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Mann J, Cox V, Gorman S, Calissi P. Barriers to and Facilitators of Delabelling of Antimicrobial Allergies: A Qualitative Meta-synthesis. Can J Hosp Pharm 2024; 77:e3490. [PMID: 38357298 PMCID: PMC10846797 DOI: 10.4212/cjhp.3490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 08/11/2023] [Indexed: 02/16/2024]
Abstract
Background Patients who report penicillin allergies may receive alternative antibiotics. Such substitution contributes to antimicrobial resistance, lower treatment efficacy, increased frequency of adverse events, and increased costs. Approximately 90% of individuals who report a penicillin allergy can tolerate a penicillin. Objective To identify the barriers to and facilitators of removal by health care workers of inaccurate antimicrobial allergies from patient records, known as delabelling. Data Sources The MEDLINE database was searched from inception to December 29, 2020. Study Selection and Data Extraction Qualitative studies evaluating health care professionals' perceptions of barriers to and/or facilitators of the act of delabelling a patient's antimicrobial allergies were included in the meta-synthesis. Data Synthesis The Theoretical Domains Framework was used to code and group individual utterances from the included studies, which were mapped to the Behaviour Change Wheel and corresponding intervention function and policy categories. Results Four studies met the inclusion criteria. Eight themes were identified as representing barriers to delabelling: delabelling skills, patient education skills, knowledge, electronic health records (EHRs), communication frameworks, time, fear about allergic reactions, and professional roles. Behaviour change interventions that may overcome these barriers include education, training, algorithms and toolkits, changes to EHRs, use of dedicated personnel, policies, incentivization of correct labelling, and an audit system. Conclusions Eight themes were identified as barriers to delabelling of antimicrobial allergies. Future behaviour change interventions to address these barriers were proposed. Confidence in the findings of this study was judged to be moderate, according to the GRADE CERQual approach.
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Affiliation(s)
- Juliana Mann
- , BSc(Pharm), ACPR, is a Clinical Pharmacist with the East Kootenay Regional Hospital, Cranbrook, British Columbia
| | - Victoria Cox
- , BSc(Pharm), ACPR, PharmD, is a Clinical Pharmacy Specialist, Infectious Diseases, Kelowna General Hospital, Kelowna, British Columbia
| | - Sean Gorman
- , BSc(Pharm), PharmD, is Pharmacy Director, East and South Interior Health Pharmacy Services, Kelowna, British Columbia
| | - Piera Calissi
- , BSc(Pharm), PharmD, FSCHP, is Coordinator, Antimicrobial Stewardship Program, Interior Health, Kelowna, British Columbia
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Allen GP, Morrill HL. Safety Aspects and Rational Use of Single Intramuscular Dose Ceftriaxone: Clinical Insights on the Management of Uncomplicated Gonococcal Infections. Drug Healthc Patient Saf 2023; 15:159-170. [PMID: 37941731 PMCID: PMC10629349 DOI: 10.2147/dhps.s350763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 10/27/2023] [Indexed: 11/10/2023] Open
Abstract
Gonorrhea, a sexually transmitted infection caused by Neisseria gonorrhoeae, is a grave public health concern. Gonorrhea is the second most reported sexually transmitted infection worldwide. The treatment of uncomplicated gonococcal infections has evolved dramatically in response to the emergence of antimicrobial resistance. Multiple resistance mechanisms (for example, beta-lactamase production, antimicrobial efflux, and target site modification) exist, some of which may cause multidrug-resistance. Ceftriaxone was first recommended as an option for uncomplicated gonococcal infections in 1985, and it is now a mainstay of therapy in all clinical practice guidelines. Ceftriaxone has consistently shown high microbiologic cure rates in clinical trials, and it has demonstrated an excellent safety profile. Although its use may be limited in patients with hypersensitivity to penicillins, the risk of using ceftriaxone in such patients is overestimated. The emergence of reduced ceftriaxone susceptibility in N. gonorrhoeae, coupled with a lack of diverse treatment alternatives and the limited pipeline of new antimicrobials, is a significant threat to the treatment of gonorrhea.
