World AIDS Day: Q&A with Dr Aaloke Mody

For World AIDS Day 2024, Dr Aaloke Mody, Associate Editor for Implementation Science Communications, offers insight into HIV/AIDS research and his hopes for the future.
World AIDS Day: Q&A with Dr Aaloke Mody
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Why did you decide to go into your field of research?

I hadn’t always wanted to be a physician. During college, I was drawn towards medicine because of the prospect of working in global and public health as a strategy to combat the legacies of socioeconomic and political injustices and inequities. At that time, deaths from HIV were at their peak and global health efforts to combat HIV worldwide were really ramping up, so infectious diseases seemed like a natural choice. As I progressed through training, this choice was reified as I saw how the HIV field was very often at the forefront of acknowledging that so many factors beyond biomedical and clinical issues—like social determinants of health—were going to determine whether treatment was successful or not. If we couldn’t deliver care that supported individuals remaining retained in care and adherent to medications, and following through with treatment plans, our care would not achieve the desired outcomes regardless of how advanced our therapies had become and the clinical decisions we made. The first time I heard of “implementation science” was during my internal medicine residency training, and I realized that this was an academic home for the types of questions that I thought mattered most. How do we design care delivery to ensure that we are maximizing the population-level impact of the interventions and advances we have? Since then, I have been focused on building a research career on trying to help answer that question. 

How has knowledge of HIV/AIDS developed over the course of your career?

The story of HIV over the past few decades is really a remarkable one. In the first 30 years, HIV went from an unknown virus to have multiple highly simple and highly efficacious medications available for both treatment and prevention (e.g., PrEP and treatment as prevention). In the past 15 years, I would say the global HIV treatment response has really evolved into understanding how to ensure we can get these remarkable and life-saving therapies to everyone in the world living with HIV. This has naturally drawn a lot of attention to learning how to best deliver care, including how to make sure it is more person-centered, flexible, and tailored for addressing barriers across diverse populations. These innovations have not only been important for HIV, but they have also helped make HIV care a model for chronic disease care delivery, even for diseases that have been around much longer like hypertension and diabetes. For example, challenges with retention and reengagement in care also significantly limit optimal health outcomes in other lifelong chronic diseases, but there are has historically been less attention on these issues. Although innovations in care delivery is where most of my research focus is, it is important to note other biomedical advances, particularly with long-acting injectable therapies. We are just seeing the first generation of these products, but full treatment regimens that can be administered once every 6 months are on the horizon and have potential to completely alter what is needed for successful care delivery.

What challenges do those from low- and middle-income countries in particular face?

There are both challenges and enormous promise from the HIV response in low- and middle-income countries. Many of the challenges are well-known and include inadequately funded public health infrastructure, limited access to new advances, particularly long-acting injectable therapies, reductions in global health funding as well as socioeconomic and political inequities driven by legacies of colonialism and racism, legal discrimination and punitive laws, and gender inequity and violence. At every level of society (global, country, city, neighborhood-level), inequalities continue to drive the HIV epidemic and equitable access to prevention and treatment services across all populations is needed. At the same time, I think there is a lot of promise in the HIV response in low- and middle-income countries. Many countries, particularly in Africa, have HIV care cascades (i.e., the proportion of the population with HIV who have been successfully diagnosed, started on medications, and achieved viral suppression) that indicate better outcomes than in high income countries like the US. Much of the innovation in care delivery is being driven by HIV research and programs in low- and middle-income countries, and they serve as a model for high-income countries to learn from.

What does public engagement look like in your field and how important do you think it is for researchers to make a societal impact with their work?

Active public engagement has always been a cornerstone of the HIV response. From the early days, there was a lot of activism in HIV to ensure that scientific advances actually led to impact in people’s lives, initially by speeding up the drug pipeline when no effective regimens were available and later around ensuring access to medications globally. Given my focus on implementation science, it is not surprising that I feel strongly that the research we do should have a fairly direct societal impact. It is critical at the inception to engage individuals and community in framing the important questions to be answered and designing the research study to ensure that it will yield results that will meet the needs and preferences of that community. In our work, we often employ methods like quantitative preference studies (e.g., discrete choice and best-worse scaling experiments), human centered design, and other mixed methods evaluations to ensure that our work is maximally relevant for the intended population. At the other end, I think the researcher’s role in helping to ensure that their findings get appropriately disseminated into policy and practice is also being increasingly recognized. In truth, there are many scientific questions regarding how to optimally disseminate research findings to ensure they have societal impact, and we are only at the beginning of the journey in answering them.

What are your hopes for progress in the future?

