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Nguyen-Thi PT, Vo TK, Le HT, Nguyen NTT, Nguyen TT, Van Vo G. Translation from Preclinical Research to Clinical Trials: Transdermal Drug Delivery for Neurodegenerative and Mental Disorders. Pharm Res 2024; 41:1045-1092. [PMID: 38862719 DOI: 10.1007/s11095-024-03718-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Accepted: 05/19/2024] [Indexed: 06/13/2024]
Abstract
Neurodegenerative diseases (NDs), particularly dementia, provide significant problems to worldwide healthcare systems. The development of therapeutic materials for various diseases has a severe challenge in the form of the blood-brain barrier (BBB). Transdermal treatment has recently garnered widespread favor as an alternative method of delivering active chemicals to the brain. This approach has several advantages, including low invasiveness, self-administration, avoidance of first-pass metabolism, preservation of steady plasma concentrations, regulated release, safety, efficacy, and better patient compliance. Topics include the transdermal method for therapeutic NDs, their classification, and the mechanisms that allow the medicine to enter the bloodstream through the skin. The paper also discusses the obstacles and potential outcomes of transdermal therapy, emphasizing the benefits and drawbacks of different approaches.
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Affiliation(s)
| | - Tuong Kha Vo
- Department of Sports Medicine, University of Medicine and Pharmacy (VNU-UMP), Vietnam National University Hanoi, Hanoi, 100000, Vietnam
| | - Huong Thuy Le
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City, 700000, Vietnam
| | - Nhat Thang Thi Nguyen
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City, 71420, Vietnam.
| | - Thuy Trang Nguyen
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City, 71420, Vietnam
| | - Giau Van Vo
- Degenerative Diseases Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, 92037, USA.
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Morte A, Vaqué A, Iniesta M, Schug B, Koch C, De la Torre R, Schurad B. Bioavailability Study of a Transdermal Patch Formulation of Rivastigmine Compared with Exelon in Healthy Subjects. Eur J Drug Metab Pharmacokinet 2022; 47:567-578. [PMID: 35696054 DOI: 10.1007/s13318-022-00778-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/05/2022] [Indexed: 11/03/2022]
Abstract
BACKGROUND AND OBJECTIVES Rivastigmine is a reversible cholinesterase inhibitor indicated for the treatment of all stages of Alzheimer's disease (AD). Transdermal patch formulation allows smooth and continuous drug delivery. Its tolerability, efficacy and convenience of use increase treatment compliance. This study was designed to evaluate the bioavailability and to assess the bioequivalence of two rivastigmine transdermal patches at steady state (RIV-TDS Test Product versus Exelon Marketed Reference Product), with a release rate of 13.3 mg/24 h, after multiple patch applications. As secondary objectives, safety, patch adhesion and skin irritation were evaluated. METHODS This was an open-label, randomized, balanced, two-period, two-sequence, cross-over study of healthy adults (n = 31). The treatment period consisted of two 5-day study periods during which consecutive daily application of the investigational patches with a release rate of 13.3 mg/24 h rivastigmine took place. Serial blood samples were collected to measure plasma concentrations. Adhesion and skin irritation assessments were performed after application of patches. RESULTS Point estimates and 90% confidence intervals of pharmacokinetic parameters at steady state, viz. area under the plasma concentration versus time curve from dosing time to the end of the dosing interval τ (profile day) at steady state [AUC0-τ,ss] (97.4; 88.8-106.9), maximum plasma concentration within the dosing interval τ (profile day) at steady state [Cmax,ss] (99.6; 90.4-109.7) and trough plasma concentration at the end of the dosing interval τ (profile day) at steady state [Cτ,ss] (96.8; 86.2-108.9), demonstrated that both patches were bioequivalent. Evaluation of patch adhesion showed better skin adherence for RIV-TDS as well as dermal response scores (skin tolerability after removal). CONCLUSIONS For both products, bioequivalence was shown and systemic tolerability was in accordance with the safety profile of the drug substance. The trial is registered in ClinicalTrials.gov: NCT03573050 and EudraCT: 2018-000968-28.