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Affiliation(s)
- George P Allen
- School of Pharmacy, Westbrook College of Health Professions, University of New England, Portland, ME, USA
| | - Haley L Morrill
- School of Pharmacy, Westbrook College of Health Professions, University of New England, Portland, ME, USA
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3
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Alnæs MB, Oppegaard O, Kittang BR, Lygre SHL, Langeland AB, Skodvin B, Bjånes T, Storaas T. A new pathway for penicillin delabeling in Norway. World Allergy Organ J 2023; 16:100829. [PMID: 37868111 PMCID: PMC10587752 DOI: 10.1016/j.waojou.2023.100829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 09/21/2023] [Accepted: 09/22/2023] [Indexed: 10/24/2023] Open
Abstract
Background Penicillin allergy is self-reported by 3-10% of patients admitted to hospital. The label is wrong in 90% of the cases and has severe health implications. Penicillin-delabeling can reverse the negative effects of the label, and pathways adapted to local practice are needed. No tools are available in Norway for penicillin delabeling outside an allergy clinic. Objective To create and validate the first penicillin delabeling pathway applicable outside an allergy clinic in Norway. Methods An interdisciplinary taskforce created a penicillin allergy delabeling program (PAD) adapted to the Norwegian health care system. This was validated in a prospective, single-center study. Very low-risk and low-risk patients underwent a direct oral penicillin challenge and high-risk patients were referred for allergologic evaluation. Results One-hundred forty-nine patients declaring penicillin allergy were included. Seventy-four (50%) were very-low- and low risk patients suitable for a direct oral penicillin challenge resulting in only 1 mild reaction. Sixty high-risk patients were eligible for an oral penicillin challenge after allergologic evaluation; 3 patients reacted non-severely. Conclusion We have created and demonstrated feasibility of the first penicillin delabeling program (PAD) applicable in a hospital setting outside an allergy clinic in Norway. Our data suggest this is safe and beneficial, with 49% patients delabeled through a direct oral penicillin challenge, performed without any serious adverse events, and an overall 87% delabeling rate.
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Affiliation(s)
- Marie Bjørbak Alnæs
- Section of Clinical Allergy, Department of Occupational Medicine, Haukeland University Hospital, 5020 Bergen, Norway
- Department of Clinical Medicine, University of Bergen, 5021 Bergen, Norway
| | - Oddvar Oppegaard
- Department of Clinical Medicine, University of Bergen, 5021 Bergen, Norway
- Department of Medicine, Haukeland University Hospital, 5020 Bergen, Norway
| | - Bård Reiakvam Kittang
- Department of Clinical Medicine, University of Bergen, 5021 Bergen, Norway
- Haraldsplass Deaconess Hospital 5009 Bergen, Norway
- Department of Nursing Home Medicine, 5145 Fyllingsdalen, Norway
| | - Stein Håkon Låstad Lygre
- Section of Clinical Allergy, Department of Occupational Medicine, Haukeland University Hospital, 5020 Bergen, Norway
| | | | - Brita Skodvin
- The Norwegian Advisory Unit for Antibiotic Use in Hospitals, 5020 Bergen, Norway
| | - Tormod Bjånes
- Department of Medical Biochemistry and Pharmacology (MBF) Haukeland University Hospital, 5020 Bergen, Norway
| | - Torgeir Storaas
- Section of Clinical Allergy, Department of Occupational Medicine, Haukeland University Hospital, 5020 Bergen, Norway
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Wade S, Marshall E. A pharmacist-led penicillin allergy de-labelling project within a preoperative assessment clinic: the low-hanging fruit is within reach. J Hosp Infect 2023; 139:1-5. [PMID: 37343770 DOI: 10.1016/j.jhin.2023.06.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 05/24/2023] [Accepted: 06/05/2023] [Indexed: 06/23/2023]
Abstract
BACKGROUND Having a false penicillin-allergy label is linked to longer hospital stays and to an increased risk of Clostridioides difficile and meticillin-resistant Staphylococcus aureus infection. AIM To assess a penicillin-allergy de-labelling tool designed for use by the non-allergist. METHODS Patients attending the surgical preoperative assessment clinic (POAC) at a large UK teaching hospital, who reported a penicillin allergy, were directly de-labelled by nursing or pharmacy staff, where appropriate. A penicillin-allergy de-labelling tool designed for use by the non-allergist was adapted and applied; nursing staff were provided with supporting information and education to enable removal of spurious labels. Antimicrobial pharmacists (AMPs) provided follow-up, cross-checked prophylactic antibiotics administered, interrogated clinical notes, and telephoned patients following their surgery, for details of any adverse reactions suffered. FINDINGS A total of 163 patients reporting a penicillin allergy were identified for intervention. Twenty-nine (17.8%) patients reported a penicillin-allergy history appropriate for direct de-labelling, of whom eight (27.6%) declined to consent. The remaining 21 patients (12.8%) were directly de-labelled, with 12 (7.4%) patients consenting during their POAC appointment; the remaining nine (5.5%) patients were consented and de-labelled after their surgery by an AMP. CONCLUSION The POAC was identified as an appropriate location and time-point in the patient pathway to enable the direct removal of spurious penicillin-allergy labels prior to surgery. Results suggest that this could be undertaken by nursing staff, although support from AMPs enabled a greater number of patients to be de-labelled.
