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Trial · NCT02974868

Registered outcomes24

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryChange From Baseline in Severity of Alopecia Tool (SALT) Score at Week 24Baseline, Week24
SALT is a quantitative assessment of alopecia areata (AA) severity based on the scalp hair loss. Score range: 0-100%. Higher score indicates more severe disease. Change from baseline is defined as the baseline value minus the value at a specific visit. Positive change from baseline signifies an improvement. Baseline is defined as the last measurement prior to first dosing (Day 1).
PrimaryNumber of Participants With Treatment-emergent Adverse Events (All-causality and Treatment-related) - Single-Blind Extension (SBE) PeriodWeek 28 up to Week 52
An AE (non-serious and serious) was any untoward medical occurrence in a participant who received study treatment without regard to possibility of causal relationship. Any such events with initial onset or increasing in severity after the first dose of study treatment were counted as treatment-emergent Adverse Event (TEAE). Treatment-related TEAE were determined by investigators. Arms end with "withdrawal Segment" and "retreatment segment" described the same population while in different treatment segment .The reason why count on PF-06700841 differ by 1 participant is that 1 responder directly entered the retreatment segment and skipped the withdrawal segment.
PrimaryNumber of Participants With Treatment-emergent Adverse Events (All-causality and Treatment-related) - Cross-Over Extension (COE) PeriodCOE day 1 up to end of study
An AE (non-serious and serious) was any untoward medical occurrence in a participant who received study treatment without regard to possibility of causal relationship. Any such events with initial onset or increasing in severity after the first dose of study treatment were counted as treatment-emergent Adverse Event (TEAE). Treatment-related TEAE were determined by investigators.
PrimaryNumber of Participants With Laboratory Abnormalities During SBE PeriodWeek 28 up to Week 52 for non-responders and responders in the withdrawal segment, AT day 1 up to AT Week 24 for retreatment segment (AT=active treatment)
Following laboratory parameters were assessed against pre-defined abnormality criteria: hematology(Hemoglobin, Hematocrit, RBC count, Reticulocyte count, Platelet count, WBC count with differential, Total neutrophils, Eosinophils, Monocytes, Basophils, Lymphocytes); serum chemistry (BUN and Creatinine, Cystatin C, Creatine Phosphokinase, Glucose , Na+, K+, Cl ,Ca++, Total CO2, AST, ALT, Total Indirect \& Direct Bilirubin, Alkaline phosphatase, Uric acid, Albumin,Total protein, Fasting lipid Profile Panel; urinalysis(pH, Glucose, Protein, Nitrites, Leukocyte esterase, Microscopy culture);Other(HIV, HBsAg, HBcAb, HepB reflex (HbsAB), if applicable, HCVAb, Serum pregnancy test, Urine pregnancy test, FSH, QFT G or other IGRA, or PPD, EBV, CMV, HSV1, HSV2, VZV, Skin swab for herpetiform rash, Skin swab for potential drug related rash).Retest/discontinuation criteria are defined in Protocol Appendix 6.1 and 6.2 respectively.
PrimaryNumbers of Participants With Specific Clinical Laboratory Abnormalities During COE PeriodCOE day 1 up to end of study
Following laboratory parameters were assessed against pre-defined abnormality criteria: hematology(Hemoglobin, Hematocrit, RBC count, Reticulocyte count, Platelet count, WBC count with differential, Total neutrophils, Eosinophils, Monocytes, Basophils, Lymphocytes); serum chemistry (BUN and Creatinine, Cystatin C, Creatine Phosphokinase, Glucose , Na+, K+, Cl ,Ca++, Total CO2, AST, ALT, Total Indirect \& Direct Bilirubin, Alkaline phosphatase, Uric acid, Albumin,Total protein, Fasting lipid Profile Panel; urinalysis(pH, Glucose, Protein, Nitrites, Leukocyte esterase, Microscopy culture);Other(HIV, HBsAg, HBcAb, HepB reflex (HbsAB), if applicable, HCVAb, Serum pregnancy test, Urine pregnancy test, FSH, QFT G or other IGRA, or PPD, EBV, CMV, HSV1, HSV2, VZV, Skin swab for herpetiform rash, Skin swab for potential drug related rash).Retest/discontinuation criteria are defined in Protocol Appendix 6.1 and 6.2 respectively.
SecondaryChange From Baseline in Severity of Alopecia Tool (SALT) Score at Week 24 -AT/AU ParticipantsBaseline, Week 24
SALT is a quantitative assessment of alopecia areata (AA) severity based on the scalp hair loss. The SALT score can vary from 0 to 100%, with higher scores representing increasing severity of disease. Change from baseline is defined as the baseline value minus the value at a specific visit. Positive change from baseline implies an improvement. Alopecia totalis (AT): derived as SALT score = 100% at baseline only. Alopecia universalis (AU): derived as SALT score = 100% and both eyelash and eyebrow assessments were "none" at baseline.
