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de Oliveira GHO, do Nascimento SB, de Oliveira FM, Belo VS, de Alencar Danda LJ, Soares-Sobrinho JL, Fialho SL, Bedor DCG, de Castro WV. Systematic evaluation of the impact of solid-state polymorphism on the bioavailability of thalidomide. Eur J Pharm Sci 2019; 136:104937. [PMID: 31128208 DOI: 10.1016/j.ejps.2019.05.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 04/24/2019] [Accepted: 05/22/2019] [Indexed: 10/26/2022]
Abstract
Thalidomide (TLD) is used to treat erythema nodosum leprosum (ENL), multiple myeloma, aphthous ulceration and wasting syndrome in HIV patients. The API can be found in two crystalline habits known as α-TLD and β-TLD. The saturation solubility (Cs) and the dissolution profiles under non-sink and sink conditions of both polymorphs were assessed. In addition, mini-capsules containing α-TLD or β-TLD without excipients were orally given (10 mg/kg) to Wistar rats. An intravenous (i.v.) dose was also administrated (5 mg/kg). The Cs values for α-TLD and β-TLD were not significantly different (α = 56.2 ± 0.5 μg·mL-1; β = 55.2 ± 0.2 μg·mL-1). However, the dissolution profile of α-TLD presented the fastest rate and the largest extension of drug dissolution than that from β-TLD (80% in 4 h versus 55% in 4 h). The α-TLD provided a more favorable pharmacokinetic than the β-TLD (maximum plasma concentration - Cmax: 5.4 ± 0.90 μg·mL-1versus 2.6 ± 0.2 μg·mL-1; area under the curve of the concentration-time profile from time zero to infinity - AUC0-∞: 44.3 ± 8.8 μg·h·mL-1versus 33.9 ± 4.7 μg·h·mL-1; absolute bioavailability - F: 92.2 ± 18.5% versus 70.5 ± 9.9%, respectively). Drug suppliers and pharmaceutical companies should strictly control the technological processes involved in the TLD API synthesis as well as in the production of the pharmaceutical dosage form in order to guarantee the inter-batch homogeneity and therefore, product compliance.
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Affiliation(s)
- Guilherme Henrique Onório de Oliveira
- Programa de Pós-graduação em Ciências Farmacêuticas, Universidade Federal de São João del-Rei - UFJS, Av. Sebastião Gonçalves Coelho 400, Chanadour, Divinópolis, MG CEP: 35501-296, Brazil
| | - Sara Batista do Nascimento
- Programa de Pós-graduação em Ciências Farmacêuticas, Universidade Federal de São João del-Rei - UFJS, Av. Sebastião Gonçalves Coelho 400, Chanadour, Divinópolis, MG CEP: 35501-296, Brazil
| | - Flávio Martins de Oliveira
- Programa de Pós-graduação em Ciências da Saúde, Universidade Federal de São João del-Rei - UFJS, Av. Sebastião Gonçalves Coelho 400, Chanadour, Divinópolis, MG CEP: 35501-296, Brazil
| | - Vinícius Silva Belo
- Programa de Pós-graduação em Ciências da Saúde, Universidade Federal de São João del-Rei - UFJS, Av. Sebastião Gonçalves Coelho 400, Chanadour, Divinópolis, MG CEP: 35501-296, Brazil
| | - Lucas José de Alencar Danda
- Núcleo Controle de Qualidade de Medicamentos e Correlatos - NCQMC, Universidade Federal de Pernambuco - UFPE, Av. Artur de Sá, S/N. Cidade Universitária, Recife, PE CEP: 50740-520, Brazil
| | - José Lamartine Soares-Sobrinho
- Núcleo Controle de Qualidade de Medicamentos e Correlatos - NCQMC, Universidade Federal de Pernambuco - UFPE, Av. Artur de Sá, S/N. Cidade Universitária, Recife, PE CEP: 50740-520, Brazil
| | - Silvia Ligório Fialho
- Pharmaceutical Research and Development, Ezequiel Dias Foundation, Rua Conde Pereira Carneiro, 80, Gameleira, Belo Horizonte, MG CEP: 30510-010, Brazil
| | - Danilo César Galindo Bedor
- Núcleo de Desenvolvimento Farmacêutico e Cosmético - NUDFAC, Universidade Federal de Pernambuco, Av. Artur de Sá, S/N. Cidade Universitária, Recife, PE CEP: 50740-520, Brazil
| | - Whocely Victor de Castro
- Programa de Pós-graduação em Ciências Farmacêuticas, Universidade Federal de São João del-Rei - UFJS, Av. Sebastião Gonçalves Coelho 400, Chanadour, Divinópolis, MG CEP: 35501-296, Brazil.