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Affiliation(s)
- S Wade
- University Hospitals Bristol & Weston NHS Foundation Trust, Marlborough Street, Bristol, UK.
| | - E Marshall
- University Hospitals Bristol & Weston NHS Foundation Trust, Marlborough Street, Bristol, UK
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Saravanabavan S, Aulakh A, Douglas J, Elwood C, Erdle S, Grant J, Kang KT, Kwan N, Lacaria K, Lau TTY, Lee C, Leung V, Lin YC, Mah A, Nguyen A, Paquette V, Roberts A, Watt M, Van Schalkwyk J, Zhang BY, Mak R, Wong T. Penicillin de-labelling in vancouver, British Columbia, Canada: comparison of approaches, outcomes and future directions. ALLERGY, ASTHMA, AND CLINICAL IMMUNOLOGY : OFFICIAL JOURNAL OF THE CANADIAN SOCIETY OF ALLERGY AND CLINICAL IMMUNOLOGY 2023; 19:30. [PMID: 37072861 PMCID: PMC10114447 DOI: 10.1186/s13223-023-00777-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 02/27/2023] [Indexed: 04/20/2023]
Abstract
BACKGROUND Inaccurate penicillin allergy labels lead to inappropriate antibiotic prescriptions and harmful patient consequences. System-wide efforts are needed to remove incorrect penicillin allergy labels, but more health services research is required on how to best deliver these services. METHODS Data was extracted from five hospitals in Vancouver, British Columbia, Canada from October 2018-May 2022. The primary outcomes of this study were to outline de-labelling protocol designs, identify the roles of various healthcare professionals in de-labelling protocols and identify rates of de-labelling penicillin allergies and associated adverse events at various institutions. Our secondary outcome was to describe de-labelling rates for special populations, including pediatric, obstetric and immunocompromised subpopulations. To achieve these outcomes, participating institutions provided their de-labelling protocol designs and data on program participants. Protocols were then compared to find common themes and differences. Furthermore, adverse events were reviewed and percentages of patients de-labelled at each institution and in total were calculated. RESULTS Protocols demonstrated a high level of variability, including different methods of participant identification, risk-stratification and roles of providers. All protocols used oral and direct oral challenges, heavily involved pharmacists and had physician oversight. Despite the differences, of the 711 patients enrolled in all programs, 697 (98.0%) were de-labelled. There were 9 adverse events (1.3%) with oral challenges with mainly minor symptoms. CONCLUSIONS Our data demonstrates that de-labelling programs effectively and safely remove penicillin allergy labels, including pediatric, obstetric and immunocompromised patients. Consistent with current literature, most patients with a penicillin allergy label are not allergic. De-labelling programs could benefit from increasing clinician engagement by increasing accessibility of resources to providers, including guidance for de-labelling of special populations.
