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Catherine Orrell

Director

South African Medical Research Council

South Africa

Research Interests

Articles (20)

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2026

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2025

Collaborators (11)

Nafisa Halim

Reserach Assistant Professor

Boston University

UNITED STATES

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Catriona Waitt

Professor

University of Liverpool

UNITED KINGDOM

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Rene Krause

Head of Division/ Assoc. Prof

University of Cape Town

SOUTH AFRICA

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Michael English

Lead, Health Systems Collaborative and Professor International Child Health

University of Oxford

UNITED KINGDOM

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Tracy Ann Kellermann

Associate Professor

Stellenbosch University

SOUTH AFRICA

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David Glidden

Professor

University of California, San Francisco

UNITED STATES

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Lisa B. Hightow-Weidman

Professor and Associate Dean for Reserach

Florida State University

UNITED STATES

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Paolo Denti

Professor

University of Cape Town

SOUTH AFRICA

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Reuben Robbins

Research Scientist

New York State Psychiatric Institute

UNITED STATES

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Bronwyn Myers

Director

Curtin University

AUSTRALIA

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Lena Skovgaard Andersen

Københavns Universitet

DENMARK

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Catherine Orrell

Research Interests

Articles (20)

Southern African HIV Clinicians Society clinical guideline for the management of older people with HIV

A Stepped Care, Peer-Delivered Intervention to Improve Substance Use and HIV Medication Adherence in Primary Care in South Africa (Project Khanya): Protocol for a Hybrid Type 2 Effectiveness-Implementation Randomized Controlled Trial

Adapting a medication adherence app for adolescents and young adults in Makurdi, Benue State: The Lu Dedoo Project

Complexity of Adherence Challenges: Understanding Syndemic Factors Affecting HIV Treatment Adherence During Treatment Initiation in Cape Town, South Africa

Population pharmacokinetics of ritonavir-boosted atazanavir in subsequent-line treatment in African children with HIV

Cumulative Low-Level Viraemia Is Not Associated with Endothelial Function in Black African Adults With HIV

A Urine Tenofovir Point‐of‐Care Assay Facilitates Positive Antiretroviral Therapy Adherence Discussions Among People Living With HIV and Healthcare Providers—A Mixed‐Methods Evaluation in Cape Town, South Africa

Longitudinal adherence trajectories measured by electronic dose monitoring and viral non suppression in a South African HIV cohort study

Baseline determinants of adherence for drug-sensitive TB treatment in a South African prospective cohort: a focus on HIV infection and anti-retroviral therapy, clinical care access, and TB stigma

A Real-Time Urine Tenofovir Assay Improves Drug Adherence Among People With HIV With Prior Virologic Failure in a Randomized Controlled Trial

Longitudinal patterns of antiretroviral treatment interruptions in a high burden, low-resource setting in South Africa: a retrospective cohort study

Brief Report: Preferences and Acceptability in Methods of Tenofovir Diphosphate in Dried Blood Spots Collection and Feedback in a Cohort of PLWH in Cape Town South Africa

Reduced Metformin Concentrations in Obese Women With Human Immunodeficiency Virus Treated With Dolutegravir

Antiretroviral Therapy Adherence Interventions in the Era of Universal Test and Treat: A Hybrid Systematic-Narrative Literature Review of Global Evidence

The 96-week outcomes and pharmacokinetics of long-acting cabotegravir plus rilpivirine in South Africans

“WhatsApp is best!” Acceptability and feasibility of WhatsApp-based HIV microlearning for healthcare workers in remote South African clinics: A pragmatic, mixed-methods, cluster-randomised trial

Analytical treatment interruption among women with HIV in southern Africa who received VRC01 or placebo in the Antibody Mediated Prevention Study: ATI stakeholder engagement, implementation and early clinical data

Cost-effective pricing of long-acting injectable HIV pre-exposure prophylaxis for adolescent girls and young women in South Africa: a model-based analysis

Dolutegravir regimens have transformed treatment, but ongoing drug resistance research is required to maintain success

A Case of Persistent KSHV Viremia in the Context of HIV, SARS-CoV-2, and Other Co-Infections

Collaborators (11)

Nafisa Halim

Catriona Waitt

Rene Krause

Michael English

Tracy Ann Kellermann

David Glidden

Lisa B. Hightow-Weidman

Paolo Denti

Reuben Robbins

Bronwyn Myers

Lena Skovgaard Andersen

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