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| Name | Class |
|---|---|
| Muhimbili University of Health and Allied Sciences | OTHER |
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The purpose of this study is to analyze stored samples and data collected during the conduct of the study "A Trial of Vitamins in HIV Progression and Transmission" (HD32257). The aims are to examine the effect of vitamin supplementation on HIV infected women during pregnancy on a number of parameters in breastmilk.
The purpose of this study is to analyze stored samples and data collected during the conduct of the study "A Trial of Vitamins in HIV Progression and Transmission" (HD32257). The aims are to examine the effect of vitamin supplementation on HIV infected women during pregnancy
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Vitamin A | Participants in the in the parent study who had been randomized to receive either Vitamin A alone or multivitamins including vitamin A. |
| |
| No Vitamin A | Participants in the parent study who were randomized to receive either multivitamins excluding vitamin A, or placebo. |
| |
| Multivitamins | Participants in the parent study who were randomized to receive multivitamins including vitamin A or multivitamins excluding vitamin A |
| |
| No Multivitamins | Participants from the parent study who had been randomized to vitamin A alone or placebo |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Vitamin A alone | Dietary Supplement | 30 mg beta-carotene plus 5000 IU preformed vitamin A) taken orally once per during pregnancy and lactation |
|
| Measure | Description | Time Frame |
|---|---|---|
| cell-free viral load and/or cell-associated proviral load in breast milk | Delivery, 3 months, and 6 months after delivery | |
| concentration of vitamins A, B12, and E in breast milk | Delivery, 3 months, and 6 months post-delivery | |
| subclinical mastitis | Delivery, 3 months, and 6 months after delivery |
| Measure | Description | Time Frame |
|---|---|---|
| post-natal mother-to-child transmission of HIV | Delivery, 3 months, and 6 months post-delivery | |
| infant mortality and morbidity from diarrhea | Delivery, 3 months and 6 months after delivery | |
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This study is analyzing samples previously collected from the study "A Trial of Vitamins in HIV Progression and Transmission" (HD32257).
The inclusion criteria in this study was:
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The data and samples used in this study are from HIV-infected pregnant women who participated in the "Trial of Vitamins in HIV Transmission and Progression". Between 1995 and 1997, 1,078 African, HIV positive women who were between gestatopm weeks 12 and 27 were recruited. They were followed until August 2003. This study was conducte among 771 of these women, for whom breast milk samples were available at delivery. There were no differences in baseline characteristics between this subset and the originally randomized group of 1,069.
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| Name | Affiliation | Role |
|---|---|---|
| Eduardo Villamor, MD,DrPH | Harvard School of Public Health (HSPH) | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Harvard School of Public Health | Boston | Massachusetts | 02115 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 20739426 | Derived | Villamor E, Koulinska IN, Aboud S, Murrin C, Bosch RJ, Manji KP, Fawzi WW. Effect of vitamin supplements on HIV shedding in breast milk. Am J Clin Nutr. 2010 Oct;92(4):881-6. doi: 10.3945/ajcn.2010.29339. Epub 2010 Aug 25. | |
| 17940544 | Derived | Webb AL, Aboud S, Furtado J, Murrin C, Campos H, Fawzi WW, Villamor E. Effect of vitamin supplementation on breast milk concentrations of retinol, carotenoids and tocopherols in HIV-infected Tanzanian women. Eur J Clin Nutr. 2009 Mar;63(3):332-9. doi: 10.1038/sj.ejcn.1602929. Epub 2007 Oct 17. |
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| ID | Term |
|---|---|
| D001942 | Breast Feeding |
| ID | Term |
|---|---|
| D005247 | Feeding Behavior |
| D001519 | Behavior |
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| ID | Term |
|---|---|
| D014801 | Vitamin A |
| ID | Term |
|---|---|
| D012176 | Retinoids |
| D002338 | Carotenoids |
| D011090 | Polyenes |
| D000475 | Alkenes |
| D006839 |
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Breast milk samples collected from breast at delivery and at 3 month intervals thereafter.
| Multivitamins excluding vitamin A | Dietary Supplement | 30 mg thiamine, 20 mg riboflavin, 20 mg B-6, 100 mg niacin, 50 ug vitamin B-12, 500 mg vitamin C, 30 mg vitamin E, 0.8 mg folic acid taken orally once per day during pregnancy and lactation |
|
| multivitamins including vitamin A | Dietary Supplement | 20 mg thiamine, 20 mg riboflavin, 25 mg vitamin B6, 100 mg niacin, 50 ug vitamin B12, 500 mg vitamin C, 30 mg vitamin E, and 0.8 mg folic acid taken once per day orally during pregnancy and lactation |
|
| Placebo | Other | Placebo pill taken orally once per day during pregnancy and lactation |
|
| a.) CCR5 expression in differentiating monocytes and differentiated monocyte-derived macrophages |
| N/A (in vitro experiment) |
| HIV-1 replication in differentiating monocytes acutely infected with a subtype C HIV-1 clone, differentiated non-dividing MDMs acutely infected with the HIV-1 MJ4 clone, and differentiated non-dividing MDMs chronically infected with the HIV-1 MJ4 clone. | N/A (in vitro experiment) |
| Hydrocarbons, Acyclic |
| D006838 | Hydrocarbons |
| D009930 | Organic Chemicals |
| D053138 | Cyclohexenes |
| D003510 | Cyclohexanes |
| D003516 | Cycloparaffins |
| D006840 | Hydrocarbons, Alicyclic |
| D006844 | Hydrocarbons, Cyclic |
| D013729 | Terpenes |
| D004224 | Diterpenes |
| D010860 | Pigments, Biological |
| D001685 | Biological Factors |