Gulf War Illness Nasal Irrigation Study

Completed · Phase 2

Conditions studied: Persian Gulf Syndrome, Chronic Sinusitis, Fatigue, Acute Sinusitis

In brief

The purpose of this study is to determine whether nasal irrigation with Xylitol or saline are effective in the treatment of chronic rhinosinusitis and fatigue symptoms associated with Gulf War Illness.

Key facts

Study ID

NCT01700725

Run by

University of Wisconsin, Madison

People needed

40

Starts

2012-10-01

Expected to finish

2017-05-01

Last updated by the study team

2019-05-21

Who can join

Age: 35 and older, up to 75. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• English fluency and basic reading and writing literacy.
• Deployment to the Persian Gulf (e.g., Iraq, Kuwait, Saudi Arabia) for the purpose of Operation Desert Shield or Operation Desert Storm during the first Gulf War (1990-1991).
• Meeting criteria for a diagnosis of GWI as based on the "Kansas" GWI case definition; only the Kansas case definition (from among the several currently used case definitions) can differentiate between Gulf War-deployed and non-deployed Gulf era veterans.
• Meeting criteria for a diagnosis of chronic rhinosinusitis (CRS) using self-reported symptoms and based on clinical guidelines; eligible subjects will report: • sinonasal symptoms for at least 12 weeks; • a constellation of sinonasal symptoms including either two or more major factors, or 1 major and 2 minor factors (see Table 1 below), or chronic nasal purulence for 12 or more weeks; and • a moderate to severe HRQoL impact (≥ 3 points on a 0-10 Likert severity scale) as assessed by a single item question:11 "What has been the average level of your sinus symptoms daily over the past month on a 0-10 scale?" This item is consistent with eligibility criteria used in prior NI studies.
• Chronic fatigue of moderate-to-severe severity defined as scoring at least 3 points on a single question (0-10 Likert scale): "What has been the average level of your daily fatigue over the past month on a 0-10 scale?"

You may not qualify if…

• Self-reported pregnancy.
• Current use of liquid NI or xylitol nasal spray; regular use is defined as 1 or more irrigations weekly for 3 consecutive weeks.
• Self-reported neurological or musculoskeletal conditions that could facilitate aspiration, or patients who otherwise cannot physically perform the NI procedure.
• Self-reported borderline personality disorder.
• Inability or stated reluctance to reliably participate in study activities.
• Severe or unstable mental health problems that would preclude safe or reliable study participation as based on an in-person evaluation by a psychiatry team; active delusional disorder, depressive disorder or alcohol/drug abuse or dependence will be a primary target of this interview using both a structured clinical interview (MINI ref) and psychiatry team evaluation.

Where it is running

• University of Wisconsin General Clinical Research Center — Madison, Wisconsin, United States

Full record on ClinicalTrials.gov

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