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He Z, Zhang Y, Liu Z, Guo T, Ai X, He Y, Hou X, Feng N. Synergistic treatment of androgenetic alopecia with follicular co-delivery of minoxidil and cedrol in metal-organic frameworks stabilized by covalently cross-linked cyclodextrins. Int J Pharm 2024; 654:123948. [PMID: 38417724 DOI: 10.1016/j.ijpharm.2024.123948] [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: 11/01/2023] [Revised: 02/03/2024] [Accepted: 02/25/2024] [Indexed: 03/01/2024]
Abstract
Androgenetic alopecia seriously affects the physical and mental health of patients. The main clinical therapeutic agent, minoxidil tincture, is challenged by solvent irritation and dose-dependent side effects. Our recent work has identified a biosafety natural product, cedrol, that is synergistic in combination with minoxidil, thereby improving medication safety by substantially reducing the clinical dose of minoxidil. In addition, ccross-linked CD-MOF were designed as carriers for hair follicle delivery, and γ-CD in the carriers was cross-linked by diphenyl carbonate with covalent bonds to protect the CD-MOF from rapid disintegration in an aqueous environment. This improved nanocarrier has a drug loading of 25%, whereas nanocarriers increased drug delivery to the hair follicles through ratchet effect, and increased human dermal papilla cells uptake of drugs via endocytosis pathways mainly mediated by lattice proteins, energy-dependent active transport, and lipid raft-dependent, thus improved cell viability, proliferation, and migration, followed by significantly enhancing the anti-androgenetic alopecia effect, with cedrol focusing on inhibiting 5α-reductase and activating Shh/Gli pathway, and minoxidil, which up-regulated VEGF, down-regulated TGF-β, and activated ERK/AKT pathway. This drug combination provides a new therapeutic strategy for androgenetic alopecia, while the newly developed cross-linked CD-MOF has been shown to serve as a promising follicular delivery vehicle.
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Affiliation(s)
- Zehui He
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan Province, China
| | - Yongtai Zhang
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Zhenda Liu
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Teng Guo
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xinyi Ai
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yuanzhi He
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xiaolin Hou
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Nianping Feng
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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Nguyen DD, Li T, Ferreira R, Baker Berjaoui M, Nguyen ALV, Chughtai B, Zorn KC, Bhojani N, Elterman D. Ablative minimally invasive surgical therapies for benign prostatic hyperplasia: A review of Aquablation, Rezum, and transperineal laser prostate ablation. Prostate Cancer Prostatic Dis 2024; 27:22-28. [PMID: 37081044 DOI: 10.1038/s41391-023-00669-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/23/2023] [Accepted: 04/04/2023] [Indexed: 04/22/2023]
Abstract
INTRODUCTION Benign prostatic hyperplasia (BPH) is one of the most common diseases affecting men and can present with bothersome lower urinary tract symptoms (LUTS). Historically, transurethral resection of the prostate (TURP) has been considered the gold standard in the treatment of LUTS due to BPH. However, TURP and other traditional options for the surgical management of LUTS secondary to BPH are associated with high rates of sexual dysfunction. In the past decade, several novel technologies, including Aquablation therapy, convective water vapor therapy (Rezum), and transperineal prostate laser ablation (TPLA), have demonstrated promising evidence to be safe and effective while preserving sexual function. METHODS In this review, we discuss three ablative minimally invasive surgeries: Aquablation, Rezum, and TPLA. We review their techniques, safety, as well as perioperative and functional outcomes. We go into further detail regarding sexual function after these ablative minimally invasive surgical therapies. RESULTS Aquablation is a surgeon-guided, robot-executed, heat-free ablative waterjet procedure with sustained functional outcomes at 5 years while having no effect on sexual activity. Rezum is an innovative office-based, minimally invasive surgical option for BPH that delivers convective water vapor energy into prostate adenoma to ablate obstructing tissue. Rezum leads to significant improvements in Qmax, IPSS while preserving sexual function. TPLA is another office-based technology which uses a diode laser source to produce thermoablation. It leads to improvement in Qmax, IPSS, and QoL while preserving ejaculatory function. CONCLUSIONS Overall, ablative minimally invasive surgical therapies have demonstrated excellent safety and efficacy profiles while preserving sexual function. These modalities should be discussed with patients to ensure informed and shared decision-making. Ablative minimally invasive surgical therapies may be particularly interesting to patients who value the preservation of their sexual function.
