SchizophreniaNCT04055181
Influence of rTMS on Symptoms and Cognitive Function in Patients With Psychiatric Disorders
A study testing rTMS in schizophrenia patients and rTMS in major depressive disorders patients in people with Schizophrenia and Major Depressive Disorder, run by Beijing HuiLongGuan Hospital at 6 sites in China.
Trial summary
The investigators investigated the effects of high frequency (10Hz) repetitive transcranial magnetic stimulation (rTMS) on the symptoms and cognitive functioning in patients with psychiatric disorders Read more about this study
- Who is it for?
- Ages 18 to 60 years
- Conditions the study is for
- Schizophrenia, Major Depressive Disorder
- What is being tested?
- rTMS in schizophrenia patients and rTMS in major depressive disorders patients
- Type of treatment
- Medical device
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 800 participants
- Where
- 6 sitesChina
- Study dates
- 1 Dec 2018to 30 Jan 2020
- Phase
- Interventional
- 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 60 years
- All sexes
- No healthy volunteers
- Adult
Who may be able to join
- For Schizophrenia Patients:
- Diagnosis of schizophrenia by two senior psychiatrists
- Between 18 and 60 years and Han Chinese
- Duration of symptoms at least 12 months
- With unresolved negative symptoms (Negative scale of PANSS ≥20 and positive scale of PANSS < 24)
- Smoking
Show all 11Show fewer
- For Major Depressive Disorder Patients:
- Diagnosis of Major depressive disorder by two senior psychiatrists
- Between 18 and 60 years and Han Chinese
- Duration of symptoms at least 12 months
- Smoking
Who cannot join
- Documented disease of physical diseases including, but not limited to seizure, epilepsy, aneurysm brain tumor, and stroke, dementia, parkinson's disease, Huntington's disease, multiple sclerosis
- Acute, unstable and/or significant and untreated medical illness (e.g., infection, unstable diabetes, uncontrolled hypertension)
- Severe headache for unknown reasons and cardiovascular diseases, intracranial metals, pacemakers, severe and those receiving electroconvulsive therapy in the past 3 months
- Past history of autoimmune and allergies, hypertension, lung disease, diabetes or cerebrovascular disease), past history of neurological illness (head trauma with loss of consciousness for more than 5 minutes) or family history of epilepsy increasing the risk of seizures
- Education level less than 5 years by subject report
- Receiving or planning to start the psychotherapy during the rTMS treatment or past received psychotherapy 6 months before the current study
- Subjects who suffered from alcohol or illegal drug abuse/dependence
Trial locations and contacts
6 sites in 1 country.
6 sites in 1 country
China6 sites
Chaohu Hospital of Anhui medical unviersity
Chaohu, Anhui, 238000
Ganzhou Third Hospital
Ganzhou, Jiangxi, 341000
Ningxia Mental Health Center
Ning’an, Ningxia, 755100
Wuhan Mental Health Center
Wuhan, Hubei, 100096
Xi'an Mental Health Center
Xi’an, Shanxi, 710000
Zhongshan Third People's Hospital
Zhongshan, Guangdong, 528400
About this study
Official title: Influence of rTMS on Symptoms and Cognition in Patients With Psychiatric Disorders
The investigators investigated the effects of high frequency (10Hz) repetitive transcranial magnetic stimulation (rTMS) on the symptoms and cognitive functioning in patients with psychiatric disorders
Read the detailed description
OBJECTIVE: This study aimed to evaluate the efficacy of high-frequency rTMS over left dorsolateral prefrontal cortex in the treatment of symptoms and cognitive functioning in 200 chronic patients with schizophrenia and 200 patients with major depressive disorders
METHODS:
- Clinical Trial:The study consists of 4 weeks of treatment.
