14 results on '"Friedland BA"'
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2. US WOMEN’S PREFERENCES, ACCEPTABILITY AND USER EXPERIENCES WITH THREE DIFFERENT INTRAVAGINAL RINGS VARYING IN EXTERNAL DIAMETER: A QUALITATIVE STUDY
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Sales, JM, primary, Shetty, S, additional, Nguyen, M, additional, Pitsoulakis, E, additional, Kalifa, N, additional, Atrio, J, additional, Sant’Anna Marinho, C, additional, Bruce, I, additional, Haddad, L, additional, and Friedland, BA, additional
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- 2023
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3. P089 - US WOMEN’S PREFERENCES, ACCEPTABILITY AND USER EXPERIENCES WITH THREE DIFFERENT INTRAVAGINAL RINGS VARYING IN EXTERNAL DIAMETER: A QUALITATIVE STUDY
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Sales, JM, Shetty, S, Nguyen, M, Pitsoulakis, E, Kalifa, N, Atrio, J, Sant’Anna Marinho, C, Bruce, I, Haddad, L, and Friedland, BA
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- 2023
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4. Acceptability of a dapivirine levonorgestrel vaginal ring in two Phase 1 trials (MTN-030/IPM 041 and MTN-044/IPM 053/CCN019): Implications for multipurpose prevention technology development.
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Friedland BA, Gundacker H, Achilles SL, Chen BA, Hoesley C, Richardson BA, Kelly CW, Piper J, Johnson S, Devlin B, Steytler J, Kleinbeck K, Dangi B, Friend C, Song M, Mensch B, van der Straten A, Jacobson C, Hendrix CW, Brown J, Blithe D, and Hiller SL
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- Humans, Female, Adult, Young Adult, Adolescent, Middle Aged, Patient Acceptance of Health Care, Anti-HIV Agents administration & dosage, Anti-HIV Agents therapeutic use, Contraceptive Agents, Female administration & dosage, Pregnancy, Levonorgestrel administration & dosage, Pyrimidines administration & dosage, Pyrimidines therapeutic use, Contraceptive Devices, Female, HIV Infections prevention & control
- Abstract
End-user feedback early in product development is important for optimizing multipurpose prevention technologies for HIV and pregnancy prevention. We evaluated the acceptability of the 90-day dapivirine levonorgestrel ring (DPV-LNG ring) used for 14 days compared to a dapivirine-only ring (DVR-200mg) in MTN-030/IPM 041 (n = 23), and when used for 90 days cyclically or continuously in MTN-044/IPM 053/CCN019 (n = 25). We enrolled healthy, non-pregnant, HIV-negative women aged 18-45 in Pittsburgh, PA and Birmingham, AL (MTN-030 only). Self-reports of vaginal bleeding and adherence (ring removals, expulsions) were collected via daily short message service. Acceptability data were recorded in face-to-face interviews at study exit. We assessed differences in acceptability by product characteristics and adherence; and associations between baseline characteristics/demographics, number of bleeding days, adherence, and overall acceptability. Most (21/23) women in the 14-day MTN-030 study and about half (13/25) in the 90-day MTN-044 study liked their assigned rings. In MTN-030 there were no significant associations between any variables and overall acceptability of either ring. In MTN-044, women who disliked the DPV-LNG ring had a significantly higher incidence of unanticipated vaginal bleeding, and reporting that vaginal bleeding changes were unacceptable than those who liked it. Although we found no overall association between adherence and acceptability, significantly more women who disliked (versus liked) the DPV-LNG ring reported expulsions during toileting. The DPV-LNG ring could meet the needs of women seeking simultaneous protection from HIV and unintended pregnancy. Addressing issues related to vaginal bleeding and expulsions early in product development will likely enhance acceptability of the DPV-LNG ring. Trial registration: Clinical Trial Registration: MTN-030/IPM 041: ClinicalTrials.gov NCT02855346; MTN-044/IPM 053/CCN019: ClinicalTrials.gov NCT03467347., Competing Interests: The following authors have read the journal’s policy and have competing interests: Sharon L. Achilles has received consulting fees from Mayne Pharma and Merck and has received research funding from The National Institutes of Health, the US Food and Drug Administration, the Pennsylvania Department of Health, Society of Family Planning Research Fund, Estetra SRL (an affiliate company of Mithra Pharmaceuticals), EvoFem, and Merck, all of which were