Featured Research – R. L. Nevin and E. C. Ritchie, Service-Connected Disability Claim for Chronic Neuropsychiatric Adverse Effects From Mefloquine

“In 2014, a 56-year-old nondeployed U.S. Marine Corps veteran submitted a claim to the VA for disabling conditions. The veteran alleged these conditions were due to his exposure to mefloquine while in military service more than 2 decades earlier. The veteran enlisted in 1975 and experienced a motor vehicle accident with prolonged loss of consciousness in 1978 but had no other significant medical history.

“Thirteen years later, stationed in Hawaii in 1991, he was encouraged to volunteer for a double-blinded postmarketing study, evaluating the adverse effects (AEs) of chloroquine and mefloquine. As documentation following the trial revealed, he was randomly assigned to the mefloquine arm and received a loading dose of 250 mg daily for 3 days, followed by 250 mg per week for 11 weeks.

“During the study he experienced insomnia, abnormal dreams, and nightmares. He also developed symptoms of anxiety, depression, cognitive dysfunction, and changes in personality—including anger and irritability—that were severe enough to be noted by his family members. The patient had not been advised of the significance of these symptoms and therefore did not report them during the clinical trial, nor did he report their intermittent presence after the study’s conclusion through his retirement in 1996, fearing adverse career consequences. Subsequent exacerbations of these chronic symptoms later contributed to the patient’s loss of civilian employment in 2010.

“After becoming aware of the 2013 boxed warning that these chronic symptoms could be due to his earlier exposure to mefloquine, the veteran sought evaluation by a VA clinician. On evaluation, the clinician noted no history of deployment, and no history of posttraumatic stress disorder (PTSD) criteria A stressors, and posited that the veteran’s chronic neuropsychiatric symptoms were most likely a consequence of his earlier use of mefloquine. The VA subsequently awarded the veteran 50% disability for an anxiety disorder characterized by chronic sleep impairment and frequent panic attacks, attributing these to his service-connected use of the drug.”

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R.L. Nevin and E.C. Ritchie, FDA Black Box, VA Red Ink? A Successful Service-Connected Disability Claim for Chronic Neuropsychiatric Adverse Effects From Mefloquine, Federal Practitioner, vol. 33, no. 10, October 2016.

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An international network of military veterans, families and friends affected by the health impacts of the neurotoxic antimalarial drug, mefloquine.
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