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Affiliation(s)
- David-Dan Nguyen
- Division of Urology, Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Tiange Li
- Division of Urology, Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Roseanne Ferreira
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, ON, Canada
| | | | - Anna-Lisa V Nguyen
- Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Bilal Chughtai
- Department of Urology, Weill Cornell Medical College, New York, NY, USA
| | - Kevin C Zorn
- Division of Urology, Centre Hospitalier de l'Université de Montréal (CHUM), Montréal, QC, Canada
| | - Naeem Bhojani
- Division of Urology, Centre Hospitalier de l'Université de Montréal (CHUM), Montréal, QC, Canada
| | - Dean Elterman
- Division of Urology, Department of Surgery, University of Toronto, Toronto, ON, Canada.
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Cho Y, Bea S, Bae JH, Kim DH, Lee JH, Shin JY. Cognitive dysfunction following finasteride use: a disproportionality analysis of the global pharmacovigilance database. Expert Opin Drug Saf 2023:1-7. [PMID: 38112005 DOI: 10.1080/14740338.2023.2294926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 10/31/2023] [Indexed: 12/20/2023]
Abstract
BACKGROUND Finasteride is commonly prescribed for androgenic alopecia and benign prostatic hyperplasia. However, concerns regarding its safety have been growing as cases of cognitive dysfunction have been reported. METHODS A disproportionality analysis was conducted on data collected between 1967 and 2022 to explore the potential association. Cases of cognitive dysfunction associated with finasteride use were identified, and the reporting odds ratio (rOR) was calculated with 95% confidence intervals to determine the strength of the association between the two variables. Sensitivity analyses were conducted to account for confounding by indication. RESULTS Among the 54,766 cases of adverse events reported for finasteride use, 1,624 (2.97%) were associated with cognitive dysfunction. The study found a significant disproportionality for cognitive dysfunction related to finasteride use (rOR 5.43, 95% CI 5.17-5.71). Most cases were considered serious (65.83%), with no signs of recovery (58.37%). Sensitivity analyses showed that patients younger than 45 years (rOR 7.30, 95% CI 6.39-8.35) and those with alopecia (rOR 5.52, 95% CI 5.15-5.91) reported more cognitive dysfunctions than their counterparts. CONCLUSION This study showed an increased reporting of cognitive dysfunction associated with finasteride use, especially among younger alopecia patients. Finasteride should be prescribed with caution, especially to younger alopecia patients.
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Affiliation(s)
- Yongtai Cho
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea
| | - Sungho Bea
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea
| | - Ji-Hwan Bae
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea
| | - Dong Hyun Kim
- Department of Dermatology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, South Korea
| | - Jong Hee Lee
- Department of Dermatology, Sungkyunkwan University, Seoul, South Korea
- Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University, Seoul, South Korea
| | - Ju-Young Shin
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea
- Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University, Seoul, South Korea
- Department of Biohealth Regulatory Science, Sungkyunkwan University, Suwon, South Korea
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Leliefeld HHJ, Debruyne FMJ, Reisman Y. The post-finasteride syndrome: possible etiological mechanisms and symptoms. Int J Impot Res 2023:10.1038/s41443-023-00759-5. [PMID: 37697052 DOI: 10.1038/s41443-023-00759-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 08/22/2023] [Accepted: 08/24/2023] [Indexed: 09/13/2023]
Abstract
Finasteride and dutasteride, synthetic 5α-reductase inhibitors (5ARIs) are recommended in many guidelines for the treatment of benign prostatic hyperplasia/lower urinary tract symptoms and alopecia despite a variety of side effects like sexual, neurological, psychiatric, endocrinological, metabolic and ophthalmological dysfunctions and the increased incidence of high grade prostate cancer. The sexual side effects are common during the use of the drug but in a small subgroup of patients, they can persist after stopping the drug. This so-called post-finasteride syndrome has serious implications for the quality of life without a clear etiology or therapy. Three types of 5α-reductases are present in many organs in- and outside the brain where they can be blocked by the two 5ARIs. There is increasing evidence that 5ARIs not only inhibit the conversion of testosterone to 5α-dihydrotestosterone (DHT) in the prostate and the scalp but also in many other tissues. The lipophilic 5ARIs can pass the blood-brain barrier and might block many other neurosteroids in the brain with changes in the neurochemistry and impaired neurogenesis. Further research and therapeutic innovations are urgently needed that might cure or relieve these side effects. More awareness is needed for physicians to outweigh these health risks against the benefits of 5ARIs.