managed by Magee-Womens Research Institute. Barbra A. Richardson has received payment from Gilead Sciences for DSMB membership. Brid Devlin and John Steytler were full-time salaried employees of the International Partnership for Microbicides (IPM), a non-profit company registered in the United States of America, at the time the work was performed. Barbara A. Friedland was a full-time salaried employee of the Population Council, a non-profit company registered in the United States of America, at the time the work was performed. Craig W. Hendrix is an Inventor on a patent relating to vaginal microbicides and the founder of a microbicide development company, both unrelated to this study product and both managed by Johns Hopkins University. Beatrice A. Chen has served on a Merck & Co. advisory board and has received research grants from Sebela, Mylan, and Medicines360, all of which were managed by Magee-Women’s Research Institute. NIH employees (Diana L. Blithe, Jill Brown, and Jeanna M. Piper) contributed to the study design, manuscript development and the decision to publish as well as providing safety oversight during study conduct but had no role in data collection and analysis. All other authors have declared that no competing interests exist. This does not alter our adherence to PLOS One policies on sharing data and materials., (Copyright: This is an open access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. The work is made available under the Creative Commons CC0 public domain dedication.)
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- 2025
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5. Phase I Dose Volume Escalation of Rectally Administered PC-1005 to Assess Safety, Pharmacokinetics, and Antiviral Pharmacodynamics as a Multipurpose Prevention Technology (MTN-037).
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Ho K, Hoesley C, Anderson PL, Fernández-Romero JA, Friedland BA, Kelly CW, Jiao Y, Edick S, Brand R, Kunjara Na Ayudhya RP, Zyhowski A, Hartman DJ, Reddy NB, Al-Khouja A, Piper J, Bauermeister JA, Teleshova N, Melo C, Cornejal N, Barnable P, Singh D, Scheckter R, McClure T, Hillier SL, and Hendrix CW
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- Humans, Female, Adult, Male, Middle Aged, Administration, Rectal, Carrageenan pharmacokinetics, Carrageenan administration & dosage, HIV Infections prevention & control, HIV Infections drug therapy, Pre-Exposure Prophylaxis methods, Young Adult, Rectum virology, Papillomavirus Infections prevention & control, Pyridines, Urea analogs & derivatives, Antiviral Agents pharmacokinetics, Antiviral Agents administration & dosage, Antiviral Agents adverse effects
- Abstract
Background: On demand, topical PrEP is desired by those preferring episodic, nonsystemic PrEP. PC-1005 gel (MIV-150, zinc, and carrageenan) exhibits in vitro antiviral HIV-1, human papillomavirus (HPV), and herpes simplex virus type 2 (HSV-2) activity, attractive for a multipurpose prevention technology candidate. We evaluated the safety, pharmacokinetics, and antiviral effect of rectally applied PC-1005., Methods: HIV-uninfected adults received a series of 3 rectal PC-1005 doses-4, 16, and 32 mL separated by 2-week washout periods. Following each dose, plasma, rectal fluid and tissue, and vaginal fluid were collected over 48 hours., Results: Thirteen adults enrolled; 12 completed all 3 doses. All 13 adverse events reported were grade 1 or 2; 5 were judged study drug related. Plasma MIV-150 peaked 1-2 h after dosing with a median peak concentrations range of 0.07-0.23 ng/mL and median half-life range of 4.9-7.4 hours across dose volumes; median concentrations were below assay quantitation limits (BLQ) 24 hours after dosing. Rectal tissue MIV-150 peaked 0.5-1 hours after dosing at 1.4 ng/g (ng/mL) (0.8, 1.9), 46.0 (30.7, 831.0), and 79.7 (11.9, 116.0), respectively, after each dose volume; median tissue concentrations were BLQ beyond 5 hours for all doses. All vaginal fluid samples were BLQ. Ex vivo antiviral assays showed 5 hours of antiviral HPV and HSV effects but no anti-HIV activity., Conclusions: MIV-150 rectal tissue concentrations were below the 100 ng/g target concentration and transient. Ex vivo assays demonstrated antiviral HSV and HPV effects but not against HIV. PC-1005 requires a more potent antiviral and longer-lasting formulation for further consideration as a multipurpose prevention technology candidate., Clinical Trials: NCT03408899., (Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.)
