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Hassanein MM, Huri HZ, Abduelkarem AR. The impact of perceived vaginal and urinary symptoms and treatment burden in predicting sexual functioning among perimenopausal and postmenopausal women. Int J Gynaecol Obstet 2024. [PMID: 38874110 DOI: 10.1002/ijgo.15736] [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: 03/13/2024] [Accepted: 06/01/2024] [Indexed: 06/15/2024]
Abstract
OBJECTIVE This study aimed to explore the relationship between urogenital symptom frequency and severity, perception of vaginal treatment burden, and female sexual desire, arousal, and satisfaction. METHODS A cross-sectional study was conducted with a sample of 326 patients from three tertiary care hospitals in the United Arab Emirates. The frequency and severity of urogenital symptoms, emotional and physical functioning, and treatment burden were assessed using the validated genitourinary syndrome of menopause symptoms and vaginal treatments acceptability questionnaire (GSM-SVATQ). To examine the mediating roles of emotional and physical functioning, as well as the perceived treatment burden on sexual functioning, a partial least squares-structural equation model was developed using the SmartPLS 4 Software. RESULTS The measurement model was successfully established. All constructs had a reliability of > 0.70 and discriminant validity of < 0.90. Emotional, physical and sexual functioning showed an adjusted R2 values of 0.377, 0.282 and 0.169, respectively.The multistep multiple mediator model revealed a full mediation effect of both emotional and physical functioning between symptom, treatment burden and sexual functioning. The model showed high predictive performance with all manifest variables showing lower mean absolute errors compared to the naiive benchmark model. CONCLUSION This study enhances our understanding of the relationships between urogenital symptoms, perceived treatment burden, emotional functioning, and sexual well-being. The findings emphasize the importance of addressing emotional well-being in managing urogenital symptoms and in addressing emotional factors associated with the use of vaginal treatments.
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Affiliation(s)
- Mohammed M Hassanein
- Department of Clinical Pharmacy and Pharmacy Practice, Faculty of Pharmacy, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Hasniza Zaman Huri
- Department of Clinical Pharmacy and Pharmacy Practice, Faculty of Pharmacy, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Abduelmula R Abduelkarem
- Department of Pharmacy Practice and Pharmacotherapeutics, College of Pharmacy, University of Sharjah, Sharjah, United Arab Emirates
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
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2
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Tomás M, Sousa LGV, Oliveira AS, Gomes CP, Palmeira-de-Oliveira A, Cavaleiro C, Salgueiro L, Cerca N, Martinez-de-Oliveira J, Palmeira-de-Oliveira R. Vaginal Sheets with Thymbra capitata Essential Oil for the Treatment of Bacterial Vaginosis: Design, Characterization and In Vitro Evaluation of Efficacy and Safety. Gels 2023; 9:gels9040293. [PMID: 37102907 PMCID: PMC10137747 DOI: 10.3390/gels9040293] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 03/23/2023] [Accepted: 03/27/2023] [Indexed: 04/05/2023] Open
Abstract
We aimed to incorporate Thymbra capitata essential oil (TCEO), a potent antimicrobial natural product against bacterial vaginosis (BV)-related bacteria, in a suitable drug delivery system. We used vaginal sheets as dosage form to promote immediate relief of the typical abundant vaginal discharge with unpleasant odour. Excipients were selected to promote the healthy vaginal environment reestablishment and bioadhesion of formulations, while the TCEO acts directly on BV pathogens. We characterized vaginal sheets with TCEO in regard to technological characterization, predictable in vivo performance, in vitro efficacy and safety. Vaginal sheet D.O (acid lactic buffer, gelatine, glycerine, chitosan coated with TCEO 1% w/w) presented a higher buffer capacity and ability to absorb vaginal fluid simulant (VFS) among all vaginal sheets with EO, showing one of the most promising bioadhesive profiles, an excellent flexibility and structure that allow it to be easily rolled for application. Vaginal sheet D.O with 0.32 µL/mL TCEO was able to significantly reduce the bacterial load of all in vitro tested Gardnerella species. Although vaginal sheet D.O presented toxicity at some concentrations, this product was developed for a short time period of treatment, so this toxicity can probably be limited or even reversed when the treatment ends.