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Affiliation(s)
- Herman H J Leliefeld
- Andros Clinics The Netherlands, Wilhelminapark 12, 3581 NC, Utrecht, The Netherlands.
| | - Frans M J Debruyne
- Andros Clinics The Netherlands, Mr. E.N. van Kleffenstraat 5, 6842 CV, Arnhem, The Netherlands
| | - Yakov Reisman
- Flare-Health, Oosteinderweg 348, 1432 BE, Aalsmeer, The Netherlands
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Saceda-Corralo D, Domínguez-Santas M, Vañó-Galván S, Grimalt R. What's New in Therapy for Male Androgenetic Alopecia? Am J Clin Dermatol 2023; 24:15-24. [PMID: 36169916 DOI: 10.1007/s40257-022-00730-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/06/2022] [Indexed: 01/29/2023]
Abstract
Male androgenetic alopecia is a common condition and represents a major concern for patients who experience this condition. While there are different treatments to stop hair loss and improve hair density, the 5-alpha reductase inhibitors have demonstrated to be effective in improving androgenetic alopecia in men and can maintain a positive response for many years. Oral finasteride 1 mg is a US FDA-approved option, but dutasteride 0.5 mg has been proven to induce better responses, especially in the frontal area. Both have been shown to be safe in clinical trials but there is widespread concern about sexual adverse effects among patients. The use of topical finasteride has increased during the last few years as a useful option to avoid systemic therapy. The efficacy of topical finasteride 0.25% daily has been demonstrated in clinical trials, with a less marked decrease in serum dihydrotestosterone levels than with oral intake. Mesotherapy with dutasteride has also become more widespread recently, although evidence of its effectiveness is limited to retrospective studies in real clinical practice. The use of oral minoxidil in androgenetic alopecia has not been approved by the FDA, however several clinical studies have shown that it is an effective treatment option. The initial dose recommended to treat male hair loss is 2.5 mg daily, although the dose is frequently increased to 5 mg daily. The main adverse effect of oral minoxidil is hypertrichosis, followed by dizziness or lower limb edema, which are much less common. Platelet-rich plasma is a non-pharmacological option to treat male androgenetic alopecia, with some clinical trials demonstrating an improvement in hair count after several months. Among the published studies, the main limitation to compare its efficacy is the heterogeneity of the procedure. The most frequent regimens propose treatment every 4 weeks for 3 months initially to assess the individual response. Another treatment alternative is the use of light devices with wavelengths of between 630 and 660 nm, known as low-level laser therapy. These devices can be used at home every day for 15-30 min. Their efficacy has been shown in a limited number of clinical trials; however, there is a lack of evidence about the efficacy of these devices compared with other medical options or as a complementary therapy in hair loss. The pipeline of potential new treatments for male androgenetic alopecia is strong. Pyrilutamide and GT20029 are being studied as topical antagonists of the androgen receptor, while cetirizine is another topical option with some initial promising results. Furthermore, according to isolated studies with heterogeneous treatment schemes, the use of botulinum toxin in the scalp might improve androgenetic alopecia, and lastly, scalp threading might increase the total hair count as growth factors are released during implantation.
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Affiliation(s)
- David Saceda-Corralo
- Servicio de Dermatología, Hospital Universitario Ramón y Cajal, Departamento de Medicina, Facultad de Medicina, Universidad de Alcalá, IRYCIS, Carretera Colmenar Viejo km 9.100, 28034, Madrid, Spain. .,Trichology Unit, Grupo de Dermatología Pedro Jaén, Madrid, Spain.
