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LY3650150

Phase 3

Chronic Rhinosinusitis With Nasal Polyps (CRSwNP) | Small molecule | ENT |Eli Lilly and Company|Last Updated: Sep 8, 2026

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment510

FDA Designations

No designations recorded

Clinical trial landscape

LY3650150 · 2 trials · 2 indications

Phase 3 2
NCT06338995A Study of Lebrikizumab (LY3650150) in Participants With Chronic Rhinosinusitis and Nasal Polyps Treated With Intranasal Corticosteroids (CONTRAST-NP)Chronic Rhinosinusitis With Nasal Polyps (CRSwNP)
RECRUITING510 Analytics
NCT06339008A Study of Lebrikizumab in Adult Participants With Perennial Allergic Rhinitis (PREPARED-1)Perennial Allergic Rhinitis (PAR)
ACTIVE NOT_RECRUITING450 Analytics
PHASE3RECRUITING
A Study of Lebrikizumab (LY3650150) in Participants With Chronic Rhinosinusitis and Nasal Polyps Treated With Intranasal Corticosteroids (CONTRAST-NP)
Chronic Rhinosinusitis With Nasal Polyps (CRSwNP)Unlock trial analytics
PHASE3ACTIVE NOT_RECRUITING
A Study of Lebrikizumab in Adult Participants With Perennial Allergic Rhinitis (PREPARED-1)
Perennial Allergic Rhinitis (PAR)Unlock trial analytics

Study Endpoints

Primary Endpoints

Mean Change From Baseline (CFBL) in Participant Reported Nasal Congestion Score (NCS) Severity
Baseline, Week 24

NCS severity is rated by study participants using a 4-point scale (range from 0 to 3), where 0 corresponds to no symptoms and 3 corresponds to severe symptoms. Study participants are asked to record the severity of nasal congestion for the previous 24 hours. This assessment will be collected in the participant eDiary.

Mean CFBL in Endoscopic Nasal Polyp Score (NPS)
Baseline, Week 24

The endoscopic NPS is assessed by a centralized, blinded, independent review of nasal endoscopy video recordings. The total score is the sum of the right and left nasal cavity scores. For each nasal cavity, endoscopic NPS is graded based on polyp size from 0 to 4, where 0 = no polyps and 4 = large polyps.

Mean Change From Baseline (CFBL) in Total Nasal Symptom Score (TNSS) at Week 16
Baseline, Week 16

Total nasal symptom score was a composite of 4 symptoms (rhinorrhea, nasal congestion, nasal itching and sneezing), each symptom was scored on a scale of 0 = none, 1 = mild, 2 = moderate, 3 = severe. The total score ranged from 0 to 12. The higher the score was, the more severe the symptoms were.

Secondary Endpoints

Mean change in Opacification of Sinuses Measured by the Lund Mackay score (LMK)
Baseline, Week 24
Mean change in Forced Expiratory Volume in 1 Second (FEV1)
Baseline, Week 24
Mean CFBL in Severity of Loss of Smell
Baseline, Week 24
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Lebrikizumab every 2 weeks (Q2W)/ every 4 weeks (Q4W)EXPERIMENTALLebrikizumab will be given as Subcutaneous (SC) injection. Participants will receive background therapy with intranasal corticosteroids (INCS). Note: Enrollment of adolescents will be open-label, with all adolescents assigned to the lebrikizumab Q2W/Q4W treatment arm.
Lebrikizumab Q2W/every 8 weeks (Q8W)EXPERIMENTALLebrikizumab will be given as SC injection. Participants will receive background therapy with INCS.
Placebo Q2W/Q4WPLACEBO_COMPARATORPlacebo will be given as SC injection. Participants will receive background therapy with INCS.