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Affiliation(s)
- Mariana Tomás
- CICS-UBI, Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal
| | - Lúcia G. V. Sousa
- Laboratory of Research in Biofilms Rosário Oliveira (LIBRO), Centre of Biological Engineering (CEB), University of Minho, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - Ana Sofia Oliveira
- CICS-UBI, Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal
| | - Carolina P. Gomes
- CICS-UBI, Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal
| | - Ana Palmeira-de-Oliveira
- CICS-UBI, Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal
- Labfit-HPRD Health Products Research and Development, Lda Edifício UBIMedical, Estrada Municipal 506, 6200-281 Covilhã, Portugal
| | - Carlos Cavaleiro
- CIEPQPF, Chemical Process Engineering and Forest Products Research Centre, University of Coimbra, 3030-790 Coimbra, Portugal
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal
| | - Lígia Salgueiro
- CIEPQPF, Chemical Process Engineering and Forest Products Research Centre, University of Coimbra, 3030-790 Coimbra, Portugal
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal
| | - Nuno Cerca
- Laboratory of Research in Biofilms Rosário Oliveira (LIBRO), Centre of Biological Engineering (CEB), University of Minho, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - José Martinez-de-Oliveira
- CICS-UBI, Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal
| | - Rita Palmeira-de-Oliveira
- CICS-UBI, Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal
- Labfit-HPRD Health Products Research and Development, Lda Edifício UBIMedical, Estrada Municipal 506, 6200-281 Covilhã, Portugal
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3
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3D Printing of Paracetamol Suppositories: An Automated Manufacturing Technique for Individualized Therapy. Pharmaceutics 2022; 14:pharmaceutics14122676. [PMID: 36559169 PMCID: PMC9785904 DOI: 10.3390/pharmaceutics14122676] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 11/25/2022] [Accepted: 11/26/2022] [Indexed: 12/04/2022] Open
Abstract
Pharmaceutical compounding using the molding technique is the currently applied method for the on-demand manufacturing of suppositories and pessaries. Potential errors of this method are difficult to detect, and the possibilities of individualization of size and shape of the suppositories are limited. In this study, a syringe-based semi-solid 3D printing technique was developed for the manufacturing of suppositories in three different printing designs with the suppository bases polyethylene glycol (PEG) and hard fat (HF). The 3D printed suppositories were analyzed for their visual appearance, uniformity of mass and content, diametrical dimension, breaking force and release behavior and compared to suppositories of the same composition prepared by a commonly used molding technique. The results showed no adverse properties for the 3D printed suppositories compared to the molded ones. Moreover, the easy adaptation of shape using the 3D printing technique was demonstrated by the printing of different sizes and infill structures. Thus, 3D printing has great potential to complement the available manufacturing methods for compounded suppositories, as it represents an automated system for the individualized manufacturing of suppositories that meet patients' needs.
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Palmeira-de-Oliveira R, Oliveira AS, Rolo J, Tomás M, Palmeira-de-Oliveira A, Simões S, Martinez-de-Oliveira J. Women's preferences and acceptance for different drug delivery routes and products. Adv Drug Deliv Rev 2022; 182:114133. [PMID: 35104506 DOI: 10.1016/j.addr.2022.114133] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 01/22/2022] [Accepted: 01/26/2022] [Indexed: 12/14/2022]
Abstract
To use or not to use, that is the first decision to take regarding a drug product. This mandatory step for adherence dictates product efficacy. The determinants for such decision do not only rely on the priority of the therapeutic or preventive strategy, but are related to a complex network of perceptions, preferences, personal and cultural backgrounds, and results from previous experiences. Women's preferences for dosage forms and even for drug delivery routes have been mainly studied in the fields of contraception and HIV prevention (and their related multipurpose approaches). Much less attention has been devoted to other therapeutic or preventive strategies. In a time when patient-centred approaches and shared decisions are increasingly valued, considering women's preferences and their main determinants is essential for product development and selection. Such products will be more likely to be chosen and used as intended, increasing efficacy, and reducing the overall costs related with these treatments. This knowledge shall be integrated in early stages of product development. This article reviews the state of the art related with women's preferences and acceptance for different dosage forms and drug delivery routes involved in women's health. The methodologies used for collecting these data and their major drawbacks are discussed. Results obtained from acceptability studies and the main determinants for selection of preventive and treatment drug products are discussed as tools for new developments in the field.
