Oyake T, Kowata S, Murai K, Ito S, Akagi T, Kubo K, Sawada K, Ishida Y Comparison of micafungin and voriconazole as empirical antifungal therapies in febrile neutropenic patients with hematological disorders: a randomized controlled trial. Eur J Haematol. 2016 Jun;96(6):602-9. doi: 10.1111/ejh.12641. Epub 2015 Aug 26.
Oztoprak N, Piskin N, Aydemir H, Celebi G, Akduman D, Keskin AS, Gokmen A, Engin H, Ankarali H Piperacillin-tazobactam versus carbapenem therapy with and without amikacin as empirical treatment of febrile neutropenia in cancer patients: results of an open randomized trial at a university hospital. Jpn J Clin Oncol. 2010 Aug;40(8):761-7. doi: 10.1093/jjco/hyq046. Epub 2010 Apr 28.
Ratliff CM, Beardsley JR, Kennedy L, Ohl C, Johnson JW, Luther VP, William JC Efficacy of doripenem compared with meropenem for treatment of febrile neutropenia among patients who became febrile while on cefepime or piperacillin-tazobactam. Poster Presented at: Infectious Diseases Society of America Annual Meeting; October 21, 2011; Boston, MA. https://idsa.confex.com/idsa/2011/webprogram/Paper30902.html
Wang Y, Du Z, Chen Y, Liu Y, Yang Z Meta-analysis: combination of meropenem vs ceftazidime and amikacin for empirical treatment of cancer patients with febrile neutropenia. Medicine (Baltimore). 2021 Feb 26;100(8):e24883. doi: 10.1097/MD.0000000000024883.
Zimmer AJ, Freifeld AG Optimal Management of Neutropenic Fever in Patients With Cancer. J Oncol Pract. 2019 Jan;15(1):19-24. doi: 10.1200/JOP.18.00269.
Antimicrobial Revision in Patients With Persistent Febrile Neutropenia: A Prospective, Randomized Trial
Interventional studies are often prospective and are specifically tailored to evaluate direct impacts of treatment or preventive measures on disease.
Observational studies are often retrospective and are used to assess potential causation in exposure-outcome relationships and therefore influence preventive methods.
Expanded access is a means by which manufacturers make investigational new drugs available, under certain circumstances, to treat a patient(s) with a serious disease or condition who cannot participate in a controlled clinical trial.
Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.
Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.
