Effectiveness of antibiotic therapy in pediatric patients with cat scratch disease

Loujain A Shorbatli1, Katalin I Koranyi2, Milap C Nahata3,4

  • 1College of Pharmacy, The Ohio State University, 500 W. 12th Ave, Columbus, OH, 43210, USA.

Insights

Azithromycin and trimethoprim/sulfamethoxazole (TMP/SMX) show comparable effectiveness in treating pediatric cat scratch disease (CSD). These antibiotics are frequently prescribed, with azithromycin being a suitable option and TMP/SMX a viable alternative.

Area of Science:

  • Infectious Diseases
  • Pediatric Medicine
  • Pharmacology

Background:

  • Cat scratch disease (CSD) treatment in children lacks established antibiotic guidelines.
  • Evaluating antibiotic efficacy is crucial for pediatric CSD management.

Purpose of the Study:

  • To assess antibiotic therapy response rates in pediatric patients diagnosed with CSD.
  • To compare the effectiveness of different antibiotic treatments for CSD in children.

Main Methods:

  • Retrospective review of electronic medical records for pediatric CSD cases (2006-2016).
  • Data included demographics, clinical and lab results, antibiotic regimens, and follow-up outcomes.
  • Analysis focused on treatment response rates for prescribed antibiotics.

Main Results:

  • One hundred seventy-five pediatric patients with confirmed CSD were analyzed.
  • Azithromycin and trimethoprim/sulfamethoxazole (TMP/SMX) were the most common antibiotics used.
  • Resolution or improvement was observed in 51.4% of patients on azithromycin and 61.5% on TMP/SMX, with comparable effectiveness (p=0.56).

Conclusions:

  • Azithromycin and TMP/SMX are frequently prescribed for pediatric CSD.
  • Azithromycin is an appropriate treatment choice for CSD in children.
  • TMP/SMX serves as a potential alternative when azithromycin is not indicated or tolerated.

Related Concept Videos

Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

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...
262
Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

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,...
304
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

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...
226
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

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...
296
Antibiotic Selection00:57

Antibiotic Selection

Overview
59.9K
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
237