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在研机构- |
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在研适应症- |
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最高研发阶段无进展 |
首次获批国家/地区- |
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A Phase 2, Double-Blind, Parallel-Group, Dose-Ranging Study Evaluating Safety/ Efficacy Atropine Doses With Pseudoephedrine and Chlorpheniramine in SAR Patients 12 Years of Age and Older
This active vs active comparative trial will evaluate the safety and efficacy of incremental doses of atropine in combination with pseudoephedrine 120 mg/chlorpheniramine 8 mg in adult patients with a history of seasonal allergic rhinitis. Hypotheses are defined by total nasal symptom scores (TNSS) recorded by subjects in diaries where efficacy will be established by statistical significance where p < 0.05.
Phase 1 Study of AHIST in Seasonal Allergic Rhinitis Patients
Objectives:
A) To gather pharmacodynamic measurements and assess blood levels of the active ingredients in AHIST over the dosage interval period of 12 hours.
Hypothesis: Hysteresis curves plotting each active ingredient's blood levels over a 12-hour dosage interval will substantiate S5 Symptom Diary scores (IE: evidentiary therapeutic window data);
B) To report subjective scores by subjects rating the efficacy of a single dose AHIST in relieving nasal congestion, rhinorrhea, nasal itching, sneezing, and post-nasal drip over a 12-hour dosage interval.
Hypothesis: Greater than 66% of subjects will document clinically significant relief over a 12-hour period from one dose of AHIST;
C) Report any side effects or adverse drug reactions and rate the severity of any incidence.
Hypothesis: Not more than one patient will have an adverse event significant enough to warrant withdrawal; side effects will be mild with the most frequently reported side effect occurring in less than 10% of patients-drowsiness.
A Multi-Center, Double-Blind, Randomized, Placebo-Controlled, Parallel-Group Study Evaluating the Safety and Efficacy of STAHIST in Adult and Adolescent Subjects With a History of Seasonal Allergic Rhinitis
The overall development plan is to show that the combination of tried-and-proven decongestant/antihistamine ingredients (pseudoephedrine hydrochloride and chlorpheniramine maleate), plus a very small amount of belladonna alkaloids (.24 mg atropine sulfate) is a comprehensive, safe and effective B.I.D. drug treatment regimen, indicated for the relief of symptoms associated with seasonal allergic rhinitis in adults and children 12 years of age and older. Treated symptoms include nasal congestion, sneezing, rhinorrhea, itchy nose, itchy/watery eyes, and post nasal drip syndrome [reduction in tickly cough (acute or chronic), mucus in the back of the throat, sore throat, and hoarseness]. Considering the favorable safety and efficacy results of Phase 1 and Phase 2, the purpose of Phase 3 is to assess and compare the safety and efficacy of the study drug in a larger group comparatively with a placebo control group. Objectives: A) To report and compare total symptom scores (TSS) by SAR subjects rating the efficacy of STAHIST vs. placebo in relieving nasal congestion, rhinorrhea, nasal itching, sneezing, and post-nasal drip over the two-week study period. B) Report any side effects or adverse drug reactions and rate the severity of any incident. C) Compare and report each symptom score, total nasal symptom scores (TNSS), and post-nasal drip symptom scores (PND-S) between the two study arms.
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