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Lunsekimig

Phase 3

Chronic Obstructive Pulmonary Disease | Small molecule | Respiratory |Sanofi|Last Updated: Sep 4, 2026

Success Probability

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Trial Design

RandomizedDouble-BlindCONTROLLEDDMC
Total Trials3
Total Enrollment3,392

FDA Designations

No designations recorded

Clinical trial landscape

Lunsekimig · 9 trials · 4 indications

Phase 3 3Phase 2 6
NCT07793409A Study to Evaluate the Long-term Safety and Efficacy of Lunsekimig in Adult Participants With Chronic Obstructive Pulmonary Disease (COPD)Chronic Obstructive Pulmonary Disease
NOT YET_RECRUITING1,508 Analytics
NCT07190222Efficacy, Safety, and Tolerability Study of Lunsekimig Compared With Placebo in Adult Participants With Inadequately Controlled Chronic Obstructive Pulmonary Disease (COPD), Characterized by an Eosinophilic PhenotypeChronic Obstructive Pulmonary Disease
RECRUITING942 Analytics
NCT07190209Efficacy, Safety, and Tolerability Study of Lunsekimig Compared With Placebo in Adult Participants With Inadequately Controlled Chronic Obstructive Pulmonary Disease (COPD) Characterized by an Eosinophilic PhenotypeChronic Obstructive Pulmonary Disease
RECRUITING942 Analytics
PHASE3NOT YET_RECRUITING
A Study to Evaluate the Long-term Safety and Efficacy of Lunsekimig in Adult Participants With Chronic Obstructive Pulmonary Disease (COPD)
Chronic Obstructive Pulmonary DiseaseUnlock trial analytics
PHASE3RECRUITING
Efficacy, Safety, and Tolerability Study of Lunsekimig Compared With Placebo in Adult Participants With Inadequately Controlled Chronic Obstructive Pulmonary Disease (COPD), Characterized by an Eosinophilic Phenotype
Chronic Obstructive Pulmonary DiseaseUnlock trial analytics
PHASE3RECRUITING
Efficacy, Safety, and Tolerability Study of Lunsekimig Compared With Placebo in Adult Participants With Inadequately Controlled Chronic Obstructive Pulmonary Disease (COPD) Characterized by an Eosinophilic Phenotype
Chronic Obstructive Pulmonary DiseaseUnlock trial analytics

Study Endpoints

Primary Endpoints

Exposure-adjusted incidence rate of treatment-emergent adverse events (TEAE), including adverse events of special interest (AESI ) and serious adverse events (SAE)
Study baseline to Week 100

Exposure-adjusted incidence rate is defined as the number of patients with at least one specific treatment emergent adverse event in question per 100 patients taking the treatment for 1 year.

ICS withdrawal sub-study: Change from Week 12 (end of run-in period) to Week 36 in pre-Bronchodilator Forced Expiratory Volume in 1 second (pre-BD FEV1)
From Week 12 to Week 36
Annualized rate of moderate-to-severe chronic obstructive pulmonary disease (COPD) exacerbations
From Baseline up to 48 weeks

The annualized moderate or severe COPD exacerbation rate up to 48 weeks treatment period compared to placebo

Incidence of participants with treatment-emergent adverse events (TEAEs) including adverse events of special interest (AESI), and serious adverse events (SAEs)
From baseline to Week 148
Percent change in Eczema Area and Severity Index (EASI) score from baseline to Week 24
From Baseline throughout the study, up to Week 24

Eczema Area and Severity index is an Investigator-assessed validated tool used to measure the extent (area) and severity of atopic dermatitis (AD). Total score ranges from 0 to 72 with a higher score indicating increased extent and severity of AD.

Annualized rate of asthma exacerbation events
From baseline up to 52 weeks

Asthma exacerbation event defined as: worsening of asthma requiring the use of systemic corticosteroids for ≥3 days; or hospitalization or emergency room visit due to asthma and requiring the use of systemic corticosteroids or death due to asthma

Exposure-adjusted incidence rate of treatment-emergent adverse event (TEAE), including adverse events of special interest (AESI), and serious adverse event (SAE)
From study baseline to week 148

Exposure-adjusted incidence rate is defined as the number of patients with at least one specific treatment emergent adverse event in question per 100 patients taking the treatment for 1 year.

