Evidence map›Paper›PMID 17662577›Full record

Trial reportSchizophrenia research2007

Effects of olanzapine, risperidone and haloperidol on prepulse inhibition in schizophrenia patients: a double-blind, randomized controlled trial.

Jonathan K Wynn, Michael F Green, Joyce Sprock, Gregory A Light, Clifford Widmark, Christopher Reist, Stephen Erhart, Stephen R Marder, Jim Mintz, David L Braff

Open access · greenAbstract readComparative StudyRandomized Controlled Trial
In one paragraph

Trial report in Schizophrenia research, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed, 2 pooled it
4.2field-weighted citation impact, top 5% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

29 citing papers in PubMed, 2 syntheses or guidelines pooled it, 74 citations in OpenAlex.

  1. Risperidone versus other atypical antipsychotics for schizophrenia.The Cochrane database of systematic reviews · 2011
    Pooled it
  2. Olanzapine versus other atypical antipsychotics for schizophrenia.The Cochrane database of systematic reviews · 2010
    Pooled it
  3. Trial
  4. Trial
  5. Prepulse inhibition of startle in adults with ADHD.Journal of psychiatric research · 2009
    Trial
  6. Article
  7. Review
  8. Review
  9. Article
  10. Review
  11. Article
  12. Effects of dopamine D2/D3 blockade on human sensory and sensorimotor gating in initially antipsychotic-naive, first-episode schizophrenia patients.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2014
    Article
  13. Article
  14. Article
  15. Article
  16. Prepulse inhibition of startle response: recent advances in human studies of psychiatric disease.Clinical psychopharmacology and neuroscience : the official scientific journal of the Korean College of Neuropsychopharmacology · 2011
    Article
  17. Article
  18. Deletion of CB2 cannabinoid receptor induces schizophrenia-related behaviors in mice.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2011
    Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 7 institutions in 1 country.

Jonathan K WynnDepartment of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA, USA. jkwynn@ucla.edu
Michael F Green
Joyce Sprock
Gregory A Light
Clifford Widmark
Christopher Reist
Stephen Erhart
Stephen R Marder
Jim Mintz
David L Braff
University of California, San Diego · USUniversity of California, Los Angeles · USNeurobehavioral Systems · USOlive View-UCLA Medical Center · USUniversity of California, Irvine · USVA Greater Los Angeles Healthcare System · USVA Long Beach Healthcare System · US

Funding

SENSORY GATING &HABITUATION IN SCHIZOPHRENIAR01MH042228 · NIMH · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI BRAFF, DAVID L. · 1987 to 2015
$6.5M
SENSORY GATING AND HABITUATION IN SCHIZOPHRENIAR37MH042228 · NIMH · UNIVERSITY OF CALIFORNIA SAN DIEGO · PI BRAFF, DAVID L. · 1993 to 2002
$1.3M
NIMH NIH HHS MH-042228NIMH NIH HHS R01 MH042228NIMH NIH HHS R37 MH042228
6 · The paper itself

Abstract

Prepulse inhibition (PPI), whereby the startle eyeblink response is inhibited by a relatively weak non-startling stimulus preceding the powerful startle eliciting stimulus, is a measure of sensorimotor gating and has been shown to be deficient in schizophrenia patients. There is considerable interest in whether conventional and/or atypical antipsychotic medications can "normalize" PPI deficits in schizophrenia patients. 51 schizophrenia patients participated in a randomized, double-blind controlled trial on the effects of three commonly-prescribed antipsychotic medications (risperidone, olanzapine, or haloperidol) on PPI, startle habituation, and startle reactivity. Patients were tested at baseline, Week 4 and Week 8. Mixed model regression analyses revealed that olanzapine significantly improved PPI from Week 4 to Week 8, and that at Week 8 patients receiving olanzapine produced significantly greater PPI than those receiving risperidone, but not haloperidol. There were no effects of medication on startle habituation or startle reactivity. These results support the conclusion that olanzapine effectively increased PPI in schizophrenia patients, but that risperidone and haloperidol had no such effects. The results are discussed in terms of animal models, neural substrates, and treatment implications.

Indexed as

Acoustic StimulationAntipsychotic AgentsBenzodiazepinesDouble-Blind MethodElectromyographyFemaleHabituation, PsychophysiologicHaloperidolHumansMaleMiddle AgedOlanzapinePsychotic DisordersReflex, StartleRisperidoneSchizophreniaAntipsychotic AgentsBenzodiazepinesHaloperidolOlanzapineRisperidone

Identifiers

PMID17662577
PMCPMC2716219
OpenAlexW2172209693

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.