{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Litifilimab", "query": { "intervention": "Litifilimab" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 8, "total_pages": 1, "next_page_url": null, "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-04T10:22:35.083Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT06741657", "title": "A Study to Find Out How Litifilimab is Processed in the Body in Healthy Participants When Given Under the Skin in 3 Different Ways", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Healthy Volunteer" ], "interventions": [ { "name": "Litifilimab", "type": "DRUG" }, { "name": "AI", "type": "DEVICE" }, { "name": "OBI", "type": "DEVICE" }, { "name": "PFS", "type": "DEVICE" } ], "intervention_types": [ "DRUG", "DEVICE" ], "sponsor": "Biogen", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "55 Years", "sex": "ALL", "summary": "18 Years to 55 Years" }, "enrollment_count": 404, "start_date": "2025-01-02", "completion_date": "2026-03-10", "has_results": false, "last_update_posted_date": "2026-05-26", "last_synced_at": "2026-09-04T10:22:35.083Z", "location_count": 2, "location_summary": "Las Vegas, Nevada • Austin, Texas", "locations": [ { "city": "Las Vegas", "state": "Nevada" }, { "city": "Austin", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT06741657" }, { "nct_id": "NCT04895241", "title": "A Study to Learn About the Safety of Litifilimab (BIIB059) Injections and Whether They Can Improve Symptoms of Adult Participants Who Have Systemic Lupus Erythematosus", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Lupus Erythematosus, Systemic" ], "interventions": [ { "name": "Litifilimab", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Biogen", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 548, "start_date": "2021-05-25", "completion_date": "2027-03-16", "has_results": false, "last_update_posted_date": "2026-02-10", "last_synced_at": "2026-09-04T10:22:35.083Z", "location_count": 53, "location_summary": "Homewood, Alabama • Beverly Hills, California • Los Angeles, California + 46 more", "locations": [ { "city": "Homewood", "state": "Alabama" }, { "city": "Beverly Hills", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Mission Hills", "state": "California" }, { "city": "San Diego", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04895241" }, { "nct_id": "NCT06044337", "title": "A Long-Term Extension Study to Learn More About the Safety of Litifilimab (BIIB059) Injections and Whether They Can Improve Symptoms of Adult Participants Who Have Active Cutaneous Lupus Erythematosus", "overall_status": "ENROLLING_BY_INVITATION", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Subacute Cutaneous Lupus Erythematosus", "Chronic Cutaneous Lupus Erythematosus" ], "interventions": [ { "name": "BIIB059 (litifilimab)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Biogen", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 306, "start_date": "2023-10-03", "completion_date": "2029-12-11", "has_results": false, "last_update_posted_date": "2026-08-04", "last_synced_at": "2026-09-04T10:22:35.083Z", "location_count": 13, "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 10 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Los Angeles", "state": "California" }, { "city": "Upland", "state": "California" }, { "city": "Ann Arbor", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT06044337" }, { "nct_id": "NCT05531565", "title": "A 2-Part Study to Learn Whether Litifilimab (BIIB059) Injections Can Improve Symptoms of Adult Participants Who Have Active Cutaneous Lupus Erythematosus", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2", "PHASE3" ], "conditions": [ "Subacute Cutaneous Lupus Erythematosus", "Chronic Cutaneous Lupus Erythematosus" ], "interventions": [ { "name": "Litifilimab", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Biogen", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 450, "start_date": "2022-09-13", "completion_date": "2027-12-14", "has_results": false, "last_update_posted_date": "2026-08-28", "last_synced_at": "2026-09-04T10:22:35.083Z", "location_count": 62, "location_summary": "Anniston, Alabama • Birmingham, Alabama • Phoenix, Arizona + 52 more", "locations": [ { "city": "Anniston", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "La Jolla", "state": "California" }, { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05531565" }, { "nct_id": "NCT05352919", "title": "An Extension Study to Learn More About the Long-Term Safety of Litifilimab (BIIB059) Injections and Whether They Can Improve Symptoms of Adult Participants Who Have Systemic Lupus Erythematosus", "overall_status": "ENROLLING_BY_INVITATION", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Systemic Lupus Erythematosus (SLE)" ], "interventions": [ { "name": "Litifilimab", "type": "DRUG" }, { "name": "Litifilimab-matching placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Biogen", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 864, "start_date": "2022-06-10", "completion_date": "2030-03-29", "has_results": false, "last_update_posted_date": "2026-08-28", "last_synced_at": "2026-09-04T10:22:35.083Z", "location_count": 37, "location_summary": "Phoenix, Arizona • Beverly Hills, California • Huntington Beach, California + 33 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Beverly Hills", "state": "California" }, { "city": "Huntington Beach", "state": "California" }, { "city": "Mission Hills", "state": "California" }, { "city": "Upland", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05352919" }, { "nct_id": "NCT02847598", "title": "Study to Evaluate BIIB059 (Litifilimab) in Cutaneous Lupus Erythematosus (CLE) With or Without Systemic Lupus Erythematosus (SLE)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Systemic Lupus Erythematosus", "Active Cutaneous Lupus Erythematosus" ], "interventions": [ { "name": "BIIB059 (litifilimab)", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Biogen", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 264, "start_date": "2016-10-20", "completion_date": "2019-11-18", "has_results": true, "last_update_posted_date": "2023-11-07", "last_synced_at": "2026-09-04T10:22:35.083Z", "location_count": 53, "location_summary": "Anniston, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 44 more", "locations": [ { "city": "Anniston", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "El Cajon", "state": "California" }, { "city": "Fountain Valley", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02847598" }, { "nct_id": "NCT02106897", "title": "Study Evaluating the Safety, Tolerability, and Pharmacokinetics of Single Doses and Multiple Doses of BIIB059 (Litifilimab) in Healthy Volunteers and Participants With Systemic Lupus Erythematosus", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Systemic Lupus Erythematosus", "Healthy Volunteers" ], "interventions": [ { "name": "BIIB059 (litifilimab)", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Biogen", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 109, "start_date": "2014-04-30", "completion_date": "2016-05-24", "has_results": false, "last_update_posted_date": "2023-01-31", "last_synced_at": "2026-09-04T10:22:35.083Z", "location_count": 5, "location_summary": "Anniston, Alabama • Birmingham, Alabama • Orlando, Florida + 2 more", "locations": [ { "city": "Anniston", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Orlando", "state": "Florida" }, { "city": "Great Neck", "state": "New York" }, { "city": "Duncansville", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT02106897" }, { "nct_id": "NCT04961567", "title": "A Study to Learn About the Safety of Litifilimab (BIIB059) Injections and Whether They Can Improve Symptoms of Adult Participants Who Have Systemic Lupus Erythematosus", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Lupus Erythematosus, Systemic" ], "interventions": [ { "name": "Litifilimab", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Biogen", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 562, "start_date": "2021-07-16", "completion_date": "2027-03-16", "has_results": false, "last_update_posted_date": "2026-01-29", "last_synced_at": "2026-09-04T10:22:35.083Z", "location_count": 44, "location_summary": "Birmingham, Alabama • Glendale, Arizona • Huntington Beach, California + 38 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Glendale", "state": "Arizona" }, { "city": "Huntington Beach", "state": "California" }, { "city": "Los Alamitos", "state": "California" }, { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04961567" } ] }