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✪ Reimagining policy implementation science in a global context: a theoretical discussion

Authors:

Kellie List, Peter Agamile, Didier Yélognissè Alia, Peter Cherutich, Kristen Danforth, John Kinuthia, Arianna Rubin Means, Irene Mukui, Nancy Ngumbau, Yanfang Su, Anjuli Dawn Wagner, Bryan J Weiner, and Sarah Masyuko

University of Washington affiliated authors are displayed in bold.

✪ Open Access

Published: September 2024

Read the full text in the open access journal Frontiers in Health Services

Abstract:

Introduction

Policy implementation science (IS) is defined here as generating knowledge and deploying implementation strategies to effectively adopt and integrate evidence-based interventions (EBIs) into policy designs and improve policy implementation and effectiveness (1–3). Most existing policy IS scholarly works originate from the Global North (United States, Canada, and Western Europe) and describe or evaluate strategies to increase the uptake of EBIs (4). The existing Global North-generated frameworks focus less on the critical resources needed to formulate and implement a policy in diverse settings. Current approaches to policy IS lack sufficient contextual nuance to be applicable to...[read more].

**This abstract is posted with permission under the Creative Commons Attribution 4.0 International License**

✪ The pathway to delivering injectable CAB for HIV prevention: strategies from global PrEP leaders leveraging an adapted version of the Intervention Scalability Assessment Tool (ISAT)

Authors:

Lauren R. Violette, Kidist Zewdie, Nyawira Gitahi, Kristin Beima-Sofie, & Renee Heffron

University of Washington affiliated authors are displayed in bold.

✪ Open Access

Published: September 2024

Read the full text in the open access journal Implementation Science Communications

Abstract:

Background

Longer-acting cabotegravir (CAB) is a novel, safe, and efficacious pre-exposure prophylaxis (PrEP) for HIV prevention. As we near a time for CAB scale-up, the experience of global leaders in PrEP research and implementation can be leveraged to identify optimal strategies for scaling and integrating CAB into existing PrEP infrastructure worldwide.

Methods

We recruited leaders of HIV prevention clinical trials and large PrEP programs through a combination of purposive and snowball sampling for participation in individual interviews. We conducted interviews using a semi-structured guide that compared CAB to oral PrEP and sought perspectives on barriers and strategies for CAB scale-up. Interviews were conducted virtually, audio recorded, and transcribed. We used thematic analysis, grounded in an adapted version of the Intervention Scalability Assessment Tool (ISAT), to identify critical elements for optimizing delivery of CAB.

Results

From October 2021 to April 2022, we interviewed 30 participants with extensive experience in PrEP research, care, and programming. Participants worked in all seven WHO regions and reported a median of 20 years working in HIV and 10 years in PrEP. Participants agreed that CAB was efficacious and discrete, therefore having the potential to address current concerns about oral PrEP adherence and stigma. Participants indicated direct and indirect costs for provider training, expansion of existing medical infrastructure, and the current medication cost of CAB as major concerns for roll out. The true cost to the end-user and health system were unknown. There were some conflicting strategies on how to best address product targeting, presentation of efficacy, and timing of product availability with scale-up. Some thought that targeting CAB for the general population could normalize PrEP and decrease stigma, while others thought that prioritizing key populations could optimize impact by targeting those with highest risk. Overall, participants emphasized that to ensure successful CAB scale-up, communities and stakeholders must be involved at every stage of planning and implementation.

Conclusions

Our evaluation found that although there is a clear and urgent need for additional HIV PrEP options beyond daily oral PrEP, CAB scale-up must be thoughtful, flexible, and based in lessons learned from oral PrEP rollout.

Contributions to the literature
  • We used the Intervention Scalability Assessment Tool (ISAT), a quantitative tool used to inform decision-making for the scale-up of health interventions, as a framework for a qualitative analysis.
  • To our knowledge, this is the first use of the ISAT to assess scalability of injectable cabotegravir (CAB) for HIV pre-exposure prophylaxis (PrEP).
  • Our findings offer a summary of perspectives from global HIV PrEP leaders, experts, and advocates that can be used to map the process of CAB implementation using existing HIV prevention infrastructure.

