Challenges in Children's Medicine Treatments: From Off-Label Use to Extemporaneous Formulations

A special issue of Children (ISSN 2227-9067). This special issue belongs to the section "Global Pediatric Health".

Deadline for manuscript submissions: closed (15 July 2022) | Viewed by 18659

Special Issue Editors


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Guest Editor
Division of Paediatric Infectious Diseases, Department of Women's and Children's Health, University-Hospital of Padua, Via Giustiniani 3, 35128 Padua, Italy
Interests: infectious diseases; clinical research; HIV; antiviral treatment; vaccines
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Division of Paediatric Infectious Diseases, Department of Women's and Children's Health, University-Hospital of Padua, Via Giustiniani 3, 35128 Padua, Italy
Interests: pharmacoepidemiology; antimicrobial stewardship; vaccines; health policy intervention; primary care; real-world data
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Immunology and Infectious Diseases, Programme for HIV Prevention and Treatment (PHPT)/IRD, Boston, MA 02115, USA
Interests: clinical research; paediatrics; HIV

Special Issue Information

Dear Colleagues,

Many medicines of major clinical importance for children are still missing, or have not been readily tested, officially approved for use, or appropriately formulated for children, especially for the very young. To tackle this gap, medicines are often used off-label for an unapproved indication or in an unapproved age group, dosage, or route of administration or prepared extemporaneously either from the active ingredients and excipients or by modifying adult formulations. In the first case the main challenges are dosing, acceptability, and safety, while issues with extemporaneously prepared medicines also include formulation quality, especially chemical and microbiological stability.

With this Special Issue we want to gather evidence on which medicine formulations are not appropriate for children, on the challenges faced by health care professionals and patients when using medicines, and on the solutions that have been found.

In particular, we would like to encourage field practitioners, researchers, and experts to submit manuscripts related to the following topics:

  • Off-label use of medicines;
  • Extemporaneous preparations;
  • Dosing and safety of medicines;
  • Medicine formulations’ acceptability including complexities in using the devices;
  • Usability by caregivers, including complexities in determining the dose.

Prof. Dr. Carlo Giaquinto
Dr. Elisa Barbieri
Dr. Marc Lallemant
Guest Editors

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Keywords

  • off-label use
  • pediatric medicines development
  • extemporaneous formulations
  • dosing regimens
  • therapeutic drug monitoring
  • adverse events
  • formulation acceptability
  • medical device use

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Published Papers (8 papers)