Change in bilateral endoscopic nasal polyp score (NPS).
From baseline to Week 24

This score (NPS) is the sum of the right and left nostril scores, as evaluated by means of nasal endoscopy. NP is graded based on polyp size where: 0- no polyps and 4- large polyps causing complete obstruction of the inferior nasal cavity.

Secondary Endpoints

Annualized rate of moderate-to-severe COPD exacerbations
Study baseline to Week 96
Change from parent study baseline in post-Bronchodilator Forced Expiratory Volume in 1 second (post-BD FEV1)
Parent study baseline to Weeks 48 and 96
Change from parent study baseline in pre-BD FEV1
Parent study baseline to Weeks 48 and 96
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Lunsekimig core studyEXPERIMENTALSubcutaneous (SC) administration of lunsekimig for up to 96 weeks, with the same inhaled controller medication as in the parent study (LABA + LAMA + ICS or LABA + LAMA)
Lunsekimig sub-study with ICS maintenanceEXPERIMENTALICS withdrawal sub-study: SC administration of lunsekimig for up to 96 weeks, with the inhaled controller medication LABA + LAMA + ICS in the run-in period followed by randomization to maintain the same inhaled regimen
Lunsekimig sub-study with ICS withdrawalEXPERIMENTALICS withdrawal sub-study: SC administration of lunsekimig for up to 96 weeks, with the inhaled controller medication LABA + LAMA + ICS in the run-in period followed by randomization to withdraw ICS
Lunsekimig dose regimen AEXPERIMENTALParticipants will receive lunsekimig dose regimen A.
Lunsekimig dose regimen BEXPERIMENTALParticipants will receive lunsekimig dose regimen B.
PlaceboPLACEBO_COMPARATORParticipants will receive lunsekimig-matching placebo.
LunsekimigEXPERIMENTALParticipant will receive lunsekimig subcutaneous (SC) every 4 weeks and intranasal mometasone furoate nasal spray (MFNS) daily for 144 weeks
Lunsekimig arm AEXPERIMENTALParticipants will receive subcutaneous injection of lunsekimig dosing regimen A.
Placebo arm BPLACEBO_COMPARATORParticipants will receive subcutaneous injection of matching placebo.
Lunsekimig arm CEXPERIMENTALParticipants will receive subcutaneous injection of lunsekimig dosing regimen C.
Placebo arm DPLACEBO_COMPARATORParticipants will receive subcutaneous injection of matching placebo.
Lunsekimig arm EEXPERIMENTALParticipants will receive subcutaneous injection of lunsekimig dosing regimen E.
Placebo arm FPLACEBO_COMPARATORParticipants will receive subcutaneous injection of matching placebo.
Arm 1PLACEBO_COMPARATORParticipant will receive placebo subcutaneous (SC) every 4 weeks and intranasal mometasone furoate nasal spray (MFNS) for 24 weeks.
Arm 2EXPERIMENTALParticipant will receive lunsekimig subcutaneous (SC) every 4 weeks and intranasal mometasone furoate nasal spray (MFNS) for 24 weeks.
Lunsekimig Dose1 interval 1EXPERIMENTALParticipants will receive Dose 1 of lunsekimig (subcutaneous injection) according to established dosing interval 1
Lunsekimig Dose 1 interval 2EXPERIMENTALParticipants will receive Dose 1 of lunsekimig (subcutaneous injection) according to established dosing interval 2
Lunsekimig Dose 2 interval 1EXPERIMENTALParticipants will receive Dose 2 of lunsekimig (subcutaneous injection) according to established dosing interval 1
Lunsekimig Dose 2 interval 2EXPERIMENTALParticipants will receive Dose 2 of lunsekimig (subcutaneous injection) according to established dosing interval 2

Interventions

NameTypeDescription
LunsekimigDRUG* Pharmaceutical form: Solution for injection in prefilled syringe * Route of administration: Subcutaneous injection
PlaceboDRUGPharmaceutical form: solution for injection. Route of administration: Subcutaneous injection
Mometasone furoate nasal spray (MFNS)DRUG* Pharmaceutical form: Solution for administration via spray pump * Route of administration: intranasal spray
Short-Acting Beta Agonists (SABA)DRUGPharmaceutical form: Varies and depends on pharmaceutical presentation; Route of administration: Oral Inhalation
Fluticasone/SalmeterolDRUGPharmaceutical form: Varies and depends on pharmaceutical presentation; Route of administration:Oral Inhalation
Budesonide/FormoterolDRUGPharmaceutical form: Varies and depends on pharmaceutical presentation; Route of administration: Oral Inhalation
Budesonide/AlbuterolDRUGPharmaceutical form: Aerosol for inhalation; Route of administration: Oral Inhalation
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Eligibility Criteria