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Affiliation(s)
- Adelaida Morte
- ESTEVE Pharmaceuticals SA, Torre Esteve, Passeig de la Zona Franca, 109, 4ª Planta, 08038, Barcelona, Spain
| | - Anna Vaqué
- ESTEVE Pharmaceuticals SA, Torre Esteve, Passeig de la Zona Franca, 109, 4ª Planta, 08038, Barcelona, Spain
| | - Marc Iniesta
- ESTEVE Pharmaceuticals SA, Torre Esteve, Passeig de la Zona Franca, 109, 4ª Planta, 08038, Barcelona, Spain.
| | - Barbara Schug
- SocraTec R&D GmbH, Im Setzling 35, 61440, Oberursel, Germany
| | - Cornelius Koch
- SocraTec R&D GmbH, Im Setzling 35, 61440, Oberursel, Germany.,Luye Pharma Switzerland AG, Basel, Switzerland
| | - Rafael De la Torre
- Grup de Recerca en Farmacologia Integrada i Neurociencia de Sistemes, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Dr Aiguader 88, Barcelona, Spain
| | - Bjoern Schurad
- Luye Pharma AG, Am Windfeld 35, 83714, Miesbach, Germany.
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High performance liquid chromatography coupled with mass spectrometry for simultaneous determination of rivastigmine and its metabolite in rat plasma. ACTA CHROMATOGR 2021. [DOI: 10.1556/1326.2021.00989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Abstract
Several studies on the pharmacokinetic parameters of antidementia drugs have reported that plasma concentration is linked to the drugs’ efficacy and adverse effects. At present, there is no quantitation method that is highly sensitive and can be applied to simultaneous monitoring of the pharmacokinetics of rivastigmine and its metabolites (NAP 226-90) in rat plasma. No methods fulfilling the assay validation requirements of the US Food and Drug Administration and the European Medicines Agency was also established. Therefore, this study developed a quantitative method for measuring rivastigmine and NAP 226-90 concentrations using high-performance liquid chromatography and tandem mass spectrometry, examining plasma samples after rivastigmine administration. Rat plasma samples were prepared via the protein precipitation method. The methods for measuring rivastigmine and NAP 226-90 concentrations showed good fit over wide ranges of 1–100 ng mL−1 and 0.5–50 ng mL−1, with lower limits of quantification at 1 ng mL−1 and 0.5 ng mL−1, respectively. The plasma concentrations of rivastigmine and NAP 226-90 in six healthy rats were successfully determined, demonstrating the feasibility of applying the developed method. Thus, this research has successfully developed a sensitive, selective method, to simultaneously quantify rivastigmine and NAP 226-90 concentrations in rat plasma and be applicable to a pharmacokinetic study.
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Reinhardt F, Scarmeas N, Karan R, Veldandi UK, Modali S, Duvvuri K, Pathan RK. Real-world Utilisation of the Rivastigmine Transdermal Patches Accompanying the use of Risk Minimisation Tools in Patients with Dementia. Curr Alzheimer Res 2021; 18:273-282. [PMID: 34279198 DOI: 10.2174/1567205018666210716120540] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 01/14/2021] [Accepted: 03/17/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Transdermal patches are convenient to use, especially in patients with Alzheimer's disease (AD)-associated dementia. However, various identified risks of errors in ad- ministering the patches cannot be disregarded. Patient Reminder Cards (PRCs, included a Medica- tion record sheet [MRS]) have been recently introduced as a risk minimisation tool to prevent incor- rect patch use (IU). OBJECTIVES This study aimed to assess the effectiveness of PRCs to prevent IU and to investigate the dose titration pattern of rivastigmine patches in a real-world setting. METHODS This multinational, observational, 11-month study included patients with AD currently using rivastigmine patches (4.6 mg/day, 9.5 mg/day, 13.3 mg/day) accompanied by a caregiver. Study outcomes were IU, including multiple patch use (MPU), incorrect patch placement, other IUs, perceived usefulness of the PRCs, and titration patterns of the patches. RESULTS Of the total 614 patients included, most were aged ≥65 years and had mild-to-moderate AD. Before and during the study, 27.7% and 18.0% of patients reported IU, respectively. Most pa- tients used MRS, and 73.5% rated it 'helpful' and reported lower rates of IU than those who report- ed it 'not helpful' (13.9%-16.5% vs. 20.2%). Overall, 141 patients had dose titrations, with 75.8% being up-titrated from 4.6 mg/day to 9.5 mg/day after a mean duration of 58 days. Safety findings were consistent with the established profile for the rivastigmine patch. CONCLUSION PRC was effective as a risk minimisation tool in limiting the inappropriate use of ri- vastigmine patches. The majority of patients requiring dose-change were up-titrated to 9.5 mg/day patches.