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- 2024
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6. Correlates of Adherence to Oral and Vaginal Pre-exposure Prophylaxis (PrEP) Among Adolescent Girls and Young Women (AGYW) Participating in the MTN-034/REACH Trial.
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Ngure K, Browne EN, Reddy K, Friedland BA, van der Straten A, Palanee-Phillips T, Nakalega R, Gati B, Kalule HN, Siziba B, Soto-Torres L, Nair G, Garcia M, Celum C, and Roberts ST
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- Humans, Female, Adolescent, Young Adult, South Africa, Uganda, Zimbabwe, Tenofovir administration & dosage, Tenofovir therapeutic use, Administration, Oral, Pyrimidines administration & dosage, Administration, Intravaginal, Emtricitabine administration & dosage, Contraceptive Devices, Female statistics & numerical data, Pre-Exposure Prophylaxis methods, HIV Infections prevention & control, Anti-HIV Agents administration & dosage, Cross-Over Studies, Assessment of Medication Adherence
- Abstract
We evaluated correlates of adherence to PrEP, including daily oral tenofovir disoproxil fumarate in combination emtricitabine (oral FTC/TDF) and the monthly dapivirine ring (ring)among adolescent girls and young women (AGYW) in the MTN-034/REACH study. We enrolled 247 AGYW aged 16-21 years in South Africa, Uganda and Zimbabwe (ClinicalTrials.gov: NCT03074786). Participants were randomized to the order of oral FTC/TDF or ring use for 6 months each in a crossover period, followed by a 6-month choice period. We assessed potential adherence correlates-individual, interpersonal, community, study, and product-related factors-quarterly via self-report. We measured biomarkers of adherence monthly; high adherence was defined as > 4 mg dapivirine released from returned rings or intracellular tenofovir diphosphate levels ≥ 700 fmol/punch from dried blood spots (DBS). We tested associations between correlates and objective measures of high adherence using generalized estimating equations. High adherence to oral FTC/TDF was significantly associated with having an older primary partner (p = 0.04), not having exchanged sex in the past 3 months (p = 0.02), and rating oral FTC/TDF as highly acceptable (p = 0.003). High ring adherence was significantly associated with unstable housing (p = 0.01), disclosing ring use to a male family member (p = 0.01), and noting a social benefit from study participation (p = 0.03). All associations were moderate, corresponding to about 6%-10% difference in the proportion with high adherence. In our multinational study, correlates of adherence among African AGYW differed for oral FTC/TDF and the ring, highlighting the benefit of offering multiple PrEP options., (© 2024. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)
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- 2024
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7. "Killing two birds with one stone" - a qualitative study on women's perspectives on the dual prevention pill in Johannesburg, South Africa.
