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Livier Castillo J, Flores Valdés JR, Maney Orellana M, Satish S, Ijioma CE, Benjamin J, Ramirez Alvarez E, Martinez Ramirez M, Arruarana VS, Calderon Martinez E. The Use and Efficacy of Oral Phenylephrine Versus Placebo Treating Nasal Congestion Over the Years on Adults: A Systematic Review. Cureus 2023; 15:e49074. [PMID: 38125218 PMCID: PMC10730950 DOI: 10.7759/cureus.49074] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/19/2023] [Indexed: 12/23/2023] Open
Abstract
Nasal congestion is a common issue stemming from various factors such as allergies and anatomical variations. Allergic rhinitis frequently leads to nasal congestion. The pathophysiology involves inflammation, swelling, and mucus production in the nasal mucosa. Multiple treatments are available, including oral phenylephrine, an over-the-counter or prescription option. However, the effectiveness and safety of phenylephrine have been subjects of debate. This systematic review aims to provide an updated perspective on the efficacy of oral phenylephrine versus placebo in addressing nasal congestion in adults. We conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) 2020 guidelines, a systematic review involving searches on PubMed, Cochrane, and Scopus databases. Inclusion/exclusion criteria were defined to identify high-quality studies. The focus was on randomized controlled trials (RCTs) and case-control studies published in English between 1998 and 2023, involving adult populations. The interventions compared oral phenylephrine with placebo or standard care, with outcomes centering on changes in nasal congestion symptoms and nasal airway resistance. We identified four articles that met the criteria. These studies exhibited varied designs and populations. The findings consistently indicated that phenylephrine was not more effective than a placebo in relieving nasal congestion. This systematic review demonstrates that oral phenylephrine did not offer substantial relief from nasal congestion compared to a placebo in adults. The studies featured diverse designs, yet the prevailing conclusion was that phenylephrine's efficacy was limited. Safety assessments showed no life-threatening adverse events, with common side effects including headaches and mild discomfort. In summary, this systematic review indicates that oral phenylephrine is not significantly more effective than a placebo in alleviating nasal congestion in adults. Clinicians should explore alternative treatment options, considering the review's limitations. Additional research may be needed to clarify the role of oral phenylephrine in managing nasal congestion.
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Affiliation(s)
| | | | | | - Sruthi Satish
- Internal Medicine, Kasturba Medical College, Manipal, Manipal, IND
| | - Chimaobi E Ijioma
- Medicine and Surgery, Abia State University Faculty of Medicine, Uturu, Umuahia, NGA
| | - Janet Benjamin
- Internal Medicine, Ross University School of Medicine, Miramar, USA
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Hatton RC, Hendeles L. Why Is Oral Phenylephrine on the Market After Compelling Evidence of Its Ineffectiveness as a Decongestant? Ann Pharmacother 2022; 56:10600280221081526. [PMID: 35337187 DOI: 10.1177/10600280221081526] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Ineffective over-the-counter (OTC) drugs should be removed from the US market. Despite solid research showing that oral phenylephrine is ineffective as a decongestant, the US Food and Drug Administration has failed to respond to a 2015 citizen's petition to remove it from the OTC nasal decongestant monograph. Other examples of scientifically proven ineffective OTC medications include guaifenesin as an expectorant, dextromethorphan as a cough suppressant, and chlorpheniramine for cold symptoms.
