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Related Concept Videos

Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

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In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
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Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the...
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Immunodeficiency Diseases

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Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
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Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

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In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses...
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Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

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Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
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Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

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Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight,...
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Oral Combinational Antiretroviral Treatment in HIV-1 Infected Humanized Mice
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Paediatric HIV infection: the potential for cure.

Philip J Goulder1, Sharon R Lewin2,3, Ellen M Leitman1

  • 1Department of Paediatrics, University of Oxford, Oxford OX1 3SY, UK.

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Early antiretroviral therapy (ART) in children with HIV may offer a greater potential for remission or cure. This review explores factors influencing HIV cure in pediatric cases.

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Area of Science:

  • Pediatric infectious diseases
  • Immunology
  • Virology

Background:

  • Anecdotal reports suggest sustained HIV control in children after early antiretroviral therapy (ART) cessation.
  • This raises questions about the potential for HIV remission or cure in pediatric versus adult populations.

Purpose of the Study:

  • To investigate the potential for HIV cure in children.
  • To analyze the influence of early ART, immune development, and maternal factors on HIV remission in pediatric populations.
  • To discuss unique immunotherapeutic opportunities and challenges in pediatric HIV infection.

Main Methods:

  • Review of existing literature on pediatric HIV infection and treatment.
  • Analysis of factors influencing viral control and potential for cure.
  • Discussion of immunotherapeutic strategies.

Main Results:

  • Early ART initiation in children may enhance the potential for sustained viral control.
  • Immune ontogeny and maternal factors play significant roles in HIV remission.
  • Pediatric HIV infection presents distinct opportunities and obstacles for immunotherapeutic interventions.

Conclusions:

  • Pediatric HIV infection may have a greater intrinsic potential for remission or cure compared to adult infection.
  • Further research into early ART and immunotherapies is crucial for advancing HIV cure strategies in children.