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Tenza S, Mampuru L, Moji M, Zulu S, Begg L, Bruce IV, Reddy K, Friedland BA, Palanee-Phillips T, and Mathur S
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- Humans, Female, South Africa, Adolescent, Adult, Young Adult, Pregnancy, Contraceptives, Oral, Combined therapeutic use, Contraceptives, Oral, Combined administration & dosage, Qualitative Research, HIV Infections prevention & control, Pre-Exposure Prophylaxis methods, Focus Groups
- Abstract
Background: HIV incidence remains high in South Africa, with ~ 60% of all new HIV infections among adolescent girls and women (Country factsheets HIV and AIDS Estimates, 2022). Oral pre-exposure prophylaxis (PrEP), approved for HIV prevention in South Africa since 2015, is hampered by low uptake and adherence, particularly among adolescent girls and young women (AGYW). Combining oral PrEP with oral contraceptives could increase PrEP uptake, persistence and address unmet needs for contraception. We investigated the acceptability of a dual prevention pill (DPP), combining oral PrEP and a combined oral contraceptive (COC) for HIV and pregnancy prevention among women in Johannesburg, South Africa., Methods: Between March-July 2021, we conducted 12 focus group discussions (FGDs) with adolescent girls and women (n = 74) aged 16-40 stratified by ages (16-17, 18-24, 25-40), half of whom were COC users. We explored adolescent girls and women's opinions about the DPP concept, existing HIV and pregnancy prevention options, and input on perceived facilitators and barriers to DPP use. FGDs were conducted in English or isiZulu, using a standardized interview guide. FGDs were audio-recorded, transcribed to English and analyzed using ethnographic content analysis., Results: The majority viewed the DPP favorably as a multipurpose option preventing unplanned pregnancy and HIV. Most saw it as a convenient "two-in-one" solution, requiring one clinic visit for both PrEP and COCs. AGYW were viewed as the most likely to benefit from the DPP due to the likelihood of multiple partners and unplanned sex, possibly preventing school dropout from unplanned pregnancy or HIV acquisition. The DPP was perceived to be more reliable than condoms, especially when condom negotiation is limited. Benefits were also seen by participants in rape cases, protecting against pregnancy and HIV. DPP use barriers included side effect concerns, unsupportive partners and judgmental healthcare providers., Conclusions/significance: The DPP was perceived as acceptable for HIV and pregnancy prevention to AGYW in Johannesburg and its dual indications helpful in supporting improved PrEP uptake and persistence. DPP implementation programs need to consider solutions to potential barriers, like education on DPP benefits, coupled with reliable side effect support and healthcare provider sensitization as part of routine sexual health services to encourage uptake and adherence., (© 2024. The Author(s).)
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- 2024
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8. Risk factors for and outcomes of ring expulsions with a 1-year contraceptive vaginal system.
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Plagianos MG, Ramanadhan S, Merkatz RB, Brache V, Friedland BA, and Haddad LB
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- Humans, Female, Adult, Risk Factors, Pregnancy, Young Adult, Ethinyl Estradiol, Adolescent, Contraceptive Agents, Female therapeutic use, Logistic Models, Contraceptive Devices, Female statistics & numerical data
- Abstract
Background: The US Food and Drug Administration-approved segesterone acetate and ethinyl estradiol ring-shaped contraceptive vaginal system, known as Annovera (Sever Pharma Solutions/QPharma, Malmö, Sweden), was inserted and removed under a woman's control for a 21 day in and 7 day out regimen for up to 13 cycles of use., Objective: We aimed to describe the patterns of ring expulsion over time, to identify potential predictors of expulsion, and to evaluate the impact of expulsions on method discontinuation and pregnancy risk., Study Design: Using data from 2064 participants who were enrolled in 2 multinational phase 3 clinical trials on the use of this contraceptive vaginal system, we examined data from participants' daily diaries for documentation of complete ring expulsion. We modeled the odds of reported expulsions over time with adjustment for background and demographic characteristics using mixed-effects logistic regression models with random intercepts. We compared the probability of continuation between those who did and those who did not report expulsions in the first cycle of use using survival analysis and hazards modeling. To determine if expulsions during the first cycle of use affected the risk for pregnancy, we calculated Pearl Indices., Results: Most participants (75%) never experienced any expulsions during any cycle of use, and 91% to 97% did not experience an expulsion during any 1 cycle. The incidence of expulsion was highest in cycle 1 (9%). The odds of experiencing expulsions decreased by half in cycles 2 to 8 when compared with cycle 1 (0.48; 95% confidence interval, 0.40-0.58), and in cycles 9 to 13, expulsions were about a third of that in cycle 1 (0.32; 95% confidence interval, 0.26-0.41). Of those who did experience expulsions, most (62%-84%) experienced ≤2 expulsions per cycle. Participants from study sites in Latin America vs those in the United States had higher odds of not experiencing an expulsion (odds ratio, 1.95; 95% confidence interval, 1.45-2.63). Women with a higher education level had higher odds of experiencing an expulsion. Notably, parity, age, and body mass index were not associated with expulsion. Participants who experienced any expulsions in cycle 1 were more likely to discontinue use early (hazard ratio, 1.28; 95% confidence interval, 1.14-1.43) than participants who did not have an expulsion. The Pearl Index for participants who had expulsions during cycle 1 was 3.99 (95% confidence interval, 1.29-9.31), which was higher than that among participants who reported no expulsions (Pearl Index, 2.39; 95% confidence interval, 1.61-3.41), but the overlapping confidence intervals indicate that there is not sufficient evidence to demonstrate an association between expulsions and pregnancy risk., Conclusion: Expulsions were infrequent overall, decreased with subsequent cycles of use, and were not associated with body mass index or parity. Early discontinuation of product use was higher among participants who experienced an expulsion during cycle 1. Although it is unclear whether pregnancy risk was associated with expulsions, early recognition of expulsions among users may identify those at higher risk for discontinuation and may highlight when enhanced anticipatory counselling and guidance may be advantageous., (Copyright © 2024 Elsevier Inc. All rights reserved.)
