Increasing health policy and systems research capacity in low- and middle-income countries: results from a bibliometric analysis

A conceptual framework from the Philippines to analyse organizational capacities for health policy and systems research

Organizations that perform Health Policy and Systems Research (HPSR) need robust capacities, but it remains unclear what these organizations should look like in practice. We sought to define 'HPSRIs' (pronounced as 'hip-srees', i.e. 'Health Policy and Systems Research Institutions') as organizational models and developed a conceptual framework for assessing their capacities based on a set of attributes. We implemented a multi-method study in the Philippines that comprised: a qualitative analysis of perspectives from 33 stakeholders in the HPSR ecosystem on the functions, strengths and challenges of HPSRIs; a workshop with 17 multi-sectoral representatives who collectively developed a conceptual framework for assessing organizational capacities for HPSRIs based on organizational attributes; and a survey instrument development process that determined indicators for assessing these attributes. We defined HPSRIs to be formally constituted organizations (or institutions) with the minimum essential function of research. Beyond the research function, our framework outlined eight organizational attributes of well-performing HPSRIs that were grouped into four domains, namely: 'research expertise' (1) excellent research, (2) capacity-building driven; 'leadership and management' (3) efficient administration, (4) financially sustainable; 'policy translation' (5) policy orientation, (6) effective communication; and 'networking' (7) participatory approach, (8) convening influence. We developed a self-assessment instrument around these attributes that HPSRIs could use to inform their respective organizational development and collectively discuss their shared challenges. In addition to developing the framework, the workshop also analysed the positionality of HPSRIs and their interactions with other institutional actors in the HPSR ecosystem, and recommends the importance of enhancing these interactions and assigning responsibility to a national/regional authority that will foster the community of HPSRIs. When tailored to their context, HPSRIs that function at the nexus of research, management, policy and networks help achieve the main purpose of HPSR, which is to 'achieve collective health goals and contribute to policy outcomes'.

Community engagement in research addressing infectious diseases of poverty in sub-Saharan Africa: A qualitative systematic review

Though engaging communities in research processes has several advantages and implications, research efforts are poorly embedded in and linked with communities, especially in low- and middle-income countries (LMICs). There is also a need for more empirical evidence on effectively engaging communities in research in LMICs, specifically in Sub-Saharan Africa (SSA). Thus, there is an urgent need to synthesize existing evidence on community engagement experiences in research in SSA. Therefore, this review aimed to synthesize the existing community engagement experiences and related barriers to engaging communities in health research focusing on infectious diseases of poverty in SSA. The systematic review was conducted following the JBI methodology for qualitative systematic reviews. The review included both published and unpublished studies. A thematic analysis approach was used for data synthesis. A total of 40 studies were included in the review. Community engagement in the conceptualization of the research project, analysis, dissemination, and interpretation of the result was rare. On top of this, almost all the research projects engaged the community at a lower level of engagement (i.e., informing or consulting the community at some point in the research process), suggesting the importance of integrating communities in the entire research cycle. The lack of shared control over the research by the community was one of the significant challenges mentioned. This review uncovered that community engagement in the research process is minimal. Nevertheless, the review generated valuable evidence that can inform researchers and research stakeholders to promote effective community engagement in the research process addressing infectious diseases of poverty. Despite these, it requires rigorous primary studies to examine the applicability and usefulness of community engagement, including developing valid metrics of engagement, standardizations of reporting community engagements, and views and understandings of communities and stakeholders on the values, expectations, and concepts of community engagement in research.

"Research ends with publication": a qualitative study on the use of health policy and systems research in Ethiopia

BACKGROUND

Decision-making about the design and implementation of health care policies should be supported by research evidence. This article reports on a qualitative study on the experiences of both research institutes and policymakers in Ethiopia in generating and using research evidence to inform health policy decision-making.

METHODS

Semi-structured interviews were conducted from January through March 2020, with representatives of research institutes and with policymakers in Ethiopia. The data collected during the interviews were analyzed thematically.

