Rhinitis, Allergic, Perennial Clinical Trial
Official title:
A Phase IIb, Randomized, Placebo-Controlled, Dose-Finding Clinical Trial to Study the Safety and Efficacy of MK-8237 Using an Environmental Exposure Chamber in Subjects With House Dust Induced Allergic Rhinitis/Rhinoconjunctivitis
Verified date | September 2017 |
Source | ALK-Abelló A/S |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The purpose of this study is to evaluate the dose-related effectiveness, the safety and the tolerability of MK-8237, compared to placebo, in the treatment of house dust mite (HDM)-induced allergic rhinitis/rhinoconjunctivitis in adults. The primary hypothesis is that administration of MK-8237, compared to placebo, results in dose-related improvement in the average total nasal symptom score (TNSS) determined during environmental exposure chamber (EEC) challenge.
Status | Completed |
Enrollment | 124 |
Est. completion date | August 2013 |
Est. primary completion date | August 2013 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - History of allergic rhinitis/rhinoconjunctivitis to house dust of 1 year duration or more (with or without asthma) - If female of childbearing potential, has a negative urine pregnancy test at screening and agrees to remain abstinent or use (or have their partner use) 2 acceptable methods of birth control within the projected duration of the study. Exclusion Criteria: - Sensitized and regularly exposed to animal dander and molds, (e.g. present in the home, job, etc.) - Sensitized and regularly exposed to seasonal allergens (i.e., birch or grass pollen) - Immunosuppressive treatment within 3 months prior to screening (except steroids for allergic and asthma symptoms) - History of chronic urticaria and/or angioedema within 2 years prior to screening - Previous immunotherapy treatment with any HDM allergen for more than 1 month within 3 years prior to screening - Ongoing treatment with any specific immunotherapy - History of anaphylaxis with cardiorespiratory symptoms with prior immunotherapy, due to an unknown cause or to an inhalant allergen - Unstable uncontrolled/partially controlled or severe asthma, or life-threatening asthma attack or an occurrence of any clinical deterioration of asthma that resulted in emergency treatment, hospitalization due to asthma, or treatment with systemic corticosteroids (but allowing short-acting beta agonists [SABA]) within 3 months prior to screening - Asthma requiring medium- or high-dose inhaled corticosteroid (ICS) within 12 months prior to screening - Chronic sinusitis within 2 years prior to screening - Nasal condition that could confound the efficacy or safety assessments (e.g., nasal polyps) - Pregnant, breastfeeding or planning to become pregnant during the study - Participation in a different investigational study at any site during the same time frame of this study - Direct association with the administration of the study or a family member of the study staff |
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
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ALK-Abelló A/S | Merck Sharp & Dohme Corp. |
Nolte H, Maloney J, Nelson HS, Bernstein DI, Lu S, Li Z, Kaur A, Zieglmayer P, Zieglmayer R, Lemell P, Horak F. Onset and dose-related efficacy of house dust mite sublingual immunotherapy tablets in an environmental exposure chamber. J Allergy Clin Immunol. 2015 Jun;135(6):1494-501.e6. doi: 10.1016/j.jaci.2014.12.1911. Epub 2015 Jan 27. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Average Total Nasal Symptom Score (TNSS) During Environmental Exposure Chamber (EEC) Challenge Session at Week 24 | The average total TNSS included the evaluation of 4 nasal symptoms: itchy nose, blocked nose, runny nose, and sneezing. The endpoint was based on participant diary entries over the last 4 hours of the EEC challenge session at Week 24. TNSS was the total of scores for the 4 nasal symptoms, each scored on a 4-point rating scale (0=no symptoms; 1=mild symptoms; 2=moderate symptoms; 3=severe symptoms). The total TNSS ranged from 0 to 12 points. The 24-week TNSS was analyzed using the analysis of covariance (ANCOVA) model with treatment and baseline TNSS as covariates and expressed as a least squares mean with 95% confidence interval. A decrease in TNSS for participants receiving either dose of MK-8237 compared to placebo indicated an improvement in symptoms. | Week 24 | |
Secondary | Average TNSS During EEC Challenge Session at Week 16 | The average total TNSS included the evaluation of 4 nasal symptoms: itchy nose, blocked nose, runny nose, and sneezing. The endpoint was based on participant diary entries over the last 4 hours of the EEC challenge session at Week 16. TNSS was the total of scores for the 4 nasal symptoms, each scored on a 4-point rating scale (0=no symptoms; 1=mild symptoms; 2=moderate symptoms; 3=severe symptoms). The total TNSS ranged from 0 to 12 points. The Week 16 TNSS was analyzed using the ANCOVA model with treatment and baseline TNSS as covariates and expressed as a least squares mean with 95% confidence interval. A decrease in TNSS for participants receiving either dose of MK-8237 compared to placebo indicated an improvement in symptoms. | Week 16 | |
