Drugs / Ixekizumab
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Ixekizumab

also known as IXE · LY2439821 · Taltz

Monoclonal antibody targets IL17A via inhibition

Developed for
psoriasis · psoriatic arthritis · spondyloarthropathy · rheumatoid arthritis · ankylosing spondylitis · anterior uveitis · atopic eczema · bullous pemphigoid
+16 more · COVID-19 · enthesitis-related juvenile idiopathic arthritis · generalized pustular psoriasis · guttate psoriasis · idiopathic subglottic stenosis · intermediate uveitis · lichen planopilaris · lichen planus · major depressive disorder · panuveitis · pemphigoid · pityriasis rubra pilaris · posterior uveitis · psoriasis-related juvenile idiopathic arthritis · pyoderma gangrenosum · type 1 diabetes mellitus
Investigated by
Eli Lilly and Company · Belgium Health Care Knowledge Centre · Second Affiliated Hospital, School of Medicine, Zhejiang University · University Hospital, Ghent · AbbVie · Bristol-Myers Squibb
+32 more · Celltrion · Chang Gung Memorial Hospital · China Medical University Hospital · Chung Shan Medical University · Conselho Nacional de Desenvolvimento Científico e Tecnológico · Far Eastern Memorial Hospital · Göteborg University · Icahn School of Medicine at Mount Sinai · Illumination Health · Jeffrey Curtis · Lilly PharmaceuticalCompany · Massachusetts Eye Research and Surgery Institution · Mayo Clinic · NYU Langone Health · Novartis · Ohio State University · Oregon Health and Science University · Pfizer · Radboud University Medical Center · Science Valley Research Institute · Singapore General Hospital · Taichung Veterans General Hospital · Translational Immunology Institute · University of Alabama at Birmingham · University of California, San Francisco · University of Erlangen-Nürnberg Medical School · University of Nebraska · University of New Mexico · University of Pennsylvania · University of Sao Paulo · Yale University · ZonMw: The Netherlands Organisation for Health Research and Development

Regulatory milestones approvals, filings & regulatory actions · 10 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Filed psoriasis 1 milestone
Filed US (FDA) — psoriasis 2015-04-23

“The company submitted ixekizumab to the FDA for the treatment of moderate-to-severe plaque psoriasis.” lilly.com ↗

Filed psoriatic arthritis 1 milestone
Filed EU (EMA) Taltz psoriatic arthritis 2017-11-08

“Lilly also submitted Taltz to the European Medicines Agency (EMA) for the treatment for adult patients with active PsA.” lilly.com ↗

“Lilly also submitted Taltz to the European Medicines Agency (EMA) for the treatment for adult patients with active PsA.” lilly.com ↗

“Lilly also submitted Taltz to the European Medicines Agency (EMA) for the treatment of adult patients with active PsA.” lilly.com ↗

Approved Indication not stated 3 milestones
Label expansions (6) US (FDA) TALTZ — 2017-12-01 – 2022-05-04 fda.gov ↗
Approved EU (EMA) Taltz — 2016-04-25 europa.eu ↗
Approved US (FDA) TALTZ — 2016-03-22 fda.gov ↗

