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Apremilast

Phase 3

Plaque Psoriasis | Small molecule | Immunology |Amgen Inc.|Last Updated: Jan 5, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials6
Total Enrollment1,680
FDA Designations
No designations recorded
Clinical Trials (6)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06122649A Study to Investigate Efficacy and Safety of Apremilast 30 mg Twice Daily (BID) in Chinese Participants With Moderate to Severe Plaque-type Psoriasis (PsO)PHASE3 COMPLETED 203Nov 27, 2023Dec 5, 2025Jan 5, 202621 China
NCT06088199A Study of Apremilast in Pediatric Participants in Children With Mild to Moderate Plaque PsoriasisPHASE3 ACTIVE NOT_RECRUITING 51Oct 24, 2023Aug 6, 2026Nov 17, 202530 United States
NCT05565560A Study to Assess the Efficacy and Safety of Apremilast in Japanese Pediatric Participants With Moderate to Severe Plaque PsoriasisPHASE3 ACTIVE NOT_RECRUITING 17Jan 25, 2023Sep 6, 2026Dec 19, 202529 Japan
NCT03930186A Phase 3B, Open-label, Single-arm Study of the Efficacy and Safety of Apremilast, in Subjects With Plaque Psoriasis That is Not Adequately Controlled by Topical TherapyPHASE3 COMPLETED 152Jun 17, 2019Sep 25, 2020Jan 20, 202256 Germany, Japan
NCT01232283Study to Evaluate Safety and Effectiveness of Oral Apremilast (CC-10004) in Patients With Moderate to Severe Plaque Psoriasis.PHASE3 COMPLETED 413Nov 22, 2010Nov 30, 2016Mar 15, 202246 United States, Austria +7
NCT01194219Study to Evaluate Safety and Effectiveness of Oral Apremilast (CC-10004) in Patients With Moderate to Severe Plaque PsoriasisPHASE3 COMPLETED 844Sep 9, 2010Nov 22, 2016Mar 15, 2022 -
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Study Endpoints
Primary Endpoints
Number of Participants Achieving at least a 75% Reduction (Improvement) From Baseline in Psoriasis Area and Severity Index (PASI) at Week 16
Week 16
Number of Participants With Treatment-emergent Adverse Events
Day 1 up to approximately 285 days
Achievement of a static Physician Global Assessment (sPGA) score of clear (0) or almost clear (1) with at least 2 points reduction from baseline at Week 16
Week 16
Percentage of Participants Who Achieved an sPGA Score of Clear (0) or Almost Clear (1) at Week 16
Week 16

The sPGA is an assessment by the Investigator of the overall disease severity at the time of evaluation. Erythema (E), induration (I), and desquamation (D) are scored on a 5-point scale, ranging from 0 (clear) to 4 (severe). The National Psoriasis Foundation Psoriasis Score version of a static PGA is calculated by averaging the total body erythema, induration, and desquamation scores. The overall scores are as follows: 0 = Clear; 1. = Almost Clear; 2. = Mild; 3. = Moderate; 4. = Severe. The percentage of participants with a sPGA response was estimated using a multiple imputation method from 100 imputed data sets.

Percentage of Participants Who Achieved at Least a 75% Improvement (Response) in the Psoriasis Area Severity Index (PASI-75) at Week 16 From Baseline
Baseline to Week 16

PASI-75 response is the percentage of participants who achieved at least a 75% reduction (improvement) from baseline in PASI score at week 16. The improvement in PASI score was used as a measure of efficacy. The PASI is a measure of psoriatic disease severity taking into account qualitative lesion characteristics (erythema, thickness, and scaling) and degree of skin surface area involvement on defined anatomical regions. PASI scores range from 0 to 72, with higher scores reflecting greater disease severity. Erythema, thickness, and scaling are scored on a scale of 0 (none) to 4 (very severe) on 4 anatomic regions of the body: head, trunk, upper limbs, and lower limbs. Degree of involvement on each of the 4 anatomic regions is scored on a scale of 0 (no involvement) to 6 (90% to 100% involvement). The PASI score was set to missing if any severity score or degree of involvement is missing.