**This abstract is posted with permission under the Creative Commons Attribution 4.0 International License**

✪ Changing hearts and minds: theorizing how, when, and under what conditions three social influence implementation strategies work

Authors:

Bryan J Weiner, Rosemary D Meza, Predrag Klasnja, Rebecca Lengnick-Hall, Gretchen J Buchanan, Aaron R Lyon, Kayne D Mettert, Marcella H Boynton, Byron J Powell, and Cara C Lewis

University of Washington affiliated authors are displayed in bold.

✪ Open Access

Published: September 2024

Read the full text in the open access journal Frontiers in Health Services

Abstract:

Background

Opinion leadership, educational outreach visiting, and innovation championing are commonly used strategies to address barriers to implementing innovations and evidence-based practices in healthcare settings. Despite voluminous research, ambiguities persist in how these strategies work and under what conditions they work well, work poorly, or work at all. The current paper develops middle-range theories to address this gap.

Methods

Conceptual articles, systematic reviews, and empirical studies informed the development of causal pathway diagrams (CPDs). CPDs are visualization tools for depicting and theorizing about the causal process through which strategies operate, including the mechanisms they activate, the barriers they address, and the proximal and distal outcomes they produce. CPDs also clarify the contextual conditions (i.e., preconditions and moderators) that influence whether, and to what extent, the strategy's causal process unfolds successfully. Expert panels of implementation scientists and health professionals rated the plausibility of these preliminary CPDs and offered comments and suggestions on them.

Findings

Theoretically, opinion leadership addresses potential adopters' uncertainty about likely consequences of innovation use (determinant) by promoting positive attitude formation about the innovation (mechanism), which results in an adoption decision (proximal outcome), which leads to innovation use (intermediate outcome). As this causal process repeats, penetration, or spread of innovation use, occurs (distal outcome). Educational outreach visiting addresses knowledge barriers, attitudinal barriers, and behavioral barriers (determinants) by promoting critical thinking and reflection about evidence and practice (mechanism), which results in behavioral intention (proximal outcome), behavior change (intermediate outcome), and fidelity, or guideline adherence (distal outcome). Innovation championing addresses organizational inertia, indifference, and resistance (determinants) by promoting buy-in to the vision, fostering a positive implementation climate, and increasing collective efficacy (mechanisms), which leads to participation in implementation activities (proximal outcome), initial use of the innovation with increasing skill (intermediate outcome) and, ultimately, greater penetration and fidelity (distal outcomes). Experts found the preliminary CPDs plausible or highly plausible and suggested additional mechanisms, moderators, and preconditions, which were used to amend the initial CPD.

Discussion

The middle-range theories depicted in the CPDs furnish testable propositions for implementation research and offer guidance for selecting, designing, and evaluating these social influence implementation strategies in both research studies and practice settings.

**This abstract is posted with permission under the Creative Commons Attribution 4.0 International License**

✪ Integrating causal pathway diagrams into practice facilitation to address colorectal cancer screening disparities in primary care

Authors:

Brooke Ike, Ashley Johnson, Rosemary Meza, & Allison Cole

University of Washington affiliated authors are displayed in bold.

✪ Open Access

Published: August 2024

Read the full text in the open access journal BMC Health Services Research

Abstract:

Background

Colorectal cancer (CRC) is the second leading cause of cancer death and the second most common cancer diagnosis among the Hispanic population in the United States. However, CRC screening prevalence remains lower among Hispanic adults than among non-Hispanic white adults. To reduce CRC screening disparities, efforts to implement CRC screening evidence-based interventions in primary care organizations (PCOs) must consider their potential effect on existing screening disparities. More research is needed to understand how to leverage existing implementation science methodologies to improve health disparities. The Coaching to Improve Colorectal Cancer Screening Equity (CoachIQ) pilot study explores whether integrating two implementation science tools, Causal Pathway Diagrams and practice facilitation, is a feasible and effective way to address CRC screening disparities among Hispanic patients.

Methods

We used a quasi-experimental, mixed methods design to evaluate feasibility and assess initial signals of effectiveness of the CoachIQ approach. Three PCOs received coaching from CoachIQ practice facilitators over a 12-month period. Three non-equivalent comparison group PCOs received coaching during the same period as participants in a state quality improvement program. We conducted descriptive analyses of screening rates and coaching activities.

