Recent Publications

A pilot randomized controlled trial of an integrated in-person and mobile phone delivered counseling and text messaging intervention to reduce HIV transmission risk among male sex workers in Chennai, India
Mimiaga MJ, Thomas B, Biello K, Johnson BE, Swaminathan S, Navakodi P, Balaguru S, Dhanalakshmi A, Closson EF, Menon S, O'Cleirigh C, Mayer KH, Safren SA.
AIDS Behav. 2017 Aug 22. doi: 10.1007/s10461-017-1884-5. [Epub ahead of print]
PMID: 28831618

Men who have sex with men (MSM) are at increased risk for HIV infection in India, particularly those who engage in transactional sex with other men (i.e., male sex workers; MSW). Despite the need, HIV prevention efforts for Indian MSW are lacking. As in other settings, MSW in India increasingly rely on the use of mobile phones for sex work solicitation. Integrating mobile phone technology into an HIV prevention intervention for Indian MSW may mitigate some of the challenges associated with face-to face approaches, such as implementation, lack of anonymity, and time consumption, while at the same time proving to be both feasible and useful. This is a pilot randomized controlled trial to examine participant acceptability, feasibility of study procedures, and preliminary efficacy for reducing sexual risk for HIV. 

Exploring strategies for PrEP adherence and dosing preferences in the context of sexualized recreational drug use among MSM: a qualitative study
Closson EF, Mitty JA, Malone J, Mayer KH, Mimiaga MJ. AIDS Care. 2017 Aug 22:1-8. doi: 10.1080/09540121.2017.1360992. [Epub ahead of print] PMID: 28830220

The use of recreational drugs while having sex is associated with increased HIV incidence among men who have sex with men (MSM). Taking a daily antiretroviral pill, or pre-exposure prophylaxis (PrEP) is a biomedical intervention to prevent HIV. However, the efficacy of PrEP is closely tied with high levels of adherence. While PrEP has the potential to reduce HIV acquisition, the use of recreational drugs may impede adherence. We explored perceptions of PrEP utilization and regimen preferences among 40 HIV-negative, MSM who reported concurrent recreational drug use and condomless anal sex with a man.

Optimal HIV postexposure prophylaxis regimen completion with single tablet daily Elvitegravir/Cobicistat/Tenofovir Disoproxil Fumarate/Emtricitabine compared with more frequent dosing regimens
Mayer KH, Jones D, Oldenburg C, Jain S, Gelman M, Zaslow S, Grasso C, Mimiaga MJ. J Acquir Immune Defic Syndr. 2017 Aug 15;75(5):535-539. doi: 10.1097/QAI.0000000000001440. 

HIV-exposed individuals may benefit from PEP, but completion rates have been suboptimal because of regimen complexity and side effects. Newer antiretroviral combinations coformulated as single daily pills may optimize PEP adherence. One hundred HIV-uninfected individuals who presented to a Boston community health center after an acute HIV sexual exposure were enrolled and initiated PEP with the daily, single-pill combination Quad pill for a 28-day course.

Impact of insurance coverage on utilization of pre-exposure prophylaxis for HIV prevention
Patel RR, Mena L, Nunn A, McBride T, Harrison LC, Oldenburg CE, Liu J, Mayer KH, Chan PA. PLoS One. 2017 May 30;12(5):e0178737. doi: 10.1371/journal.pone.0178737. eCollection 2017.

Pre-exposure prophylaxis (PrEP) can reduce U.S. HIV incidence. We assessed insurance coverage and its association with PrEP utilization. We reviewed patient data at three PrEP clinics (Jackson, Mississippi; St. Louis, Missouri; Providence, Rhode Island) from 2014-2015. The outcome, PrEP utilization, was defined as patient PrEP use at three months. Multivariable logistic regression was performed to determine the association between insurance coverage and PrEP utilization. Of 201 patients (Jackson: 34%; St. Louis: 28%; Providence: 28%), 91% were male, 51% were White, median age was 29 years, and 21% were uninsured; 82% of patients reported taking PrEP at three months. Insurance coverage was significantly associated with PrEP utilization. After adjusting for Medicaid-expansion and individual socio-demographics, insured patients were four times as likely to use PrEP services compared to the uninsured (OR: 4.49, 95% CI: 1.68-12.01; p = 0.003). Disparities in insurance coverage are important considerations in implementation programs and may impede PrEP utilization.