- Assess Procedures:
2.1 Primary Outcome Variable-Psychopathology: The psychopathology of patients was assessed by three clinical trained staff, who were blind to treatment protocols, using the Positive and Negative Syndrome Scale (PANSS) or DSM-IV for depression, and repeatable battery for the assessment of neuropsychological status(RBANS).Patients are interviewed at screening, at at baseline, 4 weeks, 16 weeks.
2.2 Side effects: The side effect rating scale (UKU) was used to assess the side effect at baseline, 4 weeks, and 16 weeks.
2.3 Weight gain measurement: weight gain every week
- Conditions
- Schizophrenia, Major Depressive Disorder
- Being tested
- rTMS in schizophrenia Controls, rTMS in schizophrenia patients, rTMS in major depressive disorders controls, rTMS in major depressive disorders patients
- Keywords
- schizophrenia, smoking, rTMS, major depressive disorder
- Medical subject headings
- Schizophrenia, Depressive Disorder, Major, Smoking
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
rTMS in schizophrenia ControlsDevice
all procedures were identical to "rTMS in schizophrenia patients" group except they were the non-magnetized steel cylinders, instead of cylindrical magnets, that were rotated.
rTMS in schizophrenia patientsDevice
10 Hz stimulations over left DLPFC occurred at a power of 110% of MT for 27-s intervals with 20s intertrain interval. 20 minutes were administered each day (Monday-Friday) for 4 consecutive weeks
rTMS in major depressive disorders controlsDevice
all procedures were identical to "rTMS in major depressive disorders patients" group except they were the non-magnetized steel cylinders, instead of cylindrical magnets, that were rotated.
rTMS in major depressive disorders patientsDevice
10 Hz stimulations over left DLPFC occurred at a power of 110% of MT for 27-s intervals with 20s intertrain interval. 20 minutes were administered each day (Monday-Friday) for 4 consecutive weeks
| Study group | Role | What they receive |
|---|---|---|
| rTMS in schizophrenia patients | Active comparator | In active rTMS, 10 Hz stimulations over left DLPFC occurred at a power of 110% of motor threshold (MT) for 27-s intervals with 20s inter-train interval. 20 minutes were administered each day (Monday-Friday) for 4 consecutive weeks Receives: Device: rTMS in schizophrenia patients |
| rTMS in schizophrenia Controls | Sham comparator | In sham rTMS, all procedures were identical to 10Hz Schizophrenia group except they were the non-magnetized steel cylinders, instead of cylindrical magnets, that were rotated. Receives: Device: rTMS in schizophrenia Controls |
| rTMS in major depressive disorders patients | Active comparator | In active rTMS, 10 Hz stimulations over left DLPFC occurred at a power of 110% of MT for 27-s intervals with 20s inter-train interval. 20 minutes were administered each day (Monday-Friday) for 4 consecutive weeks Receives: Device: rTMS in major depressive disorders patients |
| rTMS in major depressive disorders controls | Sham comparator | In sham rTMS, all procedures were identical to 10Hz depression group except they were the non-magnetized steel cylinders, instead of cylindrical magnets, that were rotated. Receives: Device: rTMS in major depressive disorders controls |
What is being measured
The primary outcome is the main question the study is designed to answer.
symptoms assessed on PANSS
The Positive and Negative Syndrome Scale is often shorted as PANSS. It is a well-characterized and well-applied measurement instrument that measures positive and negative syndromes, their differential and general severity of illness. The items on the PANSS are defined with increasing levels from 1 to 7, the greater the value appears, the severe the level is: 1 = absent, 2 = minimal, 3 = mild, 4 = moderate, 5 = moderate-severe, 6 = severe, and 7 = extreme. The PANSS score is finalized by summation of ratings across different items, the potential range for positive and negative scales are from 7 to 49 whereas the General Psychopathology Scale is ranged between 16 to 112.
