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Published on: August 24, 2015
Successful treatment with erythromycin for idiopathic thrombocytopenic purpura
1Department of General Medicine, Hokkaido Social Insurance Hospital, Sapporo, Japan.
Abstract:
Macrolides have both immunomodulatory and antibacterial effects. We report 3 cases of primary immune thrombocytopenia (ITP) patients who were successfully treated with macrolides, irrespective of Helicobacter pylori (H. pylori) infection status. Case 1, an 88-year-old woman who was an H. pylori-positive ITP patient, was treated with clarithromycin (CAM). CAM was effective temporarily. As an alternative to CAM, she was successfully treated with erythromycin (EM) for more than 7 months. Case 2, a 61-year-old man who was an H. pylori-negative ITP patient, was unsuccessfully treated with CAM but successfully treated with EM. Case 3, a 75-year-old woman who was a H. pylori-negative ITP patient, was treated with CAM. CAM was effective temporarily. After approximately 6 months, she was treated with EM for a common cold, and her platelet count increased rapidly. Based on these findings, macrolide treatment was effective for ITP. The effectiveness of macrolides might suggest immunomodulatory effects as well as antibacterial effects for H. pylori.
Insights
Macrolide antibiotics show promise in treating immune thrombocytopenia (ITP), regardless of H. pylori status. These findings suggest macrolides may offer immunomodulatory benefits for ITP patients.
Area of Science:
- Hematology
- Immunology
- Pharmacology
Background:
- Immune thrombocytopenia (ITP) is an autoimmune disorder characterized by low platelet counts.
- Macrolides are antibiotics with known antibacterial and immunomodulatory properties.
- The role of macrolides in managing ITP, particularly concerning Helicobacter pylori (H. pylori) infection, requires further investigation.
Observation:
- Three primary immune thrombocytopenia (ITP) patients were treated with macrolides.
- Two patients were H. pylori-negative, and one was H. pylori-positive.
- Patients initially treated with clarithromycin (CAM) showed temporary efficacy, while erythromycin (EM) demonstrated sustained positive effects on platelet counts in all cases, irrespective of H. pylori status.
Findings:
- Macrolide therapy, specifically erythromycin, proved effective in increasing platelet counts in ITP patients.
- Treatment success was observed in both H. pylori-positive and H. pylori-negative individuals.
- The efficacy of macrolides suggests potential immunomodulatory mechanisms beyond their antibacterial action against H. pylori.
Implications:
- Macrolides represent a potential therapeutic option for immune thrombocytopenia (ITP).
- Further research into the immunomodulatory effects of macrolides in ITP is warranted.
- These findings may guide treatment strategies for ITP, considering macrolides as a viable alternative therapy.
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