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- 2024
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9. Assessing the acceptability of, adherence to and preference for a dual prevention pill (DPP) for HIV and pregnancy prevention compared to oral pre-exposure prophylaxis (PrEP) and oral contraception taken separately: protocols for two randomised, controlled, cross-over studies in South Africa and Zimbabwe.
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Friedland BA, Mgodi NM, Palanee-Phillips T, Mathur S, Plagianos MG, Bruce IV, Lansiaux M, Murombedzi C, Musara P, Dandadzi A, Reddy K, Ndlovu N, Zulu SK, Shale LR, Zieman B, and Haddad LB
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- Female, Humans, Anti-HIV Agents therapeutic use, Cross-Over Studies, South Africa epidemiology, Zimbabwe, Randomized Controlled Trials as Topic, Adolescent, Young Adult, Adult, Contraception, HIV Infections epidemiology, HIV Infections prevention & control, Pre-Exposure Prophylaxis methods
- Abstract
Introduction: Oral pre-exposure prophylaxis (PrEP) is a highly effective HIV prevention method; however, uptake and persistence have been low among southern African women. A dual prevention pill (DPP) that combines PrEP with oral contraception (OC) may increase PrEP use and better meet women's sexual and reproductive health needs. We will gauge the DPP's acceptability in two cross-over clinical trials., Methods and Analysis: PC952 (Zimbabwe) and PC953 (South Africa) will compare acceptability, adherence and preference for an over-encapsulated DPP versus PrEP and OCs taken separately. HIV-negative, non-pregnant cisgender females in Johannesburg, South Africa (n=96, 16-40 years) and Harare, Zimbabwe (n=30, 16-24 years) will be randomised 1:1 to the order of regimens-DPP or two separate tablets-each used for three 28-day cycles, followed by a 6-month choice period in South Africa. Monthly clinic visits include HIV and pregnancy testing; safety assessments and risk reduction and adherence counselling. We will assess adherence (monthly) based on tenofovir diphosphate drug levels in dried blood spots and by self-report. We will evaluate acceptability (monthly) and preference (end of cross-over) via computer-assisted self-interviewing and in-depth interviews with a subset of participants. Data collection started in September 2022 and ended in January 2024., Ethics and Dissemination: PC952 was approved by the Ministry of Health and Child Care, Medical Research Council, Research Council and Medicines Control Authority of Zimbabwe; the Chitungwiza City Health Ethics Committee; and the Joint Research Ethics Committee for the University of Zimbabwe Faculty of Medicine and Health Sciences and Parirenyatwa Group of Hospitals. PC953 was approved by the South African Health Products Regulatory Authority and the University of the Witwatersrand's Human Research Ethics Committee. The Population Council IRB approved both studies. We will disseminate results in open-access journals, clinical trials registries, and at local and international meetings and conferences., Trial Registration Numbers: NCT04778514, NCT04778527., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)
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- 2024
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10. Editorial: Multipurpose prevention technologies for HIV, STIs and pregnancies.
