Allergy Clinical Trial
Official title:
A Double-Blind, Randomized, Placebo-Controlled, Parallel-Group Study Evaluating the Efficacy and Safety of Sublingual Immunotherapy With SCH 697243 (Phleum Pratense) in Children 5 to <18 Years of Age With a History of Grass Pollen Induced Rhinoconjunctivitis With or Without Asthma
Verified date | October 2015 |
Source | Merck Sharp & Dohme Corp. |
Contact | n/a |
Is FDA regulated | No |
Health authority | United States: Food and Drug Administration |
Study type | Interventional |
The purpose of the study is to investigate the efficacy and safety of a grass sublingual tablet in children and adolescents with a history of grass-pollen induced rhinoconjunctivitis with or without asthma.
Status | Completed |
Enrollment | 345 |
Est. completion date | September 2009 |
Est. primary completion date | September 2009 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 5 Years to 17 Years |
Eligibility |
Inclusion Criteria: - Participant must be 5 to <18 years of age, of either sex, and of any race. - Participant must have a clinical history of significant allergic rhinoconjunctivitis to grass (with or without asthma) diagnosed by a physician and have received treatment for their disease during the previous GPS. - Participant must have a positive skin prick test response (average wheal diameter >=5 mm larger than the saline control after 15 to 20 minutes) to Phleum pratense at the Screening Visit. - Participant must have positive specific IgE against Phleum pratense (>= IgE Class 2) at the Screening Visit. - Participant must have an FEV1 >=70% of predicted value at the Screening Visit. - A participant's safety laboratory tests and vital signs conducted at the Screening Visit must be within normal limits or clinically acceptable to the investigator/sponsor. - A participant (and/or parent/guardian for subjects under the age of legal consent or who otherwise are unable to provide independent consent) must be willing to give written informed consent/assent and be able to adhere to dose and visit schedules. - Female participants of childbearing potential must be using a medically acceptable and adequate form of birth control. These include: - hormonal contraceptives as prescribed by a physician (oral, hormonal vaginal ring, hormonal implant or depot injectable); - medically prescribed intra-uterine device; - medically prescribed topically-applied transdermal contraceptive patch; - double-barrier method (eg, condom in combination with a spermicide); vasectomy and tubal ligation should each be considered as single barrier. - Female participants of childbearing potential should be counseled in the appropriate use of birth control while in the study. Female participants who are not currently sexually active must agree and consent to use one of the above-mentioned methods if they become sexually active while participating in the study. - Female participants of childbearing potential must have a negative urine pregnancy test at the Screening Visit in order to be considered eligible for enrollment. Exclusion Criteria: - Participant with a clinical history of symptomatic seasonal allergic rhinitis and/or asthma, having received regular medications due to another allergen during or potentially overlapping the GPS. - Participant with a clinical history of significant symptomatic perennial allergic rhinitis and/or asthma having received regular medication due to an allergen to which the participant is regularly exposed. - Participant with sufficient pre-seasonal data in the observational phase will not be eligible to continue in the treatment phase if the participant: 1) does not experience an increase in rhinoconjunctivitis symptom score of equal to or greater than 4 above the pre-seasonal average symptom score for at least 2 days, 2) does not use allergy rescue medication for at least 2 days, during the observational phase Year 1 2008 GPS. - Participant has received an immunosuppressive treatment within 3 months prior to the Screening Visit (except steroids for allergic and asthma symptoms). - Participant with a clinical history of severe asthma. - Participant with history of anaphylaxis with cardiorespiratory symptoms. - Participant with history of self-injectable epinephrine use. - Participant with a history of chronic urticaria and angioedema. - Participant with clinical history of chronic sinusitis during the 2 years prior to the Screening Visit. - Participant with current severe atopic dermatitis. - Female participants who are breast-feeding, pregnant, or intending to become pregnant. - Participant who has had previous treatment by immunotherapy with grass pollen allergen or any other allergen within the 5 years prior to the Screening Visit. - Participant with a known history of allergy, hypersensitivity or intolerance to the ingredients of the IMP (except for Phleum pratense), rescue medications, or self-injectable epinephrine. - Participant with any clinically