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Severe anaphylactic reaction to thymostimulin.

C Marcos1, S Quirce, J A Compaired

  • 1Department of Allergy, Hospital Ramón y Cajal, Madrid, Spain.

Allergy
|April 1, 1991
PubMed
Summary
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Thymostimulin, a calf thymus extract, can cause severe allergic reactions in some patients. This case highlights the risk of hypersensitivity to xenogeneic medical products.

Area of Science:

  • Immunology
  • Allergology

Background:

  • Thymostimulin is an immunologic response modifier derived from calf thymus.
  • It is utilized in treating primary and secondary immunodeficiencies.

Observation:

  • A patient experienced a severe anaphylactic reaction upon initial thymostimulin administration.
  • The reaction was consistent with Type I hypersensitivity.

Findings:

  • Specific IgE antibodies and positive histamine release tests confirmed hypersensitivity to thymostimulin.
  • The patient also exhibited allergic reactions to bovine serum albumin, fetal calf serum, and cow dander.

Implications:

  • Clinicians must be aware of potential severe allergic reactions associated with xenogeneic (animal-derived) medical products.

Related Experiment Videos

  • This case underscores the importance of considering hypersensitivity in patients receiving such treatments.