Results

The CoachIQ practice facilitators discussed equity, facilitated prioritization of QI activities, and reviewed CRC screening disparities during a higher proportion of coaching encounters than the comparison group practice facilitator. While the mean overall CRC screening rate in the comparison PCOs increased from 34 to 41%, the mean CRC screening rate for Hispanic patients did not increase from 30%. In contrast, the mean overall CRC screening rate at the CoachIQ PCOs increased from 41 to 44%, and the mean CRC screening rate for Hispanic patients increased from 35 to 39%.

Conclusions

The CoachIQ program merges two implementation science methodologies, practice facilitation and causal pathway diagrams, to help PCOs focus quality improvement efforts on improving CRC screening while also reducing screening disparities. Results from this pilot study demonstrate key differences between CoachIQ facilitation and standard facilitation, and point to the potential of the CoachIQ approach to decrease disparities in CRC screening.

**This abstract is posted with permission under the Creative Commons Attribution 4.0 International License**

✪ The effect of proactive, interactive, two-way texting on 12-month retention in antiretroviral therapy: Findings from a quasi-experimental study in Lilongwe, Malawi

Authors:

Caryl Feldacker, Robin E. Klabbers, Jacqueline Huwa, Christine Kiruthu-Kamamia, Agness Thawani, Petros Tembo, Joseph Chintedza, Geldert Chiwaya, Aubrey Kudzala, Pachawo Bisani, Dumisani Ndhlovu, Johnnie Seyani & Hannock Tweya

University of Washington affiliated authors are displayed in bold.

✪ Open Access

Published: August 2024

Read the full text in the open access journal PLOS One

Abstract:

Background

Retaining clients on antiretroviral therapy (ART) is challenging, especially during the first year on ART. Mobile health (mHealth) interventions show promise to close retention gaps. We aimed to assess reach (who received the intervention?) and effectiveness (did it work?) of a hybrid two-way texting (2wT) intervention to improve ART retention at a large public clinic in Lilongwe, Malawi.

Methods

Between August 2021—June 2023, in a quasi-experimental study, outcomes were compared between two cohorts of new ART clients: 1) those opting into 2wT who received automated, weekly motivation short messaging service (SMS) messages and response-requested appointment reminders; and 2) a matched historical cohort receiving standard of care (SoC). Reach was defined as “the proportion clients ≤6 months of ART initiation eligible for 2wT”. 2wT effectiveness was assessed in time-to-event analysis. Retention was presented in a Kaplan-Meier plot and compared between 2wT and SoC using a log-rank test. The effect of 2wT on ART dropout (lost to follow-up or stopped ART) was estimated using Fine-Gray competing risk regression models, adjusting for sex, age and WHO HIV stage at ART initiation.

Results

Of 1,146 clients screened, 501 were eligible for 2wT, a reach of 44%. Lack of phone (393/645; 61%) and illiteracy (149/645; 23%) were the most common ineligibility reasons. Among 468 participants exposed to 2wT, 12-month probability of ART retention was 91% (95% CI: 88% - 94%) compared to 76% (95% CI: 72% - 80%) among 468 SoC participants (p<0.001). Compared to SoC, 2wT participants had a 65% lower hazard of ART dropout at any timepoint (sub-distribution hazard ratio 0.35, 95% CI: 0.24–0.51; p<0.001).

Conclusions

2wT did not reach all clients. For those who opted-in, 2wT significantly increased 12-month ART retention. Expansion of 2wT as a complement to other retention interventions should be considered in other low-resource, routine ART settings.

**This abstract is posted with permission under the Creative Commons Attribution 4.0 International License**

✪ Are we being equitable enough? Lessons learned from sites lost in an implementation trial

Authors:

Elizabeth J Austin, Jessica Chen, Lori Ferro, Andrew J Saxon, John C Fortney, Geoffrey M Curran, Anna D Ratzliff, & Emily C Williams

University of Washington affiliated authors are displayed in bold.

✪ Open Access

Published: August 2024

Read the full text in the open access journal Implementation Research and Practice

Abstract:

Background

There is a growing interest in practice-based implementation research, yet too often research prioritizes and is most successful in academic settings. During a national implementation trial to evaluate the effectiveness of Collaborative Care for co-occurring opioid use and mental health disorders, we lost three of our 11 participating implementation sites, all representing community sites.

Method

To better understand needed supports for implementation trial participation, we conducted exit interviews (n = 5) with key staff at these community sites. Interview transcripts were double-coded and analyzed using Rapid Assessment Process. Qualitative themes were iteratively reviewed by the study team.

