Unique ID issued by UMIN | UMIN000017047 |
---|---|
Receipt number | R000019436 |
Scientific Title | A randomized, open-label clinical trial on the efficacy of blonanserin and olanzapine in patients with schizophrenia and dopamine supersensitivity psychosis |
Date of disclosure of the study information | 2015/04/10 |
Last modified on | 2020/07/20 14:29:33 |
A randomized, open-label clinical trial on the efficacy of blonanserin and olanzapine in patients with schizophrenia and dopamine supersensitivity psychosis
Replacement with the Optimal Antipsychotic for Dopamine Supersensitivity Study (ROADS Study)
A randomized, open-label clinical trial on the efficacy of blonanserin and olanzapine in patients with schizophrenia and dopamine supersensitivity psychosis
Replacement with the Optimal Antipsychotic for Dopamine Supersensitivity Study (ROADS Study)
Japan |
Schizophrenia
Psychiatry |
Others
NO
To investigate the efficacy of blonanserin compared with olanzapine in patients with dopamine supersensitivity psychosis
Efficacy
Exploratory
Phase IV
Change in total score of the Positive and Negative Symptoms Scale (PANSS) between baseline and endpoint (6 months)
<Efficacy>
1) Before administration and 3 and 6 months after the start of administration:
-Change in daily dose of all antipsychotic drugs (calculated as chlorpromazine)
2) 3 months and 6 months after the start of administration:
-Dropout rate
-Monotherapy ratio
-PANSS (Positive Scale, Negative Scale, Comprehensive Psychopathology Scale)
-CGI-S
-Concomitant drugs
<Safety>
1) Before administration and 6 months after administration (final observation point/at the time of discontinuation):
-ESRS
-Adverse events
-Weight change
-Changes in blood test items:
Biochemistry (GOT, GPT, LDH, gamma-GTP, T-Bil, CPK, BUN, Cr, Na, K, Cl, CRP, T-Cho, TG, fasting (any time) blood glucose, HbA1c, prolactin), blood Arithmetic (WBC, RBC, Hb, Plt)
-ECG (change in QTc interval)
2) 1 month, 2 months, 3 months after the start of administration:
-ESRS
-Adverse events
-Weight change
Interventional
Parallel
Randomized
Individual
Open -but assessor(s) are blinded
Active
YES
Central registration
2
Treatment
Medicine |
Blonanserin as add-on therapy
Olanzapine as add-on therapy
20 | years-old | <= |
65 | years-old | > |
Male and Female
1)Diagnosed as a schizophrenia (DSM-IV-TR)
2)[Criteria for DSP]Treated with antipsychotics for at least 3 months
3)[Criteria for DSP] Relapse/exacerbation of psychosis in the past year under any of the following conditions:
a) Relapse/exacerbation within 6 weeks after reduction/discontinuance/non-adherence of oral antipsychotics
b) Relapse/exacerbation within 3 months after reduction/discontinuance/non-adherence of long acting injectable antipsychotics
c) Failure to control relapse/exacerbation using 20% increased dose of antipsychotics
d) New symptoms/severe exacerbation induced by reduction/discontinuance/non-adherence/replacement of antipsychotics
4) Total score of PANSS at baseline >= 78
5) Stable antipsychotic treatment for the 4 weeks before providing informed consent
6) Providing an informed consent
1)[Criteria for DSP] First episode schizophrenia
2)[Criteria for DSP] Unstable and continuous severe psychotic symptoms under antipsychotic treatment for more than 3 months
3))[Criteria for DSP] Deficit syndrome
4)Contraindication to blonanserin/olanzapine
60
1st name | Masaomi |
Middle name | |
Last name | Iyo |
Chiba University Graduate School of Medicine
Psychiatry
260-8670
1-8-1 Inohana, Chuo-ku, Chiba, Japan
+81-(0)43-226-2148
iyom@faculty.chiba-u.jp
1st name | Tomihisa |
Middle name | |
Last name | Niitsu |
Chiba University Graduate School of Medicine
Department of Psychiatry
260-8670
1-8-1 Inohana, Chuo-ku, Chiba, Japan
+81-(0)43-226-2148
niitsu@chiba-u.jp
Chiba University Hospital Clinical Research Center
Sumitomo Dainippon Pharma Co., Ltd.
Profit organization
Chiba University Hospital, IRB
1-8-1 Inohana, Chuo-ku, Chiba
043-222-7171
chibacrc@mac.com
NO
2015 | Year | 04 | Month | 10 | Day |
Unpublished
61
Completed
2015 | Year | 02 | Month | 19 | Day |
2015 | Year | 02 | Month | 19 | Day |
2015 | Year | 04 | Month | 16 | Day |
2018 | Year | 09 | Month | 30 | Day |
2018 | Year | 11 | Month | 30 | Day |
2015 | Year | 04 | Month | 05 | Day |
2020 | Year | 07 | Month | 20 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000019436