TheraRadar
Data updated: May 26, 2026

TALTZ (ixekizumab)

Interleukin-17A Antagonists Trial Activity: Stable 11 active trials
Immunology Approved 2016-03-22

TALTZ is indicated for the treatment of Moderate-to-severe plaque psoriasis in patients 6 years of age and older; Active psoriatic arthritis in adults; Active ankylosing spondylitis in adults; Active non-radiographic axial spondyloarthritis with objective signs of inflammation in adults.

Source: FDA Label • Eli Lilly • Interleukin-17A Antagonist

How TALTZ Works

Ixekizumab is a humanized monoclonal antibody that selectively binds to the interleukin 17A (IL-17A) cytokine. By binding to this cytokine, the drug prevents it from interacting with the IL-17 receptor found on various cells. This action inhibits the release of proinflammatory cytokines and chemokines that are typically involved in normal inflammatory and immune responses. Through this targeted blockade, the medication reduces the inflammation associated with specific autoimmune and musculoskeletal disorders.

Development Insights

Eli Lilly and Company conducting 29 trials (66%)
29 indications explored (Broad Platform)
plaque psoriasis (9 trials)
psoriasis (8 trials)
psoriatic arthritis (5 trials)
7
Indications
--
Phase 3 Trials
1
Priority Reviews
10
Years on Market

Details

Status
Prescription
First Approved
2016-03-22
Patent Cliff
2027
Revenue
$1.0B (Q4-2025)

Pro Metrics

Patent cliff and revenue data

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Routes
INJECTION
Dosage Forms
INJECTABLE

Companies

Active Ingredient: IXEKIZUMAB

TALTZ Approval History

2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Original
New Indication
New Form
Label Update
14 FDA actions from 2016 to 2024 · 6 indication expansions
Aug 2024 SUPPL
Label · Labeling
Sep 2023 SUPPL
Label · Labeling
Jul 2022 SUPPL
Label · Labeling

What TALTZ Treats

4 indications

TALTZ is approved for 4 conditions since its original approval in 2016. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Moderate-to-severe plaque psoriasis in patients 6 years of age and older
  • Active psoriatic arthritis in adults
  • Active ankylosing spondylitis in adults
  • Active non-radiographic axial spondyloarthritis with objective signs of inflammation in adults
Source: FDA Label

TALTZ Target & Pathway

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Target

IL-17 (Interleukin-17) Cytokine

A pro-inflammatory cytokine produced by Th17 cells that plays a key role in psoriasis, psoriatic arthritis, and ankylosing spondylitis. Blocking IL-17 reduces the inflammatory cascade that causes skin plaques and joint inflammation.

TALTZ Competitive Set

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Three rings of competition based on shared molecular targets and treated indications.

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Filters applied: drops same-active-ingredient (505(b)(2) reformulations), route-mismatch (topical vs systemic), and cross-therapeutic-area matches in same-indication rings.

What's emerging in TALTZ's indications

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Phase 3 candidates targeting molecules with no FDA-approved drug, in indications TALTZ treats. First-in-class if their pivotal trials read out positive.

Drugs Similar to TALTZ

FDA-approved drugs for similar conditions. Compare mechanisms and indications to understand treatment alternatives.

COSENTYX
SECUKINUMAB
2 shared
Novartis
Shared indications:
Active ankylosing spondylitis in adultsActive non-radiographic axial spondyloarthritis with objective signs of inflammation in adults
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Clinical Trial Registry

