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SchizophreniaPhase 4NCT00418873

Zotepine Versus Risperidone in Aggressive Schizophrenic Patients of Acute Ward

A Phase 4 study testing Zotepine and Risperidone in people with Schizophrenia, run by Astellas Pharma Inc at 4 sites in Taiwan.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

The purpose of this study is to compare the efficacy and tolerability of zotepine versus Risperidone in aggressive schizophrenic patients. Read more about this study

Who is it for?
Ages 18 to 65 years
Conditions the study is for
Schizophrenia
What is being tested?
Zotepine and Risperidone
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
39 participants
Where
4 sitesTaiwan
Study dates
Mar 2007to Dec 2009
Phase
Phase 4
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 65 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Aged 18 to 65 years, male or female
  • In-patients suffering from schizophrenia according to DSM-IV diagnostic criteria with PANSS total score of greater than or equal to 60.
  • Patients with PANSS-EC total score of greater than or equal to 14 and with at least one PANSS-EC symptom score greater than or equal to 4

Who cannot join

  • Patients with history of seizure or with alcohol or substance abuse in the last 6 months
  • Diabetes, Parkinson's disease or phaeochromocytoma
  • Patients with hypertension and current use of antihypertensive agents
  • Women who are pregnant, lactating or intend to become pregnant during the study period
  • Poor response to two different antipsychotics in full dose and full course or use of clozapine previously
  • Renal, hepatic, haematologic disease or other conditions may not suitable for the study based on investigator's evaluation

Trial locations and contacts

4 sites in 1 country.

Taiwan4 sites
  • Study site

    Bali, Taipei, 249

  • Study site

    Taipei, 110

  • Study site

    Taipei, 114

  • Study site

    Taoyuan, 330

Other trials in Taiwan

About this study

Official title: A Multi-centre Comparative Study to Evaluate the Anti-aggression Effect and Safety of Zotepine Versus Risperidone in Aggressive Schizophrenic Patients of Acute Ward

The purpose of this study is to compare the efficacy and tolerability of zotepine versus Risperidone in aggressive schizophrenic patients.

Conditions
Schizophrenia
Being tested
Zotepine, Risperidone
Keywords
schizophrenia, zotepine, risperidone, second generation antipsychotic
Medical subject headings
Schizophrenia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • ZotepineDrug

    Also called Lodopin®, Zoleptil®, Nipolept®

    Oral

  • RisperidoneDrug

    Also called Risperdal®

    Oral

Study groups in NCT00418873
Study groupRoleWhat they receive
1. ZotepineExperimentalNot described
Receives: Drug: Zotepine
2. RisperidoneActive comparatorNot described
Receives: Drug: Risperidone

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change from baseline in aggression behavior assessed using the Positive and Negative Syndrome Scale Excited Component (PANSS-EC) score.

    Measured: 6 Weeks

Secondary outcomes (2)
  1. Change from baseline on the total score of Positive and Negative Syndrome Scale

    Measured: 6 Weeks

  2. Change from baseline on Clinical Global Impression (CGI)

    Measured: 6 Weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted5 Jan 2007 (estimated)
  2. Study startMar 2007
  3. Primary completionDec 2009
  4. Study completionDec 2009

Why it stopped: Study was stopped due to difficulty in patient enrollment

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
39 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00418873
Sponsor's protocol ID
LPRIS-0601-TW
Status last verified
Apr 2010
First submitted
3 Jan 2007
Last updated
16 Apr 2010
Results posted
No
Data monitoring committee
No

Publications

  • Chan HY, Lin AS, Chen KP, Cheng JS, Chen YY, Tsai CJ. An open-label, randomized, controlled trial of zotepine and risperidone for acutely ill, hospitalized, schizophrenic patients with symptoms of agitation. J Clin Psychopharmacol. 2013 Dec;33(6):747-52. doi: 10.1097/JCP.0b013e31829e8168.

    PubMed 24100785

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Zotepine and Risperidone in people with Schizophrenia, run by Astellas Pharma Inc at 4 sites in Taiwan.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 16 Apr 2010. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 4 sites in Taiwan. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study was stopped early (reason given: Study was stopped due to difficulty in patient enrollment). Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change from baseline in aggression behavior assessed using the Positive and Negative Syndrome Scale Excited Component (PANSS-EC) score. (time frame: 6 Weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00418873, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 16 Apr 2010.

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