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Lin YR, Wu MH, Chen TY, Syue YJ, Yang MC, Lee TH, Lin CM, Chou CC, Chang CF, Li CJ. Time to epinephrine treatment is associated with the risk of mortality in children who achieve sustained ROSC after traumatic out-of-hospital cardiac arrest. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2019; 23:101. [PMID: 30917838 PMCID: PMC6437972 DOI: 10.1186/s13054-019-2391-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Accepted: 03/11/2019] [Indexed: 12/20/2022]
Abstract
Background The benefits of early epinephrine administration in pediatric with nontraumatic out-of-hospital cardiac arrest (OHCA) have been reported; however, the effects in pediatric cases of traumatic OHCA are unclear. Since the volume-related pharmacokinetics of early epinephrine may differ obviously with and without hemorrhagic shock (HS), beneficial or harmful effects of nonselective epinephrine stimulation (alpha and beta agonists) may also be enhanced with early administration. In this study, we aimed to analyze the therapeutic effect of early epinephrine administration in pediatric cases of HS and non-HS traumatic OHCA. Methods This was a multicenter retrospective study (2003–2014). Children (aged ≤ 19 years) who experienced traumatic OHCA and were administered epinephrine for resuscitation were included. Children were classified into the HS (blood loss > 30% of total body fluid) and non-HS groups. The demographics, outcomes, postresuscitation hemodynamics (the first hour) after the sustained return of spontaneous circulation (ROSC), and survival durations were analyzed and correlated with the time to epinephrine administration (early < 15, middle 15–30, late > 30 min) in the HS and non-HS groups. Cox regression analysis was used to adjust for risk factors of mortality. Results A total of 509 children were included. Most of them (n = 348, 68.4%) had HS OHCA. Early epinephrine administration was implemented in 131 (25.7%) children. In both the HS and non-HS groups, early epinephrine administration was associated with achieving sustained ROSC (both p < 0.05) but was not related to survival or good neurological outcomes (without adjusting for confounding factors). However, early epinephrine administration in the HS group increased cardiac output but induced metabolic acidosis and decreased urine output during the initial postresuscitation period (all p < 0.05). After adjusting for confounding factors, early epinephrine administration was a risk factor of mortality in the HS group (HR 4.52, 95% CI 2.73–15.91). Conclusion Early epinephrine was significantly associated with achieving sustained ROSC in pediatric cases of HS and non-HS traumatic OHCA. For children with HS, early epinephrine administration was associated with both beneficial (increased cardiac output) and harmful effects (decreased urine output and metabolic acidosis) during the postresuscitation period. More importantly, early epinephrine was a risk factor associated with mortality in the HS group.