Measured: 4 weeks
cognitive functioning assessed on RBANS
The Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) is a test for identifying and characterizing abnormal cognitive decline in the elders and examining neuropsychological disorders for younger adults. The RBANS is comprised of five domains, which are Immediate Memory, Visuospatial /Constructional, Language, Attention and Delayed Memory. Each of the five index is based on two subtests except Delayed memory index consisting of four subtests. The score from each index is scaled by the age group with the scaled score mean to be 100 and standard deviation equals to 15, then the total RBANS scored is summed up of these indexes with the same normal mean and standard deviation. The lower the RBANS score the patient receives, the grave cognitive declination appears.
Measured: 4 weeks
major depressive disorders assessed on Diagnostic and Statistical Manual of Mental Disorders (DSM-V)
The classification of major depressive disorder has been updated in the Fifth Edition of Diagnostic and Statistical Manual of Mental Disorder (DSM-V). It is defined by the lifetime absence of mania and hypomania, as well as one or more major depressive episodes. DSM description includes the diagnostic classification, the diagnostic criteria sets and the descriptive text. The diagnostic classification represents the official list of mental disorder with diagnostic codes that used by all U.S. health care professionals. The diagnostic criteria, specifically, the criteria for major depressive disorder consists: five or more out of nine related symptoms, symptoms cause significant distress or impairment, episode has not attribute to any substance or medical condition, the absent of psychotic disorder, the absent of any manic or hypomanic episode. Last but not the least, the descriptive text provides information like diagnostic features, diagnostic measures and functional consequences.
Measured: 4 weeks
Secondary outcomes (1)
Side effect assessed on UKU
The Udvalg for Kliniske Under-sogelser (UKU) side effect rating scale is a clinician-rated assessment uses to capture the side effects of psychotropic drug doses.
It consists three parts: The first part, the single symptom rating scale. The scoring level may varied on the individual items but the general scale remains the same principle: 0= not or doubtfully present, 1 = present to a mild degree, 2 = present to a moderate degree, 3 = present to a severe degree. The greater level indicate, the severe the symptom becomes. The second part is a global assessment, where as 0 refers to no effect and 3 represents side effects that interfere moderately with the patient's performance. The last component is a statement of the results that the patient's side effects have for following up the medication. The decision are listed as from 0, "no action", to 3, "discontinuation of drug or changes to another preparation". The larger the number appears, the greater demand of intervention.
Measured: 4 weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted13 Aug 2019
- Study start1 Dec 2018
- Primary completion30 Dec 2019
- Study completion30 Jan 2020
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (5)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 N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind
- Who is masked
- Participant, Investigator, Outcomes assessor
- Enrolment
- 800 participants (actual)
Sponsor and investigators
- Lead sponsor
- Beijing HuiLongGuan Hospital
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Xiang Yang Zhang, Beijing HuiLongGuan Hospital
- Investigators
- Xiang Y Zhang, MD,PhD, Principal investigator, Institute of Psychology, Chinese Academy of Sciences
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04055181
- Sponsor's protocol ID
- CASPsy2
- Status last verified
- Jun 2021
- First submitted
- 14 Jul 2019
- Last updated
- 9 Jun 2021
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No: Data with be available on request
Publications
Kozak K, Sharif-Razi M, Morozova M, Gaudette EV, Barr MS, Daskalakis ZJ, Blumberger DM, George TP. Effects of short-term, high-frequency repetitive transcranial magnetic stimulation to bilateral dorsolateral prefrontal cortex on smoking behavior and cognition in patients with schizophrenia and non-psychiatric controls. Schizophr Res. 2018 Jul;197:441-443. doi: 10.1016/j.schres.2018.02.015. Epub 2018 Feb 24.
PubMed 29486960Prikryl R, Ustohal L, Kucerova HP, Kasparek T, Jarkovsky J, Hublova V, Vrzalova M, Ceskova E. Repetitive transcranial magnetic stimulation reduces cigarette consumption in schizophrenia patients. Prog Neuropsychopharmacol Biol Psychiatry. 2014 Mar 3;49:30-5. doi: 10.1016/j.pnpbp.2013.10.019. Epub 2013 Nov 6.
