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Ease of Use, Preference, and Safety of the Recombinant Human Growth Hormone Disposable Pen Compared with the Reusable Device: A Multicenter, Single-Arm, Open-Label, Switch-Over, Prospective, Phase IV Trial

Authors Lee JE, Kim SY, Yoo JH, Hwang IT, Lim JS, Yi KH, Rhie YJ, Lee GM, Nam HK, Chae HW, Kim EY, Cheon CK, Lee J, Shim YS, Lee Y, Kim EY, Hwang JS

Received 5 September 2019

Accepted for publication 5 December 2019

Published 20 December 2019 Volume 2019:13 Pages 2195—2205

DOI https://doi.org/10.2147/PPA.S229536

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Johnny Chen


Ji-Eun Lee,1 Se Young Kim,2 Jae-Ho Yoo,3 Il Tae Hwang,4 Jung Sub Lim,5 Kyung Hee Yi,6 Young-Jun Rhie,7 Gyung Min Lee,8 Hyo-Kyoung Nam,9 Hyun Wook Chae,10 Eun Young Kim,11 Chong Kun Cheon,12 Jieun Lee,13 Young Suk Shim,14 YuJin Lee,15 Eun Young Kim,15 Jin Soon Hwang16

1Department of Pediatrics, Inha University Hospital, Inha University Graduate School of Medicine, Incheon, Republic of Korea; 2Department of Pediatrics & Adolescent Medicine, Bundang Jeseang General Hospital, Daejin Medical Center, Seongnam, Republic of Korea; 3Department of Pediatrics, Dong-a University Hospital, Dong-a University College of Medicine, Busan, Republic of Korea; 4Department of Pediatrics, Kangdong Sacred Heart Hospital, Hallym University, College of Medicine, Seoul, Republic of Korea; 5Department of Pediatrics, Korea Cancer Center Hospital, Seoul, Republic of Korea; 6Department of Pediatrics, Wonkwang University Sanbon Medical Center, Gunpo, Republic of Korea; 7Department of Pediatrics, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Republic of Korea; 8Department of Pediatrics, Konyang University Hospital, Daejeon, Republic of Korea; 9Department of Pediatrics, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Republic of Korea; 10Department of Pediatrics, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea; 11Department of Pediatrics, Chosun University Hospital, Chosun University School of Medicine, Gwangju, Republic of Korea; 12Department of Pediatrics, Pusan National University Children’s Hospital, Pusan National University School of Medicine, Yangsan, Republic of Korea; 13Department of Pediatrics, Inje University Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Republic of Korea; 14Department of Pediatrics & Adolescent Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Republic of Korea; 15Life Sciences, LG Chem, Ltd., Seoul, Republic of Korea; 16Department of Pediatrics & Adolescent Medicine, Ajou University Hospital, Ajou University School of Medicine, Suwon, Republic of Korea

Correspondence: Jin Soon Hwang
Department of Pediatrics & Adolescent Medicine, Ajou University Hospital, Ajou University School of Medicine, 164, World cup-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do 16499, Republic of Korea
Tel +82 31 219 5166
Fax +82 31 219 5169
Email pedhwang@ajou.ac.kr

Purpose: To assess the usability and safety of the disposable pen compared to those of reusable devices in patients receiving recombinant human growth hormone (rhGH) treatment.
Patients and methods: This study was a multicenter, single-arm, open-label, switch-over, prospective, Phase IV trial. After screening, eligible patients who were previously treated with rhGH using a reusable device were enrolled to receive treatment with the disposable pen for 8 weeks. The ease of use, preference, and tolerability of the disposable pen compared to those of the reusable device were assessed by the subjects and/or their caregivers using a questionnaire. Adverse events were evaluated by the investigators.
Results: Of 116 subjects enrolled in this study, 115 received treatment with the disposable pen and 109 completed the study. The mean age of the subjects was 9.4 years. Compared to the previous reusable device, the disposable pen was assessed as significantly easier to use (mean value 7.88, 95% confidence interval (CI) [7.45–8.30] on a numerical scale ranging from 0 (far less easy) to 10 (far easier)). Furthermore, the percentage of subjects who preferred the disposable pen to the previously used reusable device was 75.7% (95% CI [67.6%–83.8%]). The percentages of subjects who rated pain and discomfort at the injection site as “not at all” were higher after using the disposable pen compared to the reusable device. No specific safety concerns were identified.
Conclusion: The disposable pen is easier to use than the reusable devices and is preferred by approximately 75% of patients receiving rhGH treatment. Moreover, the disposable pen is safe and acceptable. Therefore, it could be a good alternative to reusable devices. The disposable pen is expected to provide benefits to patients receiving rhGH treatment.
Clinicaltrials.gov identifier: NCT03015909.

Keywords: growth hormone, disposable equipment, patient preference, usability, safety

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