Dataset Information

Postmarketing trials and pediatric device approvals.

ABSTRACT:

Background

Medical devices can be useful in a variety of diseases, but few devices have been specifically approved for use in children. The 2007 Pediatric Medical Device Safety and Improvement Act was passed to stimulate pediatric device development. The current state of trial evidence underpinning the approval of pediatric devices remains poorly described.

Methods

We identified all high-risk (ie, class III) devices approved through the premarket approval or humanitarian device exemption pathways for therapeutic use in children between 2008 and 2011. We collected key information on clinical trial design (randomization, blinding, controls, and types of end points) as well as age distribution of trial participants. We also identified US Food and Drug Administration (FDA)-mandated postmarketing trials.

Results

Twenty-two devices were approved for use in children via the premarket approval pathway and 3 via the humanitarian device exemption pathway. Twenty-two (88%) qualified as pediatric despite minimum approval ages of ≥18 years (the FDA Center for Devices and Radiologic Health considers patients 18-21 years old as pediatric). Most devices were approved on the basis of nonrandomized (59%), open-label (68%) studies with surrogate effectiveness end points (86%). Overall, 21 (84%) devices were not studied in any patients <18 years of age. Postmarketing studies were mandated by the FDA for 19 (76%) devices, although only 3 (18%) required enrollment of pediatric patients.

Conclusions

Most high-risk pediatric devices are approved on the basis of trials in patients ≥18 years old, with few pediatric patients exposed to the devices before market availability. Few postmarketing studies require additional study in pediatric patients.

SUBMITTER: Hwang TJ

PROVIDER: S-EPMC4531281 | biostudies-literature | 2014 May

REPOSITORIES: biostudies-literature

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Publications

Postmarketing trials and pediatric device approvals.

Hwang Thomas J TJ Kesselheim Aaron S AS Bourgeois Florence T FT

Pediatrics 20140414 5

<h4>Background</h4>Medical devices can be useful in a variety of diseases, but few devices have been specifically approved for use in children. The 2007 Pediatric Medical Device Safety and Improvement Act was passed to stimulate pediatric device development. The current state of trial evidence underpinning the approval of pediatric devices remains poorly described.<h4>Methods</h4>We identified all high-risk (ie, class III) devices approved through the premarket approval or humanitarian device ex ...[more]

PMID: 24733871

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Project description:ImportanceMany medicines prescribed to children have not been studied or formally approved for pediatric use. The Pediatric Research Equity Act of 2003 authorized the US Food and Drug Administration (FDA) to require pediatric clinical studies.ObjectiveTo evaluate the characteristics, completion rate, and transparency of study design and results for mandatory pediatric postmarketing studies required under the Pediatric Research Equity Act.Design and settingA retrospective cohort study was conducted of pediatric postmarketing studies required for new drugs and new indications approved by the FDA between January 1, 2007, and December 31, 2014, with follow-up through December 1, 2017. Information on the status, design, and results of pediatric studies was obtained from publicly available FDA databases and ClinicalTrials.gov, direct communication with the FDA, and searches of MEDLINE, EMBASE, and Web of Science for peer-reviewed publications.Main outcomes and measuresCharacteristics and transparency of pediatric studies, results reporting (in ClinicalTrials.gov, peer-reviewed literature, or FDA documents), and availability of pediatric information in drug labels. Rates and times to study completion were evaluated using Cox proportional hazards regression models.ResultsBetween 2007 and 2014, the FDA approved 114 new drugs and new indications for already approved drugs that were subject to Pediatric Research Equity Act requirements. These drugs were associated with 222 required pediatric postmarketing clinical studies. Overall, 75 pediatric studies (33.8%) were completed as of December 1, 2017. The rates of completion were significantly lower for efficacy studies (38 of 132 [28.8%]) compared with pharmacokinetic studies (19 of 34 [55.9%]; adjusted hazard ratio, 0.31; 95% CI, 0.12-0.82). Information on randomization, blinding, comparator, end point, and study size could not be identified for 74 studies (33.3%), and no reason for discontinuation was provided for 29 of the 42 discontinued studies (69.0%). Among the completed studies, the results were reported for 57 (76.0%). At the time of approval, 18 of 114 drug approvals (15.8%) had any pediatric efficacy, safety, or dosing information in their labels. After a median duration of follow-up of 6.8 years (interquartile range, 4.7-9.1 years), 47 of 114 of drug labels (41.2%) had any pediatric information.Conclusions and relevanceOnly 33.8% of mandatory pediatric postmarketing studies have been completed after a median follow-up of 6.8 years, and most drug labels do not include information important for pediatric use. To improve evidence-based prescribing of medicines to children, more timely completion of pediatric drug studies is needed.

Dataset Information

Postmarketing trials and pediatric device approvals.

Background

Methods

Results

Conclusions

Publications

Postmarketing trials and pediatric device approvals.

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