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A Multicentre, Randomised, Double-Blind, Parallel-Group, Placebo- Controlled Phase 3 Efficacy and Safety Study of Benralizumab in Patients with Eosinophilic Chronic Rhinosinusitis with Nasal Polyps (ORCHID)

A Multicentre, Randomised, Double-Blind, Parallel-Group, Placebo-Controlled Phase 3 Efficacy and Safety Study of Benralizumab in Patients with Eosinophilic Chronic Rhinosinusitis with Nasal Polyps (ORCHID)

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
TCTR
Registry ID
TCTR20190820003
Enrollment
148
Registered
2019-08-20
Start date
2019-11-28
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

1. Patients with severe NP 2. Age: must be 18 to 75 years Patients with Eosinophilic Chronic Rhinosinusitis with Nasal Polyps

Interventions

Benralizumab 30 mg SC every 4 weeks for the first 3 doses (Weeks 0&#44
4 and 8) and every 8 weeks thereafter (Weeks 16&#44
24&#44
32&#44
40 and 48). A total of 8 doses will be administered to patients who complete the treatment period per protocol,Matching placebo SC every 4 weeks for the first 3 doses (Weeks 0&#44
40 and 48). A total of 8 doses will be administered to patients who complete the treatment period per protocol
Experimental Drug,Placebo Comparator Drug
Benralizumab 30 mg ,Matching placebo

Sponsors

AstraZeneca
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. Capable of giving signed informed consent 2. Subject must be 18 to 75 years of age 3. Patients with bilateral sinonasal polyps that, despite treatment with standard of care including a history of treatment with SCS (oral, parenteral) or prior surgery for NP have severity consistent with a need for surgery 4. CT Lund Mackay score for ethmoid ≥ maxillary as determined by the study Imaging Core lab 5. Blood eosinophil count > 5% or >2% and ≤ 5% as determined by central lab 6. Patients who are on INCS or leukotriene receptor antagonists (LTRAs), need to be at stable dose for at least 30 days prior to V1 7. Willingness to maintain all standard of care treatment for NP stable for the duration of the study 8. SNOT-22 total score ≥ 20 at enrolment (V1) 9. At least 8 days of evaluable daily diary data in the 14-day period prior to randomisation (baseline bi-weekly mean score collected from study Day -13 to study Day 0). 10. At randomisation, a bi-weekly mean NBS ≥ 1.5 11. SNOT-22 total score ≥ 20 at randomisation (V3) 12. For patients that are on INCS or LTRAs, at least 70% compliance with INCS or LTRAs during the run-in period based on daily diary 13. Patients with a minimum weight of 35 kg 14. Negative serum pregnancy test result at V1 and a negative urine pregnancy test at V2 and randomisation for female patients of childbearing potential 15. Women of childbearing potential (WOCBP) must use an effective form of birth control 16. Women not of childbearing potential are defined as women who are either permanently sterilized (hysterectomy, bilateral oophorectomy, or bilateral salpingectomy), or who are postmenopausal 17. Male subjects who are sexually active must be surgically sterile at least one year prior to Visit 1 or must use an adequate method of contraception

Exclusion criteria

Exclusion criteria: 1. Patients who have undergone any nasal and/or sinus surgery within 3 months prior to V1 2. Patients with conditions or concomitant disease that makes them non evaluable for the co-primary efficacy endpoint 3. Clinically important comorbidities 4. Any disorder, including but not limited to: cardiovascular, gastrointestinal, hepatic, renal, neurological, musculoskeletal, infectious, endocrine, metabolic, autoimmune, haematological, psychiatric, or major physical impairment that is not stable 5. Patients experiencing an asthma exacerbation requiring systemic (oral and/or parenteral) corticosteroids treatment or hospitalisation (>24hrs) for treatment of asthma within 4 weeks prior to V1 ุ6. History of anaphylaxis to any biologic therapy or vaccine 7. Known history of allergy or reaction to any component of the IP formulation 8. History of Guillain-Barré syndrome 9. A helminth parasitic infection diagnosed within 24 weeks prior to V1 and has not been treated with, or has failed to respond to standard of care therapy 10. Current malignancy, or history of malignancy 11. Any clinically significant abnormal findings in physical examination, vital signs, haematology, clinical chemistry, during screening/run-in period 12. Any clinically significant cardiac disease or any electrocardiogram (ECG) abnormality 13. Chronic stable hepatitis B and C 14. History of known immunodeficiency disorder, including a positive human immunodeficiency virus (HIV) test 15. Infection requiring systemic antibiotics (Ab) or systemic Ab for the treatment of NP within 14 days prior to V1 16. Use of immunosuppressive medication 17. Receipt of any marketed or investigational biologic products 18. Previous receipt of benralizumab. 19. Receipt of immunoglobulin or blood products within 30 days prior to V1. 20. Receipt of live attenuated vaccines 30 days prior to the date of randomisation. 21. Receipt of any investigational drug within 30 days or 5 half-lives whichever is longer prior to randomisation. 22. Receipt of systemic corticosteroid within 4 weeks prior to V1, or a scheduled systemic corticosteroid treatment during the study period. 23. Receipt of herbal remedies or traditional Chinese medicines within 30 days prior to V1 24. Concurrent enrolment in another clinical drug interventional trial 25. Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) level ≥ 3 times the upper limit of normal (ULN). 26. Involvement in the planning and/or conduct of the study (applies to both AstraZeneca staff and/or staff at the study site). 27. Judgment by the investigator that the subject should not participate in the study if the patient is unlikely to comply with study procedures, restrictions and requirements 28. Previous randomisation in the present study. 29. Planned major surgical procedures or scheduled NP surgery at the time of the study enrolment and randomisation 30. Initiated or is being maintained on an aspirin desensitization regimen for the management of AERD at the time of study enrolment or during the run-in period. 31. History of alcohol or drug abuse within 12 months prior to V1, based on Investigator’s assessment 32. For women only - currently pregnant (or intend to become pregnant), breastfeeding or lactating

Design outcomes

Primary

MeasureTime frame
To evaluate the effect of benralizumab on nasal polyp burden and patient-reported nasal blockage (NB At Week 0 (Day 0) to receive either placebo or benralizumab 30 mg SC every 4 weeks for the first 3 d Change from baseline in endoscopic total nasal polyp score (NPS)

Secondary

MeasureTime frame
Sinus opacification by CT scan The first up to 74 patients that complete the 56-week treatment will have a 24-week follow-up (FU) p Change from baseline in Lund Mackay Score (LMS)

Countries

Thailand

Contacts

Public ContactPongsakorn Tantilipikorn

Siriraj Hospital

ptantili@yahoo.com024198040

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026