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| Name | Class |
|---|---|
| UNITAID | OTHER |
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This mixed methods study will utilize a randomized step-wedge design to assess the impact of point-of-care (POC) versus conventional early infant diagnosis (EID) on key outcomes including timely return of results to caregivers and time to initiation on treatment for HIV-infected infants. Data will be collected through longitudinal clinical follow-up and medical chart extraction of routine records and lab forms. Feasibility and acceptability data will be collected through interviews with mothers/caregivers of HIV-exposed infants, and community focus groups.
This study seeks to evaluate the impact of point of care (POC) early infant HIV diagnosis (EID) on turn-around time from sample collection until notification of parents/caregivers of test result, linkage to care, and time to initiation of treatment, and early retention in HIV care (3-6 months) for those infected.
The study will take place in two countries, Zimbabwe and Kenya, with high HIV prevalence, and where EGPAF-supported POC EID platforms are being implemented as part of a Unitaid-funded POC EID project. As part of POC program implementation activities, in each country up to 50 EGPAF-supported sites will implement POC EID platforms. These sites may be prevention of mother-to-child transmission (PMTCT) of HIV clinics, HIV clinics or multidisciplinary health facilities. Project sites have been selected as part of the program implementation. In each country, 18 sites will be randomly selected as study sites for the impact evaluation.
Using a stepped wedge design, the intervention (the POC EID platforms) will be rolled out sequentially to the study facilities over three randomly-assigned time periods. Quantitative data will be derived from routine medical and laboratory charts and longitudinal tracking and follow-up of HIV-infected infants.
Qualitative data on feasibility and acceptability of POC will be derived from in-depth interviews with mothers/caregivers of HIV-exposed infants at the beginning and end of the study and community focus group discussions at the end of the study.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Standard of Care Early Infant Diagnosis | Active Comparator | Conventional laboratory based (standard of care - SOC) early infant diagnosis (EID) testing: SOC EID |
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| Point of Care Early Infant Diagnosis | Experimental | The intervention is Point of Care (POC) early infant diagnosis (EID) testing, where the blood sample is processed at either the facility itself or a nearby site that is closer to the facility than a laboratory. With POC EID, blood samples do not have to travel to the laboratory for processing. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Point of Care Early Infant Diagnosis | Diagnostic Test | HIV testing where the blood sample is processed at either the facility itself or a nearby site that is closer to the facility than a laboratory. With POC EID, blood samples do not have to travel to the laboratory for processing. |
| Measure | Description | Time Frame |
|---|---|---|
| Percentage of HIV exposed infants (HEI) who have received the 4-6 week EID test result by 12 weeks | The number of children for whom a sample was drawn for the 4-6-week indication receiving EID result by 12 weeks, divided by the number of HEI who presented to the clinic and had an indication for 4-6 week EID testing | 12 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Testing coverage for the 4-6 week indication | Number of EID samples collected for 4-6 week indication divided by the number of HEI who presented to the clinic and had an indication for 4-6 week EID testing | 18 months |
| Time from sample collection for 4-6 week EID test indication to parent's/ caregiver notification |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Emma Sacks, PhD | George Washington University School of Public Health | Principal Investigator |
| Collins Odhiambo, MD | Elizabeth Glaser Pediatric Aids Foundation - Kenya | Principal Investigator |
| Agnes Mahomva, MD | Elizabeth Glaser Pediatric Aids Foundation - Zimbabwe | Principal Investigator |
| Jennifer Cohn, MD MPH | Elizabeth Glaser Pediatric AIDS Foundation | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Elizabeth Glaser Pediatric AIDS Foundation | Nairobi | Kenya | ||||
| Elizabeth Glaser Pediatric AIDS Foundation |
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| ID | Term |
|---|---|
| D000163 | Acquired Immunodeficiency Syndrome |
| ID | Term |
|---|---|
| D015658 | HIV Infections |
| D000086982 | Blood-Borne Infections |
| D003141 | Communicable Diseases |
| D007239 | Infections |
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The design of this study is a cluster-randomized stepped wedge trial. This is whereby an intervention is rolled out sequentially to the study facilities over a number of time periods. The order in which the different clusters receive the intervention is determined at random and by the end of random allocation, all facilities will have received the intervention. Testing sites (determined from the list of all project facilities excluding pilot sites) will be randomized regarding timing of POC implementation; sites that serve as "hub" sites and their associated "spoke" sites will be given the same designation. The study will use a mixed method approach in data collection, and a qualitative component will also be conducted, including interviews and focus groups.
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| Standard of Care Early Infant Diagnosis | Diagnostic Test | Conventional laboratory based EID testing |
|
|
Date of sample collection to the date that results were given to care giver |
| 18 months |
| Age of patient at test result notification for 4-6 week EID test indication | HEIs date of birth, date of sample collection and date of result notification to care giver | 18 months |
| Time from test result received for 4-6 week EID test to initiation of ART, for HIV-infected infants | Date positive result received at facility to the date the result was communicated to mother and date of ART initiation | 18 months |
| Percentage of HIV positive infants diagnosed during 4-6 week EID testing initiated on ART | Number of HIV-infected infants initiated on ART after 4-6 week EID test divided by the number of HIV-infected infants identified after 4-6 week EID test | 18 months |
| Number of HIV-infected infants diagnosed at the 4-6 week EID with retention in care at 6 months | Total number of infants initiated on ART 6 months ago and number of active on ART at 6 months | 24 months |
| Harare |
| Zimbabwe |
| D015229 |
| Sexually Transmitted Diseases, Viral |
| D012749 | Sexually Transmitted Diseases |
| D016180 | Lentivirus Infections |
| D012192 | Retroviridae Infections |
| D012327 | RNA Virus Infections |
| D014777 | Virus Diseases |
| D012897 | Slow Virus Diseases |
| D000091662 | Genital Diseases |
| D000091642 | Urogenital Diseases |
| D007153 | Immunologic Deficiency Syndromes |
| D007154 | Immune System Diseases |