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Affiliation(s)
- Rita Palmeira-de-Oliveira
- CICS-UBI Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior Av. Infante D. Henrique, Covilhã, Portugal; Labfit-HPRD Health Products Research and Development, Lda, Edifício UBIMEDICAL Estrada Municipal 506, 6200-284 Covilhã, Portugal; CNC - Center for Neuroscience and Cell Biology, Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal; Faculty of Health Sciences, University of Beira Interior, Av. Infante D. Henrique, Covilhã, Portugal.
| | - Ana Sofia Oliveira
- CICS-UBI Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior Av. Infante D. Henrique, Covilhã, Portugal; Faculty of Health Sciences, University of Beira Interior, Av. Infante D. Henrique, Covilhã, Portugal
| | - Joana Rolo
- CICS-UBI Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior Av. Infante D. Henrique, Covilhã, Portugal
| | - Mariana Tomás
- CICS-UBI Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior Av. Infante D. Henrique, Covilhã, Portugal; Faculty of Health Sciences, University of Beira Interior, Av. Infante D. Henrique, Covilhã, Portugal
| | - Ana Palmeira-de-Oliveira
- CICS-UBI Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior Av. Infante D. Henrique, Covilhã, Portugal; Labfit-HPRD Health Products Research and Development, Lda, Edifício UBIMEDICAL Estrada Municipal 506, 6200-284 Covilhã, Portugal; Faculty of Health Sciences, University of Beira Interior, Av. Infante D. Henrique, Covilhã, Portugal
| | - Sérgio Simões
- CNC - Center for Neuroscience and Cell Biology, Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal; Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - José Martinez-de-Oliveira
- CICS-UBI Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior Av. Infante D. Henrique, Covilhã, Portugal
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Guthrie KM, Rosen RK, Guillen M, Ramirez JJ, Vargas SE, Fava JL, Ham AS, Katz DF, Cu-Uvin S, Tumilty S, Smith KA, Buckheit KW, Buckheit RW. Designing Dual Compartment HIV Prevention Products: Women's Sensory Perceptions and Experiences of Suppositories for Rectal and Vaginal Use. AIDS Res Hum Retroviruses 2021; 38:601-610. [PMID: 34544269 DOI: 10.1089/aid.2021.0038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Dual compartment suppositories are being developed to prevent HIV and other sexually transmitted infections. Such products, for use in the rectum, the vagina, or both, could have a significant public health impact by decreasing global incidence of these diseases. In this study, 16 women each used two rheologically distinct suppositories in their vagina and rectum. User Sensory Perception and Experience (USPE) scales assessed sensory experiences during sexual activity to understand whether, and how, women perceive formulation properties in the vagina and rectum. Qualitative data from individual in-depth interviews captured women's descriptions and comparisons of the experiences. Significant differences and large Cohen's d effect sizes between vaginal and rectal experiences of suppository-A were found for three scales: Application (APP): Product Awareness, SEX: Initial Penetration; and SEX: Effortful. Qualitative data provided user experience details that credibly align with these score differences. Near significant differences and large effect sizes were found for two additional scales: SEX: Perceived Wetness with suppository-A and SEX: Messiness with suppository-B. In addition, other scale scores showed medium-to-large effect sizes that correspond to hypothesized sensations associated with biophysical properties of the suppositories. Statistical significance combined with large effect sizes and qualitative data accurately represent the hypothesized perceptibility of suppository properties and identifies performance characteristics relevant to acceptability and adherence; together these data provide discernment of factors that can guide the development of dual compartment products. The Clinical Trial Registration number: NCT02744261.