Trials 58

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT05030415 Aug 2021 → Mar 2024 lichen planopilaris, lichen planus University of New Mexico Completed No outcome recorded
Phase 19 trials · 2 met primary
Phase 1 NCT07200986 Sep 2025 → Mar 2026 overdue — Celltrion Active not recruiting No outcome recorded
Phase 1 NCT04259346 Feb 2020 → Feb 2021 — Eli Lilly and Company Completed Met primary
Phase 1 NCT03848403 Jan → Jul 2019 — Eli Lilly and Company Terminated Met primary
Phase 1 NCT03848416 Jan → Jun 2019 — Eli Lilly and Company Completed No outcome recorded
Phase 1 NCT03073213 Apr 2017 → May 2019 psoriasis Eli Lilly and Company Completed No outcome recorded
Phase 1 NCT02993471 Dec 2016 → Nov 2017 psoriasis Eli Lilly and Company Completed No outcome recorded
Phase 1 NCT02543918 Sep → Nov 2015 — Eli Lilly and Company Completed No outcome recorded
Phase 1 NCT01236118 Dec 2010 → Jan 2013 rheumatoid arthritis Eli Lilly and Company Completed No outcome recorded
Phase 1 NCT01253265 May 2010 → Dec 2011 rheumatoid arthritis Eli Lilly and Company Completed No outcome recorded
Phase 29 trials · 2 met primary
Phase 2 NCT07138898 Dec 2025 → Jan 2028 expected rheumatic disorder NYU Langone Health Recruiting No outcome recorded
Phase 2 NCT05309616 Feb 2025 → May 2026 idiopathic subglottic stenosis Yale University Completed No outcome recorded
Phase 2 NCT04589325 Nov 2022 → Feb 2027 expected type 1 diabetes mellitus Göteborg University Active not recruiting No outcome recorded
Phase 2 NCT04979910 Aug 2021 → Apr 2024 major depressive disorder Icahn School of Medicine at Mount Sinai Completed No outcome recorded
Phase 2 NCT03485976 May 2018 → Oct 2019 pityriasis rubra pilaris Oregon Health and Science University Completed No outcome recorded
Phase 2 NCT03099538 Aug 2017 → Jun 2019 bullous pemphigoid, pemphigoid Mayo Clinic Completed No outcome recorded
Phase 2 NCT03137160 May 2017 → Aug 2018 pyoderma gangrenosum Ohio State University Completed No outcome recorded
Phase 2 NCT01107457 Apr 2010 → Jan 2011 psoriasis Eli Lilly and Company Completed Met primary
Phase 2 NCT00966875 Aug 2009 → Mar 2011 rheumatoid arthritis Eli Lilly and Company Completed Met primary
Phase 2/31 trial
Phase 2/3 NCT06374979 May → Jun 2025 guttate psoriasis Second Affiliated Hospital, School of Medicine, Zhejiang University Unknown No outcome recorded
Phase 326 trials · 19 met primary
Phase 3 NCT06588283 Sep 2024 → Jan 2026 obesity disorder, psoriasis Eli Lilly and Company Completed Met primary
Phase 3 NCT06588296 Sep 2024 → Nov 2025 obesity disorder, psoriatic arthritis Eli Lilly and Company Completed Met primary
Phase 3 NCT04527380 Apr 2021 → Feb 2024 overdue enthesitis-related juvenile idiopathic arthritis, psoriasis-related juvenile idiopathic arthritis Eli Lilly and Company Active not recruiting No outcome recorded
Phase 3 NCT04724629 Jan → Mar 2021 COVID-19 University of Sao Paulo Completed No outcome recorded
Phase 3 NCT04610476 Oct 2020 → Oct 2024 psoriatic arthritis, substance withdrawal syndrome University of Erlangen-Nürnberg Medical School Unknown No outcome recorded
Phase 3 NCT04285229 Apr 2020 → Mar 2021 spondyloarthropathy Eli Lilly and Company Completed Met primary
Phase 3 NCT03364309 Apr 2018 → Jun 2020 psoriasis Eli Lilly and Company Completed Met primary
Phase 3 NCT03129100 May 2017 → May 2020 spondyloarthropathy Eli Lilly and Company Completed Met primary
Phase 3 NCT03073200 Mar 2017 → Feb 2019 psoriasis Eli Lilly and Company Completed Met primary
Phase 3 NCT02757352 Aug 2016 → Mar 2019 spondyloarthropathy Eli Lilly and Company Completed Met primary
Phase 411 trials · 2 met primary
Phase 4 NCT07352566 Aug 2026 → Jun 2030 expected atopic eczema, psoriasis University of California, San Francisco Not yet recruiting No outcome recorded
Phase 4 NCT07149792 Jul 2025 → Dec 2026 expected psoriasis, psoriatic arthritis Taichung Veterans General Hospital Recruiting No outcome recorded
Phase 4 NCT06398106 Dec 2024 → Mar 2028 expected psoriasis University Hospital, Ghent Recruiting No outcome recorded
Phase 4 NCT05855967 Jun 2023 → Aug 2024 psoriasis, psoriatic arthritis Eli Lilly and Company Completed No outcome recorded
Phase 4 NCT06085079 Jun 2022 → Dec 2024 anterior uveitis, intermediate uveitis, panuveitis, posterior uveitis Massachusetts Eye Research and Surgery Institution Unknown No outcome recorded
Phase 4 NCT05080218 Nov 2021 → Apr 2024 psoriatic arthritis, spondyloarthropathy Jeffrey Curtis Completed No outcome recorded
Phase 4 NCT04537689 Dec 2020 → Dec 2027 expected psoriasis Singapore General Hospital Recruiting No outcome recorded
Phase 4 NCT04340076 Aug 2020 → Jan 2025 psoriasis Radboud University Medical Center Completed No outcome recorded
Phase 4 NCT03942042 Jul 2019 → Jul 2020 generalized pustular psoriasis Eli Lilly and Company Completed No outcome recorded
Phase 4 NCT03573323 Nov 2018 → Jul 2019 psoriasis Eli Lilly and Company Completed Met primary
Phase not applicable1 trial
— NCT05503875 Jan 2023 → Dec 2027 expected psoriasis Second Affiliated Hospital, School of Medicine, Zhejiang University Recruiting No outcome recorded
Comparator or background therapy4 trials
Phase 3 NCT06945107 Comparator May 2025 → Jun 2026 overdue psoriasis Innovent Biopharmaceutical Technology (Hangzhou) Co., LTD. Active not recruiting No outcome recorded
— NCT07443956 Comparator Mar 2026 → Feb 2028 expected obesity disorder, psoriatic arthritis NHS Greater Glasgow and Clyde Recruiting No outcome recorded
— NCT06811558 Comparator Feb → Dec 2025 overdue — Second Affiliated Hospital, School of Medicine, Zhejiang University Not yet recruiting No outcome recorded
— NCT05042635 Background Oct 2021 → Sep 2024 psoriasis Shanghai Yueyang Integrated Medicine Hospital Unknown No outcome recorded