SecondaryPercentage of Participants Achieving SALT 30 at Week 24Baseline, Week 24
SALT is a quantitative assessment of alopecia areata (AA) severity based on the scalp hair loss. A SALT 30 response is a 30% or greater reduction from baseline in SALT score. The SALT score can vary from 0 to 100%, with higher scores representing increasing severity of disease. The analysis was done using FAS (full analysis set) based on Non-responder imputation (ie. set missing values to be non-responsive) data. The 90% CI was calculated using Chan and Zhang method.
SecondaryChange From Baseline in Severity of Alopecia Tool (SALT) Across Time (Treatment Period)Baseline, Weeks 2,4,6,8,12,16,20,24
SALT is a quantitative assessment of alopecia areata (AA) severity based on the scalp hair loss. The SALT score can vary from 0 to 100% with higher score indicates more severe disease. Baseline is defined as the last measurement prior to first dosing (Day 1). Change from baseline is defined as the baseline value minus the value at a specific visit. Positive change from baseline implies an improvement. Least Square Mean and 90% Confidence Interval of Arms (PF-06651600 and PF-06700841) are the Least Square Mean and 90% Confidence Interval for difference from placebo respectively.
SecondaryPercent Change From Baseline in Severity of Alopecia Tool (SALT) Across Time (Treatment Period)Baseline, Weeks 2,4,6,8,12,16,20,24
SALT is a quantitative assessment of alopecia areata (AA) severity based on the scalp hair loss. The SALT score can vary from 0 to 100% with higher score indicates more severe disease. Baseline is defined as the last measurement prior to first dosing (Day 1). Percent change from baseline is defined as SALT baseline value minus SALT value at a specific visit divided by baseline and multiplying by 100. Positive change from baseline implies an improvement. Least Square Mean and 90% Confidence Interval of Arms (PF-06651600 and PF-06700841) are the Least Square Mean and 90% Confidence Interval for difference from placebo respectively.
SecondaryPercentage of Participants Achieving SALT 30 Across Time (Treatment Period)Baseline, Weeks 2,4,6,8,12,16,20,24
SALT is a quantitative assessment of alopecia areata (AA) severity based on the scalp hair loss. A SALT 30 response is a 30% or greater reduction from baseline in SALT score. The SALT score can vary from 0 to 100%, with higher scores representing increasing severity of disease. The analysis was done using FAS (full analysis set) based on Non-responder imputation (ie. set missing values to be non-responsive) data. The percentage(Number) and 90% confidence interval (CI) of Arms(PF-06651600 and PF-06700841) in this outcome measurement is the percentage and 90% CI for difference from placebo. The 90% CI was calculated using Chan and Zhang method.
SecondaryPercentage of Participants Achieving SALT 50 Across Time (Treatment Period)Baseline, Weeks 2,4,6,8,12,16,20,24
SALT is a quantitative assessment of alopecia areata (AA) severity based on the scalp hair loss. A SALT 50 response is a 50% or greater reduction from baseline in SALT score. The SALT score can vary from 0 to 100%, with higher scores representing increasing severity of disease. The analysis was done using FAS (full analysis set) based on Non-responder imputation (ie. set missing values to be non-responsive) data. The percentage(Number) and 90% confidence interval (CI) of Arms(PF-06651600 and PF-06700841) in this outcome measurement is the percentage and 90% CI for difference from placebo. The 90% CI was calculated using Chan and Zhang method.
SecondaryPercentage of Participants Achieving SALT 75 Across Time (Treatment Period)Baseline, Weeks 2,4,6,8,12,16,20,24
SALT is a quantitative assessment of alopecia areata (AA) severity based on the scalp hair loss. A SALT 75 response is a 75% or greater reduction from baseline in SALT score. The SALT score can vary from 0 to 100%, with higher scores representing increasing severity of disease. The analysis was done using FAS (full analysis set) based on Non-responder imputation (ie. set missing values to be non-responsive) data. The percentage(Number) and 90% confidence interval (CI) of Arms(PF-06651600 and PF-06700841) in this outcome measurement is the percentage and 90% CI for difference from placebo. The 90% CI was calculated using Chan and Zhang method.
SecondaryPercentage of Participants Achieving SALT 90 Across Time (Treatment Period)Baseline, Weeks 2,4,6,8,12,16,20,24
SALT is a quantitative assessment of alopecia areata (AA) severity based on the scalp hair loss. A SALT 90 response is a 90% or greater reduction from baseline in SALT score. The SALT score can vary from 0 to 100%, with higher scores representing increasing severity of disease. The analysis was done using FAS (full analysis set) based on Non-responder imputation (ie. set missing values to be non-responsive) data. The percentage(Number) and 90% confidence interval (CI) of Arms(PF-06651600 and PF-06700841) in this outcome measurement is the percentage and 90% CI for difference from placebo. The 90% CI was calculated using Chan and Zhang method.
