OCTUMI-4: Evaluation of Mirtazapine and Folic Acid for Schizophrenia

ISRCTN ISRCTN32434568
DOI https://doi.org/10.1186/ISRCTN32434568
Secondary identifying numbers RECOVERY [OCTUMI-4]
Submission date
26/11/2009
Registration date
18/01/2010
Last edited
04/10/2017
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Mental and Behavioural Disorders
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English Summary

Not provided at time of registration

Contact information

Prof John Geddes
Scientific

University of Oxford
Department of Psychiatry
Warneford Hospital
Oxford
OX3 7JX
United Kingdom

Study information

Study designMulticentre randomised double-blind placebo-controlled 2x2 factorial trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Hospital
Study typeTreatment
Participant information sheet Not available in web format, please use the contact details below to request a patient information sheet
Scientific titleOCTUMI-4: Evaluation of Mirtazapine and Folic Acid for Schizophrenia: A Large Simple 2x2 Factorial Trial
Study acronymOCTUMI-4
Study hypothesisPrimary hypothesis: Mirtazapine add-on therapy is superior to placebo in the treatment of symptoms in people with schizophrenia, measured by the Positive and Negative Syndrome Scale (PANSS).
Secondary hypotheses: Folic acid is superior to placebo as add-on therapy in the treatment of symptoms in patients with schizophrenia, measured by the PANSS.

Please note that as of 22/09/10 this record has been updated. Updates can be found in the relevant field with the above update date. Please also note that the trial will no longer be taking place in centres in China, as was intended at the time of registration.
Ethics approval(s)The Oxford Research Ethics Committee C, 26/07/2010, ref: 10/HO606/24
ConditionSchizophrenia
InterventionParticipants are randomly allocated to mirtazapine or placebo and separately to folic acid or placebo
1. Mirtazapine or placebo
2. Folic acid or placebo
Both as add-on therapies to ongoing antipsychotic treatment

Both allocated medicines are taken orally for 12 weeks with a 2-week tapering period for mirtazapine on completion of the trial. The dose of mirtazapine is 30mg and of folic acid 400 - 500microg. (Participants for whom random allocation of folic acid/placebo is not appropriate can take part in the trial and be randomly allocated to lamotrigine or placebo only.)
Intervention typeDrug
Pharmaceutical study type(s)
PhaseNot Applicable
Drug / device / biological / vaccine name(s)Mirtazapine, folic acid
Primary outcome measureReduction of symptoms of schizophrenia assessed using the PANSS
Both primary and secondary outcomes will be measured at baseline and then at 4, 8 and 12 weeks
Secondary outcome measures1. Reduction of negative symptoms of schizophrenia assessed using the PANSS
2. Change in depressive symptoms
3. Tolerability of trial treatment
4. Adverse effects including akathisia and extra pyramidal symptoms
Overall study start date01/04/2010
Overall study end date31/12/2012

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
SexBoth
Target number of participants334
Participant inclusion criteria1. Diagnosis of DSM-IV schizophrenia
2. Active psychotic symptoms - i.e. hallucinations, delusions, thought disorder
3. Inpatient or outpatient
4. Aged 18 to 70 years.
5. Able and willing to consent to participate
6. Minimum score on PANSS 60
7. Drug treatment stable
8. Currently taking effective dose of antipsychotic
9. Adjunctive mirtazapine appears reasonable and both investigator and patient are uncertain whether it will offer any benefit
10. Clinically appropriate to change or augment treatment. Participants for whom random allocation of folic acid or placebo is not appropriate will be allocated mirtazapine or placebo only.

Ammended 22/09/10:
4. 16-70 years
Participant exclusion criteria1. Not meeting criteria for current manic episode including schizoaffective disorder
2. No antidepressant treatment within last two weeks and not considering treatment for depression
3. Not taking clozapine
4. No contraindication to investigational medicinal products
5. Not pregnant, breast-feeding or planning a pregnancy
Recruitment start date01/04/2010
Recruitment end date31/12/2012

Locations

Countries of recruitment

  • England
  • Finland
  • Italy
  • United Kingdom

Study participating centre

University of Oxford
Oxford
OX3 7JX
United Kingdom

Sponsor information

University of Oxford (UK)
University/education

Clinical Trials and Research Governance
Manor House
John Radcliffe Hospital
Headington
Oxford
OX3 9DU
England
United Kingdom

Website http://www.ox.ac.uk
ROR logo "ROR" https://ror.org/052gg0110

Funders

Funder type

Research organisation

Stanley Medical Research Institute (USA)
Private sector organisation / Research institutes and centers
Alternative name(s)
The Stanley Medical Research Institute, SMRI
Location
United States of America

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan

Editorial Notes

04/10/2017: No publications found in PubMed, verifying study status with principal investigator.