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Article

An Evaluation of the Drone Delivery of Adrenaline Auto-Injectors for Anaphylaxis: Pharmacists’ Perceptions, Acceptance, and Concerns

1
Department of Pharmacy, Faculty of Life Sciences & Medicine, Institute of Pharmaceutical Science, King’s College London, 150 Stamford Street, London SE1 9NH, UK
2
Biomolecular Spectroscopy Centre, Optical and Chiroptical Spectroscopy Facility, Kings College London, London SE 11UL, UK
3
Hospital Pharmacy & Medicines Optimisation Team, NHS England London, Skipton House, 80 London Road, London SE1 6LH, UK
4
Tec-connection, Oberlohnstr 3, D78467 Konstanz, Germany
5
Skyports, Unit LG.02, Edinburgh House, 170 Kennington Lane, London SE11 5DP, UK
*
Author to whom correspondence should be addressed.
Drones 2020, 4(4), 66; https://doi.org/10.3390/drones4040066
Received: 9 July 2020 / Revised: 13 September 2020 / Accepted: 14 September 2020 / Published: 9 October 2020
(This article belongs to the Special Issue Drones for Medicine Delivery and Healthcare Logistics)
Anaphylaxis is a life-threatening condition where delays in medical treatment can be fatal. Such situations would benefit from the drone delivery of an adrenaline auto-injector such as EpiPen®. This study evaluates the potential risk, reward, and impact of drone transportation on the stability of adrenaline during episodes of anaphylaxis. Further, this study examines pharmacists’ perceptions on drone delivery—pharmacists approved the use of drones to deliver EpiPen® during emergencies but had concerns with drone safety and supply chain security. Laboratory simulated onboard drone conditions reflected typical missions. In these experiments, in vitro model and pharmaceutical equivalent formulations were subjected independently to 30 min vibrations at 5, 8.43, and 13.33 Hz, and temperature storage at 4, 25, 40, and 65 °C for 0, 0.5, 3, and 24 h. The chiral composition (an indicator of chemical purity that relates to molecular structure) and concentration of these adrenaline formulations were determined using ultraviolet (UV) and circular dichroism spectroscopy (CD). Adrenaline intrinsic stability was also explored by edge-of-failure experimentation to signpost the uppermost limits for safe transportation. During drone flight with EpiPen®, the temperature and vibration g-force were 10.7 °C and 1.8 g, respectively. No adverse impact on adrenaline was observed during drone flight and laboratory-simulated conditions shown by conformation to the British Pharmacopeia standards (p > 0.05 for CD and UV). This study showed that drone delivery of EpiPen® is feasible. There are more than 15,000 community pharmacies and ≈9000 GP surgeries spanning the UK, which are likely to provide achievable ranges and distances for the direct drone delivery of EpiPen®. The authors recommend that when designing future missions, in addition to medicine stability testing that models the stresses imposed by drone flight, one must conduct a perceptions survey on the relevant group of medical professionals, because their insights, acceptance, and concerns are extremely valuable for the design and evaluation of the mission. View Full-Text
Keywords: adrenaline; EpiPen®; stability; chirality; drone delivery; pharmacist; perception adrenaline; EpiPen®; stability; chirality; drone delivery; pharmacist; perception
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MDPI and ACS Style

Beck, S.; Bui, T.T.; Davies, A.; Courtney, P.; Brown, A.; Geudens, J.; Royall, P.G. An Evaluation of the Drone Delivery of Adrenaline Auto-Injectors for Anaphylaxis: Pharmacists’ Perceptions, Acceptance, and Concerns. Drones 2020, 4, 66. https://doi.org/10.3390/drones4040066

AMA Style

Beck S, Bui TT, Davies A, Courtney P, Brown A, Geudens J, Royall PG. An Evaluation of the Drone Delivery of Adrenaline Auto-Injectors for Anaphylaxis: Pharmacists’ Perceptions, Acceptance, and Concerns. Drones. 2020; 4(4):66. https://doi.org/10.3390/drones4040066

Chicago/Turabian Style

Beck, September, Tam T. Bui, Andrew Davies, Patrick Courtney, Alex Brown, Jef Geudens, and Paul G. Royall 2020. "An Evaluation of the Drone Delivery of Adrenaline Auto-Injectors for Anaphylaxis: Pharmacists’ Perceptions, Acceptance, and Concerns" Drones 4, no. 4: 66. https://doi.org/10.3390/drones4040066

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