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Affiliation(s)
- Kate M. Guthrie
- Center for Behavioral and Preventive Medicine, The Miriam Hospital, Providence, Rhode Island, USA
- Department of Psychiatry and Human Behavior, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
- Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, Rhode Island, USA
| | - Rochelle K. Rosen
- Center for Behavioral and Preventive Medicine, The Miriam Hospital, Providence, Rhode Island, USA
- Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, Rhode Island, USA
| | - Melissa Guillen
- Center for Behavioral and Preventive Medicine, The Miriam Hospital, Providence, Rhode Island, USA
| | - Jaime J. Ramirez
- Center for Behavioral and Preventive Medicine, The Miriam Hospital, Providence, Rhode Island, USA
| | - Sara E. Vargas
- Center for Behavioral and Preventive Medicine, The Miriam Hospital, Providence, Rhode Island, USA
- Department of Psychiatry and Human Behavior, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
| | - Joseph L. Fava
- Center for Behavioral and Preventive Medicine, The Miriam Hospital, Providence, Rhode Island, USA
| | | | - David F. Katz
- Departments of Bioengineering and Obstetrics and Gynecology, Duke University, Durham, North Carolina, USA
| | - Susan Cu-Uvin
- Department of Obstetrics and Gynecology and Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
- Department of Medicine, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
| | - Sheila Tumilty
- Department of Medicine, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
| | - Kelley A. Smith
- Center for Behavioral and Preventive Medicine, The Miriam Hospital, Providence, Rhode Island, USA
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Bakke AJ, Zaveri T, Higgins MJ, Ziegler GR, Hayes JE. Design aspects of vaginal applicators that influence acceptance among target users. Sci Rep 2021; 11:9802. [PMID: 33963262 PMCID: PMC8105386 DOI: 10.1038/s41598-021-89284-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 04/21/2021] [Indexed: 12/21/2022] Open
Abstract
Although sensory-guided product design is most traditionally used by food and beverage companies, the approach has widespread application for many other products, including pharmaceuticals and medical devices. Previously, our team used sensory methods to explore preclinical optimization of soft-gel vaginal microbicides. Past clinical trials suggest vaginal microbicides may be an effective means for women to protect themselves from HIV and other sexually transmitted infections, but these microbicides will not work if they are not used due to poor acceptability. Our prior work suggests properties like firmness, size, and shape all influence women's willingness to try soft-gel vaginal suppositories. As product insertion is part of the overall experience of using vaginal microbicides, understanding the features of vaginal applicators that appeal to women, and incorporating these insights into vaginal drug delivery systems, may also improve user adherence. Despite widespread use of vaginal applicators, there is minimal public data on women's perceptions of and preferences for physical applicator features. Other work suggests women want vaginal applicators that are single use, pre-filled, made of plastic, and easy to use, store, and discard. Applicator attributes that may be important to women, such as length, color, or visual appeal, have not been investigated previously. The objective of this research was to understand what physical applicator attributes are appealing to women. Here, 18 commercially available applicators were evaluated by a convenience sample of women (n = 102) for overall liking and perceptions of various attributes (perceived length and width, ease-of-grip, expected ease-of-use, expected comfort inside the body, visual appeal, color liking, and environmental friendliness). Preference mapping using both liking data and attribute data showed attributes such as color, visual appeal, ease of grip, expected ease of use, and expected comfort inside the body drove higher liking ratings for applicators, while perceived length negatively affected liking. In general, plastic tampon applicators contained more positive features and were better liked relative to a cardboard tampon applicator or applicators for insertion of medicated gels or suppositories. Incorporating more desirable features into applicators meant for insertion of vaginal microbicides or other vaginal medications may improve the user experience, and possibly user adherence.
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Affiliation(s)
- Alyssa J Bakke
- Sensory Evaluation Center, College of Agricultural Sciences, The Pennsylvania State University, University Park, PA, 16802, USA.,Department of Food Science, College of Agricultural Sciences, The Pennsylvania State University, 220 Food Science Building, University Park, PA, 16802, USA
| | - Toral Zaveri
- Sensory Evaluation Center, College of Agricultural Sciences, The Pennsylvania State University, University Park, PA, 16802, USA.,Department of Food Science, College of Agricultural Sciences, The Pennsylvania State University, 220 Food Science Building, University Park, PA, 16802, USA
| | - Molly J Higgins
- Sensory Evaluation Center, College of Agricultural Sciences, The Pennsylvania State University, University Park, PA, 16802, USA.,Department of Food Science, College of Agricultural Sciences, The Pennsylvania State University, 220 Food Science Building, University Park, PA, 16802, USA
| | - Gregory R Ziegler
- Department of Food Science, College of Agricultural Sciences, The Pennsylvania State University, 220 Food Science Building, University Park, PA, 16802, USA
| | - John E Hayes
- Sensory Evaluation Center, College of Agricultural Sciences, The Pennsylvania State University, University Park, PA, 16802, USA. .,Department of Food Science, College of Agricultural Sciences, The Pennsylvania State University, 220 Food Science Building, University Park, PA, 16802, USA.
