Prophylactic Fentanyl Sublingual Spray for Episodic Exertional Dyspnea in Cancer Patients: A Pilot Double-Blind Randomized Controlled Trial

The optimal dose of fentanyl sublingual spray (FSS) for exertional dyspnea has not been determined.
Source: Journal of Pain and Symptom Management - Category: Palliative Care Authors: Source Type: research