Dermatitis, Atopic Clinical Trial
Official title:
Benralizumab Regulates Atopic Dermatitis Through Effects on Eosinophils, Basophils and Innate Lymphoid Type 2 Cells.
Verified date | October 2021 |
Source | McMaster University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Atopic Dermatitis (AD), also known as eczema, is a common skin disease characterized by itchy lesions. The prevalence of AD has increased over the past few decades, with 15-30% of children and 2-10%of adults being affected. The lesions of AD patients are very inflamed, with an increased number of inflammatory cells in the skin. There are not many medications available that are fully effective and can be used long-term for treatment of atopic dermatitis. Benralizumab is a monoclonal antibody used for treatment of a type of asthma called "eosinophilic asthma". Atopic dermatitis is also associated with elevated levels of eosinophils, and we would like to determine if benralizumab is effective in patients with atopic dermatitis. This is a randomized, double-blind, parallel group, placebo-controlled study will evaluate the effect of 3 doses of a fixed 30 mg dose of benralizumab administered subcutaneously (SC) every 4 weeks to patients with moderate-to-severe atopic dermatitis, on the severity of atopic dermatitis, and the cellular inflammation of skin lesions in these patients. Anti-inflammatory properties of benralizumab when a skin flare is induced in a controlled laboratory setting, in addition to the effects of benralizumab on skin that is already inflamed will be examined.It is hypothesized that benralizumab will attenuate eosinophilic inflammation in the skin.
Status | Completed |
Enrollment | 20 |
Est. completion date | September 28, 2021 |
Est. primary completion date | September 28, 2021 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 65 Years |
Eligibility | Inclusion Criteria: 1. Male and female patients 18 through 65 years of age. 2. Women of childbearing potential (WOCBP) must not be actively seeking pregnancy, and must use an effective form of birth control (confirmed by the Investigator). Effective forms of birth control include: true sexual abstinence, a vasectomized sexual partner, Implanon, female sterilization by tubal occlusion, any effective intrauterine device (IUD)/ levonorgestrel Intrauterine system (IUS), Depo-Provera™ injections, oral contraceptive, and Evra Patch™ or Nuvaring™. WOCBP must agree to use effective method of birth control, as defined above, from enrolment, throughout the study duration and within 16 weeks after last dose of IP. They must demonstrate a negative serum pregnancy test at screening and demonstrate a negative urine pregnancy test immediately before each dose of study drug or placebo. Women not of childbearing potential are defined as women who are either permanently sterilized (hysterectomy, bilateral oophorectomy, or bilateral salpingectomy), or who are postmenopausal. Women will be considered postmenopausal if they have been amenorrheic for 12 months prior to the planned date of randomization without an alternative medical cause. The following age-specific requirements apply: - Women <50 years old would be considered postmenopausal if they have been amenorrheic for 12 months or more following cessation of exogenous hormonal treatment and follicle stimulating hormone (FSH) levels in the postmenopausal range. - Women =50 years old would be considered postmenopausal if they have been amenorrheic for 12 months or more following cessation of all exogenous hormonal treatment. 3. All male patients who are sexually active must agree to use an acceptable method of contraception (condom with or without spermicide, vasectomy) from the first dose of investigational product (IP) until 16 weeks after their last dose. 4. General good health 5. Moderate to severe atopic dermatitis 6. Able to understand and give written informed consent and has signed a written informed consent form approved by the investigator's Research Ethics Board (REB) The following inclusion criteria must be met for entry into the dosing phase of the study: 1. Positive skin-prick test to common aeroallergens (including cat, dust mite, grass, pollen) 2. Positive late cutaneous response to intradermal allergen challenge Exclusion Criteria: 1. History of anaphylaxis to any biologic therapy or vaccine 2. History of clinically significant hypotensive episodes or symptoms of fainting, dizziness, or light headedness, as judged by the investigator 3. Any history or symptoms of cardiovascular disease, particularly coronary artery disease, arrhythmias, hypertension, or congestive heart failure 4. Any history or symptoms of significant neurologic disease, including transient ischemic attack (TIA), stroke, seizure disorder, or behavioral disturbances 5. Any history or symptoms of clinically significant autoimmune disease 6. Any history of clinically significant haematologic abnormality, including coagulopathy or any history of chronic treatment with anticoagulants (e.g. warfarin, etc) or antiplatelet agent (e.g, aspirin, etc) 7. Clinically significant abnormalities in laboratory test results at enrolment and during the screening period (including complete blood count, coagulation, chemistry panel and urinalysis) unless judged not significant by the investigator. 8. Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) level =2.5 times the upper limit of normal (ULN) confirmed during screening period 9. Being pregnant or lactating or have positive serum pregnancy test at enrolment or positive urine pregnancy test during the study 10. Concomitant disease or condition which could interfere with the conduct of the study, or for which the treatment might interfere with the conduct of the study, or which would, in the opinion of the investigator, pose an unacceptable risk to the patient in this study, including, but not limited to, cancer, alcoholism, drug dependency or abuse, or psychiatric disease 11. Severe concomitant illness(es) that, in the investigator's judgment, would adversely affect the patient's participation in the study 12. Presence of skin comorbidities that may interfere with study assessments 13. History of cancer: Patients who have had basal cell carcinoma, localized squamous cell carcinoma of the skin, or in situ carcinoma of the cervix are eligible provided that the subject is in remission and curative therapy was completed at least 12 months prior to the date informed consent. Patients who have had other malignancies are eligible provided that the subject is in remission and curative therapy was completed at least 5 years prior to the date of informed consent. 