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Enbrel

Phase 4FDA approved 1998

Ankylosing Spondylitis | Small molecule | Immunology |Pfizer, Inc.|Trials Updated: Dec 13, 2023

Enbrel development status

FDA approval Nov 2, 1998
Approval holderImmunex
ApplicationBLA103795
Highest phase Phase 4 (NCT00410046)
Phase scored for PFEPhase 3
Registered trials 563+ across 161 sponsors since Nov 1999

Label indication Enbrel is a tumor necrosis factor (TNF) blocker indicated for the treatment of: Adult patients with: Rheumatoid Arthritis (RA) ( 1.1 ) Psoriatic Arthritis (PsA) ( 1.3 ) Ankylosing Spondylitis (AS) ( 1.4 ) Plaque Psoriasis (PsO) ( 1.5 ) Pediatric patients with: Polyarticular Juvenile Idiopathic Arthritis (pJIA), 2 years of age or older ( 1.2 ) Juvenile Psoriatic Arthritis, 2 years of age or older (JPsA) ( 1.6 )… FDA label

Enbrel target and mechanism

ModalitySmall molecule

Also known as Enbrel (etanercept), etanercept, Phase 1: Etanercept, etanercept (genetical recombination), no intervention

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindUNCONTROLLED
Total Trials18
Total Enrollment4,143

FDA Designations

No designations recorded

Enbrel clinical trials

Enbrel · 18 trials · 10 indications

Phase 3 16Phase 2 2
NCT02378506Study to Assess the Immunogenicity, Safety, and Efficacy of High Capacity Process Etanercept in Rheumatoid Arthritis SubjectsArthritis, Rheumatoid
COMPLETED188 Analytics
NCT01421069Extension Study Evaluating Etanercept in 3 Subtypes of Childhood ArthritisJuvenile Idiopahtic Arthritis
COMPLETED109 Analytics
NCT01258738Study Comparing Etanercept (ETN) Against a Placebo for Etanercept on a Background Nonsteroidal Anti Inflammatory Drug (NSAIDs) in the Treatment of Early Spondyloarthritis (SpA) Patients Who do Not Have X-ray Structural ChangesSpondylitis, Ankylosing
COMPLETED225 Analytics
NCT00962741Study Evaluating Etanercept in 3 Subtypes of Childhood ArthritisArthritis, Juvenile Idiopathic
COMPLETED127 Analytics
NCT00459706Study Comparing Perceptions and Satisfaction for Two Different Delivery Mechanisms for EtanerceptRheumatoid Arthritis
COMPLETED640 Analytics
NCT00482170Compare Perceptions and Satisfaction for Two Different Delivery Mechanisms for EtanerceptPsoriasis
COMPLETED421 Analytics
NCT00484237A Study Evaluating 10 mg and 25 mg Doses of Etanercept in Patients With Rheumatoid ArthritisRheumatoid Arthritis
COMPLETED80 Analytics
NCT00434044Study Evaluating Etanercept in the Treatment of Subjects With Ankylosing SpondylitisAnkylosing Spondylitis
COMPLETED150 Analytics
NCT00418717Open Label, Dose-Regimen Study Evaluating Etanercept 50 mg Once-Weekly In Japanese Subjects With RAArthritis, Rheumatoid
COMPLETED42 Analytics
NCT00445770Study Evaluating the Efficacy and Safety of Etanercept and Methotrexate in Japanese Subjects With Rheumatoid ArthritisArthritis, Rheumatoid
COMPLETED550 Analytics
PHASE3COMPLETED
Study to Assess the Immunogenicity, Safety, and Efficacy of High Capacity Process Etanercept in Rheumatoid Arthritis Subjects
Arthritis, RheumatoidUnlock trial analytics
PHASE3COMPLETED
Extension Study Evaluating Etanercept in 3 Subtypes of Childhood Arthritis
Juvenile Idiopahtic ArthritisUnlock trial analytics
PHASE3COMPLETED
Study Comparing Etanercept (ETN) Against a Placebo for Etanercept on a Background Nonsteroidal Anti Inflammatory Drug (NSAIDs) in the Treatment of Early Spondyloarthritis (SpA) Patients Who do Not Have X-ray Structural Changes
Spondylitis, AnkylosingUnlock trial analytics
PHASE3COMPLETED
Study Evaluating Etanercept in 3 Subtypes of Childhood Arthritis
Arthritis, Juvenile IdiopathicUnlock trial analytics
PHASE3COMPLETED
Study Comparing Perceptions and Satisfaction for Two Different Delivery Mechanisms for Etanercept
Rheumatoid ArthritisUnlock trial analytics
PHASE3COMPLETED
Compare Perceptions and Satisfaction for Two Different Delivery Mechanisms for Etanercept
PsoriasisUnlock trial analytics
PHASE3COMPLETED
A Study Evaluating 10 mg and 25 mg Doses of Etanercept in Patients With Rheumatoid Arthritis
Rheumatoid ArthritisUnlock trial analytics
PHASE3COMPLETED
Study Evaluating Etanercept in the Treatment of Subjects With Ankylosing Spondylitis
Ankylosing SpondylitisUnlock trial analytics
PHASE3COMPLETED
Open Label, Dose-Regimen Study Evaluating Etanercept 50 mg Once-Weekly In Japanese Subjects With RA
Arthritis, RheumatoidUnlock trial analytics
PHASE3COMPLETED
Study Evaluating the Efficacy and Safety of Etanercept and Methotrexate in Japanese Subjects With Rheumatoid Arthritis
Arthritis, RheumatoidUnlock trial analytics