Results

Three themes emerged characterizing challenges for community sites, including that: (1) research threatens sites’ most precious resource—staff; (2) staff lack comfort with and skills for research; and (3) research participation in its current form does not offer a clear return on investment.

Conclusions

Learnings from this work illuminate some of the barriers community sites face when trying to participate in multisite implementation research. An undercurrent of participant perspectives was the belief that community sites like theirs are just not set up to successfully participate in clinical trial research, including population-based implementation trials. Future implementation trials should consider strategies that disrupt traditional approaches, increasing the equitable inclusion of diverse practice settings in implementation research.

Plain Language Summary

There is a growing interest in research that reflects community settings. Yet too often, research is most successful in academic settings. During a national implementation trial to evaluate the effectiveness of Collaborative Care for co-occurring opioid use and mental health disorders, we lost three of our 11 participating implementation sites, all representing community sites. To better understand their perspectives, we conducted exit interviews (n = 5) with staff at these community sites. Interview transcripts were double-coded and analyzed using thematic analysis. Analysis identified three themes: (1) research threatens sites’ most precious resource—staff; (2) staff lack comfort with and skills for research, and (3) research participation in its current form does not offer a clear return on investment. Community sites face many barriers to participating in implementation research trials. Future trials should consider ways to disrupt traditional approaches and increase the equitable inclusion of community settings in implementation research.

**This abstract is posted with permission under the Creative Commons Attribution 4.0 International License**

✪ Implementation of a bilingual and bicultural navigation program for Hispanic children with traumatic brain injuries

Authors:

Celeste N. Garcia, Magaly Ramirez, Tasnia Alam, Linda K. Ko & Nathalia Jimenez

University of Washington affiliated authors are displayed in bold.

✪ Open Access

Published: August 2024

Read the full text in the open access journal Brain Injury

Abstract:

Background

Traumatic brain injury (TBI) disproportionately affects Hispanic children, with higher rates of severe injuries and worse outcomes compared to non-Hispanic White children. Patient navigation has shown effectiveness in improving health outcomes among Hispanic populations. However, culturally tailored navigation programs for pediatric TBI are lacking, and knowledge gaps remain regarding contextual factors influencing the implementation of these programs. This study examined factors that facilitate or hinder the implementation of a bilingual and bicultural navigation program for caregivers of Hispanic children with TBIs.

Methods

In-depth interviews were conducted with 12 personnel involved in implementing the 1st Brain Injury Education and Outpatient Navigation (1st BIEN) program across four states. Directed content analysis was used based on the Consolidated Framework for Implementation Research (CFIR) to guide the development of the interview guide and data analysis.

Results

Key facilitators included the program’s adaptability to patient needs, bilingual/bicultural patient navigator’s skills, and alignment with organizational values. Barriers included restrictive healthcare regulatory policies hindering interinstitutional work, incomplete medical records, and gaps in behavioral support training.

Discussion

These findings offer insights for optimizing the implementation of patient navigation programs in pediatric TBI care, potentially improving access to care and reducing disparities for Hispanic children with brain injuries.

**This abstract is posted with permission under the Creative Commons Attribution 4.0 International License**

✪ Providing HIV-assisted partner services to partners of partners in western Kenya: an implementation science study

Authors:

Monisha Sharma, Barbara Wanjiku Mambo, Hanley Kingston, George Otieno, Sarah Masyuko, Harison Lagat, David A. Katz, Beatrice Wamuti, Paul Macharia, Rose Bosire , Mary Mugambi, Edward Kariithi, and Carey Farquhar

University of Washington affiliated authors are displayed in bold.

✪ Open Access

Published: July 2024

Read the full text in the open access Journal of the International AIDS Society

Abstract:

Introduction

Assisted partner services (APS), or exposure notification and HIV testing for sexual partners of persons diagnosed HIV positive (index clients), is recommended by the World Health Organization. Most APS literature focuses on outcomes among index clients and their partners. There is little data on the benefits of providing APS to partners of partners diagnosed with HIV.

Methods

We utilized data from a large-scale APS implementation project across 31 facilities in western Kenya from 2018 to 2022. Females testing HIV positive at facilities were offered APS; those who consented provided contact information for all male sexual partners in the last 3 years. Male partners were notified of their potential HIV exposure and offered HIV testing services (HTS). Males newly testing positive were also offered APS and asked to provide contact information for their female partners in the last 3 years. Female partners of male partners (FPPs) were provided exposure notification and HTS. All participants with HIV were followed up at 12 months post-enrolment to assess linkage-to antiretroviral treatment (ART) and viral suppression. We compared HIV positivity, demographics and linkage outcomes among female index clients and FPPs.

