PMID- 23801882 OWN - NLM STAT- MEDLINE DCOM- 20140127 LR - 20220419 IS - 1449-1907 (Electronic) IS - 1449-1907 (Linking) VI - 10 IP - 8 DP - 2013 TI - Pneumothorax as an adverse drug event: an exploratory aggregate analysis of the US FDA AERS database including a confounding by indication analysis inspired by Cornfield's condition. PG - 965-73 LID - 10.7150/ijms.5377 [doi] AB - INTRODUCTION: Pneumothorax is either primary or secondary. Secondary pneumothorax is usually due to trauma, including various non-pharmacologic iatrogenic triggers. Although not normally thought of as an adverse drug event (ADE) secondary pneumothorax is associated with numerous drugs, though it is often difficult to determine whether this association is causal in nature, or reflects an epiphenomenon of efficacy or inefficacy, or confounding by indication (CBI). Herein we explore this association in a large health authority drug safety surveillance database. METHODS: A quantitative pharmacovigilance (PhV) methodology known as disproportionality analysis was applied to the United States Food and Drug Administration (US FDA) Adverse Event Reporting System (AERS) database to explore the quantitative reporting dependencies between drugs and the adverse event pneumothorax as well the corresponding reporting dependencies between drugs and reported indications that may be risk factors for pneumothorax themselves in order to explore the potential contribution of CBI. RESULTS: We found 1. Multiple drugs are associated with pneumothorax; 2. Surfactants and oncology drugs account for most statistically distinctive associations with pneumothorax; 3. Pulmonary surfactants, pentamidine and nitric oxide have the largest statistical reporting associations 4. CBI may play a prominent role in reports of drug-associated pneumothorax. CONCLUSIONS: Disproportionality analysis (DA) can provide insights into the spontaneous reporting dependencies between drugs and pneumothorax. CBI assessment based on DA and Cornfield's inequality presents an additional novel option for the initial exploration of potential safety signals in PhV. FAU - Hauben, Manfred AU - Hauben M AD - Pfizer Inc. Manfred.Hauben@Pfizer.com FAU - Hung, Eric Y AU - Hung EY LA - eng PT - Journal Article DEP - 20130613 PL - Australia TA - Int J Med Sci JT - International journal of medical sciences JID - 101213954 SB - IM MH - *Adverse Drug Reaction Reporting Systems MH - Humans MH - Pneumothorax/*chemically induced MH - United States MH - United States Food and Drug Administration PMC - PMC3691794 OTO - NOTNLM OT - Pneumothorax OT - disproportionality analysis COIS- Competing Interests: Manfred Hauben is a full time employee of, and owns stock and stock options in, Pfizer Inc which manufactures/markets drugs discussed in this article and/or competing drugs from the same pharmacological/therapeutic class as those discussed in this article and owns stock and stock options in other pharmaceutical companies that may manufacture drugs included in this study and/or other drugs within the same pharmacological/therapeutic classes. Eric Hung is a full time employee of Pfizer Inc and owns stock and stock options in Pfizer Inc. EDAT- 2013/06/27 06:00 MHDA- 2014/01/28 06:00 PMCR- 2013/01/01 CRDT- 2013/06/27 06:00 PHST- 2012/10/12 00:00 [received] PHST- 2013/03/13 00:00 [accepted] PHST- 2013/06/27 06:00 [entrez] PHST- 2013/06/27 06:00 [pubmed] PHST- 2014/01/28 06:00 [medline] PHST- 2013/01/01 00:00 [pmc-release] AID - ijmsv10p0965 [pii] AID - 10.7150/ijms.5377 [doi] PST - epublish SO - Int J Med Sci. 2013 Jun 13;10(8):965-73. doi: 10.7150/ijms.5377. Print 2013.