Guidelines to Antiretroviral Drug Therapy in Kenya: CHAPTER ONE: INITIATING ANTIRETROVIRAL THERAPY: 1.6 Risks and benefits of delayed initiation of therapy and of early therapy in the Asymptomatic HIV-Infected Patient

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	Guidelines to Antiretroviral Drug Therapy in Kenya (WHO; 2001; 78 pages)
		FOREWORD
		ACKNOWLEDGMENT
		CHAPTER ONE: INITIATING ANTIRETROVIRAL THERAPY
			1.1 Introduction
			1.2 Guidelines to making a diagnosis of HIV infection
			1.3 Laboratory Diagnosis of HIV infection
			1.4 Goals of therapy
			1.5 When to start therapy
			1.6 Risks and benefits of delayed initiation of therapy and of early therapy in the Asymptomatic HIV-Infected Patient
			1.7 Antiretroviral profile
			1.8 What drug combination to start with?
		CHAPTER TWO: MONITORING AND CHANGING THERAPY
			2.1 Surrogate markers
			2.2 Resistance testing
			2.3 How often should CD4 Cell Count and Viral Load be performed (Frequency)
			2.4 Treatment failure
			2.5 Reasons for non-adherence
			2.6 Considerations for changing a failing regimen
			2.7 Guidelines for changing an antiretroviral regimen for suspected drug failure
			2.8 Potential options for changing therapy*
		CHAPTER THREE: PHARMACOTHERAPEUTICS OF ARVS
			3.1 Characteristics of available antiretroviral drugs
			3.2 Pharmacokinetic properties of Antiretrovirals
		CHAPTER FOUR: GUIDELINES FOR THE USE OF ANTIRETROVIRAL DRUGS IN PAEDIATRIC HIV INFECTION
			4.1 Overview
			4.2 Diagnosis of HIV infection in children
			4.3 When to initiate treatment
			4.4 Initiation of treatment
			4.5 Agents to choose for initial treatment
			4.6 Dosages for paediatric formulations
			4.8 Monitoring
			4.9 When to change therapy
		CHAPTER FIVE: MANAGEMENT OF HUMAN IMMUNODEFICIENCY VIRUS (HIV) INFECTED PREGNANT WOMEN AND PREVENTION OF MOTHER TO CHILD TRANSMISSION (MTCT) OF HIV
			5.1 Overview
			5.2 Factors affecting mother to child transmission
			5.3 Outline antenatal, intrapartum postpartum and postnatal care
			5.4 Antiretroviral Therapy to prevent MTCT
		CHAPTER SIX: SPECIAL CONSIDERATIONS
			6.1 Acute retroviral syndrome (ARVS)
			6.2 ARV drugs and the treatment of Tuberculosis
			6.3 Immune recovery syndrome
		CHAPTER SEVEN: WHEN TO STOP TREATMENT (INTERRUPTIONS)
			7.1 Structured treatment interruptions (STI's)
			7.2 Non structured treatment interruption
		CHAPTER EIGHT: GUIDELINES FOR POST EXPOSURE PROPHYLAXIS
			8.1 Treatment of exposure sites
			8.2 Timing of post - HIV exposure prophylaxis initiation
			8.3 Assessment of exposure risk
			8.4 Post - HIV exposure prophylaxis
			8.5 Recommended HIV serology after exposure
			8.6 Management of health care workers with accidental exposure to HIV infection
			8.7 Management of hospital staff with sharp injury or exposure to blood and body fluids
			8.8 Management of non occupational exposure to HIV infection
			8.9 Management of non-sexual and non occupational Exposures to HIV
		CHAPTER NINE: ACCESS TO DRUGS IN KENYA
		APPENDICES
			I. Drug to drug interactions
			II. Drug to drug interactions (continued)
			III. Drug Interactions Between Antiretrovirals and Other Drugs
			IV. Nucleoside Reverse Transcriptase Inhibitors (NRTIS)
			V. Drug Interactions: Protease Inhibitors
			VI. Drug Interactions: Protease Inhibitors and Non-Nucleoside Reverse Transcriptase Inhibitors - Cont.
			VII. Drug That Should Not be Used With Antiretrovirals
			VIII. Drugs that should not be used with Protease Inhibitors Antiretrovirals
			IX. HIV-related drugs with overlapping toxicities
			X. Anti-retroviral therapy for preventing MTCT
		BACK COVER

1.6 Risks and benefits of delayed initiation of therapy and of early therapy in the Asymptomatic HIV-Infected Patient

Risks and benefits of early therapy

Benefits of early therapy

• Control of viral replication easier to achieve and maintain
• Delay or prevention of immune system compromise.
• Lower risk of resistance with complete viral suppression.
• Possible decreased risk of HIV transmission

Risks of early therapy

• Greater cumulative drug-related adverse affects.
• Earlier development of drug resistance, if viral suppression is suboptimal.
• Limitation of future antiretroviral treatment options.

Risks and benefits of delayed therapy

Benefits of delayed therapy

• Avoid negative effects on quality of life (i.e., inconvenience)
• Avoid drug-related adverse effects.
• Delay in development of drug resistance
• Preserve maximum number of available and future drug options when HIV disease risk is highest.

Risks of delayed therapy

• Possible risk of irreversible immune system depletion
• Possible greater difficulty in suppressing viral replication

• Possible increased risk of HIV transmission

• It is important to note that the risk of viral transmission still exists, and antiretroviral therapy cannot substitute for primary HIV prevention measures (e.g. Abstinace, faithfulness, condoms and safer sex practices).

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