Trial · NCT05531565

A 2-Part Study to Learn Whether Litifilimab (BIIB059) Injections Can Improve Symptoms of Adult Participants Who Have Active Cutaneous Lupus Erythematosus

NCT05531565, Phase 2, Phase 3, Active not recruiting, Biogen

3 sourcestrials-2026-11-12-0.5.0

Cite this record

ConductScience Library. A 2-Part Study to Learn Whether Litifilimab (BIIB059) Injections Can Improve Symptoms of Adult Participants Who Have Active Cutaneous Lupus Erythematosus. Trials, record NCT05531565. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT05531565

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title: A 2-Part Study to Learn Whether Litifilimab (BIIB059) Injections Can Improve Symptoms of Adult Participants Who Have Active Cutaneous Lupus Erythematosus
NCT number: NCT05531565
Status: Active not recruiting
Phases: Phase 2, Phase 3
Enrollment: 450 participants, estimated
Lead sponsor: Biogen
Conditions: Subacute Cutaneous Lupus Erythematosus, Chronic Cutaneous Lupus Erythematosus
Interventions: Litifilimab, Placebo
First posted: 2022-09-08
Last updated: 2026-10-23
Other registries' IDs: eudract:2020-000727-40

Source ClinicalTrials.gov

Registered outcomes57

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

List	Outcome	Time frame
Primary	Parts A: Percentage of Participants who Achieve a Cutaneous Lupus Activity of Physician's Global Assessment-Revised (CLA-IGA-R) Erythema Score of 0 or 1	Week 16
Primary	Part B: Percentage of Participants who Achieve Cutaneous Lupus Erythematosus Disease Area and Severity Index Activity Score (CLASI-70) Response, Defined as ≥ 70% Decrease in CLASI-A Score From Baseline	Baseline to Week 24
Secondary	Part A: Percentage of Participants With a CLASI-70 Response at Week 52 Among CLASI-70 Responders at Week 16 and Week 24, Respectively, who Were Randomly Assigned to Receive Litifilimab During the DBPC Treatment Period (TP)	Week 52
Secondary	Part A: Percentage of Participants With CLA-IGA-R Erythema Score of 0 or 1 at Week 52 Among CLA-IGA-R Erythema Responders at Week 16 and Week 24, Respectively, who Were Randomly Assigned to Receive Litifilimab During the DBPC TP	Week 52
Secondary	Part A: Percentage of Participants With CLA-IGA-R OMC Score of 0 or 1 and at Least 1 Level of Improvement From Baseline at Week 52 Among CLA-IGA-R OMC Responders at Weeks 16 &24, Respectively, who Were Assigned to Receive Litifilimab in DBPC TP	Week 52
Secondary	Part A: Percentage of Participants With CLA-IGA-R OMC Score of 0 at Week 52 Among CLA-IGA-R OMC Responders With CLA-IGA-R OMC Score of 0 at Week 16 and Week 24, Respectively, who Were Randomly Assigned to Litifilimab During DBPC TP	Week 52
Secondary	Part A: Percentage of Participants With CLA-IGA-R Follicular Activity Score of 0 at Week 52 Among CLA-IGA-R Follicular Activity Responders at Week 16 and Week 24, Respectively, who Were Randomly Assigned to Receive Litifilimab in DBPC TP	Week 52
Secondary	Part A: Percentage of Participants With a CLASI-70 Response at Week 52 Among CLASI-70 Nonresponders at Week 16 and Week 24, Respectively, who Were Randomly Assigned to Receive Placebo During the DBPC TP	Week 52
Secondary	Part A: Percentage of Participants With a CLA-IGA-R Erythema Score of 0 or 1 at Week 52 Among CLA-IGA-R Erythema Nonresponders at Week 16 and Week 24, Respectively, who Were Randomly Assigned to Receive Placebo During the DBPC TP	Week 52
Secondary	Part A: Percentage of Participants With CLA-IGA-R OMC Score of 0 or 1 and at Least 1 Level of Improvement From Baseline at Week 52 Among CLA-IGA-R OMC Nonresponders at Weeks 16 and 24, Respectively, who Were Assigned to Receive Placebo in DBPC TP	Week 52

1 to 10 of 57Source ClinicalTrials.gov

See all 57 registered outcomes

Outcomes0

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

None in this release.

Results by group0

Each measurement the trial posted, group by group, in the words and numbers it posted.

None in this release.

Participant flow0

How many started, completed or left each group, period by period.

None in this release.

Adverse events0

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

None in this release.

Adverse event totals0

The totals the trial posted for each group.

None in this release.

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov: 2026-11-12; ClinicalTrials.gov
Results, from AACT: 2026-03-23; AACT
NIH grant links: 2026-11-13; NIH RePORTER

Sources 3

ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
ClinicalTrials.govNo license stated
NIH RePORTER's clinical studies and project filesPublic domain

Each source's terms

ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
ClinicalTrials.govnone stated
NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT05531565

GET https://conductscience.org/api/trials/v1/NCT05531565/registered?page=2

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