Task Shifting to Treat Depression and HIV Medication Nonadherence in Low Resource Settings

May 27, 2026 updated by: Dr Melanie Abas, King's College London

The TENDAI Study: Task Shifting to Treat Depression and HIV Medication Nonadherence in Low Resource Settings

A hybrid effectiveness-efficacy trial to evaluate a stepped care task shifted intervention to treat depression and HIV medication nonadherence in low resource settings in rural Zimbabwe.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Depression is commonly co-morbid with HIV infection in Zimbabwe and is consistently associated with worse adherence to antiretroviral therapy (ART). A task-shifted intervention for depression and ART adherence, suitable for delivery by non-specialists, could make a critical difference to the health and survival of people managing the challenges of HIV treatment in Zimbabwe. The TENDAI trial is a two-arm randomized controlled trial of an intervention for people on ART with viral non-suppression and clinically significant depression. It will be delivered at an HIV clinic in Marondera. TENDAI is a collaboration between the Department of Psychiatry, University of Zimbabwe College of Health Sciences, King's College London Institute of Psychiatry, Psychology and Neuroscience (London UK), and the Department of Psychiatry at Massachusetts General Hospital / Harvard Medical School.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
280

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Contact Backup

Study Locations

  • Zimbabwe
    • Mashonaland East Province
      • Marondera, Mashonaland East Province, Zimbabwe
        • Marondera Provincial Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Initiated on ART for at least 6 months
  • Clinically significant depression symptoms scoring >/= 10 on the Patient Health Questionnaire-9
  • Viral non-suppression in past two months per local clinic standard (VL > 1000 copies/mL)
  • Able to provide informed consent
  • If prescribed antidepressants, on stable regimen for at least 2 months

Exclusion Criteria:

  • Unable to provide informed consent
  • Active major mental illness (e.g. untreated psychosis or mania, actively suicidal), major untreated or undertreated mental illness or advanced physical disease or severe cognitive impairment assessed using the psychosis module of the MINI, the PHQ-9, and the International HIV dementia Scale which would interfere with engagement in PST-AD
  • Has ever received PST or CBT for depression
  • Less than 18 years of age

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Stepped care for non-adherence and depression
Participants will be randomized approximately two weeks post-baseline. Those randomized to the experimental condition will receive the Intervention and Stepped Care Treatment Protocol
Behavioral: Stepped care for nonadherence and depression
  • Problem Solving for Depression and Adherence: A 6-session adherence and depression intervention based on a culturally adapted LifeSteps and Problem Solving Therapy for Depression.
  • Stepped Care Assessment for Antidepressant Treatment: If a participant's depression score remains above threshold in Session 6, the study interventionist will refer the participant to a Research Mental Health Nurse for a psychopharmacological assessment to prescribe an antidepressant to augment Problem Solving for Depression and Adherence.
Active Comparator: Enhanced Usual Care
Participants will be randomized two weeks post-baseline. Those randomized to the control condition will receive Enhanced Usual Care.
Other: Enhanced Usual Care
Enhanced Usual Care: A combination of 1) clinic-provided adherence counseling, 2) access to providers trained in the World Health Organization Mental Health Gap Intervention Guide (mhGAP), 3) a letter to the participant's medical provider detailing the depression diagnosis, 4) access to the treatment components of the TENDAI intervention at no cost, after the participant has completed their 12-month follow-up assessment.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Viral Suppression
Time Frame: 12 - month post randomization study visit
Viral Suppression operationalized as proportion of participants who achieve viral suppression (<1000 copies/mL)
12 - month post randomization study visit

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Depression severity
Time Frame: 12-month post randomization study visit
Depression at 12 months post randomization measured as the total score on the Patient Health Questionnaire (PHQ-9). Each of the nine items is scored from 0 (not at all) to 3 (nearly every day). It is used as a continuous score ranging from 0 (no depressive symptoms) to 27 (all symptoms occurring daily/nearly daily).
12-month post randomization study visit
Adherence to ART medication
Time Frame: 4 month post randomization study visit
Adherence to ART medication, assessed as proportion of the sample achieving at least 90% adherence in the past month via pharmacy refill data
4 month post randomization study visit
Adherence to ART medication
Time Frame: 12 month post randomization study visit
Adherence to ART medication, assessed as proportion of the sample achieving at least 90% adherence in the past month via pharmacy refill data
12 month post randomization study visit
Adherence to ART medication
Time Frame: 8 month post randomization study visit
Adherence to ART medication, assessed as proportion of the sample achieving at least 90% adherence in the past month via pharmacy refill data
8 month post randomization study visit
Self-reported adherence to ART medication
Time Frame: 4 month post randomization study visit
Self-reported adherence to ART medication, assessed as the frequency of adherence in the past 30 days
4 month post randomization study visit
Self-reported adherence to ART medication
Time Frame: 12 month post randomization study visit
Self-reported adherence to ART medication, assessed as the frequency of adherence in the past 30 days
12 month post randomization study visit
Self-reported adherence to ART medication
Time Frame: 8 month post randomization study visit
Self-reported adherence to ART medication, assessed as the frequency of adherence in the past 30 days
8 month post randomization study visit
Viral load copies/mL
Time Frame: 12-month post randomization study visit
Viral load copies/mL assessed via Mean Log Viral Load
12-month post randomization study visit

Other Outcome Measures

Other Outcome Measures

For clinical trials, a planned measurement described in the protocol that is used to determine the effect of an intervention/treatment on participants. For observational studies, a measurement or observation that is used to describe patterns of diseases or traits, or associations with exposures, risk factors, or treatment. Types of outcome measures include primary outcome measure and secondary outcome measure.
Outcome Measure
Time Frame
Cost effectiveness of TENDAI Intervention
Time Frame: 12 months
12 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
King's College London

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
National Institute of Mental Health (NIMH)
Massachusetts General Hospital
University of Zimbabwe College of Health Sciences

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Dr Melanie Abas, King's College London

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
July 12, 2019

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
May 31, 2024

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
May 31, 2024

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
July 2, 2019

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
July 11, 2019

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
July 12, 2019

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
May 29, 2026

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
May 27, 2026

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
May 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • MRCZ/A/2390
  • 1R01MH114708-01A1 (U.S. NIH Grant/Contract)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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