Machielsen MW - Search Results

1

Cannabis use in patients at clinical high risk of psychosis: impact on prodromal symptoms and transition to psychosis.

van der Meer FJ, Velthorst E, Meijer CJ, Machielsen MW, de Haan L. van der Meer FJ, et al. Among authors: machielsen mw. Curr Pharm Des. 2012;18(32):5036-44. doi: 10.2174/138161212802884762. Curr Pharm Des. 2012. PMID: 22716158

2

Cannabis use in patients with a first psychotic episode and subjects at ultra high risk of psychosis: impact on psychotic- and pre-psychotic symptoms.

Machielsen M, van der Sluis S, de Haan L. Machielsen M, et al. Aust N Z J Psychiatry. 2010 Aug;44(8):721-8. doi: 10.3109/00048671003689710. Aust N Z J Psychiatry. 2010. PMID: 20636193

3

Brain volume in male patients with recent onset schizophrenia with and without cannabis use disorders.

Koenders L, Machielsen MW, van der Meer FJ, van Gasselt AC, Meijer CJ, van den Brink W, Koeter MW, Caan MW, Cousijn J, den Braber A, van 't Ent D, Rive MM, Schene AH, van de Giessen E, Huyser C, de Kwaasteniet BP, Veltman DJ, de Haan L. Koenders L, et al. Among authors: machielsen mw. J Psychiatry Neurosci. 2015 May;40(3):197-206. doi: 10.1503/jpn.140081. J Psychiatry Neurosci. 2015. PMID: 25510948 Free PMC article.

4

Differences in craving for cannabis between schizophrenia patients using risperidone, olanzapine or clozapine.

Machielsen M, Beduin AS, Dekker N; Genetic Risk and Outcome of Psychosis (GROUP) investigators; Kahn RS, Linszen DH, van Os J, Wiersma D, Bruggeman R, Cahn W, de Haan L, Krabbendam L, Myin-Germeys I. Machielsen M, et al. J Psychopharmacol. 2012 Jan;26(1):189-95. doi: 10.1177/0269881111408957. Epub 2011 Jul 18. J Psychopharmacol. 2012. PMID: 21768161

5

Differences in efficacy on substance abuse between risperidone and clozapine supports the importance of differential modulation of dopaminergic neurotransmission.

Machielsen MW, de Haan L. Machielsen MW, et al. Psychopharmacol Bull. 2009;42(4):40-52. Psychopharmacol Bull. 2009. PMID: 20581792 Review.

6

Polyunsaturated fatty acid concentration predicts myelin integrity in early-phase psychosis.

Peters BD, Machielsen MW, Hoen WP, Caan MW, Malhotra AK, Szeszko PR, Duran M, Olabarriaga SD, de Haan L. Peters BD, et al. Among authors: machielsen mw. Schizophr Bull. 2013 Jul;39(4):830-8. doi: 10.1093/schbul/sbs089. Epub 2012 Aug 27. Schizophr Bull. 2013. PMID: 22927668 Free PMC article.

7

The effect of clozapine and risperidone on attentional bias in patients with schizophrenia and a cannabis use disorder: An fMRI study.

Machielsen MW, Veltman DJ, van den Brink W, de Haan L. Machielsen MW, et al. J Psychopharmacol. 2014 Jul;28(7):633-42. doi: 10.1177/0269881114527357. Epub 2014 Mar 19. J Psychopharmacol. 2014. PMID: 24646809 Clinical Trial.

8

Grey Matter Changes Associated with Heavy Cannabis Use: A Longitudinal sMRI Study.

Koenders L, Cousijn J, Vingerhoets WA, van den Brink W, Wiers RW, Meijer CJ, Machielsen MW, Veltman DJ, Goudriaan AE, de Haan L. Koenders L, et al. Among authors: machielsen mw. PLoS One. 2016 May 25;11(5):e0152482. doi: 10.1371/journal.pone.0152482. eCollection 2016. PLoS One. 2016. PMID: 27224247 Free PMC article.

9

Comparing the effect of clozapine and risperidone on cue reactivity in male patients with schizophrenia and a cannabis use disorder: A randomized fMRI study.

Machielsen MWJ, Veltman DJ, van den Brink W, de Haan L. Machielsen MWJ, et al. Schizophr Res. 2018 Apr;194:32-38. doi: 10.1016/j.schres.2017.03.030. Epub 2017 Mar 25. Schizophr Res. 2018. PMID: 28351544 Clinical Trial.

10

Structural MRI Differences between Patients with and without First Rank Symptoms: A Delusion?

Heering HD, Koevoets GJ, Koenders L, Machielsen MW, Meijer CJ, Kubota M, de Nijs J, Cahn W, Hulshoff Pol HE, de Haan L, Kahn RS, van Haren NE. Heering HD, et al. Among authors: machielsen mw. Front Psychiatry. 2015 Jul 29;6:107. doi: 10.3389/fpsyt.2015.00107. eCollection 2015. Front Psychiatry. 2015. PMID: 26283974 Free PMC article.

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