebo suspensionDRUGOral Placebo suspension (matched to PF-04531083 suspension)
Placebo tabletDRUGOral Placebo tablet (matched to Oxycodone)
Oxycodone 20mgDRUGOral Oxycodone 20mg (Oxycontin) controlled release formulation
PF-04531083DRUGDosed as a tablet in 100mg strengths. Dosage in the first cohort will be 300mg twice daily for 3 days followed by 200mg twice daily for 11 days
simvastatinDRUGSimvastatin: a single 20mg tablet to be given on Days 1 and 14 of the study.
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Eligibility Criteria

Age Range18 Years to 55 Years
SexMALE
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Healthy volunteers. * Body mass index between 17.5 - 30.5 kg/m2 and body weight greater than 50 kg. Exclusion Criteria: * Subjects that have any condition possibly affecting drug absorption (eg, gastrectomy). * Treatment with an investigational drug within 30 days (or as det...

Countries:Belgium
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Frequently asked questions about PF-04531083

What is PF-04531083 used for?

PF-04531083 is an investigational small molecule being developed by Pfizer for chronic pain. It has been studied in healthy volunteers and in the context of chronic pain, with completed Phase 1 trials assessing its effects on drug interactions, tablet formulation performance, and heat pain response.

Who makes PF-04531083?

PF-04531083 is being developed by Pfizer, Inc., which trades under the ticker PFE. The drug is a small molecule in Phase 1 clinical development for pain-related indications.

What phase is PF-04531083 in?

PF-04531083 is in Phase 1 clinical development. All three of its clinical trials have been completed, with a total enrollment of 48 participants across studies conducted in Belgium.

What clinical trials is PF-04531083 in?

PF-04531083 has been studied in three completed Phase 1 trials: NCT01103739, which explored its effect on simvastatin blood concentrations; NCT01119235, which observed tablet formulation performance; and NCT01127906, which assessed its effect on heat pain in healthy volunteers.

Is PF-04531083 FDA approved?

PF-04531083 is not FDA approved. It is an investigational drug that has completed Phase 1 clinical trials for chronic pain and related conditions, but it remains in clinical development and has not been approved for any use.