PubMed 24211840Huang W, Shen F, Zhang J, Xing B. Effect of Repetitive Transcranial Magnetic Stimulation on Cigarette Smoking in Patients with Schizophrenia. Shanghai Arch Psychiatry. 2016 Dec 25;28(6):309-317. doi: 10.11919/j.issn.1002-0829.216044.
PubMed 28638206Zvolensky MJ, Bakhshaie J, Sheffer C, Perez A, Goodwin RD. Major depressive disorder and smoking relapse among adults in the United States: a 10-year, prospective investigation. Psychiatry Res. 2015 Mar 30;226(1):73-7. doi: 10.1016/j.psychres.2014.11.064. Epub 2014 Dec 9.
PubMed 25650047Benadhira R, Thomas F, Bouaziz N, Braha S, Andrianisaina PS, Isaac C, Moulier V, Januel D. A randomized, sham-controlled study of maintenance rTMS for treatment-resistant depression (TRD). Psychiatry Res. 2017 Dec;258:226-233. doi: 10.1016/j.psychres.2017.08.029. Epub 2017 Aug 18.
PubMed 28844559
Study at a glance
From the registry record, last updated by the sponsor on 9 Jun 2021. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Influence of rTMS on Symptoms and Cognition in Patients With Psychiatric Disorders
- ClinicalTrials.gov ID
- NCT04055181
- Acronym / sponsor ID
- CASPsy2
- Conditions
- Schizophrenia, Major Depressive Disorder
- Keywords
- schizophrenia, smoking, rTMS, major depressive disorder
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 800 participants (actual)
- Lead sponsor
- Beijing HuiLongGuan HospitalUniversity, hospital or other
- Study start
- 1 Dec 2018 (actual)
- Primary completion
- 30 Dec 2019 (actual)
- Study completion
- 30 Jan 2020 (actual)
- First posted
- 13 Aug 2019 (actual)
- 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.
The investigators investigated the effects of high frequency (10Hz) repetitive transcranial magnetic stimulation (rTMS) on the symptoms and cognitive functioning in patients with psychiatric disorders
Detailed description
OBJECTIVE: This study aimed to evaluate the efficacy of high-frequency rTMS over left dorsolateral prefrontal cortex in the treatment of symptoms and cognitive functioning in 200 chronic patients with schizophrenia and 200 patients with major depressive disorders
METHODS:
- Clinical Trial:The study consists of 4 weeks of treatment.
- Assess Procedures:
2.1 Primary Outcome Variable-Psychopathology: The psychopathology of patients was assessed by three clinical trained staff, who were blind to treatment protocols, using the Positive and Negative Syndrome Scale (PANSS) or DSM-IV for depression, and repeatable battery for the assessment of neuropsychological status(RBANS).Patients are interviewed at screening, at at baseline, 4 weeks, 16 weeks.
2.2 Side effects: The side effect rating scale (UKU) was used to assess the side effect at baseline, 4 weeks, and 16 weeks.