Percentage of Participants Who Achieved a 75% Improvement (Response) in the Psoriasis Area Severity Index (PASI-75) at Week 16 From Baseline
Baseline to Week 16

PASI-75 response is the percentage of participants who achieved at least a 75% reduction (improvement) from baseline in PASI score at Week 16. The improvement in PASI score was used as a measure of efficacy. The PASI was a measure of psoriatic disease severity taking into account qualitative lesion characteristics (erythema, thickness, and scaling) and degree of skin surface area involvement on defined anatomical regions. PASI scores range from 0 to 72, with higher scores reflecting greater disease severity. Erythema, thickness, and scaling are scored on a scale of 0 (none) to 4 (very severe) on 4 anatomic regions of the body: head, trunk, upper limbs, and lower limbs. Degree of involvement on each of the 4 anatomic regions is scored on a scale of 0 (no involvement) to 6 (90% to 100% involvement). The PASI score was set to missing if any severity score or degree of involvement is missing.

Secondary Endpoints
Number of Participants Achieving a Static Physician's Global Assessment (sPGA) Score of Clear (0) or Almost Clear (1) and with ≥ 2-point Reduction From Baseline at Week 16
Baseline and Week 16
Number of Participants Achieving ≥ 4-point Reduction (Improvement) From Baseline in the Whole Body Itch Scale (NRS) Score at Week 16
Baseline and Week 16
Number of Participants with Baseline Scalp Physician's Globa Assesment (ScPGA) of ≥ 2 Achieving a Clear (0) or Almost Clear (1) ScPGA and with ≥ 2-point Reduction From Baseline and at Week 16
Baseline and Week 16
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Placebo-controlled Treatment PhasEXPERIMENTALParticipants are randomized in a 1:1 ratio to take either apremilast or placebo BID for 16 weeks.
Active Treatment PhaseEXPERIMENTALParticipants who received placebo during the placebo-controlled treatment phase will receive apremilast BID for 36 weeks. Participants who took apremilast will continue receiving it BID for 36 weeks.
ApremilastEXPERIMENTALApremilast will be dosed by participant's body weight and administered twice daily (BID) in the form of oral tablets, approximately 12 hours apart, without restriction of food or drink.
PlaceboPLACEBO_COMPARATORParticipants will be initially randomized to placebo, identically matching during Weeks 0-16. At Week 16, Placebo participants will be switched to receive apremilast 30 mg BID. All participants will maintain Apremilast dosing through Week 32. At Week 32, participants originally randomized to placebo at baseline (Week 0) and are considered non-responders i( \< PASI-50) will have the option of adding topical therapies and/or phototherapy to their Apremilast treatment regimen. At Week 52, all participants will continue treatment with apremilast 30 mg BID. Participants will be followed and evaluated for safety and efficacy for up to an additional 4 years (years 2 through 5).
Apremilast 30 mgACTIVE_COMPARATORApremilast 30 mg by mouth (PO) twice a day (BID). Participants initially randomized to apremilast 30 mg BID, and who were able to demonstrate a Psoriasis Area Severity Index (PASI) -75 response at week 32 were randomized (1 to 1) to either apremilast 30 mg BID or oral placebo (until effect is lost). At relapse/loss of response to therapy prior to Week 52 (the time at which 75% improvement in PASI score compared to baseline was lost) or at Week 52, participants were re-treated with apremilast 30 mg BID for the duration of their participation in the study. Non-responders or partial responders (PASI response \<75) received additional topical therapies or phototherapy beginning at Week 32.
Interventions
NameTypeDescription
apremilastDRUGOral tablet
PlaceboDRUGOral tablet
Topical TherapyDRUGParticipants continued to use their existing topical treatment for psoriasis for the first 16 weeks. After 16 weeks, participants could decrease the use of topical therapy at their discretion under the direction of their physician.
Topical or Phototherapy TherapyOTHERTopical therapies such as low-potency or weak corticosteroids or phototherapies such as light therapy are added for non-responders at Week 32, (\< PASI-50) and added to their treatment regimen. The decision to add these treatments during this phase can only be made at the Week 32 visit.
Topical treatments or phototherapyDRUGAt week 32, participants considered partial responders or non-responders had the option of adding topical therapies and/or phototherapy to their treatment regimen.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites21

Inclusion Criteria * Chinese participants aged ≥18. * Diagnosis of chronic, stable moderate to severe plaque PsO for ≥ 12 months before screening. The participant must have sPGA score ≥ 3, PASI score ≥ 12, and BSA involvement ≥ 10% at both screening and baseline (week 0). * Participant is a candida...

Countries:ChinaUnited StatesJapanGermanyAustriaCanadaDenmarkFranceItalySpainSwitzerland
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT05565560primaryCompletionDate: changed
LOWMay 26, 2026NCT06088199primaryCompletionDate: changed
LOWMay 24, 2026NCT05565560studyFirstPostDate: changed
LOWMay 24, 2026NCT06088199studyFirstPostDate: changed