News releases announcing trial results or a regulatory action · 45

DateIssuerRelease
2026-10-09 Eli Lilly and Company Results New Phase 3b data on Lilly's Taltz (ixekizumab) and Zepbound (tirzepatide) advance understanding of the interconnected immune and metabolic biology in adults with psoriasis and obesity lilly.com ↗
These data showed that when Taltz and Zepbound were used together, changes were observed in more psoriasis disease-associated and metabolic biomarkers compared to Taltz monotherapy.
2026-08-31 Eli Lilly and Company Results New Phase 3b data on Lilly's Taltz (ixekizumab) and Zepbound (tirzepatide) used together showed improved and durable efficacy at one year in adults with psoriatic disease and obesity lilly.com ↗
New data show these improvements were maintained or further improved through Week 52, with no new safety concerns identified.
2026-03-28 Eli Lilly and Company Results Phase 3b data presented at AAD Annual Meeting show Lilly's Taltz (ixekizumab) plus Zepbound (tirzepatide) delivered superior efficacy for adults with psoriatic arthritis and obesity lilly.com ↗
At the primary endpoint of 36 weeks, treatment with concomitant Taltz and Zepbound met the primary and all key secondary endpoints for statistically significant superiority to Taltz monotherapy.
2026-02-18 Eli Lilly and Company Results Lilly's Taltz (ixekizumab) and Zepbound (tirzepatide) used together delivered superior efficacy in first-of-its-kind Phase 3b trial for adults with psoriasis and obesity or overweight lilly.com ↗
At 36 weeks, treatment with Taltz and Zepbound met the primary and all key secondary endpoints, delivering superior skin clearance and weight loss versus Taltz monotherapy.
2026-01-08 Eli Lilly and Company Results Lilly's Taltz (ixekizumab) and Zepbound (tirzepatide) used together delivered superior efficacy in first-of-its-kind Phase 3b trial for adults with active psoriatic arthritis and obesity or overweight lilly.com ↗
At 36 weeks, treatment with concomitant Taltz and Zepbound met the primary and all key secondary endpoints for superiority to Taltz monotherapy.
2021-06-01 Eli Lilly and Company Results Taltz® Showed Consistent, Long-Term Improvement in Key Signs and Symptoms of Axial Spondyloarthritis Through Two Years in Phase 3 Study lilly.com ↗
In COAST-Y, Taltz showed consistent and sustained long-term improvements in signs and symptoms, functionality and quality of life in patients with r- and nr-axSpA.
2021-04-23 Eli Lilly and Company Results Taltz® Delivers More Cumulative Days with Completely Clear Skin for Adults with Psoriasis Compared to Seven Other Biologics in Novel Network Meta-Analysis lilly.com ↗
Taltz offered patients with psoriasis the greatest number of cumulative days of completely clear skin compared to adalimumab, brodalumab, etanercept, guselkumab, risankizumab, secukinumab and ustekinumab.
2020-10-29 Eli Lilly and Company Results New Data at EADV 2020 Confirm Taltz® (ixekizumab) Demonstrates Sustained Long-Term Efficacy in Patients with Psoriasis and Psoriatic Arthritis lilly.com ↗
With Taltz, 83%, 73% and 89% of patients reported complete clearance in scalp, nail and palmoplantar psoriasis, respectively.
2020-06-12 Eli Lilly and Company Results Lilly Highlights the Evolution of Its Dermatology Portfolio at Annual American Academy of Dermatology Meeting (AAD) lilly.com ↗
Ixekizumab demonstrated longer medication persistence than other biologics in the treatment of psoriasis patients: Results from IBM MarketScan® database
2020-06-03 Eli Lilly and Company Results EULAR 2020: Lilly's Taltz® (ixekizumab) Continues to Show Robust and Consistent Efficacy in Psoriatic Arthritis lilly.com ↗
2020-06-01 Eli Lilly and Company Regulatory Lilly's Taltz® (ixekizumab) is the First IL-17A Antagonist to Receive U.S. FDA Approval for the Treatment of Non-Radiographic Axial Spondyloarthritis (nr-axSpA) lilly.com ↗
Eli Lilly and Company (NYSE: LLY) announced today the U.S. Food and Drug Administration (FDA) has approved a supplemental Biologics License Application (sBLA) for Taltz® (ixekizumab) injection 80 mg/mL for the treatment of active non-radiographic axial spondyloarthritis (nr-axSpA) in patients with objective signs of inflammation.
2020-03-30 Eli Lilly and Company Regulatory Lilly's Taltz® (ixekizumab) Receives U.S. FDA Approval for the Treatment of Pediatric Patients with Moderate to Severe Plaque Psoriasis lilly.com ↗
These results and the subsequent FDA approval make a strong case for Taltz as an effective treatment option for doctors to consider for pediatric patients with moderate to severe plaque psoriasis.