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Sodium bicarbonate gels: a new promising strategy for the treatment of vulvovaginal candidosis. Eur J Pharm Sci 2021; 157:105621. [PMID: 33122009 DOI: 10.1016/j.ejps.2020.105621] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 10/07/2020] [Accepted: 10/21/2020] [Indexed: 12/18/2022]
Abstract
Vulvovaginal candidosis (VVC), caused mainly by the yeast Candida albicans, is the second most prevalent vaginal infection. It has been found to have a large impact on women's quality of life, self-esteem and routines. The prevalence of recurrent vulvovaginal candidosis (RVVC) remains high so the development of alternative treatments is needed. The main objective of this study was to develop and characterize sodium bicarbonate gels to treat VVC. We described key formulation characteristics and analyzed their influence on in vitro performance evaluations. The potential to inhibit Candida albicans's growth, the pH, osmolality, viscosity and rheological performance in contact with vaginal fluid simulant and the bioadhesion's profile (using a vaginal ex vivo porcine model) were studied for all formulations. Among the formulations, formulation C (5% sodium bicarbonate, 1% carbomer and 94% water) was the most effective in inhibiting the C. albicans' growth. This gel presented the same potential (the same MIC 2.5%) to inhibit other etiological agents of VVC (C. glabrata, C. krusei, C. tropicalis and C. parapsilosis) for all species tested. Additionally, sensorial characteristics of gel C were in accord with users' preferences. This gel exhibited physicochemical characteristics acceptable for short term treatments, suggesting good overall performance for the treatment of VVC. Furthermore, Gel C was biocompatible with the HeLa cell line (MTT assay) and was classified as a non-severe irritant in the HET-CAM assay (irritation score 4 ± 1). Overall, gel C was deemed the best performing of the set tested, and suitable for further development.
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Hemmerling A, Christopher E, Young Holt B. Towards a roadmap to advance non-hormonal contraceptive multipurpose prevention technologies: strategic insights from key stakeholders†. Biol Reprod 2020; 103:289-298. [PMID: 32639007 PMCID: PMC7401408 DOI: 10.1093/biolre/ioaa092] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 05/20/2020] [Accepted: 06/09/2020] [Indexed: 12/16/2022] Open
Abstract
The development of non-hormonal contraceptives is critical to increase options for women. In combination with prevention against sexually transmitted infections, they can become an important component of multipurpose prevention technologies (MPTs) which address multiple reproductive health needs with a single product. Resulting from multiple rounds of expert consultations, this framework aims to guide the development of non-hormonal contraceptive MPTs. Key informant interviews with experts in family planning and HIV and STI prevention and MPT product developers and funders from around the globe were conducted, reviewed, and coded. Identified key themes were discussed by experts at the November 2019 Eunice Kennedy Shriver National Institute of Child Health and Human Development Contraceptive Development Meeting in Houston, Texas. Seven action strategies were identified to address key research gaps and priorities for advancing the field. They highlight the importance of identifying target populations, a systematic approach to collaborative research, and leveraging knowledge from other fields, including regulatory and patenting, manufacturing, and commercialization expertise. Employing expanded target product profiles and setting go/no-go decisions for non-hormonal MPTs will help to prioritize the most promising candidates in the drug development pipeline. Further, they call for optimizing investments and engagement of stakeholders from public and private sectors. These action strategies aim to facilitate collaboration and innovation amongst multidisciplinary MPT stakeholders. Paramount to success will be enhancing strategic alliances and reconciling the essential social–behavioral context and market forces that drive product use with the complexities of research and development, regulatory approval, and commercialization.
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Affiliation(s)
- Anke Hemmerling
- The Initiative for Multipurpose Prevention Technologies, A Project of CAMI Health, Public Health Institute, Sacramento, CA, USA.,Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, CA, USA
| | - Emily Christopher
- The Initiative for Multipurpose Prevention Technologies, A Project of CAMI Health, Public Health Institute, Sacramento, CA, USA
| | - Bethany Young Holt
- The Initiative for Multipurpose Prevention Technologies, A Project of CAMI Health, Public Health Institute, Sacramento, CA, USA
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