Results

Overall, 5708 FPPs were elicited from male partners, of whom 4951 received HTS through APS (87% coverage); 291 FPPs newly tested HIV positive (6% yield), an additional 1743 (35.2%) reported a prior HIV diagnosis, of whom 99% were on ART at baseline. At 12 months follow-up, most FPPs were taking ART (92%) with very few adverse events: <1% reported intimate partner violence or reported relationship dissolution. FPPs were more likely than female index clients to report HIV risk behaviours including no condom use at last sex (45% vs. 30%) and multiple partners (38% vs. 19%).

Conclusions

Providing HIV testing via APS to FPP is a safe and effective strategy to identify newly diagnosed females and achieve high linkage and retention to ART and can be an efficient means of identifying HIV cases in the era of declining HIV incidence. The high proportion of FPPs reporting HIV risk behaviours suggests APS may help interrupt community HIV transmission via increased knowledge of HIV status and linkage to treatment.

**This abstract is posted with permission under the Creative Commons Attribution 4.0 International License**

✪ Using FRAME to characterize provider-identified adaptations to a stepped care intervention for adolescents and youth living with HIV in Kenya: a mixed methods approach

Authors:

Nok Chhun, Dorothy Oketch, Kawango Agot, Dorothy I. Mangale, Jacinta Badia, James Kibugi, Wenwen Jiang, Mary Kirk, Barbra A. Richardson, Pamela K. Kohler, Grace John-Stewart & Kristin Beima-Sofie

University of Washington affiliated authors are displayed in bold.

✪ Open Access

Published: July 2024

Read the full text in the open access journal Journal of the International AIDS Society

Abstract:

Introduction

The Data-informed Stepped Care (DiSC) study is a cluster-randomized trial implemented in 24 HIV care clinics in Kenya, aimed at improving retention in care for adolescents and youth living with HIV (AYLHIV). DiSC is a multi-component intervention that assigns AYLHIV to different intensity (steps) of services according to risk. We used the Framework for Reporting Adaptations and Modifications-Expanded (FRAME) to characterize provider-identified adaptations to the implementation of DiSC to optimize uptake and delivery, and determine the influence on implementation outcomes.

Methods

Between May and December 2022, we conducted continuous quality improvement (CQI) meetings with providers to optimize DiSC implementation at 12 intervention sites. The meetings were guided by plan-do-study-act processes to identify challenges during early phase implementation and propose targeted adaptations. Meetings were audio-recorded and analysed using FRAME to categorize the level, context and content of planned adaptations and determine if adaptations were fidelity consistent. Providers completed surveys to quantify perceptions of DiSC acceptability, appropriateness and feasibility. Mixed effects linear regression models were used to evaluate these implementation outcomes over time.

Results

Providers participated in eight CQI meetings per facility over a 6-month period. A total of 65 adaptations were included in the analysis. The majority focused on optimizing the integration of DiSC within the clinic (83%, n = 54), and consisted of improving documentation, addressing scheduling challenges and improving clinic workflow. Primary reasons for adaptation were to align delivery with AYLHIV needs and preferences and to increase reach among AYLHIV: with reminder calls to AYLHIV, collaborating with schools to ensure AYLHIV attended clinic appointments and addressing transportation challenges. All adaptations to optimize DiSC implementation were fidelity-consistent. Provider perceptions of implementation were consistently high throughout the process, and on average, slightly improved each month for intervention acceptability (β = 0.011, 95% CI: 0.002, 0.020, p = 0.016), appropriateness (β = 0.012, 95% CI: 0.007, 0.027, p<0.001) and feasibility (β = 0.013, 95% CI: 0.004, 0.022, p = 0.005).

Conclusions

Provider-identified adaptations targeted improved integration into routine clinic practices and aimed to reduce barriers to service access unique to AYLHIV. Characterizing types of adaptations and adaptation rationale may enrich our understanding of the implementation context and improve abilities to tailor implementation strategies when scaling to new settings.

**This abstract is posted with permission under the Creative Commons Attribution 4.0 International License**