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Research

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9 pages, 1596 KiB  
Article
Acceptability of Prednisolone in an Open-Label Randomised Cross-Over Study—Focus on Formulation in Children
by Sissel Sundell Haslund-Krog, Inger Merete Jørgensen, Kim Dalhoff and Helle Holst
Children 2022, 9(8), 1236; https://doi.org/10.3390/children9081236 - 16 Aug 2022
Cited by 2 | Viewed by 1671
Abstract
Developing acceptable medicines for children is a complicated task. Several factors must be considered, including age, physiology, texture preference, formulation, and legal framework among others. In the development of new paediatric medicines, these factors are assessed. However, for older medicines, e.g., prednisolone, acceptability [...] Read more.
Developing acceptable medicines for children is a complicated task. Several factors must be considered, including age, physiology, texture preference, formulation, and legal framework among others. In the development of new paediatric medicines, these factors are assessed. However, for older medicines, e.g., prednisolone, acceptability is still a challenge. This study was an open-label randomised three-arm cross-over study investigating different formulations of prednisolone (crushed tablets, whole tablets, and oral solution) in paediatric patients with asthma and asthma-like symptoms. Participants were randomised into two different formulations on two consecutive days. For each formulation, the child or caregiver was asked to evaluate acceptability using a modified five-point Wong Baker Face scale. An analysis of variance (ANOVA) model was used to test for significance. For the 41 children, included mean age was 4.7 years (SD ± 3.6), and mean weight was 21 kg (SD ± 10.8). Sixty-one percent were boys. The participants were divided accordingly into three age groups: 6 to 23 months (N = 11), 2 to 5 years (N = 14), and 6–11 years (N = 16). The overall acceptability was low, with only 23 out of 71 scores rating the treatment either 1 or 2 (32%). The ANOVA test showed a significant difference in acceptability score between crushed tablets and whole tablets (p < 0.003). The mean acceptability score for the crushed tablet was the least favourable at 3.9 compared to oral solution (3.1), oro-dispersible tablet (2.8), and whole tablets (2.4). This is problematic in long-term treatment and for the youngest children who cannot swallow tablets. The improvement of age-appropriate and acceptable formulations is necessary. Full article
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13 pages, 244 KiB  
Article
Systems Challenges in Accessing Medicines among Children under Thailand’s Universal Health Coverage: A Qualitative Study of a Provincial Public Hospital Network
by Rangsan Daojorn, Puckwipa Suwannaprom, Siritree Suttajit, Penkarn Kanjanarat, Prangtong Tiengket and Marc Lallemant
Children 2022, 9(4), 552; https://doi.org/10.3390/children9040552 - 13 Apr 2022
Cited by 2 | Viewed by 2227
Abstract
Lack of access to child-appropriate medicines results in off-label use. This study aimed to explore medicine management for paediatric patients and to highlight the challenges of the healthcare system under the universal health coverage of Thailand. Semi-structured interviews were conducted with 35 healthcare [...] Read more.
Lack of access to child-appropriate medicines results in off-label use. This study aimed to explore medicine management for paediatric patients and to highlight the challenges of the healthcare system under the universal health coverage of Thailand. Semi-structured interviews were conducted with 35 healthcare practitioners working in the public hospital network of Chiang Mai province from February to September 2020. Participants were asked about their experiences in managing the medicine supply for children. Findings revealed that paediatric patients had limited access to age-appropriate medicines. Children’s medicines are rarely selected for inclusion into hospital formularies because of constraining regulations and limited budgets. Additionally, child-appropriate formulations are unavailable on the market. Pharmaceutical compounding is unavoidable. Prepared products are provided weekly or monthly because of product stability concerns. Often, tablets are dispensed, and caregivers are instructed to cut up a tablet and disperse it in syrup in order to obtain a smaller dose in a dosage form appropriate for children to use at home. Without systematic support, access to safe and quality medicines for children is limited. Full article
11 pages, 2561 KiB  
Article
Gaps in Accessibility of Pediatric Formulations: A Cross-Sectional Observational Study of a Teaching Hospital in Northern Thailand
by Prangthong Tiengkate, Marc Lallemant, Pimlak Charoenkwan, Chaisiri Angkurawaranon, Penkarn Kanjanarat, Puckwipa Suwannaprom and Phetlada Borriharn
Children 2022, 9(3), 301; https://doi.org/10.3390/children9030301 - 22 Feb 2022
Cited by 8 | Viewed by 2534
Abstract
The lack of appropriate medicines for children has a significant impact on health care practices in various countries around the world, including Thailand. The unavailability of pediatric medicines in hospital formularies causes issues regarding off-label use and extemporaneous preparation, resulting in safety and [...] Read more.
The lack of appropriate medicines for children has a significant impact on health care practices in various countries around the world, including Thailand. The unavailability of pediatric medicines in hospital formularies causes issues regarding off-label use and extemporaneous preparation, resulting in safety and quality risks relating to the use of medicines among children. This research aimed to identify missing pediatric formulations based on the experience of healthcare professionals in a teaching hospital in northern Thailand. A cross-sectional survey was conducted to collect data on missing pediatric formulations, the reasons for their inaccessibility, their off-label uses, their reactions to the situation, and suggestions to improve access to these identified medications. The survey was distributed to all physicians, nurses, and pharmacists involved in prescribing, preparing, dispensing, and administering pediatric medicines. A total of 218 subjects responded to the survey. Omeprazole, sildenafil, and spironolactone suspension were most often identified as missing formulations for children by physicians and pharmacists. They are unavailable on the Thai market or in any hospital formulary. For nurses, sodium bicarbonate, potassium chloride, and chloral hydrate were the most problematic formulations in terms of preparation, acceptability, and administration. These medicines were difficult to swallow because of their taste or texture. Full article
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9 pages, 229 KiB  
Article
Status of Medications Prescribed for Psychiatric Disorders in Korean Pediatric and Adolescent Patients
by In-Woo Jang, Ji-Eun Chang, Jongyoon Kim and Kiyon Rhew
Children 2022, 9(1), 68; https://doi.org/10.3390/children9010068 - 5 Jan 2022
Cited by 1 | Viewed by 1999
Abstract
While mental health services for children are increasing, few psychiatric drugs have been approved for such use. We analyzed claim data from 19,557 South Korean pediatric and adolescent patients (<20 years) who were diagnosed with schizophrenia, bipolar disorder, major depressive disorder, anxiety disorder, [...] Read more.
While mental health services for children are increasing, few psychiatric drugs have been approved for such use. We analyzed claim data from 19,557 South Korean pediatric and adolescent patients (<20 years) who were diagnosed with schizophrenia, bipolar disorder, major depressive disorder, anxiety disorder, attention deficit-hyperactivity disorder (ADHD), or a tic disorder. Among these diseases, depressive episodes were the most common, followed by an anxiety disorder, ADHD, bipolar disorder, tic disorder, and schizophrenia. For each disease, prescriptions were categorized as full-label (approved indication with pediatric dosing in the package insert (PI)), partial-label (approved indication without pediatric dosing in the PI), and contraindication (contraindicated for the specific pediatric age in the PI). For schizophrenia, major depressive disorder, and anxiety disorder, more than 50% of the patients were prescribed partial-labeled medications. Additionally, more than 5% of patients with major depressive disorder were prescribed medications that were contraindicated for their age group. Our findings reveal that children with full-labeled psychiatric conditions are commonly administered drugs that are not explicitly approved for either their disease state or age, including off-label and unlicensed drugs. To use pharmaceuticals more safely, expanding drug indications using real-world data are needed. Full article