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Affiliation(s)
- Sujen Saravanabavan
- Department of Pediatrics, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada.
| | | | | | - Chelsea Elwood
- B.C. Women's Hospital and Health Centre, Vancouver, BC, Canada
| | | | - Jennifer Grant
- Vancouver General Hospital, Vancouver, BC, Canada
- Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | | | | | - Katie Lacaria
- Vancouver General Hospital, Vancouver, BC, Canada
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Tim T Y Lau
- Vancouver General Hospital, Vancouver, BC, Canada
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Colin Lee
- Providence Health Care, Vancouver, BC, Canada
| | - Victor Leung
- Providence Health Care, Vancouver, BC, Canada
- Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Yu-Chen Lin
- Lions Gate Hospital, Vancouver, BC, Canada
- Lower Mainland Pharmacy Services, Vancouver, BC, Canada
| | - Allison Mah
- Vancouver General Hospital, Vancouver, BC, Canada
- Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Anne Nguyen
- Lions Gate Hospital, Vancouver, BC, Canada
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, BC, Canada
| | | | | | - Melissa Watt
- B.C. Women's Hospital and Health Centre, Vancouver, BC, Canada
| | | | - Bei Yuan Zhang
- Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Raymond Mak
- BC Children's Hospital, Vancouver, BC, Canada
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Maduemem K, Clark H, Sohal I, Dawson T, Makwana N. Barriers to paediatric penicillin allergy de-labelling in UK secondary care: a regional survey. Arch Dis Child 2022; 108:363-366. [PMID: 36535750 DOI: 10.1136/archdischild-2022-324564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 12/06/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Incorrect penicillin allergy labels result in the use of inappropriately broad-spectrum antibiotics. De-labelling inaccurate penicillin allergy promotes antimicrobial stewardship and optimises prescribing practices. The objectives were to evaluate paediatric clinicians' knowledge and understanding of penicillin allergy and to identify barriers in tackling incorrect penicillin allergy labels. METHODS Paediatric clinicians from across the West Midlands of the UK were surveyed using an online, anonymised questionnaire between 1 August and 30 September 2021. Domains explored were (1) approach to penicillin allergy clinical vignettes, (2) knowledge of the impact of penicillin allergy labels, (3) frequency of allergy-focused history questions and (4) barriers in tackling incorrect penicillin allergy. RESULTS Responses were received from 307 paediatric clinicians across 12 hospitals. Sixty-one per cent would not prescribe a penicillin-based antibiotic if a family history of penicillin allergy was reported. There was an overall deficit in taking an allergy-focused history with only 36.5% inquiring about diagnostic confirmation. Absence, or lack of awareness of a referral pathway for antibiotic allergy evaluation (58.6%) and unfamiliarity of the indications for oral provocation testing (55%) were the most common reported barriers to penicillin allergy de-labelling. Fifty-one per cent would rather 'play it safe' than explore penicillin allergy confirmation as it is felt that alternative treatments were readily available. CONCLUSIONS The deficiency in antibiotic allergy-focused history among paediatric clinicians highlights the need for better allergy education across all clinical grades. Pragmatic algorithms and clear referral pathways could address barriers faced by non-allergists in de-labelling incorrect penicillin allergy.
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Affiliation(s)
- Kene Maduemem
- Emergency department, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, UK
| | - Hannah Clark
- Paediatrics, Worcestershire Acute Hospitals NHS Trust, Worcester, UK
| | - Iseult Sohal
- Paediatrics, University Hospitals of North Midlands NHS Trust, Stoke-on-Trent, UK
| | - Tom Dawson
- Paediatrics, Worcestershire Acute Hospitals NHS Trust, Worcester, UK
| | - Niten Makwana
- Department of Paediatrics, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK
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7
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De-labeling Beta-lactam in Adult Population. CURRENT TREATMENT OPTIONS IN ALLERGY 2022. [DOI: 10.1007/s40521-022-00316-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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8
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Brockow K, Wurpts G, Trautmann A. Patients with questionable penicillin (beta-lactam) allergy: Causes and solutions. Allergol Select 2022; 6:33-41. [PMID: 35141465 PMCID: PMC8822521 DOI: 10.5414/alx02310e] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 01/14/2022] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND In Europe, North America, and Australia, 5% to 10% of the population are now classified as penicillin (β-lactam) allergic. Only ~ 10% of these questionable diagnoses, mostly made in childhood, can be confirmed by allergy diagnostics. MATERIALS AND METHODS The aim of this review is to show causes and consequences as well as recommendations for dealing with the often questionable diagnosis of penicillin (β-lactam) allergy (BLA). RESULTS An incorrect BLA diagnosis may negatively impact antibiotic treatment needed in the future, by using a less effective antibiotic or using a broad-spectrum antibiotic, for example, further exacerbating the problem of increasing antibiotic resistance. Accordingly, there is growing pressure from antibiotic stewardship programs to critically challenge the BLA diagnosis. Conservatively, a suspected BLA is reviewed by an allergist using medical history, skin testing, laboratory testing, and provocation. This clarification is costly and is not remunerated in the German health care system; that is the reason why this testing is only offered in a few specialized clinics and practically not at all in general practice. In view of thousands of affected patients, additional strategies are needed to treat patients with a low risk of hypersensitivity reaction despite suspected allergy with a β-lactam antibiotic. In recent years, various methods have been proposed to eliminate suspected allergy as promptly as possible and directly before necessary treatment with a β-lactam antibiotic, including standardized history (also in the form of an algorithm), skin test with immediate reading after 15 minutes, or administration of a small test dose. Investigations of small case series and also multi-center studies to date have yielded promising results in terms of feasibility and safety. CONCLUSION Of the large number of patients with (questionable) BLA, most have never been tested and - if antibiotic treatment becomes necessary - simply receive an alternative antibiotic. The diagnosis of BLA therefore requires new approaches besides classical allergy testing to critically question BLA.