RESULTS

Half of the institutions represented had engaged in health policy and systems research (HPSR). These institutes' capacities were limited by multiple factors, including unsupportive research environments; the limited number of researchers with extensive experience; high turnover among senior researchers; lack of staff motivation mechanisms; underdeveloped research culture; limited technical and analytical capacity among researchers; lack of core funding for HPSR; ineffective financial management; and, lack of connections with health policy platforms. Research institutes also lacked the capacity in strategic packaging of findings to influence policy decision-making, although some programs have recently improved in this area. Meanwhile, there lacked a culture of using evidence in policymaking settings. In general, we found that policymakers had poor attitudes towards the quality or value of the evidence, and had little capacity to interpret evidence and apply findings to policy options. As a result, much of the research produced by the institutes have only been relevant academically, with little impact on policy. However, respondents reported that the environment is slowly changing, and the recent creation of a Research Advisory Council at the Ministry of Health offers a promising model.

CONCLUSIONS

Despite some recent changes, in Ethiopia researchers and policymakers alike often tend to consider health policy and systems research (HPSR) to be not very valuable since the findings generated are rarely used for evidence-informed policy development. Research institutes and researchers need to strengthen their technical, analytical, and administrative capacities (through, among other efforts, seeking more funding for research, and better incentives to attract, retain and build skills among qualified researchers); they also need to improve their understanding of the evidence-to-policy cycle and how to engage effectively with policymakers.

Global financing for health policy and systems research: a review of funding opportunities

Health policy and systems research (HPSR) is a neglected area in global health financing. Despite repeated calls for greater investment, it seems that there has been little growth. We analysed trends in reported funding and activity between 2015 and 2021 using a novel real-time source of global health data, the Devex.com database, the world's largest source of funding opportunities related to international development. We performed a systematic search of the Devex.com database for HPSR-related terms with a focus on low- and middle-income countries. We included 'programs', 'tenders & grants' and 'contract awards', covering all call statuses (open, closed or forecast). Such funding opportunities were included if they were related specifically to HPSR funding or had an HPSR component; pure biomedical funding was excluded. Our findings reveal a relative neglect of HPSR, as only ∼2% of all global health funding calls included a discernible HPSR component. Despite increases in funding calls until 2019, this situation reversed in 2020, likely reflecting the redirection of resources to rapid assessments of the impacts of the coronavirus disease 2019 (COVID-19) pandemic. Most identified projects represented small-scale opportunities-commonly for consultancies or technical assistance. To the extent that new data were generated, these projects were either tied to a specific large intervention or were narrow in scope to meet a specific challenge-with many examples informing policy responses to the Covid-19 pandemic. Nearly half of advertised funding opportunities were multi-country projects, usually addressing global policy priorities like health systems strengthening or development of coordinated public health policies at a regional level. The Covid-19 pandemic has shown why investing in HPSR is more important than ever to enable the delivery of effective health interventions and avoid costly implementation failures. The evidence presented here highlights the need to scale up efforts to convince global health funders to institutionalize the inclusion of HPSR components in all funding calls.

How Least Developed to Lower-Middle Income Countries Use Health Technology Assessment: A Scoping Review

Health Technology Assessment (HTA) is a multidisciplinary tool to inform healthcare decision-making. HTA has been implemented in high-income countries (HIC) for several decades but has only recently seen a growing investment in low- and middle-income countries. A scoping review was undertaken to define and compare the role of HTA in least developed and lower middle-income countries (LLMIC). MEDLINE and EMBASE databases were searched from January 2015 to August 2021. A matrix comprising categories on HTA objectives, methods, geographies, and partnerships was used for data extraction and synthesis to present our findings. The review identified 50 relevant articles. The matrix was populated and sub-divided into further categories as appropriate. We highlight topical aspects of HTA, including initiatives to overcome well-documented challenges around data and capacity development, and identify gaps in the research for consideration. Those areas we found to be under-studied or under-utilized included disinvestment, early HTA/implementation, system-level interventions, and cross-sectoral partnerships. We consider broad practical implications for decision-makers and researchers aiming to achieve greater interconnectedness between HTA and health systems and generate recommendations that LLMIC can use for HTA implementation. Whilst HIC may have led the way, LLMIC are increasingly beginning to develop HTA processes to assist in their healthcare decision-making. This review provides a forward-looking model that LLMIC can point to as a reference for their own implementation. We hope this can be seen as timely and useful contributions to optimize the impact of HTA in an era of investment and expansion and to encourage debate and implementation.

Health Policy and Systems Research Capacities in Ethiopia and Ghana: Findings From a Self-Assessment

Government investment in strengthening health policy and systems research capacities is needed to enhance the generation of evidence for effective policy making. Researchers’ engagement in the policy-making process helps shape policy-relevant research and support policy-relevant decisions.

Introduction:

Health systems are complex. Policies targeted at health system development may be informed by health policy and systems research (HPSR). This study assesses HPSR capacity to generate evidence and inform policy in Ethiopia and Ghana.

Methods:

We used a mixed-methods approach including a self-administered survey at selected HPSR institutes and in-depth interviews of policy makers.

Results:

Both countries have limited capacity to generate HPSR evidence, especially in terms of mobilizing adequate funding and retaining a critical number of competent researchers who understand complex policy processes, have the skills to influence policy, and know policy makers’ demands for evidence. Common challenges are limited government research funding, rigidity in executing the research budget, and reliance on donor funding that might not respond to national health priorities. There are no large research programs in either country. The annual number of HPSR projects per research institute in Ethiopia (10 projects) was higher than in Ghana (2.5 projects), Ethiopia has a significantly smaller annual budget for health research. Policy makers in the 2 countries increasingly recognize the importance of evidence-informed policy making, but various challenges remain in building effective interactions with HPSR institutes.

Conclusion:

We propose 3 synergistic recommendations to strengthen HPSR capacity in Ethiopia and Ghana. First, strengthen researchers’ capacity and enhance their opportunities to know policy actors; engage with the policy community; and identify and work with policy entrepreneurs, who have attributes, skills, and strategies to achieve a successful policy. Second, deliver policy-relevant research findings in a timely way and embed research into key health programs to guide effective implementation. Third, mobilize local and international funding to strengthen HPSR capacities as well as address challenges with recruiting and retaining a critical number of talented researchers. These recommendations may be applied to other low- and middle-income countries to strengthen HPSR capacities.

Visualization of scientific collaboration and themes for arbovirus disease in the caribbean: A forty-year trend analysis with focus on dengue, Zika and Chikungunya

BACKGROUND

The (re-)emergence of arboviruses in the Caribbean, and worldwide, is a major public health issue of concern to all scientific research stakeholders. This study aimed to use bibliometric analysis to identify the contribution of Caribbean countries to scientific production regarding the three arboviruses with the greatest impact, namely zika, chikungunya and dengue.

METHOD

Bibliographic data related to arbovirus diseases were collected from three international databases (Web of Science, Pubmed, and Scopus), filtered by Caribbean islands of affiliation. VosViewer was used to identify scientific connections between countries or institutions and to identify research themes.

RESULTS

The dataset comprised 1332 indexed articles, with 50% of articles categorized in the top quartile of quality. Cuba was found to lead research on dengue, with a total of 300 articles, and 18 international connections. The USA-Puerto Rico duo was found to be the leader on emerging arboviruses (Zika and Chikungunya), followed by a predominantly French-language cluster (mainland France, Guadeloupe, Martinique). Key research topics were related to clinical presentations, epidemiology, and research on mosquito-borne viruses CONCLUSIONS: Co-authorship network analysis on emerging arboviruses revealed the dynamics of collaboration, and provides insights into Caribbean collaborations that deserve to be created and consolidated in case of resurgence of new arbovirus epidemics.

Mapping the Research on Health Policy and Services in the Last Decade (2009-2018): A Bibliometric Analysis

Background

Health policy and services is a continuously evolving field of research that can inform prevention and control efforts for a variety of health conditions. The "Healthy China" strategy reflects the demand to formulate health policy that suits China's national needs and goals. Applying bibliometric analysis to grasp the general situation of health policy and services research globally will be conducive to informing China's designated health plans and initiatives.

Method

A bibliometric analysis of 58,065 articles on "Health Policy and Services" topics was conducted. The document type was restricted to journal articles that were published in the Web of Science database between the time parameter of January 1, 2009 to December 31, 2018. Data was collected on indicators such as the annual number of publications in the field of health policy and services, the country where the publication is issued, the publication organization, the source journal, the frequency of citations, research hotspots, and academic areas.

Results

The overall number of articles published in Web of Science on health policy and services research has increased over time. The United States has the largest number of articles in the field. The institution with the highest number of citations in the field is Harvard University and the journal with the most published articles in the field is Health Affairs. Research hotspots in the health policy and services field include topics such as "HIV Infections," "Primary Health Care," "Delivery of Health Care," and "Health Services Accessibility."

