5 results
Approved WMOWill not start
Determine the influence of methylphenidate treatment on sleep-wake rhythm and endogenous melatonin rhythm.
Not approvedWill not start
Determine the ADAMTS-13 activity in patients with a history of TTP.
Approved WMOWill not start
To collect and store a serum sample of each patient that is referred to the Leiden University Medical Centre for evaluation of neuropsychiatric symptoms in SLE.
Not approvedWill not start
to investigate the relationship between acute psychological stress and perception of acid in the distal oesophagus in healthy volunteers and GORD patients.
Approved WMOWill not start
To quantify splanchnic and whole body aspartate metabolism in premature neonates.