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Completed

NCT Number: NCT03469336

Safety, Tolerability And Efficacy Study Of Topical PF-06763809 In Subjects With Mild To Moderate Chronic Plaque Psoriasis

The study is a randomized, double blinded, vehicle and active comparator controlled, multiple dose study in subjects with chronic plaque psoriasis. The study will have approximately 15 completers. Each subjects will receive three different topical doses of PF 06763809, PF 06763809 vehicle, and two active comparators. These will be applied to six different treatment fields for 18 days. The total duration of participation in the study will be approximately 7 weeks (minimum) to approximately 11 weeks (maximum), including the interval from Screening to the Follow up phone call visit.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

Rothaar Studien GmbH, Berlin, Germany

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Psoriasis vulgaris in a chronic stable phase and with a plaque area of mild to moderate severity sufficient for six treatment fields located in up to three plaque areas
  • Target lesion(s) should be on the trunk or extremities (excluding palms/soles).

Exclusion criteria

  • History of skin sensitivity to topical prescription or non prescription products such as creams, lotions and cosmetics
  • Psoriasis guttata, psoriasis punctata, psoriasis erythrodermatica, and pustular psoriasis
  • Treatment with any biologics within 3 months prior to Day 1 of the study and during the study

Treatment and study plan

PF-06763809

Drug

Three different concentrations will be administered to three different treatment fields: 2.3%, 0.8% and 0.23%

Vehicle

Other

Vehicle matching PF-06763809.

Calcipotriene/calcipotriol

Drug

Calcipotriene/calcipotriol 50 ug/mL solution

Betamethasone

Drug

Betamethasone 1 mg/g solution

Primary outcomes

  1. Change From Baseline in Psoriatic Skin Infiltrate Thickness

    Time frame: Baseline, Days 7, 13 and 19

    Baseline was defined to be the measurement on Day 1. MMRM analysis of changes in psoriatic skin in psoriatic skin infiltrate thickness/echo poor band (EPB) in response to PF-06763809 2.3%, 0.8% and 0.23% applied topically for 18 consecutive days as compared to the vehicle control. Number of participants analyzed signifies number of participants who were evaluable for this outcome measure. Number analyzed refers to number of participants evaluable for specified rows of categories.

  2. Number of Participants With Treatment-emergent Adverse Events (AEs)

    Time frame: Day 1 to Day 49

    Baseline was defined to be the measurement on Day 1. An AE was any untoward medical occurrence in a clinical investigation patient administered a product or medical device. Treatment-emergent AEs were those with initial onset or increasing in severity after the first dose of investigational product.

  3. Number of Participants With Laboratory Test Abnormalities (Without Regard to Baseline Abnormality)

    Time frame: Day 1 to Day 49

    Baseline was defined to be the measurement on Day 1. The safety laboratory tests including Hematology, Clinical Chemistry and Urinalysis were performed. Hematology evaluation included: hemoglobin (HGB) (gram per decilitre=g/dL), hematocrit, erythrocytes (Ery.), Ery. Mean Corpuscular Volume, Ery. Mean Corpuscular Hemoglobin, Ery. Mean Corpuscular HGB Concentration (picograms per cell=pg/cell), platelets, leukocytes, lymphocytes, and neutrophils. Clinical chemistry evaluation included: bilirubin, aspartate aminotransferase, alanine aminotransferase, alkaline phosphatase, protein, albumin, urea nitrogen, urea, creatinine, urate, sodium, potassium, chloride, calcium, bicarbonate, creatine kinase, and glucose. Urinalysis evaluation included: pH, urine glucose, ketones, urine protein, urine hemoglobin, urobilinogen, urine bilirubin, nitrite, and leukocyte esterase. LLN=lower limit of normal, ULN=upper limit of normal.

  4. Number of Participants With Electrocardiogram (ECG) Data Meeting Pre-specified Criteria

    Time frame: Day 1 to Day 49

    Baseline was defined to be the measurement on Day 1. ECG categorical summarization criteria: 1) PR interval (Value>=300 milliseconds [msec], %Change [Chg]>=25/50%); 2) QRS interval (Value>=140 msec, >=50% change from baseline; 2) PR interval (the interval between the start of the P wave and the start of the QRS complex, corresponding to the time between the onset of the atrial depolarization and onset of ventricular depolarization): >=300 msec, >=25% change when baseline is > 200 msec or >=50% change when baseline is less than or equal to (<=) 200 msec; 3) QT interval (time from ECG Q wave to the end of the T wave corresponding to electrical systole): absolute value of >=500 msec; 4) QTc interval (QT corrected for heart rate): absolute value of 450 to <480 msec, 480 to <500 msec, >=500 msec; a change from baseline of 30 to <60 msec or >=60 msec. The corrected QT interval by Fredericia=QTcF Interval.

  5. Number of Participants With Post-Baseline Vital Signs Data Meeting Categorical Summarization Criteria

    Time frame: Day 1 to Day 49

    Baseline was defined to be the measurement on Day 1. Vital Signs including diastolic blood pressure (DBP), pulse rate, and systolic blood pressure (SBP) were measured.

Secondary outcomes

  1. Area Under the Curve of the Psoriatic Skin Infiltrate Thickness

    Time frame: Day 1 to Day 19

    Baseline was defined to be the measurement on Day 1. To evaluate the Area Under the Curve (AUC) of psoriatic skin infiltrate thickness/EPB for PF 06763809 compared to vehicle by mixed model analysis. The AUC of the psoriatic skin infiltrate thickness/EPB from Day 1 to Day 19 was determined using the linear trapezoidal rule. The log AUC was performed by the natural logarithm of the AUC of the psoriatic skin infiltrate thickness/EPB. Number of participants analyzed signifies number of participants who were evaluable for this outcome measure. Number analyzed refers to number of participants evaluable for specified rows of categories.

  2. Change From Baseline in Skin Infiltrate Thickness in Response to PF-06763809 Compared to Calcipotriene/Calcipotriol Solution.

    Time frame: Baseline, Days 7, 13 and 19

    The effect of PF-06763809 compared to calcipotriene/calcipotriol solution in the change of psoriatic skin infiltrate thickness/EPB both within and following 18 days of treatment. Baseline was defined to be the measurement on Day 1. Number of participants analyzed signifies number of participants who were evaluable for this outcome measure. Number analyzed refers to number of participants evaluable for specified rows of categories.

  3. Change From Baseline in Skin Infiltrate Thickness in Response to PF-06763809 Compared to Betamethasone Solution.

    Time frame: Baseline, Days 7, 13 and 19

    The effect of PF-06763809 compared to betamethasone solution in the change of psoriatic skin infiltrate thickness/EPB both within and following 18 days of treatment. Baseline was defined to be the measurement on Day 1. Number of participants analyzed signifies number of participants who were evaluable for this outcome measure. Number analyzed refers to number of participants evaluable for specified rows of categories.

Sponsors and collaborators

Lead sponsor

Pfizer

Industry

Registry information

Official study title

A PHASE 1, RANDOMIZED, DOUBLE-BLIND, VEHICLE AND ACTIVE COMPARATOR-CONTROLLED, PSORIASIS PLAQUE TEST STUDY TO ASSESS SAFETY, TOLERABILITY, AND PSORIATIC SKIN INFILTRATE THICKNESS FOLLOWING REPEATED, TOPICAL DOSES OF PF-06763809 SOLUTION IN SUBJECTS WITH MILD TO MODERATE CHRONIC PLAQUE PSORIASIS

Important dates

Study start
2018
Primary completion
2019
Study completion
2019
First posted
Mar 19, 2018
Registry last updated
Jun 25, 2020

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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