Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology · 2022
Participant characteristics and safety outcomes of peanut oral immunotherapy in the RAMSES and ARC011 trials.
Рандомизированное исследованиеКлиническое исследование III фазыСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Ciaccio Christina, Goldsobel Alan B, Anagnostou Aikaterini, Beyer Kirsten, Casale Thomas B, Deschildre Antoine, Fernández-Rivas Montserrat, Hourihane Jonathan O'B, Krawiec Marta, Lieberman Jay, Scurlock Amy M, Vickery Brian P, Smith Alex, Tilles Stephen A, Adelman Daniel C, Brown Kari R, RAMSES (ARC007) and ARC011 Study Groups:
Аннотация
BACKGROUND: Clinical trials (PALISADE [ARC003], ARTEMIS [ARC010]) proving efficacy and safety of peanut (Arachis hypogaea) allergen powder-dnfp (PTAH) have used double-blind, placebo-controlled food challenges (DBPCFCs) to screen for eligibility and to evaluate efficacy. In routine clinical practice, individuals with peanut allergy do not always undergo food challenges to confirm diagnosis or determine candidacy for treatment.
OBJECTIVE: To describe PTAH safety and tolerability in participants selected by clinical history and peanut sensitization parameters not undergoing DBPCFCs during trials and to compare findings with previously published data.
METHODS: RAMSES (ARC007) was a 6-month, phase 3, randomized, double-blind, placebo-controlled trial in children aged 4 to 17 years with physician-confirmed peanut allergy. ARC011 was the subsequent 6-month follow-on maintenance PTAH study. The primary end point for RAMSES and ARC011 was the frequency of treatment-emergent adverse events (AEs). We descriptively compared baseline characteristics and safety outcomes from RAMSES and ARC011 to participants undergoing DBPCFCs in phase 3 PALISADE and ARTEMIS trials.
RESULTS: In 506 patients randomized to study treatment, baseline characteristics appeared balanced among groups. Proportion of participants with at least 1 AE was 55% for PTAH vs 33.9% for placebo during initial dose escalation and 98.8% vs 94.0% during updosing, respectively. Most participants with AEs had mild or moderate events. The most common AEs were gastrointestinal. Comparisons to pooled PALISADE and ARTEMIS data revealed higher baseline median peanut-specific immunoglobulin E and skin prick test values for RAMSES participants. Safety outcomes during trial periods were comparable.
CONCLUSION: Safety data from clinically selected children with peanut allergy receiving PTAH do not seem different from those in phase 3 trials requiring DBPCFC to enter trials.
OBJECTIVE: To describe PTAH safety and tolerability in participants selected by clinical history and peanut sensitization parameters not undergoing DBPCFCs during trials and to compare findings with previously published data.
METHODS: RAMSES (ARC007) was a 6-month, phase 3, randomized, double-blind, placebo-controlled trial in children aged 4 to 17 years with physician-confirmed peanut allergy. ARC011 was the subsequent 6-month follow-on maintenance PTAH study. The primary end point for RAMSES and ARC011 was the frequency of treatment-emergent adverse events (AEs). We descriptively compared baseline characteristics and safety outcomes from RAMSES and ARC011 to participants undergoing DBPCFCs in phase 3 PALISADE and ARTEMIS trials.
RESULTS: In 506 patients randomized to study treatment, baseline characteristics appeared balanced among groups. Proportion of participants with at least 1 AE was 55% for PTAH vs 33.9% for placebo during initial dose escalation and 98.8% vs 94.0% during updosing, respectively. Most participants with AEs had mild or moderate events. The most common AEs were gastrointestinal. Comparisons to pooled PALISADE and ARTEMIS data revealed higher baseline median peanut-specific immunoglobulin E and skin prick test values for RAMSES participants. Safety outcomes during trial periods were comparable.
CONCLUSION: Safety data from clinically selected children with peanut allergy receiving PTAH do not seem different from those in phase 3 trials requiring DBPCFC to enter trials.