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Inflammation is a complex response to cell injury that primarily occurs in vascularized connective tissue and often involves the immune response. The mediators of inflammation function to eliminate the cause of cell injury and clear away debris, in preparation for tissue repair. Unfortunately, inflammation also causes pain and, in instances in which the cause of cell injury is not eliminated, can result in a chronic condition of pain and tissue damage such as that seen in rheumatoid arthritis. The nonsteroidal anti-inflammatory drugs (NSAIDs) and acetaminophen are often effective in controlling inflammatory pain. Other treatment strategies applied to the reduction of inflammation are targeted at immune processes. These include glucocorticoids and disease-modifying antirheumatic drugs (DMARDs), which include conventional synthetic small molecule (csDMARD) and biologic (bDMARD) drugs. Gout is a metabolic disease associated with precipitation of uric acid crystals in joints. Treatment of acute episodes targets inflammation, whereas treatment of chronic gout targets both inflammatory processes and the production and elimination of uric acid.


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High-Yield Terms to Learn
Antipyretic A drug that reduces fever (eg, aspirin, other NSAIDs, acetaminophen)
Cyclooxygenase (COX), lipoxygenase (LOX) The enzymes responsible for prostaglandin (COX) and leukotriene (LOX) synthesis (Figure 36–2)
Cytotoxic drug Drugs that interfere with essential processes, especially DNA maintenance and replication and cell division. Such drugs generally kill rapidly dividing cells and are used for cancer chemotherapy and immunosuppression (Chapters 54 and 55)
Disease-modifying antirheumatic drugs (DMARDs) Biologic (b) and conventional synthetic (cs) DMARDs; diverse group of drugs that modify the inflammatory processes underlying rheumatoid arthritis and similar autoimmune conditions; csDMARDs have a slow (weeks to months) onset of clinical effects
Nonsteroidal anti-inflammatory drugs (NSAIDs) Inhibitors of cyclooxygenase; the term nonsteroidal differentiates them from corticosteroid drugs (eg, cortisol; Chapter 39)
Reye’s syndrome A rare syndrome of rapid liver degeneration and encephalopathy in children treated with aspirin during a viral infection
Tumor necrosis factor-α (TNF-α) A cytokine that plays a central role in inflammation; target of several biologics (infliximab, etanercept, adalimumab, etc.)
Uricosuric agent A drug that increases the renal excretion of uric acid
Xanthine oxidase A key enzyme in the purine metabolism pathway that converts hypoxanthine to xanthine and xanthine to uric acid


A. Classification and Prototypes

Aspirin (acetylsalicylic acid) is the prototype of the salicylates and other NSAIDs (Table 36–1). The other older nonselective NSAIDs (ibuprofen, indomethacin, many others) vary primarily in their potency, analgesic and anti-inflammatory effectiveness, and duration of action. Ibuprofen and naproxen have moderate effectiveness; indomethacin has greater anti-inflammatory effectiveness; and ketorolac has greater analgesic effectiveness. Celecoxib was the first member of a newer NSAID subgroup, the cyclooxygenase-2 (COX-2)-selective inhibitors, which were developed in an attempt to lessen the gastrointestinal toxicity associated with COX inhibition while preserving efficacy. Unfortunately, clinical trials involving some of ...

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