significant condition or situation, other than the condition being studied that, in the opinion of the investigator, would interfere with the study evaluations or optimal participation in the study. Specific examples include but are not limited to hypertension being treated with beta blockers, coronary artery disease, arrhythmia, stroke, ocular conditions requiring topical beta blockers, any condition requiring the use of beta blockers. - Participant who has used any investigational drugs within 30 days of the Screening Visit. - Participant who is participating in any other clinical study. - Participant who is a family member of the investigational study staff conducting this study. - Participant who is unable to meet medication washout requirements as listed in the protocol. - Participant who is unlikely to be able to complete the trial, for any reason, or likely to travel for extended periods of time during the GPS, which in the opinion of the investigator will compromise the data. - Participant with a clinically significant abnormal vital sign or laboratory value that would preclude participation in the study. - A participant participating in this study may not participate in this same study at another investigational site. - A participant must not be randomized into this study more than once. - Participant who is unable to or will not comply with the use of self-injectable epinephrine. - Participants who may be at greater risk of developing adverse reactions after epinephrine administration. |
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment
Country | Name | City | State |
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n/a |
Lead Sponsor | Collaborator |
---|---|
Merck Sharp & Dohme Corp. |
Blaiss M, Maloney J, Nolte H, Gawchik S, Yao R, Skoner DP. Efficacy and safety of timothy grass allergy immunotherapy tablets in North American children and adolescents. J Allergy Clin Immunol. 2011 Jan;127(1):64-71, 71.e1-4. doi: 10.1016/j.jaci.2010.11.0 — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Participant Total Combined Symptom (TCS) Score Over the Entire Grass Pollen Season (GPS) | The TCS is the sum of the rhinoconjunctivitis daily symptom score (DSS) and rhinoconjunctivitis daily medication score (DMS) averaged over the entire GPS. The TCS ranged from 0 (no symptoms and no rescue medication use) to 54 (most severe symptoms and maximum use of rescue medication), with increasing score indicating a higher level of symptom severity. The DSS is composed of 6 rhinoconjunctivitis symptoms with scores from 0 (best) to 18 (worst), with increasing score indicating increased severity. The DMS is composed of a sum of the scores associated with rescue medication use per day. The range for the DMS was 0 (no rescue medication use) to 36 (maximum use of rescue medication), with a lower score indicating less use of rescue medication. | From the Start of the GPS to the End of the GPS | No |
Secondary | Participant Average Rhinoconjunctivitis Daily Symptom Scores (DSS) Over the Entire GPS | The DSS is composed of six rhinoconjunctivitis symptoms which were recorded daily including runny nose, blocked nose, sneezing, itchy nose, gritty feeling/red/itchy, and watery eyes, and the symptoms were measured on a scale of 0 (no symptom) to 3 (severe symptoms). A higher score indicated a higher level of symptoms and the total daily score could range from 0 (best) to 18 (worst). | Start of the GPS to the End of the GPS | No |
Secondary | Participant Average Rhinoconjunctivitis Daily Medication Score (DMS) Over the Entire GPS | The DMS is composed of a sum of the scores associated with rescue medication use per day. Rescue medications were implemented when a participant had a symptom score >= 4. Rescue medications for allergic rhinoconjunctivitis were to be utilized in a step-wise fashion: loratadine, olopatadine hydrochloride 0.1% opthalmic solution, mometasone, and prednisone, in that sequence. The score for the DMS ranged from 0 (no use of rescue medication) to 36 (maximum use of rescue medication). A lower medication score indicated less impact on symptoms and was suggestive of less use of rescue medication. | Start of the GPS to the End of the GPS | No |
Secondary | Participant Average Weekly Rhinoconjunctivitis Quality-of-Life Questionnaire (RQLQ) Total Score Over the Entire GPS | The RQLQ has 28 questions and focusses on 7 domains that may be significantly impaired in participants with seasonal allergic rhinoconjunctivitis: sleep impairment, non-nasal symptoms, practical problems, nasal symptoms, eye symptoms, activity limitations, and emotional difficulty. The RQLQ score is the mean of all 28 responses and the individual domain scores are the means of the items in those domains. RQLQ scores range from 0 (best) to 6 (worst), with a higher score indicating more significant impairment. | Start of the GPS to the End of the GPS | No |
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