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Affiliation(s)
- Randy C Hatton
- Department of Pharmaceutical Outcomes and Policy, College of Pharmacy, University of Florida, Fernandina Beach, FL, USA
| | - Leslie Hendeles
- Department of Pharmacotherapy and Translational Research, College of Pharmacy, University of Florida, Gainesville, FL, USA
- Pediatric Pulmonary Division, Department of Pediatrics, College of Medicine, University of Florida, Gainesville, FL, USA
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Miyata K, Horikami D, Tachibana Y, Yamamoto T, Nakamura T, Kobayashi K, Murata T. 15-hydroxy eicosadienoic acid is an exacerbating factor for nasal congestion in mice. FASEB J 2021; 36:e22085. [PMID: 34888952 DOI: 10.1096/fj.202101305r] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 11/15/2021] [Accepted: 11/22/2021] [Indexed: 11/11/2022]
Abstract
Allergic rhinitis (AR) is one of the most common allergic inflammatory diseases worldwide. In AR, increased blood flow and vascular permeability in nasal mucosa cause rhinorrhea and nasal congestion. We investigated the role of an 11Z,14Z-eicosadienoic acid-derived metabolite, 15-hydroxy-11Z,13Z-eicosadienoic acid (15-HEDE), in functional changes in vasculature and nasal congestion in AR. Repeated intranasal administration of Ovalbumin (OVA) caused AR symptoms, such as sneezing and nasal congestion, in mice. OVA administration increased the level of 15-HEDE in nasal lavage fluid, which reached approximately 0.6 ng/ml after ten OVA treatments. Upon measuring vascular contraction, treatment with 0.1-3 μM 15-HEDE did not cause contraction in mouse aortae, while it dilated aortae that were pre-contracted by thromboxane receptor stimulation. Pretreatment with the voltage-gated K+ (KV ) channel inhibitor 4-aminopyridine significantly inhibited the 15-HEDE-induced vascular relaxation. Intravital imaging showed that administration of 1 μg 15-HEDE dilated blood vessels, and Mile's assay demonstrated that this administration also caused dye leakage, indicating vascular hyperpermeability in mouse ears. Computed tomography scanning and morphological study revealed that administration of 3 μg 15-HEDE narrowed nasal passages and thickened nasal mucosa in mice. Finally, we confirmed that treating mice with 3 μg 15-HEDE caused rhinitis symptoms, such as abdominal breathing, and reduced respiratory frequency, suggesting nasal congestion. 15-HEDE caused vasodilation by activating KV channels and increased vascular permeability, which may lead to nasal congestion. Furthermore, 15-HEDE might be a new lipid mediator that exacerbates nasal congestion in AR.
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Affiliation(s)
- Kana Miyata
- Department of Animal Radiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Daiki Horikami
- Department of Animal Radiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Yuri Tachibana
- Department of Animal Radiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Teruko Yamamoto
- Department of Animal Radiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Tatsuro Nakamura
- Department of Animal Radiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Koji Kobayashi
- Department of Animal Radiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Takahisa Murata
- Department of Animal Radiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
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Dykewicz MS, Wallace DV, Amrol DJ, Baroody FM, Bernstein JA, Craig TJ, Dinakar C, Ellis AK, Finegold I, Golden DBK, Greenhawt MJ, Hagan JB, Horner CC, Khan DA, Lang DM, Larenas-Linnemann DES, Lieberman JA, Meltzer EO, Oppenheimer JJ, Rank MA, Shaker MS, Shaw JL, Steven GC, Stukus DR, Wang J, Dykewicz MS, Wallace DV, Dinakar C, Ellis AK, Golden DBK, Greenhawt MJ, Horner CC, Khan DA, Lang DM, Lieberman JA, Oppenheimer JJ, Rank MA, Shaker MS, Stukus DR, Wang J, Dykewicz MS, Wallace DV, Amrol DJ, Baroody FM, Bernstein JA, Craig TJ, Finegold I, Hagan JB, Larenas-Linnemann DES, Meltzer EO, Shaw JL, Steven GC. Rhinitis 2020: A practice parameter update. J Allergy Clin Immunol 2020; 146:721-767. [PMID: 32707227 DOI: 10.1016/j.jaci.2020.07.007] [Citation(s) in RCA: 110] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 06/22/2020] [Accepted: 07/01/2020] [Indexed: 12/12/2022]
Abstract
This comprehensive practice parameter for allergic rhinitis (AR) and nonallergic rhinitis (NAR) provides updated guidance on diagnosis, assessment, selection of monotherapy and combination pharmacologic options, and allergen immunotherapy for AR. Newer information about local AR is reviewed. Cough is emphasized as a common symptom in both AR and NAR. Food allergy testing is not recommended in the routine evaluation of rhinitis. Intranasal corticosteroids (INCS) remain the preferred monotherapy for persistent AR, but additional studies support the additive benefit of combination treatment with INCS and intranasal antihistamines in both AR and NAR. Either intranasal antihistamines or INCS may be offered as first-line monotherapy for NAR. Montelukast should only be used for AR if there has been an inadequate response or intolerance to alternative therapies. Depot parenteral corticosteroids are not recommended for treatment of AR due to potential risks. While intranasal decongestants generally should be limited to short-term use to prevent rebound congestion, in limited circumstances, patients receiving regimens that include an INCS may be offered, in addition, an intranasal decongestant for up to 4 weeks. Neither acupuncture nor herbal products have adequate studies to support their use for AR. Oral decongestants should be avoided during the first trimester of pregnancy. Recommendations for use of subcutaneous and sublingual tablet allergen immunotherapy in AR are provided. Algorithms based on a combination of evidence and expert opinion are provided to guide in the selection of pharmacologic options for intermittent and persistent AR and NAR.
