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NCT05194540: INJECZTRA

Efficacy and Safety of Tralokinumab Administered by an Autoinjector in Adults and Adolescents With Moderate to Severe Atopic Dermatitis (INJECZTRA)

Completed Phase 3 Results posted Last updated 11 March 2025
What this trial tests

Phase 3 trial testing Tralokinumab in Atopic Dermatitis in 136 participants. Completed in 21 June 2023.

Timeline
13 January 2022
Primary endpoint
6 June 2023
21 June 2023

Quick facts

Lead sponsorLEO Pharma
PhasePhase 3
StatusCompleted
Study typeINTERVENTIONAL
Allocationna
Designsingle group
Maskingnone
Primary purposetreatment
Enrollment136
Start date13 January 2022
Primary completion6 June 2023
Estimated completion21 June 2023
Sites29 locations across United States

Drugs / interventions tested

Conditions studied

Sponsor

LEO Pharma — full company profile →

Who can join

12 and older, any sex, with Atopic Dermatitis. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Investigator's Global Assessment (IGA) Score of 0 (Clear) or 1 (Almost Clear) at Week 16 Primary · At Week 16

IGA is an instrument used in clinical trials to rate the severity of the participant's global AD and is based on a 5-point scale ranging from 0 (clear) to 4 (severe)

GroupValue95% CI
Tralokinumab Subcutaneous Dosing by an Autoinjector28.721.7 – 36.8
At Least 75% Reduction in Eczema Area and Severity Index (EASI75) at Week 16 Primary · At Week 16

Eczema Area and Severity Index (EASI) is a validated measure used in clinical practice and clinical trials to assess the severity and extent of AD. EASI is a composite index with scores ranging from 0 to 72, where higher values indicate a more severe or more extensive condition

GroupValue95% CI
Tralokinumab Subcutaneous Dosing by an Autoinjector43.435.3 – 51.8
Number of Treatment-emergent Adverse Events (AEs) From Baseline to Week 16 Secondary · From Week 0 to Week 16

An AE will be considered treatment emergent if it started after the first injection of trial drug

GroupValue95% CI
Tralokinumab Subcutaneous Dosing by an Autoinjector86
Presence of Treatment-emergent Anti-drug Antibodies (ADA) From Baseline to Week 16 Secondary · From Week 0 to Week 16

Serum samples for determination of presence or absence of ADA will be analysed using a validated bioanalytical method

GroupValue95% CI
Tralokinumab Subcutaneous Dosing by an Autoinjector0

Adverse events — posted to ClinicalTrials.gov

Time frame: Initial Treatment Period: Week 0 to week 16, Safety Follow- Up Period: Week 16 to Week 20.. Reporting threshold: 2%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Tralokinumab+TCS Initial Treatment Period Week 0 to Week 16
Serious: 0/136 (0%)
Deaths: 0/136
Safety Follow-Up Week 16 to Week 20
Serious: 0/131 (0%)
Deaths: 0/131
Other adverse events (6 terms — click to expand)

ReactionSystemTralokinumab+TCS Initial T…Safety Follow-Up Week 16 t…
Injection site reactionGeneral disorders
Dermatitis atopicSkin and subcutaneous tissue disorders
ConjunctivitisInfections and infestations
Injection site painGeneral disorders
COVID-19Infections and infestations
Dermatitis infectedInfections and infestations

Data from ClinicalTrials.gov NCT05194540 adverse events section.

Sponsor's own description

The purpose of this trial is to evaluate the efficacy and safety of tralokinumab administered as subcutaneous (SC) injection by an autoinjector in adults and adolescents (age 12 to 17 years) with moderate-to-severe atopic dermatitis (AD).

Publications & conference data

6 peer-reviewed publications reference this trial (live from Europe PMC):

  1. Alternative Routes of Administration for Therapeutic Antibodies-State of the Art.
    Pitiot A, Heuzé-Vourc'h N, Sécher T. · · 2022 · cited 45× · PMID 36134952 · DOI 10.3390/antib11030056
  2. Interplay of cytokines in the pathophysiology of atopic dermatitis: insights from Murin models and human.
    Yamamura Y, Nakashima C, Otsuka A. · · 2024 · cited 31× · PMID 38590314 · DOI 10.3389/fmed.2024.1342176
  3. IL-13 inhibition in the treatment of atopic dermatitis - new and emerging biologic agents.
    Teixeira C, Yilmaz O, Bernardo D, Torres T. · · 2024 · cited 7× · PMID 39558725 · DOI 10.1177/03000605241286832
  4. Modern Interventions for Pediatric Atopic Dermatitis: An Updated Pharmacologic Approach.
    Kondratuk K, Netravali IA, Castelo-Soccio L. · · 2023 · cited 5× · PMID 36534318 · DOI 10.1007/s13555-022-00868-x
  5. The Tralokinumab Pre-Filled Pen Improved Atopic Dermatitis Signs and Symptoms and Was Well Tolerated in Adults and Adolescents with Moderate-to-Severe Atopic Dermatitis: A 16-Week, Open-Label, Single-Arm Phase 3 Study (INJECZTRA).
    Soung J, Laquer V, Zirwas M, van Iperen P, et al · · 2025 · cited 1× · PMID 40681936 · DOI 10.1007/s13555-025-01490-3
  6. Selected Poster Abstracts from 16th Annual Dermatology Pearls Conference
    · 2024

Verify or expand the search:

Other trials of Tralokinumab

Trials testing the same drug.

Other recruiting trials for Atopic Dermatitis

Currently open trials in the same condition.

Other LEO Pharma trials

Trials by the same sponsor.

Verify against primary sources

Data sources for this page

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT05194540.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing