872 studies found for:    "Observational" [STUDY-TYPES] AND HIV [CONDITION]
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Rank Status Study
21 Completed Linkage to Care - Part II
Conditions: HIV;   Care-seeking;   HIV Infections
Interventions: Other: Case Management;   Other: Snowball sampling;   Other: Referral Lists
22 Active, not recruiting Mobile Phone Technology for Prevention of Mother-to-Child Transmission of HIV: Acceptability, Effectiveness, and Cost
Conditions: HIV;   HIV Infections;   AIDS;   Antiretroviral Therapy
Interventions: Behavioral: Control;   Behavioral: Intervention
23 Unknown  Study to Assess Neuroinflammation and Neurocognitive Function in Patients With Acute Hepatitis C and Chronic HIV Co-Infection - A Positron Emission Tomography (PET) Study
Conditions: Acute Hepatitis C;   HIV;   HIV Infections
Intervention:
24 Completed A Comparison of Two Caloric Supplements in the Prevention of Weight Loss in Patients With AIDS Who Take Daily Multivitamin and Mineral Supplements
Conditions: HIV Infections;   HIV Wasting Syndrome
Interventions: Dietary Supplement: Multivitamin and mineral supplements;   Dietary Supplement: Peptamen;   Dietary Supplement: NuBasics
25 Active, not recruiting Alveolar Macrophage Proteomics in HIV-associated Emphysema
Conditions: HIV;   Emphysema;   HIV Infections
Intervention:
26 Recruiting Validation of a Simple and Cost-Effective Nucleic Acid Test for HIV Detection
Conditions: HIV;   HIV Infections
Intervention:
27 Unknown  Preparing for Adolescent HIV Vaccine Trials in South Africa:
Conditions: HIV Infection;   HIV Infections
Intervention:
28 Withdrawn Accuracy of the Pima™ CD4 Test for Enumeration of CD4+ T-Cell Counts
Conditions: HIV Infection;   AIDS;   HIV Infections
Intervention:
29 Completed ID and Testing Via Friendship Networks
Conditions: Asymptomatic HIV;   HIV Infections
Interventions: Other: Index Recruiter;   Other: Friendship Network Member
30 Completed Human Atherosclerotic Plaque Inflammation Imaged Using PDG-PET/CT
Conditions: Insulin Resistance;   Atherosclerosis;   Cardiovascular Disease;   HIV/AIDS;   HIV Infections
Intervention:
31 Unknown  Determining the Prevalence of HIV-Related Neurological Disorders in the Asia Pacific
Conditions: HIV Infections;   HIV Related Neurological Diseases
Intervention:
32 Completed Analysis of Immune Responses to HIV Vaccines
Conditions: Acquired Immunodeficiency Syndrome;   HIV Infections
Intervention:
33 Completed A Blood Test to Look at Cells of the Immune System in Healthy Children
Conditions: HIV Infections;   HIV Seronegativity
Intervention:
34 Active, not recruiting Epidemiology and Pathogenesis of HIV-Associated Pulmonary Hypertension
Conditions: HIV Infection;   Pulmonary Hypertension;   Endothelial Function;   HIV Infections
Intervention:
35 Completed HIV Incidence and Participation Retention in Pune, India
Conditions: HIV Infections;   HIV Seronegativity
Intervention:
36 Completed HIV and Genital Herpes Among High-Risk Men Who Have Sex With Men (MSM) in Lima, Peru
Conditions: HIV Infections;   Herpes Genitalis;   HIV Seronegativity;   Syphilis
Intervention:
37 Completed Efficacy and Safety of Single Versus Double Ritonavir-Boosted Protease Inhibitor (PI)-Based Antiretroviral Therapy (ART) Regimens
Conditions: HIV Infection;   HIV Infections
Interventions: Drug: ritonavir-boosted PI-based second line treatments;   Drug: two PIs boosted by low dose ritonavir or one PI plus full dose ritonavir
38 Completed Retrovirus Epidemiology Donor Study-II (REDS-II)
Conditions: Acquired Immunodeficiency Syndrome;   Blood Donors;   Blood Transfusion;   HIV Infections;   HIV-1;   HIV-2;   HTLV-I;   HTLV-II;   Retroviridae Infections;   Hepatitis, Viral, Human;   Hepatitis B;   Hepacivirus;   West Nile Virus
Intervention:
39 Completed Retrovirus Epidemiology Donor Study I (REDS I)
Conditions: Acquired Immunodeficiency Syndrome;   Blood Donors;   Blood Transfusion;   HIV Infections;   HIV-1;   HIV-2;   HTLV-I;   HTLV-II;   Retroviridae Infections
Intervention:
40 Completed Reassessment of the Nutritional Status in Thai Orphans Living With HIV in a Family Style Community
Conditions: HIV Infection;   HIV Infections
Intervention:

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Indicates status has not been verified in more than two years