SchizophreniaPhase 2NCT00404573
Study Evaluating RGH-188 in the Treatment of Patients With Schizophrenia
A Phase 2 study testing RGH-188 in people with Schizophrenia, run by Forest Laboratories at 1 site in United States.
Trial summary
This is a study designed to evalute the safety and efficacy of RGH-188 in the treatment of acute schizophrenia. This study will be 10 weeks in duration; 6 weeks double-blind treatment, and 4 weeks safety follow-up. Read more about this study
- Who is it for?
- Ages 18 to 65 years
- Conditions the study is for
- Schizophrenia
- What is being tested?
- RGH-188
- How many people
- 375 participants
- Where
- 1 siteUnited States
- Study dates
- Nov 2006to Aug 2007
- Phase
- Phase 2
- 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
- Male and female inpatients, 18-65 years of age, meeting DSM-IV-TR criteria for schizophrenia and having a Total Positive and Negative Syndrome Scale (PANSS) Score >=80 and <=120. A score >=4 on item P1 (delusions) or P3 (hallucinatory behavior) and a score of >=4 on item P2 (conceptual disorganization) or P6 (suspiciousness/persecution) of the PNASS
Who cannot join
- Patients with documented disease of the central nervous system that can interfere with the trial assessments, including but not limited to stroke, tumor, Parkinson's, organic brain disease, seizure disorder (except for febrile convulsions during infancy), chronic infection, or neurosyphilis; or patients who have suffered a traumatic brain injury resulting in significant impairment
Trial locations and contacts
1 site in 1 country.
United States1 site
For information regarding investigative sites, contact Forest Professional Affairs
St Louis, Missouri, 63045
About this study
Official title: A Double-Blind, Placebo-Controlled Evaluation of the Safety and Efficacy of RGH-188 in the Acute Exacerbation of Schizophrenia
This is a study designed to evalute the safety and efficacy of RGH-188 in the treatment of acute schizophrenia. This study will be 10 weeks in duration; 6 weeks double-blind treatment, and 4 weeks safety follow-up. All patients meeting the eligibility criteria will be randomized to one of the three treatment groups--one of two doses of RGH-188 or placebo
- Conditions
- Schizophrenia
- Being tested
- RGH-188
- Keywords
- Schizophrenia
- Medical subject headings
- Schizophrenia
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
RGH-188Drug
What is being measured
The primary outcome is the main question the study is designed to answer.
PANSS Total Score
Secondary outcomes (1)
CGI-S
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted29 Nov 2006 (estimated)
- Study startNov 2006
- Primary completionAug 2007
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (3)Papers the sponsor has linked to this study.
- Other trials for SchizophreniaStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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 2
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
- Enrolment
- 375 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Forest Laboratories
- Sponsor type
- Industry (pharma, biotech, devices)
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00404573
- Sponsor's protocol ID
- RGH-MD-03
- Status last verified
- Jan 2008
- First submitted
- 27 Nov 2006
- Last updated
- 7 Jan 2008
- Results posted
- No
Publications
Laszlovszky I, Barabassy A, Nemeth G. Cariprazine, A Broad-Spectrum Antipsychotic for the Treatment of Schizophrenia: Pharmacology, Efficacy, and Safety. Adv Ther. 2021 Jul;38(7):3652-3673. doi: 10.1007/s12325-021-01797-5. Epub 2021 Jun 6.
PubMed 34091867Barabassy A, Sebe B, Acsai K, Laszlovszky I, Szatmari B, Earley WR, Nemeth G. Safety and Tolerability of Cariprazine in Patients with Schizophrenia: A Pooled Analysis of Eight Phase II/III Studies. Neuropsychiatr Dis Treat. 2021 Apr 7;17:957-970. doi: 10.2147/NDT.S301225. eCollection 2021.
