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Portland, Maine 04102


The purpose of this study is to determine the efficacy of the α-adrenergic antagonist tamsulosin in the treatment of adult emergency department (ED) patients with ureteral colic secondary to lower ureteral calculus. We hypothesize that there will be no difference in outcomes for subjects treated with and without tamsulosin.

Study summary:

This prospective, randomized controlled trial seeks to compare outcomes for adult emergency department patients with lower ureteral calculus. Subjects will be randomized to receive treatment with ibuprofen and oxycodone alone (standard therapy) or standard therapy plus tamsulosin 0.4mg orally once daily for ten days.


Inclusion Criteria: - 18 years of age or older; - able to read, write, and speak English; - able to use the NRS pain scale; and - computed tomography diagnosed single lower ureteral calculus Exclusion Criteria: - allergy or sensitivity to the study drug (tamsulosin hydrochloride [Flomax]); - sulfa/sulfonamide allergy; - inability to provide informed consent; - lithiasis of the ureteral intramural tract; - acute or chronic renal failure; - fever; - presence of multiple ureteral stones; - peptic ulcer disease; - liver failure; - concomitant treatment with alpha-lytic drugs, calcium antagonists, nitrates, or vardenafil (Levitra); - pregnancy; - breastfeeding; or - a history of urinary surgery or endoscopic treatment.



Primary Contact:

Principal Investigator
Andrew D Perron, MD
Maine Medical Center

Backup Contact:


Location Contact:

Portland, Maine 04102
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: March 16, 2018

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