Age Range40 Years to 80 Years
SexALL
Healthy VolunteersNo

Inclusion Criteria: * Participants who completed the treatment period of EFC18243 or EFC18244 studies, including EOI visit * Contraception for male and female participants during the study intervention period and during 8 weeks following the last administration of study intervention. And: * Fema...

Countries:United StatesArgentinaAustraliaBrazilCanadaChileChinaMalaysiaNew ZealandSingaporeSouth AfricaSouth KoreaTaiwanUnited KingdomGeorgiaItalyJapanSaudi ArabiaTurkey (Türkiye)BelgiumBulgariaPolandCzechiaDenmarkFranceGermanyHungaryIsraelRomaniaSpainSwedenIndiaMexico
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Recent Changes (Last 90 Days)

LOWSep 4, 2026NCT07793409primaryCompletionDate: changed
LOWSep 2, 2026NCT07190209lastUpdatePostDate: changed
LOWSep 2, 2026NCT07190209lastUpdatePostDate: changed
LOWSep 2, 2026NCT07190209lastUpdatePostDate: changed
LOWAug 28, 2026NCT07793409NEW_TRIAL: changed
LOWAug 28, 2026NCT07793409NEW_TRIAL: changed
MEDIUMAug 14, 2026NCT06609239lastUpdatePostDate: changed
MEDIUMAug 14, 2026NCT06609239lastUpdatePostDate: changed
MEDIUMAug 14, 2026NCT06609239lastUpdatePostDate: changed
MEDIUMJul 2, 2026NCT06914908Enrollment: 64 → 71
HIGHJul 2, 2026NCT06676319Status: RECRUITING → ACTIVE_NOT_RECRUITING
MEDIUMJul 2, 2026NCT06914908Enrollment: 64 → 71
HIGHJul 2, 2026NCT06676319Status: RECRUITING → ACTIVE_NOT_RECRUITING
MEDIUMJul 2, 2026NCT06914908Enrollment: 64 → 71
HIGHJul 2, 2026NCT06676319Status: RECRUITING → ACTIVE_NOT_RECRUITING
HIGHJul 2, 2026NCT06676319Status: RECRUITING → ACTIVE_NOT_RECRUITING
LOWJun 22, 2026NCT06609239lastUpdatePostDate: changed
LOWJun 22, 2026NCT06609239lastUpdatePostDate: changed
LOWJun 16, 2026NCT06676319lastUpdatePostDate: changed
LOWJun 16, 2026NCT07190222lastUpdatePostDate: changed

Frequently asked questions about Lunsekimig

What is Lunsekimig used for?

Lunsekimig is an investigational small molecule being developed for chronic rhinosinusitis with nasal polyps, chronic obstructive pulmonary disease, dermatitis atopic, and asthma. It is currently in Phase 2 clinical development for these respiratory and inflammatory conditions.

Who makes Lunsekimig?

Lunsekimig is being developed by Sanofi, a biopharmaceutical company traded on the stock exchange under the ticker SNY.

What phase is Lunsekimig in?

Lunsekimig is in Phase 2 clinical development. It is an investigational drug and has not been approved by regulatory authorities. Clinical trials are ongoing or recently completed to evaluate its safety and efficacy.

What clinical trials is Lunsekimig in?

Lunsekimig has been studied in several Phase 2 trials. NCT06102005 evaluated dose ranging in moderate-to-severe asthma, NCT06454240 was a proof-of-concept study in chronic rhinosinusitis with nasal polyps, NCT06676319 is studying high-risk asthma, and NCT06914908 is a long-term safety extension in nasal polyps.

Is Lunsekimig the same as SAR443765?

Yes, Lunsekimig is also known as SAR443765. One of its clinical trials, NCT06676319, explicitly refers to Lunsekimig (SAR443765) in the study title, confirming that these names refer to the same drug.