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Adjunctive Withania Somnifera (Ashwagandha) for Persistent Symptoms in People With Schizophrenia

C

Chengappa, K.N. Roy, MD

Status and phase

Terminated
Phase 3
Phase 2

Conditions

Schizophrenia

Treatments

Drug: WSE
Drug: Placebo Oral Tablet

Study type

Interventional

Funder types

Other

Identifiers

NCT03437668
PRO18030276

Details and patient eligibility

About

To determine whether a standardized extract of Withania somnifera will reduce psychopathology scores (PANSS total score) in persons with schizophrenia. A secondary aim is to determine whether WSE reduces measures of positive and negative symptoms (PANSS subscales) and stress scores on the Perceived Stress Scale (PSS).

Enrollment

47 patients

Sex

All

Ages

18 to 64 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Diagnostic and Statistical Manual (DSM) 5 diagnosis of schizophrenia or schizoaffective disorder
  • Ability to provide informed written consent
  • PANSS total score ≥ 70 or a CGI Severity Scored ≥ 4; and at least 2 positive symptom subscale items (i.e., delusions, conceptual disorganization, hallucinatory behavior, excitement, grandiosity, suspiciousness/persecution, hostility and unusual thought content) scoring ≥ 4, or one of these items scoring ≥ 5, on a scale ranging from 1 = absent to 7 = extreme.
  • Evidence of a positive symptom exacerbation during the year prior to study entry.
  • For women of child bearing age, a negative serum pregnancy test at screening

Exclusion criteria

  • Testing positive for illicit substances (positivity to marijuana or opioids will be assessed on a case by case basis due to the long elimination half life in the urine of marijuana and the use of opioids for various pain disorders, caffeine and nicotine are excepted)
  • Receiving pharmacological treatment for addictions (naltrexone, suboxone, acamprosate, others) will be reviewed on a case by case basis
  • Seriously unstable medical illnesses
  • Pregnant or breast feeding women
  • Known allergy or history of serious adverse event with WSE
  • Subjects who may require imminent hospitalization (examples: suicidal or aggressive behavior)
  • Currently receiving antibiotics, anti-viral, or anti-parasitic medications
  • Currently receiving immunosuppressive medications (e.g. oral scheduled corticosteroids, chemotherapy or transplantation or HIV/AIDS associated drugs).

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

47 participants in 2 patient groups, including a placebo group

Withania Somnifera Extract (WSE)
Experimental group
Description:
WSE 500 mg bid for 12 weeks
Treatment:
Drug: WSE
Placebo tablets
Placebo Comparator group
Description:
Placebo oral tablet bid for 12 weeks
Treatment:
Drug: Placebo Oral Tablet

Trial documents
1

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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