Interventions

NameTypeDescription
LY3650150DRUGAdministered SC.
PlaceboDRUGAdministered SC.
Standard therapy for INCSDRUGAdministered as intranasal spray.
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Eligibility Criteria

Age Range12 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites202

Inclusion Criteria: * Physician-diagnosed chronic rhinosinusitis (CRS) with bilateral nasal polyps (NP). * Prior treatment with systemic corticosteroids (SCS) within the last 2 years (or a medical contraindication or intolerance to SCS), prior surgery for NP, or both. * Endoscopic bilateral NPS sco...

Countries:United StatesArgentinaBelgiumBulgariaCanadaChinaDenmarkFinlandGermanyHungaryItalyJapanMexicoPolandPortugalRomaniaSouth KoreaSpainTaiwanUnited Kingdom
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Recent Changes (Last 90 Days)

LOWSep 8, 2026NCT06338995lastUpdatePostDate: changed
LOWSep 8, 2026NCT06338995lastUpdatePostDate: changed
LOWAug 24, 2026NCT06338995lastUpdatePostDate: changed
LOWAug 24, 2026NCT06339008lastUpdatePostDate: changed
LOWAug 24, 2026NCT06338995lastUpdatePostDate: changed
LOWAug 24, 2026NCT06339008lastUpdatePostDate: changed
LOWAug 6, 2026NCT06338995lastUpdatePostDate: changed
LOWAug 6, 2026NCT06338995lastUpdatePostDate: changed
MEDIUMJul 22, 2026NCT06339008Status: RECRUITING → ACTIVE_NOT_RECRUITING
MEDIUMJul 22, 2026NCT06339008Status: RECRUITING → ACTIVE_NOT_RECRUITING
LOWJul 20, 2026NCT06338995lastUpdatePostDate: changed
LOWJul 20, 2026NCT06338995lastUpdatePostDate: changed
LOWJul 7, 2026NCT06338995lastUpdatePostDate: changed
LOWJul 7, 2026NCT06338995lastUpdatePostDate: changed
LOWJun 18, 2026NCT06339008lastUpdatePostDate: changed
LOWJun 18, 2026NCT06338995lastUpdatePostDate: changed
LOWJun 18, 2026NCT06339008lastUpdatePostDate: changed
LOWJun 18, 2026NCT06338995lastUpdatePostDate: changed
LOWJun 18, 2026NCT06339008lastUpdatePostDate: changed
LOWJun 18, 2026NCT06338995lastUpdatePostDate: changed

Frequently asked questions about LY3650150

What is LY3650150 used for?

LY3650150, also known as lebrikizumab, is an investigational small molecule being studied for chronic rhinosinusitis with nasal polyps (CRSwNP) and perennial allergic rhinitis (PAR). It is being evaluated in Phase 3 clinical trials for these ENT conditions.

What does LY3650150 target?

LY3650150 is a small molecule, but its specific molecular target has not been disclosed in the available information. It is being studied for its effects on inflammatory conditions of the upper airways, including chronic rhinosinusitis with nasal polyps and perennial allergic rhinitis.

Who makes LY3650150?

LY3650150 is being developed by Eli Lilly and Company, a pharmaceutical company traded on the NYSE under the ticker symbol LLY. The company is conducting Phase 3 clinical trials for this investigational drug.

What phase is LY3650150 in?

LY3650150 is in Phase 3 clinical development. It is an investigational drug and has not been approved by regulatory authorities. Two Phase 3 trials are ongoing or recently completed for chronic rhinosinusitis with nasal polyps and perennial allergic rhinitis.

What clinical trials is LY3650150 in?

LY3650150 is being studied in two Phase 3 trials. NCT06338995, called CONTRAST-NP, is recruiting 510 participants with chronic rhinosinusitis with nasal polyps. NCT06339008, called PREPARED-1, is active but not recruiting 450 adults with perennial allergic rhinitis. Both are randomized, double-blind, placebo-controlled studies.

Is LY3650150 the same as lebrikizumab?

Yes, LY3650150 is also known as lebrikizumab. The clinical trials for this drug use the name lebrikizumab in their titles, and LY3650150 is the code name used by the developer, Eli Lilly and Company.