Study Endpoints

Primary Endpoints

Percentage of Participants With Positive Etanercept Anti-Drug Antibody (ADA) Status at Week 12
Week 12

Participants who developed anti-drug antibodies after treatment with Etanercept were evaluated. Percentage of participants with positive Etanercept anti-drug antibodies were summarized.

Percentage of Participants With Positive Etanercept Anti-Drug Antibody Status at Week 24
Week 24

Participants who developed anti-drug antibodies after treatment with Etanercept were evaluated. Percentage of participants with positive Etanercept anti-drug antibodies were summarized.

Percentage of Participants With Positive Etanercept Anti-Drug Antibody Status: Throughout Study Treatment
Baseline up to Week 24

Participants who developed anti-drug antibodies after treatment with Etanercept were evaluated. Percentage of participants with positive Etanercept anti-drug antibodies were summarized.

Number of Participants With Malignancy: All Periods of Parent and Extension Study
First dose of study medication in parent study up to 96 months in the extension study, for a maximum duration of 118 months (22 months of parent study and 96 months of extension study)

Number of participants who had adverse event (AE) of malignancy were reported. An AE was any untoward medical occurrence in a participant who received study medication without regard to possibility of causal relationship to it.

Percentage of Participants Achieving Ankylosing Spondylitis (ASAS) 40 Response at Week 12
Week 12

ASAS measures symptomatic improvement in Ankylosing Spondylitis (AS) in 4 domains: participant global assessment of disease activity, pain, function, inflammation. ASAS 40 = 40% improvement from baseline and an absolute change ≥ 20 units on a 0-100 scale (0 = no disease activity, 100 = high disease activity) for ≥ 3 domains, and no worsening in remaining domain.

Percentage of Participants With an American College of Rheumatology Pediatric 30 (ACR Pedi 30) Response at Week 12
Week 12

ACR Pedi 30 response: greater than or equal to (\>=) 30% improvement from baseline in 3 of 6 criteria with worsening \> 30% in no more than 1 of 6 criteria: 1) physician's global assessment of disease activity, 2) parent/patient global assessment of arthritis pain, 3) childhood health assessment questionnaire (CHAQ) 4) number of active joints 5) number of joints with limited range of motion and 6) C-reactive protein.

Participant Satisfaction on Day 84 for 2 Different Delivery Mechanisms for Etanercept, Modified Intent-to-treat Population
Day 84

Participant's response to the question "How satisfied are you with your injection device?" scored on a 10-point ordinal scale: 0=totally dissatisfied to 10=totally satisfied. Higher score indicated greater satisfaction with the delivery mechanism.

