PMID- 8361304 OWN - NLM STAT- MEDLINE DCOM- 19930927 LR - 20131121 IS - 0023-852X (Print) IS - 0023-852X (Linking) VI - 103 IP - 9 DP - 1993 Sep TI - The role of H2 antagonists in perennial allergic rhinitis. PG - 1013-9 AB - The biological effects of anti-H2 in allergic reactions are dose dependent: low doses enhance, and high doses significantly decrease the reaction of hypersensitivity. The administration of cimetidine H2 antagonist to 20 perennial allergic rhinitis patients brought about an abatement in the symptoms and a decrease in the total serum immunoglobulin E (IgE) levels in 72% of treated patients, but no variation was perceived in placebo-treated patients. These results strengthen the hypothesis of anti-H2-induced immunoregulatory effects and suggest a possible way of inhibiting IgE synthesis in vivo. FAU - Testa, B AU - Testa B AD - Institute of Otolaryngology, School of Medicine, University of Naples, Italy. FAU - Mesolella, C AU - Mesolella C FAU - Filippini, P AU - Filippini P FAU - Campagnano, N AU - Campagnano N FAU - Testa, D AU - Testa D FAU - Mesolella, M AU - Mesolella M FAU - Sagnelli, E AU - Sagnelli E LA - eng PT - Journal Article PL - United States TA - Laryngoscope JT - The Laryngoscope JID - 8607378 RN - 0 (Immunoglobulins) RN - 0 (Placebos) RN - 37341-29-0 (Immunoglobulin E) RN - 80061L1WGD (Cimetidine) SB - IM MH - Adolescent MH - Adult MH - Cimetidine/administration & dosage/pharmacology/*therapeutic use MH - Double-Blind Method MH - Female MH - Humans MH - Immunoglobulin E/blood MH - Immunoglobulins/blood MH - Injections, Intravenous MH - Male MH - Nasal Mucosa/drug effects MH - Placebos MH - Rhinitis, Allergic, Perennial/*drug therapy MH - Time Factors EDAT- 1993/09/01 00:00 MHDA- 1993/09/01 00:01 CRDT- 1993/09/01 00:00 PHST- 1993/09/01 00:00 [pubmed] PHST- 1993/09/01 00:01 [medline] PHST- 1993/09/01 00:00 [entrez] AID - 10.1288/00005537-199309000-00012 [doi] PST - ppublish SO - Laryngoscope. 1993 Sep;103(9):1013-9. doi: 10.1288/00005537-199309000-00012.