History
# Registration date Revision Id
3 2018-04-06, 1397/01/17 41968
2 2018-04-03, 1397/01/14 41477
1 2017-11-01, 1396/08/10 26058
Changes made to previous revision
This is the first revision

Protocol summary

Summary
Objective: The aim of this study is to determine the effects of probiotic supplementation on clinical status and metabolic profiles in children with attention deficit hyperactivity disorder (ADHD). Study design: Parallel double-blind (both patients and researchers) clinical trial. Randomization will be done by the use of computer-generated random numbers. Inclusion criteria: children aged 8-12 years diagnosed with ADHD based on DSM-IV criteria will be included in this study. Exclusion criteria: Unwillingness to cooperate. Population and sample size: Among children with ADHD referred to Kargarnejad clinic affiliated to Kashan University of Medical Sciences, 60 patients will be selected according to inclusion and exclusion criteria. Intervention: Patients will be assigned to two groups to receive probiotic supplement (n=30) or placebo (n=30). probiotic and placebo sachets are similar in shape. Fasting blood samples will be taken at baseline and 8 weeks after the intervention. At the beginning and end of the intervention: 8 weeks. Outcomes: ADHD rating scale (primary outcome) and inflammatory factors, biomarkers of oxidative stress, depression and anxiety (secondary outcomes) will be quantified at study baseline and end-of-trial.

General information

Acronym
IRCT registration information
IRCT registration number: IRCT2017090133941N16
Registration date: 2017-11-01, 1396/08/10
Registration timing: retrospective

Last update:
Update count: 2
Registration date
2017-11-01, 1396/08/10
Registrant information
Name
Mohammadreza Sharif
Name of organization / entity
Country
Iran (Islamic Republic of)
Phone
+98 31 5546 3378
Email address
ostadmohammadi-vr@kaums.ac.ir
Recruitment status
Recruitment complete
Funding source
Vice chancellor for research, Kashan University of Medical Sciences
Expected recruitment start date
2017-06-05, 1396/03/15
Expected recruitment end date
2017-09-06, 1396/06/15
Actual recruitment start date
empty
Actual recruitment end date
empty
Trial completion date
empty
Scientific title
Clinical trial of the effect of probiotic supplementation compared with the placebo on clinical status and metabolic profiles in children with attention deficit hyperactivity disorder undergoing Ritalin treatment
Public title
Effect of probiotic supplementation in treatment of children with attention deficit hyperactivity disorder
Purpose
Treatment
Inclusion/Exclusion criteria
Inclusion criteria: Children aged between 8 and 12 years; diagnosed with attention deficit hyperactivity disorder based on DSM-IV criteria. Exclusion Criteria: Unwillingness to cooperate.
Age
From 8 years old to 12 years old
Gender
Both
Phase
N/A
Groups that have been masked
No information
Sample size
Target sample size: 60
Randomization (investigator's opinion)
Randomized
Randomization description
Blinding (investigator's opinion)
Double blinded
Blinding description
Placebo
Used
Assignment
Parallel
Other design features

Secondary Ids

empty

Ethics committees

1

Ethics committee
Name of ethics committee
Ethics committee of Kashan University of Medical Sciences
Street address
Ghotbe Ravandi Boulevard, Kashan
City
Kashan
Postal code
Approval date
2016-09-27, 1395/07/06
Ethics committee reference number
IR.KAUMS.REC.1395.59

Health conditions studied

1

Description of health condition studied
Attention Deficit Hyperactivity Disorder
ICD-10 code
F90.0
ICD-10 code description
Disturbance of activity and attention

Primary outcomes

1

Description
ADHD rating scale
Timepoint
At the beginning of the study and after 8 weeks of intervention
Method of measurement
Questionnaire

Secondary outcomes

1

Description
Hs-CRP
Timepoint
At the beginning of the study and after 8 weeks of intervention
Method of measurement
Elisa kit

2

Description
Nitric oxide
Timepoint
At the beginning of the study and after 8 weeks of intervention
Method of measurement
Spectrophotometry

3

Description
Malondialdehyde
Timepoint
At the beginning of the study and after 8 weeks of intervention
Method of measurement
Spectrophotometry

4

Description
Glutathione
Timepoint
At the beginning of the study and after 8 weeks of intervention
Method of measurement
Spectrophotometry

5

Description
Total antioxidant capacity
Timepoint
At the beginning of the study and after 8 weeks of intervention
Method of measurement
Spectrophotometry

6

Description
Hamilton Anxiety Rating scale
Timepoint
At the beginning of the study and after 8 weeks of intervention
Method of measurement
Questionnaire

7

Description
depression
Timepoint
At the beginning of the study and after 8 weeks of intervention
Method of measurement
Questionnaire

Intervention groups

1

Description
Intervention group: probiotic sachet including 2×109 Lactobacillus acidophilus, 2×109 Bifidobacterium bifidum, 2×109 Lactobacillus reuteri, 2×109 Lactobacillus fermentum, daily, for 8 weeks orally.
Category
Treatment - Drugs

2

Description
Control group: Placebo sachet (Barij essence, Kashan, Iran), daily, for 8 weeks orally.
Category
Treatment - Drugs

Recruitment centers

1

Recruitment center
Name of recruitment center
Kargarnejad Clinic
Full name of responsible person
Dr. Zahra Sepehrmanesh
Street address
Ghotbe Ravandi Boulevard, Kashan
City
Kashan

Sponsors / Funding sources

1

Sponsor
Name of organization / entity
Vice chancellor for research, Kashan University of Medical Sciences
Full name of responsible person
Gholamali Hamidi
Street address
Ghotbe Ravandi Boulevard, Kashan
City
Kashan
Grant name
Grant code / Reference number
Is the source of funding the same sponsor organization/entity?
Yes
Title of funding source
Vice chancellor for research, Kashan University of Medical Sciences
Proportion provided by this source
100
Public or private sector
empty
Domestic or foreign origin
empty
Category of foreign source of funding
empty
Country of origin
Type of organization providing the funding
empty

Person responsible for general inquiries

Contact
Name of organization / entity
Kashan University of Medical Sciences
Full name of responsible person
Zatollah Asemi
Position
Ph.D of Nutrition
Other areas of specialty/work
Street address
Ghotbe Ravandi Boulevard, Kashan
City
Kashan
Postal code
Phone
+98 31 5546 3378
Fax
Email
asemi_z@kaums.ac.ir; asemi_r@yahoo.com
Web page address

Person responsible for scientific inquiries

Contact
Name of organization / entity
Kashan University of Medical Sciences
Full name of responsible person
Zatollah Asemi
Position
Ph.D of Nutrition
Other areas of specialty/work
Street address
Ghotbe Ravandi Boulevard, Kashan
City
Kashan
Postal code
Phone
+98 31 5546 3378
Fax
Email
asemi_z@kaums.ac.ir; asemi_r@yahoo.com
Web page address

Person responsible for updating data

Contact
Name of organization / entity
Kashan University of Medical Sciences
Full name of responsible person
Zatollah Asemi
Position
Ph.D of Nutrition
Other areas of specialty/work
Street address
Ghotbe Ravandi Boulevard, Kashan
City
Kashan
Postal code
Phone
+98 31 5546 3378
Fax
Email
asemi_z@kaums.ac.ir; asemi_r@yahoo.com
Web page address

Sharing plan

Deidentified Individual Participant Data Set (IPD)
empty
Study Protocol
empty
Statistical Analysis Plan
empty
Informed Consent Form
empty
Clinical Study Report
empty
Analytic Code
empty
Data Dictionary
empty
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