The Efficacy of Probiotic Compared With Placebo Commitment Therapy for Treatment of Major Depressive Disorder

M

Min-Tze LIONG

Status and phase

Withdrawn
Phase 2

Conditions

Major Depressive Disorder

Treatments

Dietary Supplement: Probiotic
Behavioral: Acceptance and commitment therapy (ACT)
Dietary Supplement: Placebo

Study type

Interventional

Funder types

Other

Identifiers

NCT05315401
JEP-2021-606

Details and patient eligibility

About

The purpose of this study is to evaluate the efficacy of oral administration of probiotic at 9 log CFU/day as adjunctive treatment in reducing the severity of depression in female patients with major depressive disorder with treatment-as-usual compared to placebo and ACT via the use of questionnaires.

Full description

To assess the differences in quality of life among patients on probiotic, placebo and ACT via the use of questionnaire, at 4 timelines (baseline, 6 weeks after starting intervention, 12 weeks after starting intervention, and 24 weeks after starting intervention which is 12 weeks post-termination of intervention). To assess the differences in blood biological markers such as BDNF, TNF-α, IL-6, IL-1β, CRP, and VEGF among patients on probiotic, placebo and ACT via blood biochemical analyses, at 4 timelines (baseline, 6 weeks after starting intervention, 12 weeks after starting intervention, and 24 weeks after starting intervention which is 12 weeks post-termination of intervention). To assess the differences in gut microbiota profiles of patients on probiotic, placebo and ACT via the use of fecal samples, at 3 timelines (baseline, 12 weeks after starting intervention, and 24 weeks after starting intervention which is 12 weeks post-termination of intervention).

Sex

Female

Ages

18 to 35 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Female patient diagnosed with major depressive disorder (confirmed by DSM-5 for depression). There is a strong gender predisposition in depression and anxiety disorders, in which females are more prone to have depressive disorders and anxiety disorders than males. Hence, we will only recruit female patients in this study to control for confounding bias.
  • Those with score of more than 8 based on Hamilton Depression Rating Scale (HAMD), indicative of mild to moderate severity of depressive symptoms.
  • Age 18 to 35 years old

Exclusion criteria

  • Pregnant women
  • Those who have current and lifetime history of engaging in any psychotherapy
  • Those who consumed alcohol and illicit drugs (Heavy or mild)
  • Those who has current and lifetime history of other psychiatric illnesses, such as other depressive disorders (persistent depressive disorder, premenstrual dysphoric disorder), anxiety disorders (panic disorder, agoraphobia, generalized anxiety disorder, specific anxiety disorder, and social anxiety disorder), psychotic disorders (schizophrenia, schizophreniform disorder, schizoaffective disorders, brief psychotic disorder, and delusional disorder), bipolar mood disorder, obsessive compulsive disorder, posttraumatic stress disorder, and attention deficit hyperactive disorder, and autism spectrum disorder
  • Those who are on medications that can induce psychiatric symptoms, such as cardiovascular agents (clonidine, guanethidine, methyldopa, reserpine, beta blockers), dermatologic agents (isotretinoin), anticonvulsants (levetiracetam), antimigraine medications (triptans), hormonal agents (corticosteroids, oral contraceptives, gonadotropin-releasing hormone agonists, tamoxifen), varenicline, immunological agents (interferons), and levodopa
  • Severe gastritis with regular intake omeprazole medication (proton pump inhibitors)
  • Women on regular steroid treatment
  • Those on long term medication for any illnesses (≥ 6 months)
  • Those who are currently on antibiotics or with history of taking antibiotic for the past 2 weeks.
  • Those with abnormal full blood count, renal profile, liver function test, fasting blood glucose, fasting lipid profile and ESR (blood collection for all these blood investigations will be carried out in the pre-intervention assessment).
  • Patient who has suicidal tendency

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Triple Blind

0 participants in 3 patient groups, including a placebo group

Probiotic 9 log CFU/day
Experimental group
Description:
The intervention consists of daily administration of one sachet/day of probiotic for 12 weeks, where each sachet contains 9 log CFU of probiotic.
Treatment:
Dietary Supplement: Probiotic
Placebo
Placebo Comparator group
Description:
placebo contains primarily carrier and without probiotic. The placebo are identical in taste and appearance and appear as a light-yellow powder.
Treatment:
Dietary Supplement: Placebo
Acceptance and commitment therapy (ACT)
Experimental group
Description:
Patients will be provided with ACT for 12 weeks with treatment as usual. The ACT intervention will be conducted in a group of 10 for each session. The ACT modules covered over 12 sessions, 1 hour in each session. The sessions will be held every week
Treatment:
Behavioral: Acceptance and commitment therapy (ACT)

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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