Conclusion

Experts in the field of health policy and services globally are dedicated to researching the most effective ways to improve people's health and living standards. There is a certain gap in the depth of health policy and services research between China and developed countries and regions such as Europe or America. China must learn from foreign experience to conduct meaningful and informative research that can aid in the formulation of multi-dimensional health policies in specific areas such as environmental infectious diseases, where attention is needed in areas beyond the medical and health system.

Global health workforce research: Comparative analyses of the scientific publication trends in PubMed

AIM

To analyse the amount of Human Resources for Health (HRH) research publication trends [1990-2019], compared to the broader health policy, systems, and services research (HPSSR).

METHODS

PubMed and its indexation system with Medical Subject Headings (MeSH) are used for this time-trend study. Searches combine MeSH terms for research publications and HPSSR or HRH subjects, except education. Sub-group searches are conducted on: funding support, and high- versus low- and middle-income countries (HICs vs. LMICs). Linear regressions are used for the analysis.

RESULTS

HRH research publications rose exponentially (r²  = 0.94; p < 0.001) from 129 yearly publications in 1990, to 867 in 2018. Yet, HRH research publications had a logarithmic decrease (p < 0.001) in percentage of broader HPSSR publications, from 2.5% to 1.5% [1990-2018]. Funding support increased significantly and linearly (p < 0.001 r²  = 0.88), up to 44% in 2018. The percentage of HRH research publications addressing LMICs grew linearly (p < 0.001; r²  = 0.75), up to 23% in 2018.

CONCLUSION

HRH research publications in the PubMed database increased especially in the more recent years but did not outpace (in earlier times was outpaced) by the growth of HPSSR publications overall. Yearly, HICs still accounted for more than three-quarters of HRH research. These findings can inform global and health research policies.

Does improving the skills of researchers and decision-makers in health policy and systems research lead to enhanced evidence-based decision making in Nigeria?-A short term evaluation

INTRODUCTION

Health care decision makers require capacity to demand and use research evidence for effective decision making. Capacity to undertake health policy and systems research (HPSR) and teaching is low in developing countries. Strengthening the capacity of producers and users of research is a more sustainable strategy for developing the field of HPSR in Africa, than relying on training in high-income countries.

METHODS

Data were collected from 118 participants who had received the capacity building, using a pre-tested questionnaire. Respondents included health research scientists from institutions (producers) and decision makers (users) in the public health sector, in Anambra and Enugu states, southeast Nigeria. Data were collected on participants' progress with proposed group activities in their short- term goals; effects of these activities on evidence-informed decision making and constraints to implementing activities. Univariate analysis was done using SPSS version 16.

FINDINGS

All prioritised activities were carried out. However, responses were low. Highest response for an activity amongst producers was 39.1%, and 44.4% for users. Some of the activities implemented positively influenced changes in practice; like modification of existing policies and programme plans. There was a wide range of responses between producers of evidence (0.0-39.1%) and users (2.7-44.4%) across both study states. Lack of authority to implement activities was the major constraint (42-9-100.0% across activities), followed by financial constraints (70.6%).

CONCLUSION

Capacity building intervention improved skills of a critical mass of research scientists, policymakers and practitioners, towards evidence-based decision making. Participants committed to undertake proposed activities but faced a number of constraints. These need to be addressed, especially the decision space and authority, improving funding to implement activities that influence Getting Research into Policy & Practice (GRIPP). Being at different stages of planning and implementing proposed activities; participants require continuous technical and financial support to successfully implement activities and engage meaningfully within and across professional boundaries and roles, in order to achieve short-, medium- and long- term goals.

Development of the Rehabilitation Health Policy, Systems, and Services Research field: Quantitative Analyses of Publications over Time (1990-2017) and across Country Type

BACKGROUND

Health policy, systems and services research (HPSSR) is increasingly needed to enable better access to, and value of, rehabilitation services worldwide. We aim to quantify the growth of Rehabilitation HPSSR publications since 1990, compared to that of overall rehabilitation research and overall HPSSR.

METHODS

Quantitative, comparative analysis of publication trends using the PubMed database and its indexation system. Comprehensive search filters, based on Medical Subject Headings (MeSH), were built and calibrated to locate research articles with content on HPSSR and rehabilitation of physical impairments. Additional filters were used for locating research publications declaring funding support, publications in rehabilitation journals, and finally publications focused on high-income (HICs) or low- and middle-income countries (LMICs). The same approach was used for retrieving data on comparator fields-overall HPSSR and overall rehabilitation research. Linear regressions, with ANOVA, were used for analyzing yearly publication growths over the 28-year time frame.