2.3 Weight gain measurement: weight gain every week
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind (participant, investigator, outcomes assessor)
- Number of arms
- 4
| Arm | Type | Receives |
|---|---|---|
| rTMS in schizophrenia patients | Active comparator | Device: rTMS in schizophrenia patientsIn active rTMS, 10 Hz stimulations over left DLPFC occurred at a power of 110% of motor threshold (MT) for 27-s intervals with 20s inter-train interval. 20 minutes were administered each day (Monday-Friday) for 4 consecutive weeks |
| rTMS in schizophrenia Controls | Sham comparator | Device: rTMS in schizophrenia ControlsIn sham rTMS, all procedures were identical to 10Hz Schizophrenia group except they were the non-magnetized steel cylinders, instead of cylindrical magnets, that were rotated. |
| rTMS in major depressive disorders patients | Active comparator | Device: rTMS in major depressive disorders patientsIn active rTMS, 10 Hz stimulations over left DLPFC occurred at a power of 110% of MT for 27-s intervals with 20s inter-train interval. 20 minutes were administered each day (Monday-Friday) for 4 consecutive weeks |
| rTMS in major depressive disorders controls | Sham comparator | Device: rTMS in major depressive disorders controlsIn sham rTMS, all procedures were identical to 10Hz depression group except they were the non-magnetized steel cylinders, instead of cylindrical magnets, that were rotated. |
Who may qualify
- Ages
- 18 to 60 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult
Key inclusion criteria (11 listed)
- Diagnosis of schizophrenia by two senior psychiatrists
- Between 18 and 60 years and Han Chinese
- Duration of symptoms at least 12 months
- With unresolved negative symptoms (Negative scale of PANSS ≥20 and positive scale of PANSS < 24)
- Smoking
Key exclusion criteria (7 listed)
- Documented disease of physical diseases including, but not limited to seizure, epilepsy, aneurysm brain tumor, and stroke, dementia, parkinson's disease, Huntington's disease, multiple sclerosis
- Acute, unstable and/or significant and untreated medical illness (e.g., infection, unstable diabetes, uncontrolled hypertension)
- Severe headache for unknown reasons and cardiovascular diseases, intracranial metals, pacemakers, severe and those receiving electroconvulsive therapy in the past 3 months
- Past history of autoimmune and allergies, hypertension, lung disease, diabetes or cerebrovascular disease), past history of neurological illness (head trauma with loss of consciousness for more than 5 minutes) or family history of epilepsy increasing the risk of seizures
- Education level less than 5 years by subject report
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 |
|---|---|---|
| rTMS in schizophrenia Controlsall procedures were identical to "rTMS in schizophrenia patients" group except they were the non-magnetized steel cylinders, instead of cylindrical magnets, that were rotated. | Device | rTMS in schizophrenia Controls |
| rTMS in schizophrenia patients10 Hz stimulations over left DLPFC occurred at a power of 110% of MT for 27-s intervals with 20s intertrain interval. 20 minutes were administered each day (Monday-Friday) for 4 consecutive weeks | Device | rTMS in schizophrenia patients |
| rTMS in major depressive disorders controlsall procedures were identical to "rTMS in major depressive disorders patients" group except they were the non-magnetized steel cylinders, instead of cylindrical magnets, that were rotated. | Device | rTMS in major depressive disorders controls |
| rTMS in major depressive disorders patients10 Hz stimulations over left DLPFC occurred at a power of 110% of MT for 27-s intervals with 20s intertrain interval. 20 minutes were administered each day (Monday-Friday) for 4 consecutive weeks | Device | rTMS in major depressive disorders patients |
Primary outcome
symptoms assessed on PANSS
Time frame: 4 weeks
The Positive and Negative Syndrome Scale is often shorted as PANSS. It is a well-characterized and well-applied measurement instrument that measures positive and negative syndromes, their differential and general severity of illness. The items on the PANSS are defined with increasing levels from 1 to 7, the greater the value appears, the severe the level is: 1 = absent, 2 = minimal, 3 = mild, 4 = moderate, 5 = moderate-severe, 6 = severe, and 7 = extreme. The PANSS score is finalized by summation of ratings across different items, the potential range for positive and negative scales are from 7 to 49 whereas the General Psychopathology Scale is ranged between 16 to 112.
cognitive functioning assessed on RBANS
Time frame: 4 weeks
The Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) is a test for identifying and characterizing abnormal cognitive decline in the elders and examining neuropsychological disorders for younger adults. The RBANS is comprised of five domains, which are Immediate Memory, Visuospatial /Constructional, Language, Attention and Delayed Memory. Each of the five index is based on two subtests except Delayed memory index consisting of four subtests. The score from each index is scaled by the age group with the scaled score mean to be 100 and standard deviation equals to 15, then the total RBANS scored is summed up of these indexes with the same normal mean and standard deviation. The lower the RBANS score the patient receives, the grave cognitive declination appears.