Review

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12 pages, 272 KiB  
Review
Current Antithrombotic Therapy Strategies in Children with a Focus on Off-Label Direct Oral Anticoagulants—A Narrative Review
by Stefana Maria Moisa, Laura Mihaela Trandafir, Crischentian Brinza, Ingrith Crenguta Miron, Elena Tarca, Lacramioara Ionela Butnariu and Alexandru Burlacu
Children 2022, 9(7), 1093; https://doi.org/10.3390/children9071093 - 21 Jul 2022
Cited by 7 | Viewed by 3053
Abstract
(1) Background: The incidence of thromboembolic events is relatively low in the general population, but it increases in hospitalized children and those who underwent thrombogenic procedures. Although the evidence regarding direct oral anticoagulants (DOACs) in children with venous thromboembolism (VTE) is growing, DOACs [...] Read more.
(1) Background: The incidence of thromboembolic events is relatively low in the general population, but it increases in hospitalized children and those who underwent thrombogenic procedures. Although the evidence regarding direct oral anticoagulants (DOACs) in children with venous thromboembolism (VTE) is growing, DOACs were excluded from existing guidelines due to the lack of reliable data at that moment. Therefore, current evidence on VTE management in children needs to be critically reviewed. (2) Methods: We have conducted a literature search in the Scopus, EMBASE, and MEDLINE databases using prespecified keywords to retrieve studies published between 2010 and 2022. (3) Results: Clinical trials highlighted that rivaroxaban and dabigatran had predictable pharmacokinetic and pharmacodynamic profiles in children, similar to those observed in adults. Dabigatran and rivaroxaban had a similar safety profile to standard therapy but improved thrombotic burden and resolution during follow-up. Most studies involving apixaban and edoxaban are ongoing, and results are awaited. (4) Conclusions: Dabigatran and rivaroxaban could be valid therapeutic options for VTE management in children. In the case of apixaban and edoxaban, results from ongoing clinical studies are required before using them in pediatric VTE. Full article
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Other