RESULTS

Rehabilitation HPSSR publications in PubMed have grown significantly from 1990 to 2017 in the percentage of all rehabilitation research (from 11% to 18%) and all HPSSR (from 2.8% to 3.9%; both p < 0.001). The rate of Rehabilitation HPSSR published in rehabilitation journals did not change significantly over time (p = 0.47). The rates of publications with declared funding support increased significantly, but such growth did not differ significantly from that of the comparator fields. Finally, LMICs accounted for 9.3% of the country-focused rehabilitation HPSSR since 1990, but this percentage value increased significantly (p < 0.001) from 6% in 1990 to 13% in 2017.

CONCLUSION

Rehabilitation HPSSR publications, i.e., those indexed in PubMed with related MeSH terms, have grown in both absolute and relative values. Rehabilitation HPSSR publications focused on LMICs also grew significantly since 1990, but still remained a tiny portion of the Rehabilitation HPSSR publications with country-specific MeSH terms.

The contribution of Dutch doctors in Global Health and Tropical Medicine to research in global health in low- and middle-income countries: an exploration of the evidence

Results from medical research from high-income countries may not apply to low- and middle-income countries. Some expatriate physicians combine clinical duties with research. We present global health research conducted by Dutch medical doctors in Global Health and Tropical Medicine in low- and middle-income countries and explore the value of their research.

We included all research conducted in the last 30 years by medical doctors in Global Health and Tropical Medicine in a low- and middle-income country, resulting in a PhD thesis. Articles and co-authors were found through Medline. More than half of the 18 identified PhD theses concerned maternal health and obstetrics, and the majority of the research was conducted in low-income countries, mostly in rural hospitals. Over 70 local co-authors were involved. Different aspects of these studies are discussed.

Do alcohol control policies work? An umbrella review and quality assessment of systematic reviews of alcohol control interventions (2006 - 2017)

BACKGROUND

The 2010 World Health Organization Global Strategy to Reduce the Harmful Use of Alcohol recommends countries adopt evidence-based interventions.

AIM

To update, summarize, and appraise the methodological rigour of systematic reviews of selected alcohol control interventions in the Strategy.

METHODS

We searched for systematic reviews across PUBMED, EMBase and The Cochrane Library in 2016 and updated in 2017 with no language limits. Two investigators independently in duplicate conducted screening, eligibility, data extraction, and quality assessment using the ROBIS tool. We categorised interventions according to the WHO recommendations, and rated reviews as at high, low or unclear risk of bias. We applied a hierarchical approach to summarising review results. Where overlap existed we report results of high quality reviews and if none existed, by most recent date of publication. We integrated the ROBIS rating with the results to produce a benefit indication.

RESULTS

We identified 42 systematic reviews from 5,282 records. Almost all eligible reviews were published in English, one in German and one in Portuguese. Most reviews identified only observational studies (74%; 31/42) with no studies from low or lower-middle income (LMIC) countries. Ten reviews were rated as low risk of bias. Methodological deficiencies included publication and language limits, no duplicate assessment, no assessment of study quality, and no integration of quality into result interpretation. We evaluated the following control measures as possibly beneficial: 1) community mobilization; 2) multi-component interventions in the drinking environment; 3) restricting alcohol advertising; 4) restricting on- and off-premise outlet density; 5) police patrols and ignition locks to reduce drink driving; and 6) increased price and taxation including minimum unit pricing.

CONCLUSIONS

Robust and well-reported research synthesis is deficient in the alcohol control field despite the availability of clear methodological guidance. The lack of primary and synthesis research arising from LMIC should be prioritised globally.

Knowledge translation for public health in low- and middle- income countries: a critical interpretive synthesis

Background

Effective knowledge translation allows the optimisation of access to and utilisation of research knowledge in order to inform and enhance public health policy and practice. In low- and middle- income countries, there are substantial complexities that affect the way in which research can be utilised for public health action. This review attempts to draw out concepts in the literature that contribute to defining some of the complexities and contextual factors that influence knowledge translation for public health in low- and middle- income countries.

Methods

A Critical Interpretive Synthesis was undertaken, a method of analysis which allows a critical review of a wide range of heterogeneous evidence, through incorporating systematic review methods with qualitative enquiry techniques. A search for peer-reviewed articles published between 2000 and 2016 on the topic of knowledge translation for public health in low- and middle – income countries was carried out, and 85 articles were reviewed and analysed using this method.