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Affiliation(s)
- Knut Brockow
- Department of Dermatology and Allergology Biederstein, Faculty of Medicine, Technical University of Munich, Munich
| | - Gerda Wurpts
- Clinic for Dermatology and Allergology, Aachen Comprehensive Allergy Center (ACAC), University Hospital of RWTH Aachen, and
| | - Axel Trautmann
- Department of Dermatology and Allergology, Allergy Center Mainfranken, University Hospital Würzburg, Germany
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9
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Leveraging implementation science to advance antibiotic stewardship practice and research. Infect Control Hosp Epidemiol 2021; 43:139-146. [PMID: 34852212 DOI: 10.1017/ice.2021.480] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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10
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Letter to the editor regarding penicillin allergy de-labelling in Ireland. Ir J Med Sci 2021; 191:2221-2222. [PMID: 34773200 DOI: 10.1007/s11845-021-02844-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Accepted: 10/27/2021] [Indexed: 10/19/2022]
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Affiliation(s)
- Michael Wilcock
- Pharmacy Department, Royal Cornwall Hospitals NHS Trust, Truro, UK
| | - Neil Powell
- Pharmacy Department, Royal Cornwall Hospitals NHS Trust, Truro, UK
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12
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Wanat M, Anthierens S, Butler CC, Savic L, Savic S, Pavitt SH, Sandoe JAT, Tonkin-Crine S. Management of penicillin allergy in primary care: a qualitative study with patients and primary care physicians. BMC FAMILY PRACTICE 2021; 22:112. [PMID: 34116641 PMCID: PMC8194168 DOI: 10.1186/s12875-021-01465-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 05/20/2021] [Indexed: 12/02/2022]
Abstract
Background Six percent of patients are allergic to penicillin according to their medical records. While this designation protects a small number of truly allergic patients from serious reactions, those who are incorrectly labelled may be denied access to recommended first line treatment for many infections. Removal of incorrect penicillin allergy may have positive health consequences for the individual and the general population. We aimed to explore primary care physicians’ (PCPs) and patients’ views and understanding of penicillin allergy with a focus on clinical management of infections in the face of a penicillin allergy record. Methods We conducted an interview study with 31 patients with a penicillin allergy record, and 19 PCPs in the North of England. Data were analysed thematically. Results Patients made sense of their allergy status by considering the timing and severity of symptoms. Diagnosis of penicillin allergy was reported to be ‘imperfect’ with PCPs relying on patient reports and incomplete medical records. PCPs and patients often suspected that an allergy record was incorrect, but PCPs were reluctant to change records. PCPs had limited knowledge of allergy services. PCPs often prescribed alternative antibiotics which were easy to identify. Both patients and PCPs differed in the extent to which they were aware of the negative consequences of incorrect penicillin allergy records, their relevance and importance to their lives, and management of penicillin allergy. Conclusions PCPs and patients appear insufficiently aware of potential harms associated with incorrect penicillin allergy records. Some of the problems experienced by PCPs could be reduced by ensuring the details of newly diagnosed reactions to antibiotics are clearly documented. In order for PCPs to overturn more incorrect penicillin records through appropriate use of allergy services, more information and training about these services will be needed. Supplementary Information The online version contains supplementary material available at 10.1186/s12875-021-01465-1.
