Publications by authors named "J B Nazareno"

Background: Checkpoint inhibitors targeting the programmed cell death 1 (PD-1)/programmed cell death 1 ligand 1 (PD-L1) pathway are effective therapies in a range of immunogenic cancer types. Blocking this pathway with an oral therapy could benefit patients through greater convenience, particularly in combination regimens, and allow flexible management of immune-mediated toxicities.

Methods: PD-L1 binding activity was assessed in engineered dimerization and primary cell target occupancy assays.

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Introduction: Transfeminine adults are impacted by the HIV epidemic in the Philippines, and newly approved modalities of pre-exposure prophylaxis (PrEP), including long-acting injectable (LAI-PrEP), could be beneficial for this group. To inform implementation, we analysed PrEP awareness, discussion and interest in taking LAI-PrEP among Filipina transfeminine adults.

Methods: We utilized secondary data from the #ParaSaAtin survey that sampled Filipina transfeminine adults (n = 139) and conducted a series of multivariable logistic regressions with lasso selection to explore factors independently associated with PrEP outcomes, including awareness, discussion with trans friends and interest in LAI-PrEP.

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Heart rate variability (HRV) can be used to assess changes in output of the parasympathetic nervous system (PNS). Considering that patients with post-traumatic stress disorder (PTSD) often experience disturbances in sleep, arousal, and autonomic functioning, we sought to explore the association of PNS activity during sleep with hyperarousal symptoms of PTSD. Because a broad literature supports the importance of rapid eye movement (REM) sleep in PTSD, REM-sleep features were specifically examined as predictors of PTSD symptom severity.

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Legal protections for people living with HIV (PLHIV) are important for protecting human rights, yet little research has examined how laws translate into awareness and understanding for key populations. The Philippines has recently revised their legal protections for PLHIV in response to its growing HIV epidemic, where HIV-positive gay, bisexual and other men who have sex with men bear the majority of cases. We present findings from interviews with 21 HIV-positive gay, bisexual and other men who have sex with men in Manila, Philippines regarding awareness, understanding, and needs regarding HIV-specific legal protections at the time just before new revisions to the omnibus HIV law were passed.

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Transgender women and cisgender men who have sex with men (trans-WSM and cis-MSM) comprise the majority of new HIV infections in the Philippines. There is limited research in the Philippines on the relationship between having a provider responsive to the needs of these populations and recent engagement in HIV medical services such as HIV testing and treatment. We used multivariate logistic regression to examine the relationship between having a responsive medical provider and engagement in HIV medical services in the past 12 months among an online sample of 318 trans-WSM and cis-MSM in the Philippines.

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