Secondary | Average TNSS During EEC Challenge Session at Week 8 | The average total TNSS included the evaluation of 4 nasal symptoms: itchy nose, blocked nose, runny nose, and sneezing. The endpoint was based on participant diary entries over the last 4 hours of the EEC challenge session at Week 8. TNSS was the total of scores for the 4 nasal symptoms, each scored on a 4-point rating scale (0=no symptoms; 1=mild symptoms; 2=moderate symptoms; 3=severe symptoms). The total TNSS ranged from 0 to 12 points. The Week 8 TNSS was analyzed using the ANCOVA model with treatment and baseline TNSS as covariates and expressed as a least squares mean with 95% confidence interval. A decrease in TNSS for participants receiving either dose of MK-8237 compared to placebo indicated an improvement in symptoms. | Week 8 | |
Secondary | Average Total Symptom Score (TSS [TNSS + TOSS]) During EEC Challenge Session at Week 24 | The average total TSS included the evaluation of the 4 nasal symptoms of the TNSS (itchy nose, blocked nose, runny nose, and sneezing) plus the 2 ocular symptoms of the TOSS (gritty/feeling/red/itchy eyes and watery eyes). The endpoint was based on participant diary entries over the last 4 hours of the EEC challenge session at Week 24. TSS was the total of scores for the 4 nasal symptoms and 2 ocular symptoms, each scored on a 4-point rating scale (0=no symptoms; 1=mild symptoms; 2=moderate symptoms; 3=severe symptoms). The total TSS ranged from 0 to 18 points. The Week 24 TSS was analyzed using the ANCOVA model with treatment and baseline TSS as covariates and expressed as a least squares mean with 95% confidence interval. A decrease in TSS for participants receiving either dose of MK-8237 compared to placebo indicated an improvement in symptoms. | Week 24 | |
Secondary | Average TSS (TNSS + TOSS) During EEC Challenge Session at Week 16 | The average total TSS included the evaluation of the 4 nasal symptoms of the TNSS (itchy nose, blocked nose, runny nose, and sneezing) plus the 2 ocular symptoms of the TOSS (gritty/feeling/red/itchy eyes and watery eyes). The endpoint was based on participant diary entries over the last 4 hours of the EEC challenge session at Week 16. TSS was the total of scores for the 4 nasal symptoms and 2 ocular symptoms, each scored on a 4-point rating scale (0=no symptoms; 1=mild symptoms; 2=moderate symptoms; 3=severe symptoms). The total TSS ranged from 0 to 18 points. The Week 16 TSS was analyzed using the ANCOVA model with treatment and baseline TSS as covariates and expressed as a least squares mean with 95% confidence interval. A decrease in TSS for participants receiving either dose of MK-8237 compared to placebo indicated an improvement in symptoms. | Week 16 | |
Secondary | Average TSS (TNSS + TOSS) During EEC Challenge Session at Week 8 | The average total TSS included the evaluation of the 4 nasal symptoms of the TNSS (itchy nose, blocked nose, runny nose, and sneezing) plus the 2 ocular symptoms of the TOSS (gritty/feeling/red/itchy eyes and watery eyes). The endpoint was based on participant diary entries over the last 4 hours of the EEC challenge session at Week 8. TSS was the total of scores for the 4 nasal symptoms and 2 ocular symptoms, each scored on a 4-point rating scale (0=no symptoms; 1=mild symptoms; 2=moderate symptoms; 3=severe symptoms). The total TSS ranged from 0 to 18 points. The Week 8 TSS was analyzed using the ANCOVA model with treatment and baseline TSS as covariates and expressed as a least squares mean with 95% confidence interval. A decrease in TSS for participants receiving either dose of MK-8237 compared to placebo indicated an improvement in symptoms. | Week 8 | |
Secondary | Average Total Ocular Symptom Score (TOSS) During EEC Challenge Session at Week 24 | The average total TOSS included the evaluation of 2 ocular symptoms: gritty/feeling/red/itchy eyes and watery eyes. The endpoint was based on participant diary entries over the last 4 hours of the EEC challenge session at Week 24. TOSS was the total of scores for the 2 ocular symptoms, each scored on a 4-point rating scale (0=no symptoms; 1=mild symptoms; 2=moderate symptoms; 3=severe symptoms). The total TOSS ranged from 0 to 6 points. The Week 24 TOSS was analyzed using the ANCOVA model with treatment and baseline TOSS as covariates and expressed as a least squares mean with 95% confidence interval. A decrease in TOSS for participants receiving either dose of MK-8237 compared to placebo indicated an improvement in symptoms. | Week 24 | |