Results

Four main concepts were identified: 1) tension between ‘global’ and ‘local’ health research, 2) complexities in creating and accessing evidence, 3) contextualising knowledge translation strategies for low- and middle- income countries, and 4) the unique role of non-government organisations in the knowledge translation process.

Conclusion

This method of review has enabled the identification of key concepts that may inform practice or further research in the field of knowledge translation in low- and middle- income countries.

Electronic supplementary material

The online version of this article (10.1186/s41256-018-0084-9) contains supplementary material, which is available to authorized users.

Institutional capacity to generate and use evidence in LMICs: current state and opportunities for HPSR

BACKGROUND

Evidence-informed decision-making for health is far from the norm, particularly in many low- and middle-income countries (LMICs). Health policy and systems research (HPSR) has an important role in providing the context-sensitive and -relevant evidence that is needed. However, there remain significant challenges both on the supply side, in terms of capacity for generation of policy-relevant knowledge such as HPSR, and on the demand side in terms of the demand for and use of evidence for policy decisions. This paper brings together elements from both sides to analyse institutional capacity for the generation of HPSR and the use of evidence (including HPSR) more broadly in LMICs.

METHODS

The paper uses literature review methods and two survey instruments (directed at research institutions and Ministries of Health, respectively) to explore the types of institutional support required to enhance the generation and use of evidence.

RESULTS

Findings from the survey of research institutions identified the absence of core funding, the lack of definitional clarity and academic incentive structures for HPSR as significant constraints. On the other hand, the survey of Ministries of Health identified a lack of locally relevant evidence, poor presentation of research findings and low institutional prioritisation of evidence use as significant constraints to evidence uptake. In contrast, improved communication between researchers and decision-makers and increased availability of relevant evidence were identified as facilitators of evidence uptake.

CONCLUSION

The findings make a case for institutional arrangements in research that provide support for career development, collaboration and cross-learning for researchers, as well as the setting up of institutional arrangements and processes to incentivise the use of evidence among Ministries of Health and other decision-making institutions. The paper ends with a series of recommendations to build institutional capacity in HPSR through engaging multiple stakeholders in identifying and maintaining incentive structures, improving research (including HPSR) training, and developing stronger tools for synthesising non-traditional forms of local, policy-relevant evidence such as grey literature. Addressing challenges on both the supply and demand side can build institutional capacity in the research and policy worlds and support the enhanced uptake of high quality evidence in policy decisions.

Health policy and systems research collaboration pathways: lessons from a network science analysis

Background

The 2004 Mexico Declaration, and subsequent World Health Assembly resolutions, proposed a concerted support for the global development of health policy and systems research (HPSR). This included coordination across partners and advocates for the field of HPSR to monitor the development of the field, while promoting decision-making power and implementing responsibilities in low- and middle-income countries (LMICs).

Methods

We used a network science approach to examine the structural properties of the HPSR co-authorship network across country economic groups in the PubMed citation database from 1990 to 2015. This analysis summarises the evolution of the publication, co-authorship and citation networks within HPSR.

Results

This method allows identification of several features otherwise not apparent. The co-authorship network has evolved steadily from 1990 to 2015 in terms of number of publications, but more importantly, in terms of co-authorship network connectedness. Our analysis suggests that, despite growth in the contribution from low-income countries to HPSR literature, co-authorship remains highly localised. Lower middle-income countries have made progress toward global connectivity through diversified collaboration with various institutions and regions. Global connectivity of the upper middle-income countries (UpperMICs) are almost on par with high-income countries (HICs), indicating the transition of this group of countries toward becoming major contributors to the field.

Conclusions

Network analysis allows examination of the connectedness among the HSPR community. Initially (early 1990s), research groups operated almost exclusively independently and, despite the topic being specifically on health policy in LMICs, HICs provided lead authorship. Since the early 1990s, the network has evolved significantly. In the full set analysis (1990–2015), for the first time in HPSR history, more than half of the authors are connected and lead authorship from UpperMICs is on par with that of HICs. This demonstrates the shift in participation and influence toward regions which HPSR primarily serves. Understanding these interactions can highlight the current strengths and future opportunities for identifying new strategies to enhance collaboration and support capacity-building efforts for HPSR.