Unusual toxicities with TNF inhibition: heart failure and drug-induced lupus

J J Cush1

  • 1Rheumatology and Clinical Immunology, Presbyterian Hospital of Dallas, Texas 75231-4496, USA.

Insights

Serious adverse events like heart failure can occur with TNF inhibitor therapy. Understanding these rare toxicities is crucial for safe and effective anti-TNF treatment.

Area of Science:

  • Immunology
  • Pharmacology
  • Clinical Medicine

Background:

  • Tumor necrosis factor (TNF) inhibitors are widely used for inflammatory diseases.
  • While effective, these therapies carry risks of serious adverse events.
  • Adverse events include cardiac issues and autoimmune reactions like drug-induced lupus.

Purpose of the Study:

  • To highlight serious and unexpected adverse events associated with TNF inhibitor therapy.
  • To emphasize the importance of recognizing and managing these rare toxicities.
  • To inform clinical practice for the safe utilization of anti-TNF agents.

Main Methods:

  • Review of reported adverse events in patients undergoing TNF inhibitor therapy.
  • Analysis of the characteristics of serious and unexpected toxicities.
  • Assessment of the predictability and avoidability of these events.

Main Results:

  • Serious adverse events, including heart failure and drug-induced lupus, have been documented.
  • These events are generally recognizable but difficult to predict or prevent.
  • Avoidance of the drug is the only certain method to prevent these toxicities.

Conclusions:

  • TNF inhibitor therapy offers significant benefits to many patients.
  • A thorough understanding of rare toxicities is essential for clinicians.
  • Minimizing morbidity requires informed and intelligent use of anti-TNF therapies.

Related Concept Videos

Drugs for Treatment of Crohn's Disease in IBD Using Biologic Agents: Anti-TNF01:24

Drugs for Treatment of Crohn's Disease in IBD Using Biologic Agents: Anti-TNF

Tumor Necrosis Factor (TNF), a proinflammatory cytokine, contributes significantly to the inflammation seen in Crohn's disease. It exists as soluble TNF and membrane-bound TNF, with actions mediated through TNF receptors (TNFR). TNFR activation leads to the release of proinflammatory cytokines, T-cell activation, collagen production, and leukocyte migration, all contributing to inflammation in Crohn's disease. Anti-TNF monoclonal antibodies, namely infliximab (Remicade), adalimumab (Humira),...
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
Drug toxicity: Idiosyncratic Reactions01:16

Drug toxicity: Idiosyncratic Reactions

Idiosyncratic drug reactions represent abnormal chemical responses that vary significantly among individuals, ranging from extreme sensitivity to low doses to insensitivity to high doses. These reactions often occur due to the drug's covalent binding with serum proteins, forming a foreign hapten that triggers an immunotoxicological response. The variability in drug reactions has a strong pharmacogenetic foundation, with genetic differences crucial in how individuals metabolize drugs. For...
Drug Toxicity: Risk factors01:24

Drug Toxicity: Risk factors

Adverse Drug Reactions (ADRs) are potential complications that arise during pharmacotherapy, influenced by multiple risk factors. Age plays a significant role; both neonates and the elderly are at heightened risk due to their respective immature and diminished metabolic and elimination processes. Gender also impacts ADRs, with females experiencing a 1.5 to 1.7-fold greater risk than males, which may be linked to pharmacokinetic, pharmacodynamic, and hormonal differences. Notably, neonates, the...
Drug toxicity: Drug–Drug Interaction01:30

Drug toxicity: Drug–Drug Interaction

Drug–drug interactions can precipitate toxicity through multiple mechanisms. Absorption interactions alter how drugs enter the body, exemplified when ranitidine increases the absorption of basic drugs, while cholestyramine decreases the levels of propranolol. Protein binding interactions occur when drugs share the same binding sites on plasma proteins. Drugs like aspirin and warfarin, when bound in excess, can lead to increased free drug concentrations, enhancing the potential for...
Drug Toxicity: Allergic Reactions01:30

Drug Toxicity: Allergic Reactions

Drug-related allergies are immune-mediated responses triggered by the administration of pharmacological agents. These hypersensitivity reactions are classified based on the immune mechanisms involved. The four primary types—Type I, II, III, and IV—are mediated by different immunological pathways and exhibit distinct clinical manifestations.Type I Hypersensitivity/ IgE-Mediated Reactions: Immunoglobulin E (IgE) immediately mediates Type I hypersensitivity reactions. Upon initial exposure to a...