NCT00345033

Brief Summary

This study will evaluate the effects of combination treatment with aripiprazole and clozapine on insulin resistance, blood fat levels, and weight gain in people diagnosed with schizophrenia.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
38

participants targeted

Target at P25-P50 for phase_4 schizophrenia

Timeline
Completed

Started Mar 2005

Longer than P75 for phase_4 schizophrenia

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 2005

Completed
1.3 years until next milestone

First Submitted

Initial submission to the registry

June 23, 2006

Completed
4 days until next milestone

First Posted

Study publicly available on registry

June 27, 2006

Completed
3.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 1, 2009

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2010

Completed
2 years until next milestone

Results Posted

Study results publicly available

September 13, 2012

Completed
Last Updated

June 23, 2014

Status Verified

June 1, 2014

Enrollment Period

4.6 years

First QC Date

June 23, 2006

Results QC Date

April 26, 2012

Last Update Submit

June 10, 2014

Conditions

Keywords

Glucose Metabolism

Outcome Measures

Primary Outcomes (6)

  • Change in Total Cholesterol

    A comparison of aripiprazole group and placebo group in change in total cholesterol measured at Baseline and Week 8.

    Measured at Baseline and Week 8

  • Change in Weight

    A comparison between aripiprazole group and placebo group in change in weight measured at Baseline and Week 8.

    Measured at Baseline and Week 8

  • Change in Body Mass Index (BMI)

    A comparison between aripiprazole group and placebo group of change in Body Mass Index (BMI) measured at Baseline and Week 8.

    Measured at Baseline and Week 8

  • Change in Glucose Metabolism

    A comparison between the aripiprazole group and placebo group in change in glucose metabolism measured at Baseline and Week 8.

    Measured at Baseline and Week 8

  • Change in Triglycerides

    Measured at Baseline and Week 8

  • Change in Insulin Resistance

    A comparison between aripiprazole group and placebo group of change in insulin resistance measured at Baseline and Week 8.

    Measured at Baseline and Week 8

Study Arms (2)

1

EXPERIMENTAL

Participants will take aripiprazole 15mg/day for 8 weeks.

Drug: Aripiprazole

2

PLACEBO COMPARATOR

Participants will take placebo for 8 weeks.

Drug: Placebo

Interventions

15-mg dose once a day for 8 weeks

1

1 tablet placebo dose once a day for 8 weeks

2

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Diagnosis of schizophrenia (any subtype) or schizoaffective disorder (any subtype)
  • Treatment with clozapine for at least 1 year
  • Stable dose of clozapine for at least 1 month
  • Well established compliance with outpatient medications
  • Female participants of non-childbearing potential or of childbearing potential and willing to practice appropriate birth control methods (complete abstinence from sexual intercourse, female sterilization, sterilization of male partner, implants of levonorgestrel, injectable progestogen, oral contraceptives, intrauterine devices, or double barrier methods of contraception using spermicide with either a condom or diaphragm) during the study

You may not qualify if:

  • Current substance abuse
  • Psychiatrically unstable
  • Significant medical illness, including severe cardiovascular, hepatic, or renal disease
  • History of immunosuppression
  • Current or recent radiation or chemotherapy treatment for cancer
  • Chronic use of steroids
  • Pregnant or breastfeeding

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Massachusetts General Hospital Schizophrenia Program

Boston, Massachusetts, 02114, United States

Location

Related Publications (7)

  • Casey DE, Carson WH, Saha AR, Liebeskind A, Ali MW, Jody D, Ingenito GG; Aripiprazole Study Group. Switching patients to aripiprazole from other antipsychotic agents: a multicenter randomized study. Psychopharmacology (Berl). 2003 Apr;166(4):391-9. doi: 10.1007/s00213-002-1344-3. Epub 2003 Feb 28.

    PMID: 12610718BACKGROUND
  • Goldstein LE, Sporn J, Brown S, Kim H, Finkelstein J, Gaffey GK, Sachs G, Stern TA. New-onset diabetes mellitus and diabetic ketoacidosis associated with olanzapine treatment. Psychosomatics. 1999 Sep-Oct;40(5):438-43. doi: 10.1016/S0033-3182(99)71210-7. No abstract available.

    PMID: 10479950BACKGROUND
  • Hadigan C, Miller K, Corcoran C, Anderson E, Basgoz N, Grinspoon S. Fasting hyperinsulinemia and changes in regional body composition in human immunodeficiency virus-infected women. J Clin Endocrinol Metab. 1999 Jun;84(6):1932-7. doi: 10.1210/jcem.84.6.5738.

    PMID: 10372689BACKGROUND
  • Henderson DC, Cagliero E, Gray C, Nasrallah RA, Hayden DL, Schoenfeld DA, Goff DC. Clozapine, diabetes mellitus, weight gain, and lipid abnormalities: A five-year naturalistic study. Am J Psychiatry. 2000 Jun;157(6):975-81. doi: 10.1176/appi.ajp.157.6.975.

    PMID: 10831479BACKGROUND
  • Marder SR, McQuade RD, Stock E, Kaplita S, Marcus R, Safferman AZ, Saha A, Ali M, Iwamoto T. Aripiprazole in the treatment of schizophrenia: safety and tolerability in short-term, placebo-controlled trials. Schizophr Res. 2003 Jun 1;61(2-3):123-36. doi: 10.1016/s0920-9964(03)00050-1.

    PMID: 12729864BACKGROUND
  • Visser M, Fuerst T, Lang T, Salamone L, Harris TB. Validity of fan-beam dual-energy X-ray absorptiometry for measuring fat-free mass and leg muscle mass. Health, Aging, and Body Composition Study--Dual-Energy X-ray Absorptiometry and Body Composition Working Group. J Appl Physiol (1985). 1999 Oct;87(4):1513-20. doi: 10.1152/jappl.1999.87.4.1513.

    PMID: 10517786BACKGROUND
  • Wirshing DA, Boyd JA, Meng LR, Ballon JS, Marder SR, Wirshing WC. The effects of novel antipsychotics on glucose and lipid levels. J Clin Psychiatry. 2002 Oct;63(10):856-65. doi: 10.4088/jcp.v63n1002.

    PMID: 12416594BACKGROUND

MeSH Terms

Conditions

SchizophreniaInsulin Resistance

Interventions

Aripiprazole

Condition Hierarchy (Ancestors)

Schizophrenia Spectrum and Other Psychotic DisordersMental DisordersHyperinsulinismGlucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic Diseases

Intervention Hierarchy (Ancestors)

PiperazinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsQuinolonesQuinolinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-Ring

Limitations and Caveats

The limitations of this study include the relatively small sample size, short intervention period (8 weeks) and the lack of generalizability of our findings to patients with schizophrenia treated by antipsychotic agents other than clozapine.

Results Point of Contact

Title
David C. Henderson
Organization
Massachusetts General Hospital

Study Officials

  • David C. Henderson, MD

    Massachusetts General Hospital

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor of Psychiatry

Study Record Dates

First Submitted

June 23, 2006

First Posted

June 27, 2006

Study Start

March 1, 2005

Primary Completion

October 1, 2009

Study Completion

October 1, 2010

Last Updated

June 23, 2014

Results First Posted

September 13, 2012

Record last verified: 2014-06

Locations