Chlorambucil-Induced Acute Interstitial Pneumonitis

Chlorambucil is an alkylating agent commonly used in treatment of chronic lymphocytic leukemia (CLL). We report a case of interstitial pneumonitis developing in an 83-year-old man 1.5 months after completing a six-month course of chlorambucil for CLL. The interstitial pneumonitis responded to therap...

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Main Authors: Hammad Shafqat, Adam J. Olszewski
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Case Reports in Hematology
Online Access:http://dx.doi.org/10.1155/2014/575417
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author Hammad Shafqat
Adam J. Olszewski
author_facet Hammad Shafqat
Adam J. Olszewski
author_sort Hammad Shafqat
collection DOAJ
description Chlorambucil is an alkylating agent commonly used in treatment of chronic lymphocytic leukemia (CLL). We report a case of interstitial pneumonitis developing in an 83-year-old man 1.5 months after completing a six-month course of chlorambucil for CLL. The interstitial pneumonitis responded to therapy with prednisone. We performed a systematic review of literature and identified 13 other case reports of chlorambucil-induced pulmonary toxicity, particularly interstitial pneumonitis. No unifying risk factor could be discerned and the mechanism of injury remains unknown. In contrast, major randomized trials of chlorambucil therapy in CLL have not reported interstitial pneumonitis as an adverse effect, which may be due to the rarity of the phenomenon or due to underreporting of events occurring after completion of treatment. Clinicians should consider drug-induced interstitial pneumonitis in the differential diagnosis of a suggestive syndrome developing even after discontinuation of chlorambucil.
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spelling doaj-art-0403d14c728247a891ac3f88f2af45d12025-02-03T05:59:15ZengWileyCase Reports in Hematology2090-65602090-65792014-01-01201410.1155/2014/575417575417Chlorambucil-Induced Acute Interstitial PneumonitisHammad Shafqat0Adam J. Olszewski1Memorial Hospital of Rhode Island, 111 Brewster Street, Pawtucket, RI 02860, USAMemorial Hospital of Rhode Island, 111 Brewster Street, Pawtucket, RI 02860, USAChlorambucil is an alkylating agent commonly used in treatment of chronic lymphocytic leukemia (CLL). We report a case of interstitial pneumonitis developing in an 83-year-old man 1.5 months after completing a six-month course of chlorambucil for CLL. The interstitial pneumonitis responded to therapy with prednisone. We performed a systematic review of literature and identified 13 other case reports of chlorambucil-induced pulmonary toxicity, particularly interstitial pneumonitis. No unifying risk factor could be discerned and the mechanism of injury remains unknown. In contrast, major randomized trials of chlorambucil therapy in CLL have not reported interstitial pneumonitis as an adverse effect, which may be due to the rarity of the phenomenon or due to underreporting of events occurring after completion of treatment. Clinicians should consider drug-induced interstitial pneumonitis in the differential diagnosis of a suggestive syndrome developing even after discontinuation of chlorambucil.http://dx.doi.org/10.1155/2014/575417
spellingShingle Hammad Shafqat
Adam J. Olszewski
Chlorambucil-Induced Acute Interstitial Pneumonitis
Case Reports in Hematology
title Chlorambucil-Induced Acute Interstitial Pneumonitis
title_full Chlorambucil-Induced Acute Interstitial Pneumonitis
title_fullStr Chlorambucil-Induced Acute Interstitial Pneumonitis
title_full_unstemmed Chlorambucil-Induced Acute Interstitial Pneumonitis
title_short Chlorambucil-Induced Acute Interstitial Pneumonitis
title_sort chlorambucil induced acute interstitial pneumonitis
url http://dx.doi.org/10.1155/2014/575417
work_keys_str_mv AT hammadshafqat chlorambucilinducedacuteinterstitialpneumonitis
AT adamjolszewski chlorambucilinducedacuteinterstitialpneumonitis