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Friedland BA, Thurman AR, Nuwagaba-Biribonwoha H, and Malcolm RK
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Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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- 2024
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11. Women Want Choices: Opinions from the Share.Learn.Shape Global Internet Survey About Multipurpose Prevention Technology (MPT) Products in Development.
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Friedland BA, Plagianos M, Savel C, Kallianes V, Martinez C, Begg L, Guthrie KM, Venkatasetty D, Pickett J, and Haddad LB
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- Adult, Female, Humans, Contraception methods, Contraceptive Agents, Contraceptive Devices, Adolescent, Young Adult, Middle Aged, HIV Infections prevention & control, Sexually Transmitted Diseases prevention & control
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Women need multipurpose prevention technologies (MPTs) to simultaneously prevent sexually transmitted infections (STIs), including HIV, with or without contraception. User feedback early in product development is critical for maximizing uptake and continuation. Our global online survey (April 2017-December 2018) explored women's opinions about MPT formulations in development (e.g., fast-dissolving vaginal inserts, vaginal films, intravaginal rings, injectables, implants), preferences for long-acting or "on-demand" methods, and interest in a contraceptive MPT versus products for HIV/STI prevention alone. Of the 630 women in our final analysis (mean 30 years old; range 18-49), 68% were monogamous, 79% completed secondary education, 58% had ≥ 1 child, 56% were from sub-Saharan Africa and 82% preferred a cMPT versus HIV/STI prevention alone. There were no clear preferences for any specific product or product type (long-acting, on-demand, daily). No single product will appeal everyone, however, adding contraception is likely to increase uptake of HIV/STI prevention methods for most women., (© 2023. The Author(s).)
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- 2023
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12. Baseline preferences for oral pre-exposure prophylaxis (PrEP) or dapivirine intravaginal ring for HIV prevention among adolescent girls and young women in South Africa, Uganda and Zimbabwe (MTN-034/IPM-045 study).
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Ngure K, Friedland BA, Szydlo DW, Roberts ST, Garcia M, Levy L, Akello CA, Reddy K, Palanee-Phillips T, Macdonald P, Siziba B, Soto-Torres L, Hosek S, Hillier SL, Nair G, Celum C, and van der Straten A
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- Adolescent, Female, Humans, Pregnancy, South Africa epidemiology, Uganda epidemiology, Zimbabwe epidemiology, Young Adult, Anti-HIV Agents therapeutic use, HIV Infections epidemiology, HIV Infections prevention & control, HIV Infections drug therapy, Pre-Exposure Prophylaxis methods
- Abstract
Introduction: Adolescent girls and young women (AGYW) in sub-Saharan Africa are disproportionately affected by the HIV epidemic and face an array of challenges using proven behavioral and biomedical prevention methods. To address the urgent need for expanding prevention options, we evaluated the baseline preferences of HIV prevention methods among participants enrolled in the MTN-034/REACH crossover trial along with their stated product preference prior to product initiation., Methods: AGYW aged 16-21 years were enrolled at 4 study sites: Cape Town and Johannesburg, South Africa; Kampala, Uganda; and Harare, Zimbabwe and randomly assigned to the sequence of using oral PrEP and the dapivirine ring for 6 months each, followed by a choice period in which they could choose either product (or neither) for an additional six months. Eligible AGYW were HIV-negative, not pregnant and using effective contraception for at least two months prior to enrollment. Descriptive statistics were used to summarize demographic and behavioral data while multinomial analysis was used to determine predictors of stated product preference (ring or oral PrEP)., Results: Of the 247 AGYW enrolled in REACH, 34% were aged 16-17 and 89% had a primary partner.The median age of sexual debut was 16 years and 40% had ever been pregnant. At screening, 35% of participants were diagnosed with a sexually transmitted infection (STI), 39% had an AUDIT-C score associated with harmful drinking and 11% reported intimate partner violence in the past 6 months. Overall, 28% of participants, had CESD-10 scores suggestive of depressive symptoms (≥12) in the past week. At baseline, similar proportions stated a preference for the ring and oral PrEP (38.1% and 40.5% respectively), with 19% of participants stating they preferred both products equally. Only study site was significantly associated with product preference (P<0.05) with AGYW from Johannesburg having higher odds of preferring the ring and those from Kampala having higher odds of preferring both options equally., Conclusions: We successfully enrolled African AGYW with a clear unmet need for HIV prevention. The balanced preference between the two products suggests that multiple biomedical prevention options may be appealing to this age group and could address their prevention needs., Competing Interests: The authors have declared that no competing interests exist, (Copyright: © 2023 Ngure et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)
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- 2023
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13. New approaches for developing biomarkers of hormonal contraceptive use.