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Affiliation(s)
- Mark S Dykewicz
- Section of Allergy and Immunology, Division of Infectious Diseases, Allergy and Immunology, Department of Internal Medicine, School of Medicine, Saint Louis University, St Louis, Mo.
| | - Dana V Wallace
- Department of Medicine, Nova Southeastern Allopathic Medical School, Fort Lauderdale, Fla
| | - David J Amrol
- Department of Internal Medicine, School of Medicine, University of South Carolina, Columbia, SC
| | - Fuad M Baroody
- Department of Otolaryngology-Head and Neck Surgery, Pritzker School of Medicine, University of Chicago, Chicago, Ill
| | - Jonathan A Bernstein
- Allergy Section, Division of Immunology, Department of Internal Medicine, College of Medicine, University of Cincinnati, Cincinnati, Ohio
| | - Timothy J Craig
- Departments of Medicine and Pediatrics, Penn State University, Hershey, Pa
| | - Chitra Dinakar
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, School of Medicine, Stanford University, Stanford, Calif
| | - Anne K Ellis
- Division of Allergy and Immunology, Department of Medicine, Queen's University, Kingston, Ontario, Canada
| | - Ira Finegold
- Division of Allergy and Immunology, Department of Medicine, Mount Sinai West, New York, NY
| | - David B K Golden
- Division of Allergy and Clinical Immunology, Department of Medicine, School of Medicine, John Hopkins University, Baltimore, Md
| | - Matthew J Greenhawt
- Section of Allergy and Immunology, Department of Pediatrics, Children's Hospital Colorado, School of Medicine, University of Colorado, Aurora, Colo
| | - John B Hagan
- Division of Allergic Diseases, Mayo Clinic, Rochester, Minn
| | - Caroline C Horner
- Division of Allergy, Immunology and Pulmonary Medicine, Department of Pediatrics, School of Medicine, Washington University, St Louis, Mo
| | - David A Khan
- Division of Allergy and Immunology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Tex
| | - David M Lang
- Department of Allergy and Clinical Immunology, Respiratory Institute, Cleveland Clinic Lerner College of Medicine at Case Western Reserve University, Cleveland, Ohio
| | | | - Jay A Lieberman
- Division of Pulmonology Allergy and Immunology, Department of Pediatrics, The University of Tennessee Health Science Center, Memphis, Tenn
| | - Eli O Meltzer
- Division of Allergy and Immunology, Department of Pediatrics, School of Medicine, University of California, San Diego, Calif; Allergy and Asthma Medical Group and Research Center, San Diego, Calif
| | - John J Oppenheimer
- Division of Pulmonary & Critical Care Medicine and Allergic & Immunologic Diseases, Department of Internal Medicine, University of Medicine and Dentistry of New Jersey-Rutgers New Jersey Medical School, New Brunswick, NJ; Pulmonary and Allergy Associates, Morristown, NJ
| | - Matthew A Rank
- Division of Allergy, Asthma, and Clinical Immunology, Mayo Clinic in Arizona, Scottsdale, Ariz
| | - Marcus S Shaker
- Department of Pediatrics, Dartmouth-Hitchcock Medical Center, Lebanon, NH
| | | | | | - David R Stukus
- Division of Allergy and Immunology, Nationwide Children's Hospital, Columbus, Ohio; Department of Pediatrics, College of Medicine, The Ohio State University, Columbus, Ohio
| | - Julie Wang
- Division of Allergy and Immunology, Department of Pediatrics, The Elliot and Roslyn Jaffe Food Allergy Institute, Icahn School of Medicine at Mount Sinai, New York, NY
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