44 trials
Trial Sponsor ID Phase Status Title
NCT06588296 TOGETHER-PsA 27241 I1F-MC-RHDB Ph 3 completed Ixekizumab Concomitantly Administered With Tirzepatide in Adults With Psoriatic Arthritis and Obesity or Overweight
NCT04589325 I-DIT IDIT001 Ph 2 active not recruiting Ixekizumab Diabetes Intervention Trial (I-DIT)
NCT06945107 CIBI112A303CN Ph 3 active not recruiting A Study of Switching to Picankibart in Chinese Patients With Plaque Psoriasis With an Inadequate Response to Interleukin-17 Monoclonal Antibody Therapy
NCT04527380 results posted 16694 I1F-MC-RHCG, 2018-000681-10 Ph 3 active not recruiting A Study of Ixekizumab (LY2439821) in Children With Juvenile Idiopathic Arthritis Categories of Enthesitis-related Arthritis (Including Juvenile Onset Ankylosing Spondylitis) and Juvenile Psoriatic Arthritis
NCT04340076 BeNeBio 80-85200-98-18562 2019-004230-42 Ph 4 completed Dose Reduction of IL17 and IL23 Inhibitors in Psoriasis
NCT05309616 2000031202 No NIH funding Ph 2 active not recruiting Effects of Interleukin (IL)-17A Inhibition on Idiopathic Subglottic Stenosis
NCT06588283 TOGETHER-PsO 27243 I1F-MC-RHDC Ph 3 active not recruiting Ixekizumab Concomitantly Administered With Tirzepatide in Adults With Moderate-to-Severe Plaque Psoriasis and Obesity or Overweight
NCT07352566 25-43621 Ph 4 not yet recruiting Utilization of a Microdevice for Psoriasis and Atopic Dermatitis
NCT07200986 CT-P52 1.1 Ph 1 active not recruiting Study to Compare Pharmacokinetics and Safety of CT-P52 and US-licensed Taltz in Healthy Subjects
NCT07138898 25-00380 Ph 2 not yet recruiting Immunosuppressant Management in Rheumatology Patients Undergoing Elective Total Shoulder Arthroplasty
NCT05855967 results posted 18528 I1F-IN-RHCZ Ph 4 completed A Study of Ixekizumab (LY2439821) in Participants Aged ≥18 Years With Moderate-to-Severe Plaque or Active Psoriatic Arthritis in India
NCT04979910 results posted GCO 20-1909 Ph 2 completed Targeting IL-17A for Treatment-Resistant Depression
NCT05080218 COVER COVER-Main Ph 4 completed COVID-19 VaccinE Response in Rheumatology Patients
NCT06374979 2024-0047 Ph 2, Ph 3 not yet recruiting Efficacy and Safety of Ixekizumab in Patients with Refractory Guttate Psoriasis
NCT03137160 results posted 2017H0045 Ph 2 completed An Open-Label, Proof-of-Concept Study of Ixekizumab in the Treatment of Pyoderma Gangrenosum
NCT04285229 results posted 16721 I1F-MC-RHCH Ph 3 completed A Study of Ixekizumab (LY2439821) in Chinese Participants With Radiographic Axial Spondyloarthritis
NCT03848403 results posted 17139 I1F-MC-RHCS Ph 1 terminated Study of Ixekizumab in Healthy Participants
NCT04537689 PsO_IXE Ph 4 recruiting Outcomes With Treatment and Withdraw of Ixekizumab in Patients With Plaque Psoriasis
NCT04724629 STRUCK 402422/2020-1 Ph 3 completed Survival TRial Using CytoKines in COVID-19 (STRUCK Trial)
NCT03129100 results posted 16181 I1F-MC-RHBY, 2016-002634-69 Ph 3 completed A Long Term Extension Study of Ixekizumab (LY2439821) in Participants With Axial Spondyloarthritis
NCT04259346 results posted 17151 I1F-MC-RHCU Ph 1 completed A Study of Two Formulations of Ixekizumab in Healthy Participants
NCT03073200 Ixora-peds results posted 16367 I1F-MC-RHCD, 2016-003331-38 Ph 3 completed Study of Ixekizumab (LY2439821) in Children 6 to Less Than 18 Years With Moderate-to-Severe Plaque Psoriasis
NCT03942042 results posted 17154 I1F-JE-RHCV Ph 4 completed A Study of Ixekizumab (LY2439821) in Participants in Japan With Generalized Pustular Psoriasis and Erythrodermic Psoriasis
NCT03364309 results posted 14438 I1F-MC-RHBH Ph 3 completed A Study of Ixekizumab (LY2439821) in Chinese Participants With Moderate-to-Severe Plaque Psoriasis
NCT03151551 SPIRIT-H2H results posted 16687 I1F-MC-RHCF, 2016-004585-25 Ph 4 completed A Study of Ixekizumab (LY2439821) Versus Adalimumab in Participants With Psoriatic Arthritis
NCT03573323 IXORA-R results posted 17119 I1F-MC-RHCR Ph 4 completed A Study of Ixekizumab (LY2439821) Compared to Guselkumab in Participants With Moderate-to-Severe Plaque Psoriasis
NCT03073213 results posted 15371 I1F-MC-RHBN Ph 1 completed A Study of Ixekizumab in Chinese Participants With Psoriasis Vulgaris
NCT03485976 results posted STUDY00018031 Ph 2 completed Ixekizumab in the Treatment of Pityriasis Rubra Pilaris (PRP)
NCT03848416 results posted 17140 I1F-MC-RHCT Ph 1 completed A Study of Ixekizumab in Healthy Participants
NCT02696798 COAST-W results posted 16179 I1F-MC-RHBW, 2015-003937-84 Ph 3 completed A Study of Ixekizumab (LY2439821) in TNF Inhibitor Experienced Participants With Radiographic Axial Spondyloarthritis
NCT02561806 IXORA-S results posted 16012 I1F-MC-RHBS, 2015-000892-28 Ph 3 completed A Study of Ixekizumab (LY2439821) in Participants With Moderate-to-Severe Plaque Psoriasis
NCT02513550 IXORA-P results posted 15988 I1F-MC-RHBP, 2015-000190-12 Ph 3 completed A Study Comparing Different Dosing Regimens of Ixekizumab (LY2439821) in Participants With Moderate to Severe Plaque Psoriasis
NCT03099538 results posted IRB#16-008302 Ph 2 completed Ixekizumab in the Treatment of Bullous Pemphigoid
NCT02757352 COAST-X results posted 16180 I1F-MC-RHBX, 2015-003938-27 Ph 3 completed A Study of Ixekizumab (LY2439821) in Participants With Nonradiographic Axial Spondyloarthritis
NCT02696785 COAST-V results posted 16178 I1F-MC-RHBV, 2015-003932-11 Ph 3 completed A Study of Ixekizumab (LY2439821) in bDMARD-Naive Participants With Radiographic Axial Spondyloarthritis
NCT02584855 SPIRIT P3 results posted 14518 I1F-MC-RHBF, 2015-002433-22 Ph 3 completed A Long-Term Efficacy and Safety Study of Ixekizumab (LY2439821) in Participants With Active Psoriatic Arthritis
NCT02634801 results posted 16190 I1F-EW-RHBZ, 2015-002649-69 Ph 3 completed A Study of Ixekizumab (LY2439821) in Participants With Moderate-to-Severe Plaque Psoriasis Naive to Systemic Treatment
NCT01107457 results posted 12060 I1F-MC-RHAJ Ph 2 completed A Study in Participants With Moderate to Severe Psoriasis
NCT02387801 results posted 15454 I1F-US-RHBO Ph 3 completed A Study of the Early Activity of Ixekizumab (LY2439821) in Moderate-to-Severe Psoriasis
NCT02718898 IXORA-Q results posted 16010 I1F-MC-RHBQ, 2015-002628-14 Ph 3 completed A Study of Ixekizumab (LY2439821) in Participants With Moderate-to-Severe Genital Psoriasis
NCT02993471 results posted 16126 I1F-MC-RHBU Ph 1 completed A Study of Ixekizumab in Participants With Plaque Psoriasis
NCT01695239 SPIRIT-P1 results posted 13731 I1F-MC-RHAP Ph 3 completed A Study of Ixekizumab in Participants With Active Psoriatic Arthritis
NCT02543918 results posted 16202 I1F-MC-RHCA Ph 1 completed A Study of the Immune Response to Vaccines and Ixekizumab (LY2439821) in Healthy Participants
NCT01870284 SPIRIT A1 13650 I1F-MC-RHAO Ph 3 withdrawn Study of Ixekizumab in Participants With Active Ankylosing Spondylitis (AS)
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Active Pipeline