PubMed 33854317Earley W, Durgam S, Lu K, Laszlovszky I, Debelle M, Kane JM. Safety and tolerability of cariprazine in patients with acute exacerbation of schizophrenia: a pooled analysis of four phase II/III randomized, double-blind, placebo-controlled studies. Int Clin Psychopharmacol. 2017 Nov;32(6):319-328. doi: 10.1097/YIC.0000000000000187.
PubMed 28692485
Study at a glance
From the registry record, last updated by the sponsor on 7 Jan 2008. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Double-Blind, Placebo-Controlled Evaluation of the Safety and Efficacy of RGH-188 in the Acute Exacerbation of Schizophrenia
- ClinicalTrials.gov ID
- NCT00404573
- Acronym / sponsor ID
- RGH-MD-03
- Conditions
- Schizophrenia
- Keywords
- Schizophrenia
- Phase
- Phase 2
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 375 participants (estimated)
- Lead sponsor
- Forest LaboratoriesIndustry (pharma, biotech, devices)
- Study start
- Nov 2006
- Primary completion
- Aug 2007 (actual)
- First posted
- 29 Nov 2006 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This is a study designed to evalute the safety and efficacy of RGH-188 in the treatment of acute schizophrenia. This study will be 10 weeks in duration; 6 weeks double-blind treatment, and 4 weeks safety follow-up. All patients meeting the eligibility criteria will be randomized to one of the three treatment groups--one of two doses of RGH-188 or placebo
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
Who may qualify
- Ages
- 18 to 65 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (1 listed)
- Male and female inpatients, 18-65 years of age, meeting DSM-IV-TR criteria for schizophrenia and having a Total Positive and Negative Syndrome Scale (PANSS) Score >=80 and <=120. A score >=4 on item P1 (delusions) or P3 (hallucinatory behavior) and a score of >=4 on item P2 (conceptual disorganization) or P6 (suspiciousness/persecution) of the PNASS
Key exclusion criteria (1 listed)
- Patients with documented disease of the central nervous system that can interfere with the trial assessments, including but not limited to stroke, tumor, Parkinson's, organic brain disease, seizure disorder (except for febrile convulsions during infancy), chronic infection, or neurosyphilis; or patients who have suffered a traumatic brain injury resulting in significant impairment
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| RGH-188 | Drug | – |
Primary outcome
PANSS Total Score
1 secondary outcome
CGI-S
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 7 Jan 2008.
- Derived from this study: PubMed 34091867Laszlovszky I, Barabassy A, Nemeth G. Cariprazine, A Broad-Spectrum Antipsychotic for the Treatment of Schizophrenia: Pharmacology, Efficacy, and Safety. Adv Ther. 2021 Jul;38(7):3652-3673. doi: 10.1007/s12325-021-01797-5. Epub 2021 Jun 6.
- Derived from this study: PubMed 33854317Barabassy A, Sebe B, Acsai K, Laszlovszky I, Szatmari B, Earley WR, Nemeth G. Safety and Tolerability of Cariprazine in Patients with Schizophrenia: A Pooled Analysis of Eight Phase II/III Studies. Neuropsychiatr Dis Treat. 2021 Apr 7;17:957-970. doi: 10.2147/NDT.S301225. eCollection 2021.
- Derived from this study: PubMed 28692485Earley W, Durgam S, Lu K, Laszlovszky I, Debelle M, Kane JM. Safety and tolerability of cariprazine in patients with acute exacerbation of schizophrenia: a pooled analysis of four phase II/III randomized, double-blind, placebo-controlled studies. Int Clin Psychopharmacol. 2017 Nov;32(6):319-328. doi: 10.1097/YIC.0000000000000187.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 2 study testing RGH-188 in people with Schizophrenia, run by Forest Laboratories at 1 site in United States.
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 1 inclusion and 1 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: finished, as of the sponsor's last update on 7 Jan 2008. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. 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 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
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 is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
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?
PANSS Total Score. 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 NCT00404573, which also lists 3 linked publications.
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 7 Jan 2008.