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Affiliation(s)
- Marta Wanat
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Radcliffe Observatory Quarter, Woodstock Road, Oxford, UK.
| | - Sibyl Anthierens
- Department of Family Medicine and Population Health, University of Antwerp, Antwerp, Belgium
| | - Christopher C Butler
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Radcliffe Observatory Quarter, Woodstock Road, Oxford, UK
| | - Louise Savic
- Department of Anaesthesia, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Sinisa Savic
- Department of Clinical Immunology and Allergy, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Sue H Pavitt
- Dental Translational and Clinical Research Unit, Faculty of Medicine and Health, University of Leeds, Worsley Building, Clarendon Way, Leeds, UK
| | - Jonathan A T Sandoe
- Healthcare Associated Infection Group, University of Leeds and Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Sarah Tonkin-Crine
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Radcliffe Observatory Quarter, Woodstock Road, Oxford, UK.,NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, University of Oxford, Oxford, UK
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13
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Owens R, Sandoe J, Whyte AF, Wilcock M, West R, Stonell R, Slatter M, Powell N. A randomized evaluation of an antibiotic allergy assessment tool for supporting penicillin allergy de-labelling by non-allergists. Clin Exp Allergy 2021; 51:1246-1249. [PMID: 34046960 DOI: 10.1111/cea.13956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 05/21/2021] [Accepted: 05/22/2021] [Indexed: 11/29/2022]
Affiliation(s)
| | - Jonathan Sandoe
- Leeds Institute of Medical Research, University of Leeds and Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Andrew F Whyte
- Department of Immunology and Allergy, University Hospitals Plymouth NHS Trust, Plymouth, UK
| | | | - Robert West
- Leeds Institute of Health Sciences, University of Leeds, Leeds, UK
| | - Rebecca Stonell
- Pharmacy Department, Salisbury District Hospital, Salisbury, UK
| | - Mandy Slatter
- Pharmacy Department, Royal United Hospital, Bath, UK
| | - Neil Powell
- Pharmacy Department, Royal Cornwall Hospital, Truro, UK.,Faculty of Health, University of Plymouth, Plymouth, UK
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Bhogal R, Hussain A, Balaji A, Bermingham WH, Marriott JF, Krishna MT. The role of a clinical pharmacist in spurious Penicillin allergy: a narrative review. Int J Clin Pharm 2021; 43:461-475. [PMID: 33439428 DOI: 10.1007/s11096-020-01226-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 12/30/2020] [Indexed: 12/31/2022]
Abstract
Background A label of penicillin allergy is held by 6-10% of the general population and 15-20% of inpatients. > 90% of these labels are found to be spurious after formal allergy assessment. Carrying an unnecessary label of penicillin allergy is not benign. Such patients may receive second line, more expensive antibiotics, representing a significant impediment to antimicrobial stewardship. Aim of the review To (a) Explain the burden of spurious penicillin allergy, and evaluate the safety of direct oral penicillin challenge in 'low risk' patients (b) appraise the place for a clinical pharmacist-led penicillin allergy de-labelling programme. Method Narrative review. Search engines: PubMed, Google Scholar and Cochrane reviews. Search criteria: English language; search terms: penicillin allergy, antimicrobial stewardship, antimicrobial resistance, clostridium difficile, vancomycin resistant enterococci, risk stratification, clinical pharmacist and direct oral provocation test Results Penicillin allergy labels are associated with: longer hospital stay, higher readmission rates, enhanced risk of surgical site infections, risk of Clostridioides difficile infection and Methicillin resistant Staphylococcus aureus infection, a delay in the first dose of an antibiotic in sepsis and higher healthcare costs. A direct oral penicillin challenge in 'low risk' patients has proven to be safe. Discussion Recent studies including those led by a clinical pharmacist have demonstrated safety of a direct oral penicillin challenge in 'low risk' patients. This intervention needs validation within individual health services. Conclusion Direct oral penicillin challenge reduces the adverse impact of spurious penicillin allergy. A pharmacist-led penicillin allergy de-labelling program needs further validation in prospective multi-centre studies.
