Abstract Title:

Intravenous vitamin C in the treatment of allergies: an interim subgroup analysis of a long-term observational study.

Abstract Source:

J Int Med Res. 2018 Jan 1:300060518777044. Epub 2018 Jan 1. PMID: 29950123

Abstract Author(s):

Claudia Vollbracht, Martin Raithel, Bianka Krick, Karin Kraft, Alexander F Hagel

Article Affiliation:

Claudia Vollbracht


: Objective Oxidative stress appears to be a key factor in the pathogenesis of allergic diseases and a potential therapeutic target in allergy treatment. Allergic diseases are reportedly associated with reduced plasma levels of ascorbate, which is a key physiological antioxidant. Ascorbate prevents excessive inflammation without reducing the defensive capacity of the immune system. Methods An interim analysis of a multicenter, prospective, observational study was conducted to investigate the change in disease-specific and nonspecific symptoms (fatigue, sleep disorders, depression, and lack of mental concentration) during adjuvant treatment with intravenous vitamin C (PascorbinĀ®; Pascoe, Giessen, Germany) in 71 patients with allergy-related respiratory or cutaneous indications. Results Between the start and end of treatment, the mean sum score of three disease-specific symptoms decreased significantly by 4.71 points and that of four nonspecific symptoms decreased significantly by 4.84 points. More than 50% of patients took no other allergy-related medication besides vitamin C. Conclusions Our observations suggest that treatment with intravenous high-dose vitamin C reduces allergy-related symptoms. Our observations form a basis for planning a randomized controlled clinical trial to obtain more definitive evidence of the clinical relevance of our findings. We also obtained evidence of ascorbate deficiency in allergy-related diseases.

TRIAL REGISTRATION: Clinical Trials NCT02422901.

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