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Ongoing clinical trials by development phase

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Key Completed Trials

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Completed studies with published results, ranked by significance

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

TALTZ FDA Label Details

Indications & Usage

FDA Label (PDF)

TALTZ is indicated for the treatment of Moderate-to-severe plaque psoriasis in patients 6 years of age and older; Active psoriatic arthritis in adults; Active ankylosing spondylitis in adults; Active non-radiographic axial spondyloarthritis with objective signs of inflammation in adults.

Pro Intelligence Preview

Deep insights for TALTZ

Revenue Insights

  • Q4-2025: $1.0B
  • Historical trend analysis

Patent Timeline

  • Cliff: 2027
  • Generic/biosimilar risk

Trial Analysis

  • 44 total trials
  • Stage: Stable

Competitive Landscape

  • 1 similar drugs
  • Same target/indication analysis
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Full approval history • All patents • Revenue trends • Competitor analysis

Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.

How We Calculate These Metrics

Trial Activity Stage

Measures the current development activity pattern based on trial phases, status, and trends. Important: This measures R&D activity, not commercial lifecycle.

Trial statuses: "Active" means recruiting or ongoing. "Completed" means reached planned endpoint. "Terminated" means stopped early—often due to safety, efficacy, or business reasons.

  • Growth: High proportion of early-phase trials (Phase 1/2), active development
  • Expansion: Significant Phase 3 activity, approaching or pursuing approvals
  • Mature: Substantial Phase 4 post-marketing studies
  • Stable: Mixed phase distribution, steady development
  • Declining: Low active trial ratio, reduced R&D investment