major depressive disorders assessed on Diagnostic and Statistical Manual of Mental Disorders (DSM-V)
Time frame: 4 weeks
The classification of major depressive disorder has been updated in the Fifth Edition of Diagnostic and Statistical Manual of Mental Disorder (DSM-V). It is defined by the lifetime absence of mania and hypomania, as well as one or more major depressive episodes. DSM description includes the diagnostic classification, the diagnostic criteria sets and the descriptive text. The diagnostic classification represents the official list of mental disorder with diagnostic codes that used by all U.S. health care professionals. The diagnostic criteria, specifically, the criteria for major depressive disorder consists: five or more out of nine related symptoms, symptoms cause significant distress or impairment, episode has not attribute to any substance or medical condition, the absent of psychotic disorder, the absent of any manic or hypomanic episode. Last but not the least, the descriptive text provides information like diagnostic features, diagnostic measures and functional consequences.
1 secondary outcome
Side effect assessed on UKU
Time frame: 4 weeks
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 9 Jun 2021.
- Background: PubMed 29486960Kozak K, Sharif-Razi M, Morozova M, Gaudette EV, Barr MS, Daskalakis ZJ, Blumberger DM, George TP. Effects of short-term, high-frequency repetitive transcranial magnetic stimulation to bilateral dorsolateral prefrontal cortex on smoking behavior and cognition in patients with schizophrenia and non-psychiatric controls. Schizophr Res. 2018 Jul;197:441-443. doi: 10.1016/j.schres.2018.02.015. Epub 2018 Feb 24.
- Background: PubMed 24211840Prikryl R, Ustohal L, Kucerova HP, Kasparek T, Jarkovsky J, Hublova V, Vrzalova M, Ceskova E. Repetitive transcranial magnetic stimulation reduces cigarette consumption in schizophrenia patients. Prog Neuropsychopharmacol Biol Psychiatry. 2014 Mar 3;49:30-5. doi: 10.1016/j.pnpbp.2013.10.019. Epub 2013 Nov 6.
- Background: PubMed 28638206Huang W, Shen F, Zhang J, Xing B. Effect of Repetitive Transcranial Magnetic Stimulation on Cigarette Smoking in Patients with Schizophrenia. Shanghai Arch Psychiatry. 2016 Dec 25;28(6):309-317. doi: 10.11919/j.issn.1002-0829.216044.
- Background: PubMed 25650047Zvolensky MJ, Bakhshaie J, Sheffer C, Perez A, Goodwin RD. Major depressive disorder and smoking relapse among adults in the United States: a 10-year, prospective investigation. Psychiatry Res. 2015 Mar 30;226(1):73-7. doi: 10.1016/j.psychres.2014.11.064. Epub 2014 Dec 9.
- Background: PubMed 28844559Benadhira R, Thomas F, Bouaziz N, Braha S, Andrianisaina PS, Isaac C, Moulier V, Januel D. A randomized, sham-controlled study of maintenance rTMS for treatment-resistant depression (TRD). Psychiatry Res. 2017 Dec;258:226-233. doi: 10.1016/j.psychres.2017.08.029. Epub 2017 Aug 18.
- Individual participant dataSharing planned: No. Data with be available on request
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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.
Xiang Y Zhang, MD,PhD principal investigator
Institute of Psychology, Chinese Academy of Sciences
6 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing rTMS in schizophrenia patients and rTMS in major depressive disorders patients in people with Schizophrenia and Major Depressive Disorder, run by Beijing HuiLongGuan Hospital at 6 sites in China.
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 11 inclusion and 7 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 9 Jun 2021. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 6 sites in China. 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. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
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?
symptoms assessed on PANSS (time frame: 4 weeks). The study lists 3 primary outcomes in all. 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 NCT04055181, which also lists 5 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 9 Jun 2021.