Resist diabetes: A randomized clinical trial for resistance training maintenance in adults with prediabetes
Davy BM, Winett RA, Savla J, Marinik EL, Baugh ME, Flack KD, Halliday TM, Kelleher SA, Winett SG, Williams DM, Boshra S. PLoS One. 2017 Feb 23;12(2):e0172610. doi: 10.1371/journal.pone.0172610. eCollection 2017.

Sedentary, overweight/obese (BMI: 25-39.9 kg/m2) adults aged 50-69 (N = 170) with prediabetes participated in the 15-month trial. Participants completed a supervised 3-month RT (2×/wk) phase and were randomly assigned (N = 159) to one of two 6-month maintenance conditions: SCT or standard care. Participants continued RT at a self-selected facility. The final 6-month period involved no contact. Assessments occurred at baseline and months 3, 9, and 15. The SCT faded-contact intervention consisted of nine tailored transition (i.e., supervised training to training alone) and nine follow-up sessions. Standard care involved six generic follow-up sessions. Primary outcomes were prevalence of normoglycemia and muscular strength.

A tailored video intervention to reduce smoking and environmental tobacco exposure during and after pregnancy: Rationale, design and methods of Baby's Breath
Risica PM, Gavarkovs A, Parker DR, Jennings E, Phipps M. Contemp Clin Trials. 2017 Jan;52:1-9. doi: 10.1016/j.cct.2016.10.010. Epub 2016 Nov 4.

Low-cost interventions to decrease environmental tobacco smoke (ETS) exposure of pregnant women and their newborns are needed to lower health risks of exposed fetuses and infants. Baby's Breath is a tailored video intervention developed and tested in a randomized controlled trial. The study aimed to test the efficacy of tailored video versus usual care approaches to reduce the ETS exposure of fetuses of low-income women during and after pregnancy; and to assess this intervention separately among non-smoking and smoking women. Participating women, recruited early in pregnancy, who spoke English, were at least 18years old, smoke exposed (current smokers, quit smoking on their own, or were exposed to smoke of others), pregnant with only one baby, and had access to a telephone and video player, were randomized to experimental or control conditions.

Multiple syndemic psychosocial factors are associated with reduced engagement in HIV care among a multinational, online sample of HIV-infected MSM in Latin America
Biello KB, Oldenburg CE, Safren SA, Rosenberger JG, Novak DS, Mayer KH, Mimiaga MJ. AIDS Care. 2016;28 Suppl 1:84-91. PMCID: PMC4828614.

Latin America has some of the highest levels of antiretroviral therapy (ART) coverage of any developing region in the world. Early initiation and optimal adherence to ART are necessary for improved health outcomes and reduction in onward transmission. Previous work has demonstrated the role of psychosocial problems as barriers to uptake and adherence to ART, and recently, a syndemic framework has been applied to the role of multiple psychosocial syndemic factors and adherence to ART, in the USA. However, to our knowledge, these associations have not been investigated outside of the USA, nor in a multi-country context. To address these gaps, we assessed the association between multiple co-occurring psychosocial factors and engagement in HIV-related medical care and adherence to ART among a large, multinational sample of sexually-active HIV-infected men who have sex with men in Latin America. 

Associations between discrimination and cardiovascular health among Asian Indians in the United States
Nadimpalli SB, Dulin-Keita A, Salas C, Kanaya AM, Kandula NR. J Immigr Minor Health. 2016 Dec;18(6):1284-1291. PMCID: PMC5095926.

Asian Indians (AI) have a high risk of atherosclerotic cardiovascular disease. The study investigated associations between discrimination and (1) cardiovascular risk and (2) self-rated health among AI. Higher discrimination scores were hypothesized to relate to a higher cardiovascular risk score (CRS) and poorer self-rated health. Asian Indians (n = 757) recruited between 2010 and 2013 answered discrimination and self-reported health questions. The CRS (0-8 points) included body-mass index, systolic blood pressure, total cholesterol, and fasting blood glucose levels of AI. Multiple linear regression analyses were conducted to evaluate relationships between discrimination and the CRS and discrimination and self-rated health, adjusting for psychosocial and clinical factors.

Downstream consequences of melanoma screening in a community practice setting: First results
Weinstock MA, Ferris LK, Saul MI, Geller AC, Risica PM, Siegel JA, Solano FX, Kirkwood JM. Cancer. 2016 Oct 15;122(20):3152-3156. PMID: 27391802

Population-based screening for the early detection of melanoma holds great promise for reducing melanoma mortality, but evidence is needed to determine whether benefits outweigh risks. Skin surgeries and dermatology visits after screening were assessed to indicate potential physical, psychological, and financial consequences.