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5 pages, 206 KiB  
Perspective
Creating Data Standards to Support the Electronic Transmission of Compounded Nonsterile Preparations (CNSPs): Perspectives of a United States Pharmacopeia Expert Panel
by Richard H. Parrish II, Scott Ciarkowski, David Aguero, Sandra Benavides, Donna Z. Bohannon, Roy Guharoy and on behalf of the United States Pharmacopeia Compounded Drug Preparation Information Exchange Expert Panel
Children 2022, 9(10), 1493; https://doi.org/10.3390/children9101493 - 29 Sep 2022
Viewed by 1750
Abstract
The perspectives of the Compounded Drug Preparation Information Exchange Expert Panel of the United States Pharmacopeia (CDPIE-EP) on the urgent need to create and maintain data standards to support the electronic transmission of an interoperable dataset for compounded nonsterile preparations (CNSPs) for children [...] Read more.
The perspectives of the Compounded Drug Preparation Information Exchange Expert Panel of the United States Pharmacopeia (CDPIE-EP) on the urgent need to create and maintain data standards to support the electronic transmission of an interoperable dataset for compounded nonsterile preparations (CNSPs) for children and the elderly is presented. The CDPIE-EP encourages all stakeholders associated with the generation, transmission, and preparation of CNSPs, including standards-setting and informatics organizations, to discern the critical importance of accurate transmission of prescription to dispensing the final product and an urgent need to create and adopt a seamless, transparent, interoperable, digitally integrated prescribing and dispensing system benefiting of all patients that need CNSPs, especially for children with special healthcare needs and medical complexity (CSHCN-CMC) and for adults with swallowing difficulties. Lay summary: Current electronic prescription processing standards do not permit the complete transmission of compounded nonsterile preparations (CNSPs) from a prescriber to dispenser. This lack creates multiple opportunities for medication errors, especially at transitions of care for children with medical complexity and adults that cannot swallow tablets and capsules. The United States Pharmacopeia Expert Panel on Compounded Drug Preparation Information Exchange aims to reduce this source of error by creating ways and means for CNSPs to be transmitted within computer systems across the continuum of care. Twitter: Digitizing compounded preparation monographs and NDC-like formulation identifiers in computerized prescription systems will minimize error. Full article
6 pages, 194 KiB  
Case Report
Third-Line Antiretroviral Therapy: What Do We Do When the Appropriate Formulations Are Not Available?
by Lisa Jane Frigati and Helena Rabie
Children 2022, 9(4), 473; https://doi.org/10.3390/children9040473 - 30 Mar 2022
Cited by 1 | Viewed by 1827
Abstract
Children on antiretroviral therapy have limited options, particularly if they are failing therapy and live in resource-poor settings. We describe three cases where children accessed third-line antiretroviral therapy off-label, or used them extemporaneously with successful outcomes. We then review the evidence for performing [...] Read more.
Children on antiretroviral therapy have limited options, particularly if they are failing therapy and live in resource-poor settings. We describe three cases where children accessed third-line antiretroviral therapy off-label, or used them extemporaneously with successful outcomes. We then review the evidence for performing this measure. There is an urgent need for appropriate formulations to treat young children who require a third-line or salvage regimen. Full article
6 pages, 352 KiB  
Case Report
Daptomycin for Treatment of S. Epidermidis Endocarditis in an Extremely Preterm Neonate—Outcome and Perspectives
by Chiara Minotti, Ilaria Zuccon, Elena Priante, Luca Bonadies, Costanza Di Chiara, Daniele Donà, Eugenio Baraldi and Paola Costenaro
Children 2022, 9(4), 457; https://doi.org/10.3390/children9040457 - 24 Mar 2022
Cited by 3 | Viewed by 2327
Abstract
With a considerable morbidity and mortality burden, infective endocarditis still represents a challenge for clinicians. This is a case of persistent Staphylococcus epidermidis endocarditis in an extremely preterm newborn. The infection, initially treated with vancomycin, was successfully cured with daptomycin. Its use was [...] Read more.
With a considerable morbidity and mortality burden, infective endocarditis still represents a challenge for clinicians. This is a case of persistent Staphylococcus epidermidis endocarditis in an extremely preterm newborn. The infection, initially treated with vancomycin, was successfully cured with daptomycin. Its use was safe and effective, ensuring a complete remission without adverse effects. Full article
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