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Affiliation(s)
- Rashmeet Bhogal
- Department of Pharmacy, University Hospitals Birmingham NHS Foundation Trust, Birmingham, B9 5SS, UK.
| | - Abid Hussain
- Birmingham Public Health Laboratory, National Infection Service, Public Health England, Birmingham, UK
| | - Ariyur Balaji
- Department of Acute Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - William H Bermingham
- Department of Allergy and Immunology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - John F Marriott
- Institute of Clinical Sciences, University of Birmingham, Birmingham, UK
| | - Mamidipudi T Krishna
- Department of Allergy and Immunology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
- Institute of Immunology & Immunotherapy, University of Birmingham, Birmingham, UK
- Institute of Clinical Sciences, University of Birmingham, Birmingham, UK
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Krebs K, Bovijn J, Zheng N, Lepamets M, Censin JC, Jürgenson T, Särg D, Abner E, Laisk T, Luo Y, Skotte L, Geller F, Feenstra B, Wang W, Auton A, Raychaudhuri S, Esko T, Metspalu A, Laur S, Roden DM, Wei WQ, Holmes MV, Lindgren CM, Phillips EJ, Mägi R, Milani L, Fadista J. Genome-wide Study Identifies Association between HLA-B ∗55:01 and Self-Reported Penicillin Allergy. Am J Hum Genet 2020; 107:612-621. [PMID: 32888428 PMCID: PMC7536643 DOI: 10.1016/j.ajhg.2020.08.008] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 08/10/2020] [Indexed: 12/18/2022] Open
Abstract
Hypersensitivity reactions to drugs are often unpredictable and can be life threatening, underscoring a need for understanding their underlying mechanisms and risk factors. The extent to which germline genetic variation influences the risk of commonly reported drug allergies such as penicillin allergy remains largely unknown. We extracted data from the electronic health records of more than 600,000 participants from the UK, Estonian, and Vanderbilt University Medical Center's BioVU biobanks to study the role of genetic variation in the occurrence of self-reported penicillin hypersensitivity reactions. We used imputed SNP to HLA typing data from these cohorts to further fine map the human leukocyte antigen (HLA) association and replicated our results in 23andMe's research cohort involving a total of 1.12 million individuals. Genome-wide meta-analysis of penicillin allergy revealed two loci, including one located in the HLA region on chromosome 6. This signal was further fine-mapped to the HLA-B∗55:01 allele (OR 1.41 95% CI 1.33-1.49, p value 2.04 × 10-31) and confirmed by independent replication in 23andMe's research cohort (OR 1.30 95% CI 1.25-1.34, p value 1.00 × 10-47). The lead SNP was also associated with lower lymphocyte counts and in silico follow-up suggests a potential effect on T-lymphocytes at HLA-B∗55:01. We also observed a significant hit in PTPN22 and the GWAS results correlated with the genetics of rheumatoid arthritis and psoriasis. We present robust evidence for the role of an allele of the major histocompatibility complex (MHC) I gene HLA-B in the occurrence of penicillin allergy.
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Affiliation(s)
- Kristi Krebs
- Estonian Genome Center, Institute of Genomics, University of Tartu, Tartu 51010, Estonia; Institute of Molecular and Cell Biology, University of Tartu, Tartu 51010, Estonia
| | - Jonas Bovijn
- Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7BN, UK; Big Data Institute at the Li Ka Shing Centre for Health Information and Discovery, University of Oxford, Oxford OX3 7FZ, UK
| | - Neil Zheng
- Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Maarja Lepamets
- Estonian Genome Center, Institute of Genomics, University of Tartu, Tartu 51010, Estonia; Institute of Molecular and Cell Biology, University of Tartu, Tartu 51010, Estonia
| | - Jenny C Censin
- Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7BN, UK; Big Data Institute at the Li Ka Shing Centre for Health Information and Discovery, University of Oxford, Oxford OX3 7FZ, UK
| | - Tuuli Jürgenson
- Estonian Genome Center, Institute of Genomics, University of Tartu, Tartu 51010, Estonia
| | - Dage Särg
- Institute of Computer Science, University of Tartu, Tartu 51009, Estonia
| | - Erik Abner
- Estonian Genome Center, Institute of Genomics, University of Tartu, Tartu 51010, Estonia
| | - Triin Laisk
- Estonian Genome Center, Institute of Genomics, University of Tartu, Tartu 51010, Estonia
| | - Yang Luo
- Division of Rheumatology, Inflammation and Immunity, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Department of Biomedical Informatics, Harvard Medical School, Boston, MA 02115, USA; Center for Data Sciences, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Line Skotte
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen 2300, Denmark