All press releases naming this drug 56 releases

DateIssuerRelease

Evidence & citations 8 cited values

Every value below carries the sentence it was read from. 71 sources stand behind the page.

FieldValueCited text
Known as Ixekizumab “Ixekizumab (Taltz)” NCT07149792 ↗
57

NCT03942042 ↗

NCT04979910 ↗

NCT06588283 ↗

NCT04537689 ↗

NCT01777191 ↗

NCT04589325 ↗

NCT03848416 ↗

NCT01107457 ↗

NCT03073200 ↗

NCT07200986 ↗

Show 47 more sources

Known as IXE “Ixekizumab (IXE), a high-affinity monoclonal antibody that selectively targets interleukin-17A, is approved for the treatment of patients with PsA and patients with...” PMID 37400681 ↗ Jul 2023
6

“This study aimed to evaluate the outcomes of continuous versus interrupted ixekizumab (IXE) treatment and retreatment with IXE after disease worsening in Chinese patients.” PMID 39535685 ↗ Nov 2024

“Ixekizumab (IXE) is an interleukin (IL)-17A antagonist approved for the treatment of adults with moderate-to-severe psoriasis.” PMID 29116597 ↗ Dec 2017

“Ixekizumab (IXE) and ustekinumab (UST) are biologics with established efficacy in nail psoriasis.” PMID 32415575 ↗ May 2020

“Ixekizumab (IXE), an interleukin-17A inhibitor, has shown efficacy in patients with r-axSpA.” PMID 39509838 ↗ Oct 2024

“Ixekizumab (IXE), a selective interleukin (IL)-17A antagonist” PMID 38814433 ↗ May 2024

“ixekizumab (IXE), an interleukin-17A antagonist” PMID 38332436 ↗ Feb 2024

Known as LY2439821 “A Study of Ixekizumab (LY2439821) in Participants Aged ≥18 Years With Moderate-to-Severe Plaque or Active Psoriatic Arthritis in India” NCT05855967 ↗
3

NCT01253265 ↗

NCT00966875 ↗

NCT01236118 ↗

Known as Taltz “using a loading dose of 160 mg of subcutaneous ixekizumab (Taltz), followed by 80 mg of subcutaneous ixekizumab Q2 weeks for 24-weeks.” NCT06085079 ↗
2

“Ixekizumab (Taltz)” NCT07149792 ↗

NCT05309616 ↗

Action Inhibit “We evaluated the safety and efficacy of ixekizumab (LY2439821), a humanized anti-interleukin-17 monoclonal antibody, for psoriasis treatment.” PMID 22455413 ↗ Mar 2012
Modality Monoclonal antibody “Ixekizumab is a monoclonal antibody that targets IL-17A, a key cytokine in psoriasis pathogenesis.” PMID 25693783 ↗ Feb 2015
Route Subcutaneous “Patients were randomized to receive placebo, 10, 25, 75 or 150 mg of ixekizumab injected subcutaneously at weeks 0, 2, 4, 8, 12 and 16.” PMID 25693783 ↗ Feb 2015
Target IL17A “Ixekizumab is a monoclonal antibody that targets IL-17A, a key cytokine in psoriasis pathogenesis.” PMID 25693783 ↗ Feb 2015