Participant Satisfaction on Day 84 for 2 Different Delivery Mechanisms for Etanercept, Per-Protocol Population
Day 84

Participant's response to the question "How satisfied are you with your injection device?" scored on a 10-point ordinal scale: 0=totally dissatisfied to 10=totally satisfied. Higher score indicated greater satisfaction with the delivery mechanism.

Participant Satisfaction With Injection Device Evaluated at Week 12 for Modified Intent-to-treat (mITT) Population
Week 12

Participant satisfaction was assessed by asking the question, "How satisfied are you with your injection device?" using a 0-10 point scale, where 0= totally dissatisfied and 10= totally satisfied.

Participant Satisfaction With Injection Device at Week 12 for Per-protocol (PP) Population
Week 12

Participant satisfaction was assessed by asking the question, "How satisfied are you with your injection device?" using a 0-10 point scale, where 0= totally dissatisfied and 10= totally satisfied.

The primary comparison of the study will be the change of DAS28-4ESR scores from baseline (week 0) between the 10 mg BIW group (at week 12) and the 25 mg QW group (at week 12).
Assessment in Ankylosing Spondylitis (ASAS) response criteria 20% at week six.
Disease Activity Score Using 28-joint Count and Erythrocyte Sedimentation Rate (4 Variables) (DAS28-4ESR) by Treatment Period.
weeks 4 and 12

DAS28-4ESR is a clinical index of rheumatoid arthritis disease activity based on information from swollen joints, tender joints, acute phase response (Erythrocyte Sedimentation Rate) and general health. DAS28-4ESR scores range from 0 - 10, where a score of less than or equal to 3.2 implies well controlled disease and greater than or equal to 5.1 implies active disease. In this analysis, the DAS28-4ESR is compared for 2 different treatment regimens (used sequentially by the same patient population): Treatment Period A: ETN 25 mg BW (at week 4) vs Treatment Period B: ETN 50 mg QW (at week 12).

Change From Baseline in Modified Total Sharp Score (mTSS) at Week 52
Week 52

mTSS = sum of erosion and JSN scores for 44 joints (16 per hand and 6 per foot). mTSS scores ranged from 0 (normal) to 448 (worst possible total score). Change = scores at observation minus score at Baseline. An increase in mTSS from baseline represented disease progression and/or joint worsening, no change represented halting of disease progression, and a decrease represents improvement.

The primary efficacy endpoint is the PASI 75 response at week 12. PASI 75 is defined as a 75% or greater improvement in PASI score from baseline.
The primary endpoint is ACR20 response at 12 weeks.
The primary objective is to assess the efficacy (measured by % of subjects achieving ASAS 20 (Assessments in Ankylosing Spondylitis 20%) at week 12) and safety of etanercept 50 mg once weekly.
To compare the efficacy of etanercept (25 mg, twice weekly) with that of placebo based on the
percentage of patients who achieved the assessment in Ankylosing Spondylitis (ASAS 20%) response criteria at week 12.
The objective of this study is to evaluate the therapeutic response including radiographic changes and safety of etanercept alone, methotrexate (MTX) alone, and the combination of etanercept and MTX in patients with rheumatoid arthritis (RA)
Change in FEV1% predicted from baseline to week 12 (before bronchodilator administration).

Secondary Endpoints

Percentage of Participants With Positive Etanercept Neutralizing Anti-Drug Antibody Status: Throughout Study Treatment
Baseline (Day 1) up to Week 24
Number of Participants With Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)
Baseline (Day 1) up to Week 28 (Follow-up)
Number of Participants With Investigator-Identified Serious Infections
Baseline (Day 1) up to Week 28 (Follow-up)
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
ETN 50mg QWEXPERIMENTAL -
1EXPERIMENTAL -
etanerceptACTIVE_COMPARATORIn Period 1 : Subjects will receive via a prefilled syringe an active dose equivalent to 1.0ml of Etanercept solution once weekly SC once weekly. Additionally they will continue to take the background non steroidal anti inflammatory drug(NSAID) in the tolerated dose agreed upon by the attending Physician.
PLACEBOPLACEBO_COMPARATORIn Period 1: Subjects will receive in a prefilled syringe with a PLACEBO dose equivalent to 1.0 ml of placebo solution once weekly SC Additionally they will continue to take the background non steroidal anti inflammatory drug(NSAID) in the tolerated dose agreed upon by the attending Physician.
Enbrel 50 mg Prefilled SyringeEXPERIMENTALEnbrel 50 mg subcutaneously once weekly for 12 Weeks using Prefilled Syringe
Enbrel 50 mg AutoinjectorEXPERIMENTALEnbrel 50 mg subcutaneously once weekly for 12 Weeks using Autoinjector
2ACTIVE_COMPARATORArm 2 Enbrel 50 mg Autoinjector
3ACTIVE_COMPARATOR -

