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The Study of Minocycline for Negative and Cognitive Symptoms in Schizophrenia

A Double-Blind,Randomized Study of Minocycline for the Treatment of Negative and Cognitive Symptoms in Schizophrenia

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01493622
Enrollment
78
Registered
2011-12-16
Start date
2010-06-30
Completion date
2011-12-31
Last updated
2011-12-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Schizophrenia

Keywords

Schizophrenia minocycline cognition

Brief summary

The purpose of this study is to determine whether minocycline are effective in the treatment of negative and cognitive symptoms in schizophrenia.

Detailed description

Immune-related disorders have been hypothesized as etiological factors in schizophrenia.Minocycline is a second-generation tetracycline that exerts anti-inflammatory and antimicrobial effects while having a distinct neuroprotective profile.This study was performed as a double-blind, placebocontrolled,randomized evaluation of Second generation antipsychotics(SGA) and minocycline versus SGA and placebo.

Interventions

DRUGminocycline

variable dose SGA and minocycline,100mg per capsule po(take orally) bid,16 weeks;

DRUGplacebo

variable dose SGA and 100mg per capsule po(take orally) bid,16 weeks;

Sponsors

Central South University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 40 Years
Healthy volunteers
Yes

Inclusion criteria

* male and female,were aged 18-40 years * were currently diagnosed with DSM-IV schizophrenia * were able to comprehend the cognition test * patients or guardian signed informed consent,were able to comprehend the procedure and aims of the study,agreed to join the study * patient's current antipsychotic medication regimen must be stable * must be in a stable living arrangement

Exclusion criteria

* had ever been hypersensitivity to minocycline or tetracycline; * had acute,unstable,significant,or untreated medical illness besides schizophrenia * were pregnant or breast-feeding; * had a DSM-IV diagnosis of substance abuse or dependency; * had a tendency to suicide or Violence,self-harm; * had taken immunosuppressive agents in the preceding 3 months before study entry; * had influenza or fever in the preceding 2 weeks before study entry; * had a DSM-IV diagnosis of emotional psychosis,Mental retardation,etc. * has suicidal attempts or ideation or violent behavior within the last 12 months * patient has mental retardation or severe organic brain syndromes * treatment with Electroconvulsive Therapy (ECT) within 6 months prior to screening

Design outcomes

Primary

MeasureTime frameDescription
Mean Change from Baseline in the Composite Score From the Cognition Assessment Battery and SANS Total Scores After 16 Weeks of Treatment16 weeksThe Cognitive Assessment Battery included Making Test (TMT) ,Symbol Coding,Hopkins Verbal Learning Test-Revised ,Mazes,Brief Visuospatial Memory Test-Revised ,Continuous Performance Test-Identical Pairs,Grooved Pegboard Test,Color Trail Test,Stroop Task,Verbal Fluency,Paced Auditory Serial Addition Test and Wisconsin Card Sorting Test SANS=Scale for the Assessment of Negative Symptoms

Secondary

MeasureTime frameDescription
Mean Change from Baseline in the PANSS and PSP Total Scores after 16 weeks Treatment16 weeks
Cytokine Measure16 weeksCytokine Measure:IL-1β,IL-6,TNF-α,Nitric Oxide (NO)、S100B
metabolic index16 weeksweight,height,insulin and waist circumference,

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 21, 2026