| | - Frank Geller
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen 2300, Denmark
| | - Bjarke Feenstra
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen 2300, Denmark
| | - Wei Wang
- 23andMe, Inc., Sunnyvale, CA 94086, USA
| | | | - Soumya Raychaudhuri
- Division of Rheumatology, Inflammation and Immunity, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Department of Biomedical Informatics, Harvard Medical School, Boston, MA 02115, USA; Center for Data Sciences, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Centre for Genetics and Genomics Versus Arthritis, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, UK
| | - Tõnu Esko
- Estonian Genome Center, Institute of Genomics, University of Tartu, Tartu 51010, Estonia
| | - Andres Metspalu
- Estonian Genome Center, Institute of Genomics, University of Tartu, Tartu 51010, Estonia
| | - Sven Laur
- Institute of Computer Science, University of Tartu, Tartu 51009, Estonia; STACC, Tartu 51009, Estonia
| | - Dan M Roden
- Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, TN 37232, USA; Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA; Department of Pharmacology, Vanderbilt University School of Medicine, TN 37232, USA
| | - Wei-Qi Wei
- Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Michael V Holmes
- Big Data Institute at the Li Ka Shing Centre for Health Information and Discovery, University of Oxford, Oxford OX3 7FZ, UK; National Institute for Health Research Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital, Oxford OX3 7LE, UK; Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford OX3 7LF, UK; Medical Research Council Population Health Research Unit (MRC PHRU), Nuffield Department of Population Health, University of Oxford, Oxford OX3 7LF, UK
| | - Cecilia M Lindgren
- Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7BN, UK; Big Data Institute at the Li Ka Shing Centre for Health Information and Discovery, University of Oxford, Oxford OX3 7FZ, UK; National Institute for Health Research Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital, Oxford OX3 7LE, UK; Program in Medical and Population Genetics, Broad Institute, Cambridge, MA 02142, USA
| | - Elizabeth J Phillips
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA; Department of Pharmacology, Vanderbilt University School of Medicine, TN 37232, USA; Institute for Immunology & Infectious Diseases, Murdoch University, Murdoch, WA 6150, Australia
| | - Reedik Mägi
- Estonian Genome Center, Institute of Genomics, University of Tartu, Tartu 51010, Estonia
| | - Lili Milani
- Estonian Genome Center, Institute of Genomics, University of Tartu, Tartu 51010, Estonia.
| | - João Fadista
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen 2300, Denmark; Department of Clinical Sciences, Lund University Diabetes Centre, 214 28 Malmö, Sweden; Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Helsinki 00014, Finland
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Jani YH, Williams I, Krishna MT. Sustaining and spreading penicillin allergy delabelling: A narrative review of the challenges for service delivery and patient safety. Br J Clin Pharmacol 2020; 86:548-559. [PMID: 31823385 DOI: 10.1111/bcp.14190] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 11/18/2019] [Accepted: 11/25/2019] [Indexed: 01/09/2023] Open
Abstract
Many patients report allergies to penicillin, although in over 90% of these the label of penicillin allergy is shown to be incorrect following comprehensive testing. Inappropriate and inaccurate penicillin allergy labelling is a barrier to antimicrobial stewardship and can lead to patient harm. This review assesses an emergent evidence base and trend favouring delabelling using direct oral penicillin challenges following a stratified risk assessment of the likelihood and existence of true penicillin allergy, to identify and make recommendations for key components for implementation in standard practice. Research to date has focussed on the feasibility and clinical and financial outcomes of these direct delabelling strategies. There is a paucity of studies exploring the views and engagement of patients and healthcare professionals, and a gap in the evidence for prerequisites to safely deliver, sustain and spread the implementation of such services across health systems.
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Affiliation(s)
- Yogini H Jani
- Centre for Medicines Optimisation Research and Education, UCLH NHS Foundation Trust & UCL School of Pharmacy, London, UK
| | - Iestyn Williams
- Health Services Management Centre, University of Birmingham, Birmingham, West Midlands, UK
| | - Mamidipudi Thirumala Krishna
- University Hospitals Birmingham NHS Foundation Trust and Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, West Midlands, UK
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