PMID- 29872264 OWN - NLM STAT- MEDLINE DCOM- 20181211 LR - 20220330 IS - 1177-8881 (Electronic) IS - 1177-8881 (Linking) VI - 12 DP - 2018 TI - Evaluation of the effects of food on levodropropizine controlled-release tablet and its pharmacokinetic profile in comparison to that of immediate-release tablet. PG - 1413-1420 LID - 10.2147/DDDT.S146958 [doi] AB - BACKGROUND: Levodropropizine is a non-opioid antitussive agent that inhibits cough reflex by reducing the release of sensory peptide in the peripheral region. To improve patients' compliance, a controlled-release (CR) tablet is under development. The aim of this study was to compare the pharmacokinetic (PK) profiles of the CR and immediate-release (IR) tablets of levodropropizine. In addition, the effect of food on the PK properties of levodropropizine CR tablet in healthy subjects was evaluated. SUBJECTS AND METHODS: A randomized, open-label, multiple-dose, three-treatment, three-period, six-sequence, crossover study was conducted on 47 healthy subjects. All subjects were randomly assigned to one of the six sequences, which involve combinations of the following three treatments: levodropropizine IR 60 mg three times in the fasted state (R), levodropropizine CR 90 mg two times in the fasted state (T), and levodropropizine CR 90 mg two times in the fed state (TF). Serial blood samples were collected up to 24 h after the first dose. Tolerability was assessed based on the vital signs, adverse events (AEs), and clinical laboratory tests. RESULTS: Levodropropizine CR showed lower maximum drug concentration (C(max)) and similar total exposure compared to levodropropizine IR. The geometric mean ratios (GMRs) (90% confidence intervals [CIs]) of T to R for the C(max) and area under the concentration-time curve from the 0 to 24 h time points (AUC(0-24h)) were 0.80 (0.75-0.85) and 0.89 (0.86-0.93), respectively. In the fed group, levodropropizine CR showed exposure similar to that in the fasted group. The GMRs (90% CIs) of TF to T for the C(max) and AUC(0-24h) were 0.90 (0.85-0.97) and 1.10 (1.05-1.14), respectively. No serious AEs occurred with both levodropropizine CR and IR tablets. CONCLUSION: Total systemic exposure for levodropropizine was similar in subjects receiving the CR and IR formulations in terms of the AUC. Although food delayed the absorption of levodropropizine CR, systemic exposure was not affected. FAU - Lee, Soyoung AU - Lee S AD - Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, Republic of Korea. FAU - Nam, Kyu-Yeol AU - Nam KY AD - College of Pharmacy, Ajou University, Suwon, Republic of Korea. AD - Korea United Pharm Inc., Seoul, Republic of Korea. FAU - Oh, Jaeseong AU - Oh J AD - Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, Republic of Korea. FAU - Lee, SeungHwan AU - Lee S AD - Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, Republic of Korea. FAU - Cho, Sang-Min AU - Cho SM AD - Korea United Pharm Inc., Seoul, Republic of Korea. FAU - Choi, Youn-Woong AU - Choi YW AD - Korea United Pharm Inc., Seoul, Republic of Korea. FAU - Cho, Joo-Youn AU - Cho JY AD - Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, Republic of Korea. FAU - Lee, Beom-Jin AU - Lee BJ AD - College of Pharmacy, Ajou University, Suwon, Republic of Korea. AD - Institute of Pharmaceutical Science and Technology, Ajou University, Suwon, Republic of Korea. FAU - Hong, Jang Hee AU - Hong JH AD - Department of Pharmacology, Chungnam National University Hospital and College of Medicine, Daejeon, Republic of Korea. LA - eng PT - Comparative Study PT - Journal Article PT - Randomized Controlled Trial DEP - 20180523 PL - New Zealand TA - Drug Des Devel Ther JT - Drug design, development and therapy JID - 101475745 RN - 0 (Propylene Glycols) RN - 0 (Tablets) RN - U0K8WHL37U (dipropizine) SB - IM MH - Administration, Oral MH - Adult MH - Cross-Over Studies MH - Drug Tolerance MH - Humans MH - Male MH - Middle Aged MH - Propylene Glycols/administration & dosage/blood/*pharmacokinetics MH - Tablets/administration & dosage/pharmacokinetics MH - Young Adult PMC - PMC5973308 OTO - NOTNLM OT - controlled-release OT - food effect OT - immediate-release OT - pharmacokinetics COIS- Disclosure Kyu-Yeol Nam, Sang-Min Cho and Youn-Woong Choi are employees of Korea United Pharm Inc., Seoul, Republic of Korea. The authors report no other conflicts of interest in this work. EDAT- 2018/06/07 06:00 MHDA- 2018/12/12 06:00 PMCR- 2018/05/23 CRDT- 2018/06/07 06:00 PHST- 2018/06/07 06:00 [entrez] PHST- 2018/06/07 06:00 [pubmed] PHST- 2018/12/12 06:00 [medline] PHST- 2018/05/23 00:00 [pmc-release] AID - dddt-12-1413 [pii] AID - 10.2147/DDDT.S146958 [doi] PST - epublish SO - Drug Des Devel Ther. 2018 May 23;12:1413-1420. doi: 10.2147/DDDT.S146958. eCollection 2018.