| | - Miguel Domínguez-Santas
- Servicio de Dermatología, Hospital Universitario Ramón y Cajal, Departamento de Medicina, Facultad de Medicina, Universidad de Alcalá, IRYCIS, Carretera Colmenar Viejo km 9.100, 28034, Madrid, Spain.,Trichology Unit, Grupo de Dermatología Pedro Jaén, Madrid, Spain
| | - Sergio Vañó-Galván
- Servicio de Dermatología, Hospital Universitario Ramón y Cajal, Departamento de Medicina, Facultad de Medicina, Universidad de Alcalá, IRYCIS, Carretera Colmenar Viejo km 9.100, 28034, Madrid, Spain.,Trichology Unit, Grupo de Dermatología Pedro Jaén, Madrid, Spain
| | - Ramon Grimalt
- Facultat de Medicina i Ciències de la Salut, Universitat Internacional de Catalunya Barcelona, Barcelona, Spain
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Li X, Guo Y, Lu Y, Li H, Yan S, Li H, Li Y. Case report: a study of the clinical characteristics and genetic variants of post-finasteride syndrome patients. Transl Androl Urol 2022; 11:1452-1457. [PMID: 36386264 PMCID: PMC9641066 DOI: 10.21037/tau-22-92] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 08/22/2022] [Indexed: 09/07/2023] Open
Abstract
BACKGROUND Finasteride is widely used in the treatment of benign prostatic hyperplasia (BPH) and androgenic alopecia (AGA). Post-finasteride syndrome (PFS) is a spectrum of persistent symptoms reported by some patients after treatment with finasteride for androgenetic alopecia. These patients show many abnormal clinical manifestations, including psychological disorders (depression and anxiety, among others) and sexual dysfunction. However, there is insufficient research on the persistent severe side effects in young male patients with PFS, and the underlying mechanism of PFS has not been fully elucidated. Growing evidence highlights the relevance of genetic variants and their associated responses to drugs. Therefore, we performed next-generation sequencing (NGS) in our study of PFS. CASE DESCRIPTION Here, we enrolled three young male patients aged 20-30 years with a PFS duration of 1-3 years and analyzed their clinical and genetic information. PFS patients suffered from erectile dysfunction (ED), anxiety, feelings of isolation, and insomnia. Variants in genes, including CA8, VSIG10L2, HLA-B, KRT38 and HLA-DRB1, were detected, and these genes represent potential risk genes. CONCLUSIONS PFS, commonly observed in young men, has certain clinical manifestations, mainly psychological disorders and abnormal sexual functions. Young men who may take finasteride therapy for hair loss should receive consultation services and be informed of possible future harms. Psychological screening is an important method to reduce the occurrence of PFS. At present, the underlying mechanism of PFS is not very clear, and more research is needed to improve the understanding of the disease. Some genes are abnormal in PFS patients, suggesting that clinical and genetic evaluation might be needed before the prescription of 5α-reductase inhibitors. With research progress, genetic screening may be a promising way to avoid the harmful effects of finasteride in people with related genetic risk factors.
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Affiliation(s)
- Xiaogang Li
- Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
- Medical Science Research Center, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Ye Guo
- Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Yi Lu
- Department of Urology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Haolong Li
- Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Songxin Yan
- Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Hongjun Li
- Department of Urology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Yongzhe Li
- Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
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Gupta AK, Talukder M, Williams G. Comparison of oral minoxidil, finasteride, and dutasteride for treating androgenetic alopecia. J DERMATOL TREAT 2022; 33:2946-2962. [PMID: 35920739 DOI: 10.1080/09546634.2022.2109567] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Background Androgenetic alopecia (AGA) is the most common cause of hair loss, often challenging to treat. While oral finasteride (1 mg/day) is an FDA-approved treatment for male AGA, oral minoxidil and oral dutasteride are not approved yet. However, clinicians have been increasingly using these two drugs off-label for hair loss. Recently, Japan and South Korea have approved oral dutasteride (0.5 mg/day) for male AGA.Efficacy and safety A probable efficacy ranking, in decreasing order, is- dutasteride 0.5 mg/day, finasteride 5 mg/day, minoxidil 5 mg/day, finasteride 1 mg/day, followed by minoxidil 0.25 mg/day. Oral minoxidil predominantly causes hypertrichosis and cardiovascular system (CVS) symptoms/signs in a dose-dependent manner, whereas oral finasteride and dutasteride are associated with sexual dysfunction and neuropsychiatric side effects.Pharmacokinetics and pharmacodynamics The average plasma half-lives of minoxidil, finasteride, and dutasteride are ∼4 hours, ∼4.5 hours, and ∼5 weeks, respectively. Minoxidil acts through multiple pathways to promote hair growth. It has been shown as a vasodilator, an anti-inflammatory agent, a Wnt/β-catenin signaling inducer, and an antiandrogen. Finasteride inhibits 5 α-reductase (5AR) type II isoenzyme, while dutasteride inhibits both type I and type II. Thus, dutasteride suppresses DHT levels more than finasteride in the serum and scalp.
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Affiliation(s)
- A K Gupta
- Mediprobe Research Inc., London, ON, Canada.,Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Canada
| | - M Talukder
- Mediprobe Research Inc., London, ON, Canada
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