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Affiliation(s)
| | - Nikolaos Scarmeas
- 1st Department of Neurology, Aiginition Hospital, National and Kapodistrian University of Athens Medical School, Athens. Greece
| | - Rajesh Karan
- Global Program Clinical Head, Novartis Pharma AG. Switzerland
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Abstract
Introduction: Hallucinations in Parkinson's disease are common, can complicate medication management and significantly impact upon the quality of life of patients and their carers.Areas covered: This review aims to examine current evidence for the management of hallucinations in Parkinson's disease.Expert opinion: Treatment of hallucinations in Parkinson's disease should be both individualized and multifaceted. Screening, education, medication review and the avoidance of common triggers are important. For well-formed visual hallucinations, acetylcholinesterase inhibitors are recommended first-line. Refractory or severe symptoms may require the cautious use of atypical antipsychotics. Antidepressants may be beneficial in the appropriate setting. Unfortunately, current therapies for hallucinations offer only limited benefits and future research efforts are desperately required to improve the management of these challenging symptoms.
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Affiliation(s)
- Alice Powell
- ForeFront Parkinson's Disease Research Clinic, Brain and Mind Centre, School of Medical Sciences, the University of Sydney, Camperdown, Australia.,Department of Geriatric Medicine, Prince of Wales Hospital, Randwick, Australia
| | - Elie Matar
- ForeFront Parkinson's Disease Research Clinic, Brain and Mind Centre, School of Medical Sciences, the University of Sydney, Camperdown, Australia
| | - Simon J G Lewis
- ForeFront Parkinson's Disease Research Clinic, Brain and Mind Centre, School of Medical Sciences, the University of Sydney, Camperdown, Australia
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Nguyen K, Hoffman H, Chakkamparambil B, Grossberg GT. Evaluation of rivastigmine in Alzheimer's disease. Neurodegener Dis Manag 2020; 11:35-48. [PMID: 33198569 DOI: 10.2217/nmt-2020-0052] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Dementia is the major cause of mortality and morbidity in older adults, with Alzheimer's disease (AD) being the most common cause. AD has a significant impact on economic and psychosocial status. Cholinesterase inhibitors (ChEIs) are currently the mainstay in the management of AD. Rivastigmine is the only ChEI that inhibits both acetylcholinesterase and butyrylcholinesterase enzymes in the brain. This dual inhibition makes it potentially more effective for AD patients. Its availability as both a transdermal formulation and oral capsule, may improve adherence rates and care giver satisfaction compared with other ChEIs. To date, the data from randomized clinical trials and post marketing observational studies have shown evidence for an impact on cognitive functions in AD with good safety and tolerability.
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Affiliation(s)
- Kevin Nguyen
- Department of Psychiatry and Behavioral Neuroscience, Saint Louis University School of Medicine, Saint Louis, MI 63104, USA
| | - Heidi Hoffman
- Department of Psychiatry and Behavioral Neuroscience, Saint Louis University School of Medicine, Saint Louis, MI 63104, USA
| | | | - George T Grossberg
- Department of Psychiatry and Behavioral Neuroscience, Saint Louis University School of Medicine, Saint Louis, MI 63104, USA
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Cacabelos R. Pharmacogenetic considerations when prescribing cholinesterase inhibitors for the treatment of Alzheimer's disease. Expert Opin Drug Metab Toxicol 2020; 16:673-701. [PMID: 32520597 DOI: 10.1080/17425255.2020.1779700] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Cholinergic dysfunction, demonstrated in the late 1970s and early 1980s, led to the introduction of acetylcholinesterase inhibitors (AChEIs) in 1993 (Tacrine) to enhance cholinergic neurotransmission as the first line of treatment against Alzheimer's disease (AD). The new generation of AChEIs, represented by Donepezil (1996), Galantamine (2001) and Rivastigmine (2002), is the only treatment for AD to date, together with Memantine (2003). AChEIs are not devoid of side-effects and their cost-effectiveness is limited. An option to optimize the correct use of AChEIs is the implementation of pharmacogenetics (PGx) in the clinical practice. AREAS COVERED (i) The cholinergic system in AD, (ii) principles of AD PGx, (iii) PGx of Donepezil, Galantamine, Rivastigmine, Huperzine and other treatments, and (iv) practical recommendations. EXPERT OPINION The most relevant genes influencing AChEI efficacy and safety are APOE and CYPs. APOE-4 carriers are the worst responders to AChEIs. With the exception of Rivastigmine (UGT2B7, BCHE-K), the other AChEIs are primarily metabolized via CYP2D6, CYP3A4, and UGT enzymes, with involvement of ABC transporters and cholinergic genes (CHAT, ACHE, BCHE, SLC5A7, SLC18A3, CHRNA7) in most ethnic groups. Defective variants may affect the clinical response to AChEIs. PGx geno-phenotyping is highly recommended prior to treatment.
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Affiliation(s)
- Ramón Cacabelos
- Department of Genomic Medicine, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine , Bergondo, Corunna, Spain
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