Secondary | Average TOSS During EEC Challenge Session at Week 16 | The average total TOSS included the evaluation of 2 ocular symptoms: gritty/feeling/red/itchy eyes and watery eyes. The endpoint was based on participant diary entries over the last 4 hours of the EEC challenge session at Week 16. TOSS was the total of scores for the 2 ocular symptoms, each scored on a 4-point rating scale (0=no symptoms; 1=mild symptoms; 2=moderate symptoms; 3=severe symptoms). The total TOSS ranged from 0 to 6 points. The Week 16 TOSS was analyzed using the ANCOVA model with treatment and baseline TOSS as covariates and expressed as a least squares mean with 95% confidence interval. A decrease in TOSS for participants receiving either dose of MK-8237 compared to placebo indicated an improvement in symptoms. | Week 16 | |
Secondary | Average TOSS During EEC Challenge Session at Week 8 | The average total TOSS included the evaluation of 2 ocular symptoms: gritty/feeling/red/itchy eyes and watery eyes. The endpoint was based on participant diary entries over the last 4 hours of the EEC challenge session at Week 8. TOSS was the total of scores for the 2 ocular symptoms, each scored on a 4-point rating scale (0=no symptoms; 1=mild symptoms; 2=moderate symptoms; 3=severe symptoms). The total TOSS ranged from 0 to 6 points. The Week 8 TOSS was analyzed using the ANCOVA model with treatment and baseline TOSS as covariates and expressed as a least squares mean with 95% confidence interval. A decrease in TOSS for participants receiving either dose of MK-8237 compared to placebo indicated an improvement in symptoms. | Week 8 | |
Secondary | HDM-specific Immunoglobulin E (IgE) Levels at Week 8 | Dermatophagoides pteronyssinus (D. pteronyssinus) and Dermatophagoides farinae (D. farinae) serum IgE levels were measured using the Immunocap® assay at Week 8. IgE levels were expressed in Log 10 scale kilo units/Liter (kU/L). Analysis was based on the analysis of variance parametric (ANOVA) model with treatment as the fixed effect and reported as mean IgE with a standard deviation. | Week 8 | |
Secondary | HDM-specific Immunoglobulin G4 (IgG4) Levels at Week 8 | D. pteronyssinus and D. farinae serum IgG4 levels were measured using the Immunocap® assay at Week 8. IgG4 levels were expressed in Log 10 scale milligrams/Liter (mg/L). Analysis was based on the ANOVA model with treatment as the fixed effect and reported as mean IgG4 with a standard deviation. | Week 8 | |
Secondary | Change From Baseline in HDM-specific IgE Levels at Week 8 | D. pteronyssinus and D. farinae serum IgE levels were measured using the Immunocap® assay at baseline and Week 8. IgE levels were expressed in Log 10 scale kU/L. Mean Week 8 IgE levels were compared to the mean IgE levels at baseline. Analysis was based on the ANOVA model with treatment as the fixed effect and reported as a least squares mean with 95% confidence interval. | Baseline and Week 8 | |
Secondary | Change From Baseline in HDM-specific IgG4 Levels at Week 8 | D. pteronyssinus and D. farinae serum IgG4 levels were measured using the Immunocap® assay at baseline and Week 8. IgG4 levels were expressed in Log 10 scale mg/L. Mean Week 8 IgG4 levels were compared to the mean IgG4 levels at baseline. Analysis was based on the ANOVA model with treatment as the fixed effect and reported as a least squares mean with 95% confidence interval. | Time Frame: Baseline and Week 8 | |
Secondary | Percentage of Participants Who Experienced At Least One Adverse Event (AE) | An AE was defined as any untoward medical occurrence in a participant administered a pharmaceutical product and which did not necessarily have to have a causal relationship with this treatment. An AE could therefore be any unfavorable and unintended sign, symptom, or disease temporally associated with the use of a medicinal product/protocol-specified procedure, whether or not considered related to the medicinal product/protocol-specified procedure. Any worsening of a preexisting condition temporally associated with the use of the product was also an AE. A serious adverse event (SAE) was an AE that resulted in death, was life threatening, resulted in persistent or significant disability/incapacity, resulted in or prolonged an existing inpatient hospitalization, was a congenital anomaly/birth defect, was a cancer, was associated with an overdose, was another important medical event. | From first dose to last dose of treatment plus 2 weeks of follow-up (Up to 26 weeks) | |
Secondary | Percentage of Participants Who Discontinued Study Drug Due to an AE | The percentage of participants who had study treatment stopped due to an AE. Discontinuations were reported for all randomized participants who received =1 dose of study treatment. | From first dose to last dose of treatment (Up to 24 weeks) |
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