SecondaryPercentage of Participants Achieving SALT 100 Across Time (Treatment Period)Baseline, Weeks 2,4,6,8,12,16,20,24
SALT is a quantitative assessment of alopecia areata (AA) severity based on the scalp hair loss. A SALT 100 response is a 100% or greater reduction from baseline in SALT score. The SALT score can vary from 0 to 100%, with higher scores representing increasing severity of disease. The analysis was done using FAS (full analysis set) based on Non-responder imputation (ie. set missing values to be non-responsive) data. The percentage(Number) and 90% confidence interval (CI) of Arms(PF-06651600 and PF-06700841) in this outcome measurement is the percentage and 90% CI for difference from placebo. The 90% CI was calculated using Chan and Zhang method.
SecondaryNumber of Participants With the IGA Score Change (Treatment Period)baseline, Week 2,4,6,8,12,16,20,24
The clinical evaluator of alopecia areata (AA) will perform an assessment of the overall improvement of AA and assign an Investigator Global Assessment (IGA) score(ranging from 0 to 5) with higher score representing higher regrowth rate. Baseline is defined as the last measurement prior to first dosing (Day 1).
SecondaryNumber of Participants With Treatment-emergent Adverse Events (All-causality and Treatment-related) - Treatment Periodbaseline up to Week 24
An AE (non-serious and serious) was any untoward medical occurrence in a participant who received study treatment without regard to possibility of causal relationship. Any such events with initial onset or increasing in severity after the first dose of study treatment were counted as treatment-emergent Adverse Event (TEAE). Treatment-related TEAE were determined by investigators.
SecondaryNumber of Participants With Laboratory Abnormalities During Treatment PeriodBaseline up to Week 24
Following laboratory parameters were assessed against pre-defined abnormality criteria: hematology(Hemoglobin, Hematocrit, RBC count, Reticulocyte count, Platelet count, WBC count with differential, Total neutrophils, Eosinophils, Monocytes, Basophils, Lymphocytes); serum chemistry (BUN and Creatinine, Cystatin C, Creatine Phosphokinase, Glucose , Na+, K+, Cl ,Ca++, Total CO2, AST, ALT, Total Indirect \& Direct Bilirubin, Alkaline phosphatase, Uric acid, Albumin,Total protein, Fasting lipid Profile Panel; urinalysis(pH, Glucose, Protein, Nitrites, Leukocyte esterase, Microscopy culture);Other(HIV, HBsAg, HBcAb, HepB reflex (HbsAB), if applicable, HCVAb, Serum pregnancy test, Urine pregnancy test, FSH, QFT G or other IGRA, or PPD, EBV, CMV, HSV1, HSV2, VZV, Skin swab for herpetiform rash, Skin swab for potential drug related rash).Retest/discontinuation criteria are defined in Protocol Appendix 6.1 and 6.2 respectively.
SecondaryTime to Achieve the Retreatment Criteria During the Withdrawal/Retreatment Part of the Extension Period Among Subjects Who Achieved Primary Endpoint at Week 24 (SBE Period)Week 24 up to Week 52
Time to re-treatment (weeks) = (date of re-treatment criteria met - date at Week 24 +1)/7. The calendar time to retreatment was calculated. Baseline is defined as Week 24 measurement. The duration in Drug Holiday #1 (ranging from 2-6 weeks) is counted in the Kaplan-Meier analysis. One subject directly entered the re-treatment period and hence is censored at baseline in the Kaplan-Meier analysis.
SecondaryChange From Baseline in SALT Across Time (SBE Period)Weeks 30, 32, 34, 36, 40, 44, 48, 52 for non-responders, and AT Weeks 2, 4, 6, 8, 12, 16, 20, 24 for retreated responders.(AT=active treatment)
SALT is a quantitative assessment of alopecia areata (AA) severity based on the scalp hair loss. The SALT score can vary from 0 to 100% with higher score indicates more severe disease. Baseline is defined as the last measurement prior to first dosing (Day 1). Change from baseline is defined as the baseline value minus the value at a specific visit. Positive change from baseline implies an improvement. Least Square Mean and 90% confidence interval in this outcome measurement is the LSM and 90%CI for difference from initial 24-week treatment period placebo respectively.
SecondaryPercentage of Participants Achieving SALT 30 Across Time (SBE Period)Weeks 30, 32, 34, 36, 40, 44, 48, 52 for non-responders, and AT Weeks 2, 4, 6, 8, 12, 16, 20, 24 for retreated responders.(AT=active treatment)
SALT is a quantitative assessment of alopecia areata (AA) severity based on the scalp hair loss. A SALT 30 response is a 30% or greater reduction from baseline in SALT score. The SALT score can vary from 0 to 100%, with higher scores representing increasing severity of disease. The analysis was done using FAS (full analysis set) based on Non-responder imputation (ie. set missing values to be non-responsive) data. The percentage(Number) and 90% confidence interval (CI) in this outcome measurement is the percentage and 90% CI for difference from initial 24-week treatment period placebo. The 90% CI was calculated using Chan and Zhang method.

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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