14. Patient who has a scheduled in-patient surgery or hospitalization during the study. 15. History of Guillain-Barré syndrome 16. A helminth parasitic infection diagnosed within 24 weeks prior to the date informed consent is obtained that has not been treated with, or has failed to respond to standard of care therapy 17. Positive hepatitis B surface antigen, or hepatitis C virus antibody serology, or a positive medical history for hepatitis B or C. Patients with a history of hepatitis B vaccination without history of hepatitis B are allowed to enrol 18. A history of known immunodeficiency disorder including a positive human immunodeficiency virus (HIV) test 19. Receipt of immunoglobulin or blood products within 30 days prior to the date informed consent is obtained 20. Receipt of any marketed (eg omalizumab) or investigational biologic within 4 months or 5 half-lives prior to randomization is obtained, whichever is longer 21. Treatment with an investigational drug within 8 weeks or within 5 half-lives (if known), whichever is longer, before the baseline visit 22. Any allergen immunotherapy within 4 months prior to or throughout the study. 23. Having used any of the following treatments within 4 weeks before the Day -2 baseline visit, or any condition that, in the opinion of the investigator, is likely to require such treatment(s) during study: 1. Immunosuppressive/immunomodulating drugs (eg, systemic corticosteroids, cyclosporine, mycophenolate-mofetil, interferon gamma (IFN-?), Janus kinase inhibitors, azathioprine, methotrexate, etc.) 2. Phototherapy for AD 24. Any cell-depleting agents including but not limited to rituximab: within 6 months before the baseline visit, or until lymphocyte count returns to normal, whichever is longer 25. Initiation of treatment of AD with prescription moisturizers or moisturizers containing additives such as ceramide, hyaluronic acid, urea, or filaggrin degradation products during the screening period (patients may continue using stable doses of such moisturizers if initiated before the screening visit) 26. Regular use (more than 2 visits per week) of a tanning booth/parlor within 4 weeks of the baseline visit 27. Active chronic or acute infection requiring treatment with systemic antibiotics, antivirals, antiparasitics, antiprotozoals, or antifungals within 2 weeks before the baseline visit, or superficial skin infections within 1 week before the baseline visit. Note: patients may be re-screened after infection resolves 28. Known or suspected history of immunosuppression, including history of invasive opportunistic infections (eg, histoplasmosis, listeriosis, coccidioidomycosis, pneumocystosis, aspergillosis) despite infection resolution: or unusually frequent, recurrent, or prolonged infections, per investigator judgment 29. Planned or anticipated major surgical procedure during the patient's participation in this study 30. Receipt of live attenuated vaccines 30 days prior to the date of randomization. Receipt of inactive/killed vaccinations (eg, inactive influenza) are allowed provided they are not administered within 1 week before/after any IP administration. 31. Patient is a member of the investigational team or his/her immediate family 32. Pregnant woman 33. Previously received benralizumab (MEDI-563) |
Country | Name | City | State |
---|---|---|---|
Canada | McMaster Cardio-Respiratory Research Lab | Hamilton | Ontario |
Lead Sponsor | Collaborator |
---|---|
McMaster University | AstraZeneca |
Canada,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Effect of benralizumab on the number of eosinophils, basophils, eosinophil progenitor cells and innate lymphoid type 2 cells, CD4+ T cells and hemopoietic cells in skin lesions | To evaluate the effect of benralizumab on the number of eosinophils, basophils, eosinophil progenitor cells and innate lymphoid type 2 cells, CD4+ T cells and hemopoietic cells in skin lesions compared to placebo. | Day 65 post-treatment | |
Other | Comparisons of local versus systemic drug-induced changes | To evaluate the effect of benralizumab on the number of eosinophils, basophils, eosinophil progenitor cells and innate lymphoid type 2 cells, CD4+ T cells and hemopoietic cells in blood compared to placebo. | Day 65 post-treatment | |
Other | Enumeration of the out-growth potential of the circulating eosinophil/basophil progenitor cell population | Methylcellulose cell cultures from samples of peripheral blood to enumerate the out-growth potential of the circulating eosinophil/basophil progenitor cell population | Day 65 post-treatment | |
Primary | Effect of Benralizumab on the number of allergen-induced eosinophils in the skin | The primary objective is to evaluate the effect of benralizumab on the allergen-induced number of eosinophils in the skin assessed by histological examination compared to placebo. Intradermal saline challenge will be used as a control. | Day 65, 24 hours post-intradermal allergen challenge | |
Secondary | Effect of Benralizumab on the number of allergen induced basophils in the skin | To evaluate the effect of Benralizumab on the allergen-induced number of basophils in the skin, as assessed by immuno-histochemical staining of a biopsy of the skin wheal compared to placebo. | Day 65, at 24 hours post-intradermal allergen challenge | |
Secondary | Effect of Benralizumab on the allergen-induced late phase cutaneous response | To evaluate the effect of Benralizumab on the allergen-induced late phase cutaneous response by measuring the skin wheal compared to placebo. | Day 65, at 24 hours post-intradermal allergen challenge | |
Secondary | Effect of Benralizumab on disease severity | To evaluate the effect of Benralizumab on disease severity by assessing skin lesions using the Eczema Area and Severity Index (EASI) score, compared to placebo. The EASI Score evaluates the area of involvement and severity of AD to provide a total score. Area of involvement includes head & neck, trunk, upper extremities and lower extremities (scores range from 0 (no eruption) to 6 (90-100% of respective body region affected by AD). Severity of AD focuses on erythema, infiltration/papulation, excoriations, and lichenification (scores range from 0 to 3; (none, mild, moderate, severe)). Total EASI scores are computed by summing severity of AD scores from each body location separately, multiplying by area of involvement for that specific body location, and multiplied by a region specific multiplier. The scores for the 4 body regions are then summed to compute a total score. Total scores range from 0 to 72. | Day 65, post-treatment |
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