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Clinical Trials as TopicHIV InfectionsHIV SeropositivityClinical Trials, Phase III as TopicClinical Trials, Phase II as TopicTreatment OutcomeClinical Trials, Phase I as TopicResearch DesignDouble-Blind MethodControlled Clinical Trials as TopicHIV SeroprevalenceHIV SeronegativityPatient SelectionRandomized Controlled Trials as TopicTime FactorsHIV-1Prospective StudiesMulticenter Studies as TopicAnti-HIV AgentsPlacebosFollow-Up StudiesNeoplasmsClinical Trials Data Monitoring CommitteesClinical Trials, Phase IV as TopicClinical ProtocolsAcquired Immunodeficiency SyndromeRisk FactorsUnited StatesAntineoplastic AgentsSingle-Blind MethodHIV AntigensAIDS SerodiagnosisDrug Therapy, CombinationEarly Termination of Clinical TrialsHIV Protease InhibitorsPilot ProjectsDrug Administration ScheduleCD4 Lymphocyte CountSexual BehaviorSample SizeQuestionnairesQuality of LifeReproducibility of ResultsResearch SubjectsSeverity of Illness IndexCost-Benefit AnalysisAnti-Retroviral AgentsViral LoadDisease ProgressionMolecular Sequence DataDose-Response Relationship, DrugPatient ComplianceOutcome Assessment (Health Care)Homosexuality, MaleSurvival AnalysisCombined Modality TherapyCohort StudiesSouth AfricaAntineoplastic Combined Chemotherapy ProtocolsAdministration, OralCounselingEvidence-Based MedicineEndpoint DeterminationRisk-TakingRisk AssessmentHealth Knowledge, Attitudes, PracticePrevalencePregnancyInformed ConsentPrognosisHIV Core Protein p24Breast NeoplasmsBiological MarkersBiomedical ResearchHIV Reverse TranscriptaseGenotypeDrugs, InvestigationalFeasibility StudiesRetrospective StudiesHIV Envelope Protein gp120Data Interpretation, StatisticalRecurrencePolymorphism, Single NucleotideSexual PartnersSurvival RateDrug Evaluation, PreclinicalIncidencePlacebo EffectAntibodies, MonoclonalHIV ProteaseSubstance Abuse, IntravenousGene Expression ProfilingUgandaPatient ParticipationDietary SupplementsReceptors, HIVDisease-Free SurvivalCross-Sectional StudiesDrug EvaluationSensitivity and Specificity