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Study identifier: NCT06850805 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

Efficacy and Safety of 186 mcg of OPN-375 Nasal Spray Twice a Day (BID) in Adolescents With Chronic Rhinosinusitis Without Nasal Polyps

Condition: Chronic Rhinosinusitis Without Nasal Polyps  ·  Sponsor: Optinose US Inc.

PhasePhase 3
Planned participants84
Who can joinAll sexes, 12 Years to 17 Years
Healthy volunteersNo

About this study

This is a 12-Week randomized, double-blind, placebo-controlled, parallel-group, multicenter study evaluating the efficacy and safety of intranasal administration of 186 µg of OPN-375 twice a day (BID) in adolescent subjects with chronic rhinosinusitis without nasal polyps. The total planned number of subjects is approximately 84 adolescents (12-17 years of age) who will be randomly assigned to receive 1 of 2 study treatments using a 1:1 ratio (OPN-375 186 µg:placebo). The study includes a PK sub-study, in which up 14 subjects will be enrolled to obtain 10 completers.

This description comes directly from the study's public registry record.

Talk to the study team

Alissa Sirbu  ·  484-751-4926  ·  alissa.sirbu@paratekpharma.com

Amy Manley  ·  amy.manley@paratekpharma.com

Always discuss trial participation with your own doctor first.

Locations (21)

San Tan Allergy & AsthmaGilbert, Arizona, United StatesWithdrawn
Children's Hospital of Orange CountyOrange, California, United StatesRecruiting
DaVinci Research, LLCSacramento, California, United StatesRecruiting
Breathe Clear InstituteTorrance, California, United StatesRecruiting
Children's Hospital ColoradoAurora, Colorado, United StatesRecruiting
Colorado ENT & AllergyColorado Springs, Colorado, United StatesRecruiting
Children's Healthcare of AtlantaAtlanta, Georgia, United StatesNot Yet Recruiting
Southern Illinois University School of MedicineSpringfield, Illinois, United StatesRecruiting
Kentuckiana ENTLouisville, Kentucky, United StatesRecruiting
Centers for Advanced ENT CareTowson, Maryland, United StatesRecruiting
University of Missouri Medical CenterColumbia, Missouri, United StatesNot Yet Recruiting
University of Rochester Medical CenterRochester, New York, United StatesRecruiting

+ 9 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT06850805