There are numerous, but broadly speaking, I am looking forward to seeing how lessons from HIV will be leveraged in building up person-centered care delivery systems that integrate care beyond typical disease silos. How do we ensure that care delivery systems are flexible enough to ensure they are accommodating to everyone’s needs and preferences, rather than the other way around. Also, there is already a growing body of research on integrating care for one or two other diseases with HIV, but I think these sets of questions can be taken several steps forward: what does an integrated person-centered health system that provides comprehensive care for HIV treatment and prevention, hypertension, diabetes, cancer screening, mental health, and beyond? Many of the building blocks are there but is yet to be seen how they all fit together across different contexts. In recent Seminar paper1 that we wrote, we actually discuss these issues more in depth our perspectives on the current state of the HIV response and where it is heading.

  1. Mody A, Sohn AH, Iwuji C, Tan RKJ, Venter F, Geng EH. HIV epidemiology, prevention, treatment, and implementation strategies for public health. The Lancet 2024; 403(10425): 471-92.

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Generalizing and Context in Implementation Research: Tensions and Opportunities

Implementation science both emphasizes the primacy of context but also seeks — as a scientific endeavor — generalizable or transferable insights and inferences that apply or inform across those settings. Implementing contexts are highly variable social, organizational, and community systems. Similarly, the nature of influence, power, and positionality varies across the relationships in these specific systems. Across such environments, singular insights about the effects of strategies, their barriers, facilitators, or even mechanisms cannot be expected to be invariant. Yet accepting the premise in implementation science that every context is unique seemingly precludes one of the central features of the discipline itself, which is to seek insights that apply widely and are useful for prediction. How does implementation science reconcile its pursuit of scientific legitimacy and generalizing while maintaining its commitment to understanding what works, for whom, and under what circumstances — when these circumstances vary?

In the growth of implementation science, scientific capacity and resources have been not equitably distributed, and we find a preponderance to generalize views that are particular, historical, and situated primarily in the Global North to the Global South. The same can be said for generalizing to marginalized settings within HIC. Although adaptation has been proposed to salvage such claims, there might also be a need to challenge existing routes of generalizing that reflect power more than science.

In order to address this tension, we seek a range of papers that address the question of generalizability in implementation science. We seek contributions that will contextualize the implications of this tension between generalizability and specificity to context and draw from other disciplines to explore methods and approaches to advance this area of inquiry. While context and generalizing are often discussed in implementation research, additional investment in this conversation can help untangle, flesh out, and even reconcile the perceived contradiction between context and generalizability. In this call, we seek to go beyond focusing on the importance of context and challenges in generalization in order to garner insights on how to address emergent issues and move key concepts and innovative frameworks in the field forward. Submissions that are responsive to this call will use various forms of evidence to address one or more of the following:

• Examine and interrogate the promises and pitfalls of key concepts in implementation science and their generalizability across settings, including HIC and LMIC settings.

• Discuss the implications for knowledge generation practices in implementation science; for example, contributors may consider how they ensure voices from the margins are included in this generative process.

• Produce both qualitative and quantitative insights that apply across contexts and accommodate heterogeneity. This may include an interrogation of the nature and notion of drawing inferences across settings.

• Utilize advanced qualitative methods to inform generalizability and transferability in implementation science, which may be inclusive of the use of non-traditional qualitative methods.

• Interrogate core elements of context and what needs to be known about them for generalizability.

• Consider the role of mechanisms and their use for bridging specificity to context and generalizability.

• Evaluate theoretical perspectives on context and generalizability, including the mobilization of critical theory, transportability, and/or realist approaches.

• Undertake a social epistemological analysis of generalizability in implementation science, accounting for situated and embodied knowledge, the social genesis, and positionality of ideas that constitute knowledge in a given context.

This Collection supports and amplifies research related to SDG 3, Good Health and Well-Being, SDG 4, Quality Education, SDG 10, Reduced Inequalities, and SDG 17, Partnerships for the Goals.

This collection is open for submissions from all authors on the condition that the manuscript falls within the scope of the collection and the journal it is submitted to.

All submissions in this collection undergo the relevant journal’s standard peer review process. Similarly, all manuscripts authored by a Guest Editor(s) will be handled by the Editor-in-Chief of the relevant journal. As an open access publication, participating journals levy an article processing fee (Implementation Science fees, and Implementation Science Communications fees). We recognize that many key stakeholders may not have access to such resources and are committed to supporting participation in this issue wherever resources are a barrier. For more information about what support may be available, please visit OA funding and support, or email OAfundingpolicy@springernature.com or the Editor-in-Chief of the journal where the article is being submitted.

Publishing Model: Open Access

Deadline: Mar 01, 2025