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Spontaneous back-pain alters randomness in functional connections in large scale brain networks.

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Development of a claims-based algorithm to identify potentially undiagnosed chronic migraine patients.

To develop a claims-based algorithm to identify undiagnosed chronic migraine among patients enrolled in a healthcare system.

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Calcitonin-gene related peptide and disease activity in cluster headache.

To investigate the role of calcitonin gene-related peptide, pituitary adenylate cyclase-activating polypeptide-38 (PACAP38) and vasoactive intestinal polypeptide in cluster headache, we measured these vasoactive peptides interictally and during experimentally induced cluster headache attacks.

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Exploring anxiety sensitivity in the relationship between pain intensity and opioid misuse among opioid-using adults with chronic pain.

Opioid misuse is a significant public health problem. Chronic pain is one highly prevalent factor that is strongly associated with increased risk for opioid misuse. Anxiety sensitivity (fear of anxiety related physical sensations) is an individual difference factor consistently linked to pain experience, and separately, heroin use. The present study examined if anxiety sensitivity may be one factor related to the relationship between pain intensity and opioid misuse among opioid-using adults with chronic pain. Results indicated that anxiety sensitivity total score was significantly associated with the relationship between pain intensity and current opioid misuse, as well as pain intensity and severity of opioid dependence. Overall, results suggest that anxiety sensitivity may be an important assessment and intervention target to ultimately reduce the rates of opioid misuse among adults with chronic pain.

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Assessment of Racial/Ethnic and Income Disparities in the Prescription of Opioids and Other Controlled Medications in California.

Most drug epidemics in the United States have disproportionately affected nonwhite communities. Notably, the current opioid epidemic is heavily concentrated among low-income white communities, and the roots of this racial/ethnic phenomenon have not been adequately explained.

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Predictors of Short-Term Prognosis While in Pediatric Headache Care: An Observational Study.

To characterize the short-term prognosis of a clinical population of pediatric and young adult patients with migraine and explore predictors of clinical worsening while in care.

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Catechol-O-Methyltransferase (COMT) rs4680 Val158Met Polymorphism is Associated with Widespread Pressure Pain Sensitivity and Depression in Women with Chronic, but not Episodic, Tension Type Headache.

The aims of this study were: 1, to investigate the association between the rs4680 Val158Met polymorphism in frequent episodic (FETTH) and chronic (CTTH) tension-type headache; and 2, to analyse the association between the rs4680 Val158Met polymorphism with clinical, psychological, or psychophysical variables.

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Precollision Medical Diagnoses Predict Chronic Neck Pain Following Acute Whiplash Trauma.

The reason why some individuals develop chronic symptoms, whiplash-associated disorder, following whiplash trauma is poorly understood. We explored whether precollision pain-related diagnoses, medically unexplained symptoms, and psychiatric diagnoses are related to whiplash-associated disorder.

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County-Level Opioid Prescribing in the United States, 2015 and 2017.

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Widespread mechanical pain hypersensitivity in patients with chronic migraine and temporomandibular disorders: relationship and correlation between psychological and sensorimotor variables.

This study aimed to assess mechanical hyperalgesia in the trigeminal and extra-trigeminal regions in patients with chronic migraine (CM) and temporomandibular disorders (TMD) in comparison to asymptomatic subjects and to determine the association between sensorimotor variables and psychological and disability variables and evaluate the prediction of a sensorimotor variables though psychological and disability variables in patients with CM and TMD.

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