Interventions

NameTypeDescription
etanerceptBIOLOGICAL50mg subcutaneous, once weekly, 24 weeks
Background NSAIDDRUGSubject will continue to take a concomitant background non steroidal anti inflammatory drug(NSAID)as prescribed by their attending physician. The name and dose of this NSAID is the decision of the attending physician.
PLACEBOOTHERIn Period 1 will receive a prefilled syringe of Placebo for Etanercept Additionally they will continue to take the background non steroidal anti inflammatory drug(NSAID) in the tolerated dose agreed upon by the attending Physician.
Enbrel 50 mg Prefilled SyringeDEVICEEnbrel 50 mg subcutaneously once weekly for 12 Weeks using Prefilled Syringe
Enbrel 50 mg AutoinjectorDEVICEEnbrel 50 mg subcutaneously once weekly for 12 Weeks using Autoinjector
Enbrel (etanercept)DEVICEArm 1 = Enbrel 50 mg Prefilled Syringe twice weekly
MethotrexateDRUGup to 8 mg per week, oral dosing for 52 weeks
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites31

Inclusion Criteria: * Moderate to severe active disease with presence of at least 4 tender joints and 4 swollen joints. * Either the patient or a designee must be capable of administering the subcutaneous injection of study drug. Exclusion Criteria: * Prior treatment with etanercept. * Presence o...

Countries:BulgariaCroatiaGermanyGreeceHungaryPolandSerbiaSlovakiaSouth AfricaAustraliaBelgiumColombiaCzechiaFranceItalyLatviaLithuaniaMexicoNetherlandsNorwayRussiaSloveniaSpainArgentinaFinlandSouth KoreaTaiwanUnited KingdomDenmarkSwedenJapanAustriaRomaniaChinaIsraelPortugalUnited States
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Competitive Landscape -Ankylosing Spondylitis 16 trials

Frequently asked questions about Enbrel

What is Enbrel used for?

Enbrel is used to treat ankylosing spondylitis, psoriasis, and rheumatoid arthritis. It is an immunology therapy developed by Pfizer, Inc. (PFE). Clinical development has focused on these inflammatory conditions, with Phase 3 trials completed in ankylosing spondylitis, psoriasis, and rheumatoid arthritis patient populations.

Who makes Enbrel?

Enbrel is developed by Pfizer, Inc., which trades on the New York Stock Exchange under the ticker PFE. Pfizer is the company associated with the clinical development program for Enbrel across its immunology indications, including ankylosing spondylitis, psoriasis, and rheumatoid arthritis.

What phase is Enbrel in?

Enbrel has been studied in Phase 3 clinical trials. The development program includes completed Phase 3 studies in ankylosing spondylitis, psoriasis, and rheumatoid arthritis. These trials enrolled adults aged 18 years and older and were conducted across multiple European countries.

What clinical trials is Enbrel in?

Enbrel has been evaluated in completed Phase 3 trials including NCT00482170 in psoriasis, NCT00459706 in rheumatoid arthritis, and NCT00434044 and NCT00421915 in ankylosing spondylitis. These studies assessed perceptions and satisfaction with different delivery mechanisms and evaluated etanercept treatment in ankylosing spondylitis patients.

Is Enbrel the same as etanercept?

Yes, Enbrel is also known as etanercept. Enbrel (etanercept) is the same therapy, and the two names refer to the same product. Clinical trial records and prescribing information may use either name interchangeably when referring to this immunology treatment developed by Pfizer, Inc.