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Affiliation(s)
- Yan-Ren Lin
- Department of Emergency Medicine, Changhua Christian Hospital, Changhua, Taiwan.,School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Meng-Huan Wu
- Department of Emergency Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, No. 123, Dapi Rd., Niaosong Dist., Kaohsiung, 833, Taiwan
| | - Tren-Yi Chen
- Department of Emergency Medicine, Changhua Christian Hospital, Changhua, Taiwan
| | - Yuan-Jhen Syue
- Department of Anaesthesiology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Mei-Chueh Yang
- Department of Emergency Medicine, Changhua Christian Hospital, Changhua, Taiwan
| | - Tsung-Han Lee
- Department of Emergency Medicine, Changhua Christian Hospital, Changhua, Taiwan
| | - Chih-Ming Lin
- Department of Neurology, Changhua Christian Hospital, Changhua, Taiwan.,Department of Social Work and Child Welfare, Providence University, Taichung, Taiwan.,Department of Medicinal Botanicals and Health Applications, Da-Yeh University, Changhua, Taiwan
| | - Chu-Chung Chou
- Department of Emergency Medicine, Changhua Christian Hospital, Changhua, Taiwan.,School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Chin-Fu Chang
- Department of Emergency Medicine, Changhua Christian Hospital, Changhua, Taiwan
| | - Chao-Jui Li
- Department of Emergency Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, No. 123, Dapi Rd., Niaosong Dist., Kaohsiung, 833, Taiwan. .,Department of Leisure and Sports Management, Cheng Shiu University, Kaohsiung, Taiwan.
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Ma J, Gao Y, Sun Y, Ding D, Zhang Q, Sun B, Wang M, Sun J, He Z. Tissue distribution and dermal drug determination of indomethacin transdermal-absorption patches. Drug Deliv Transl Res 2018; 7:617-624. [PMID: 28534130 DOI: 10.1007/s13346-017-0392-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The tissue distribution and percutaneous drug absorption of indomethacin (IND) patches were studied using commercial IND as a comparison. The concentration of IND in skin, plasma, and muscle in mice was measured by LC-MS/MS, and the IND concentration in the dermis of rats was also monitored by microdialysis. After percutaneous administration, the "double-peak" phenomenon occurred in different tissues, and the IND concentration was ranked as skin first, followed by plasma and then muscle. In particular, skin acted as a reservoir for drug release, and the "secondary hump" in tissue distribution was attributed to the subsequent release of lipophilic IND in skin. It was concluded that examination of the tissue distribution and application of a microdialysis technique provided an effective means of evaluating indomethacin pharmacokinetics.
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Affiliation(s)
- Jingjing Ma
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, China
| | - Ying Gao
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, China
| | - Yinghua Sun
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, China.
| | - Dawei Ding
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, China
| | - Qi Zhang
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, China
| | - Bingjun Sun
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, China
| | - Menglin Wang
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, China
| | - Jin Sun
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, China
| | - Zhonggui He
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, China
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Recent updates of carbapenem antibiotics. Eur J Med Chem 2017; 131:185-195. [PMID: 28324783 DOI: 10.1016/j.ejmech.2017.03.022] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 03/01/2017] [Accepted: 03/14/2017] [Indexed: 11/23/2022]
Abstract
Carbapenems are among the most commonly used and the most efficient antibiotics since they are relatively resistant to hydrolysis by most β-lactamases, they target penicillin-binding proteins, and generally have broad-spectrum antibacterial effect. In this review, we described the initial discovery and development of carbapenems, chemical characteristics, in vitro/in vivo activities, resistance studies, and clinical investigations for traditional carbapenem antibiotics in the market; imipenem-cilastatin, meropenem, ertapenem, doripenem, biapenem, panipenem/betamipron in addition to newer carbapenems such as razupenem, tebipenem, tomopenem, and sanfetrinem. We focused on the literature published from 2010 to 2016.
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Pickering MK, Brown SD. Assays for determination of ertapenem for applications in therapeutic drug monitoring, pharmacokinetics and sample stability. Biomed Chromatogr 2014; 28:1525-31. [DOI: 10.1002/bmc.3301] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2014] [Revised: 06/24/2014] [Accepted: 07/07/2014] [Indexed: 12/31/2022]
Affiliation(s)
- Matthew K. Pickering
- Bill Gatton College of Pharmacy, East Tennessee State University; Department of Pharmaceutical Sciences; Johnson City TN USA
| | - Stacy D. Brown
- Bill Gatton College of Pharmacy, East Tennessee State University; Department of Pharmaceutical Sciences; Johnson City TN USA
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