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Sachdeva R, Kumar N, Brache V, Friedland BA, Plagianos M, Zhang S, Kizima L, Cochon L, Tabar AST, Blanc A, and Merkatz RB
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- Female, Humans, Chromatography, Liquid, Pilot Projects, Medroxyprogesterone Acetate, Contraceptives, Oral, Combined, Tandem Mass Spectrometry, Levonorgestrel
- Abstract
To identify biomarkers of hormonal contraceptive (HC) use in urine and saliva, we conducted a pilot study with 30 women initiating levonorgestrel (LNG) containing combined oral contraceptives (COCs) or depot medroxyprogesterone acetate (DMPA) (15/group). Based on established COC pharmacokinetics, we collected serum and urine samples before COC ingestion and during Days one and three of use, or before DMPA injection and on Days 21 and 60 post-injection. We used liquid chromatography-tandem mass spectrometry (LC-MS/MS) to measure serum/urine LNG and MPA. LNG was undetectable at baseline (specificity 100%); post ingestion, most urine samples had detectable LNG levels (sensitivity: 80% 6 h post Dose one, 93% 6 h post Dose three). We used a DetectX LNG immunoassay kit and showed 100% sensitivity measuring urine LNG. Urine MPA levels were undetectable in 14/15 women at baseline (specificity 91%); post-injection all urine samples had detectable MPA levels (sensitivity: 100% days 21 and 60). Results suggest urine sampling can be used to identify a biomarker of LNG and MPA use. Based on evidence from other steroidal hormonal studies showing changes affecting the transcriptome profile of saliva at 24 h, we used the same (COC, DMPA) timepoints to collect saliva. We performed transcriptome analysis and detected several differentially expressed genes in DMPA users' saliva on Days 21 and 60 compared to baseline; none among COC users. We plan further research of differential gene expression in saliva as a HC biomarker of DMPA use, and will explore longer periods of COC use and saliva collection times, and application of microRNA sequencing to support using saliva as a COC biomarker., (© 2022. The Author(s).)
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- 2023
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14. Acceptability of PC-1005 Gel Administered Rectally to HIV-1 Seronegative Adults at Three Different Volume Levels (MTN-037).
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Bauermeister JA, Tingler RC, Ho K, Scheckter R, McClure T, Davis J, Piper J, Friedland BA, Edick S, Song M, Jiao Y, Hendrix CW, and Hoesley C
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- Adult, Female, Humans, Male, HIV Infections prevention & control, HIV Seropositivity, HIV-1, Sexually Transmitted Diseases prevention & control
- Abstract
Multipurpose prevention technologies (MPT) have been increasingly researched for their dual-purpose preventative properties against HIV and other STIs. The acceptability of PC-1005, a topical MPT candidate, was explored among men and women participating in the MTN-037 Phase I trial at two U.S. sites (Pittsburgh, PA, and Birmingham, AL). We triangulated quantitative and qualitative assessments of the acceptability of three volumes (4 mL, 16 mL, 32 mL) of PC-1005 administered rectally (N = 12; 6 males, 6 females). Participants rated overall gel acceptability on a scale of 1-10, with a median of 7.17 ( SD = 2.04) and had positive feelings about all three dose volumes, citing them to be very comfortable or comfortable (dose 1 = 91.7%; dose 2 = 91.7%; dose 3 = 83.3%). High acceptability of and comfort with all three dose volumes shows promise for PC-1005 as an MPT to prevent HIV and STIs, warranting future clinical development.
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- 2022
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