View older revisions Content changed at 2025-04-10, 1404/01/21

Protocol summary

Study aim
Determining the effect of probiotics for the treatment of essential hypertension in children and adolescents
Design
This is a phase 3 randomized controlled double-blind clinical trial with parallel-group which will be conducted on 66 patients. patients were randomly assigned to groups using randomizer computer software with 4 and 6 block sizes and1: 1 allocation.
Settings and conduct
Children between 7 and 18 years of age with high blood pressure or grade I and II basic HTN referred to the Nephrology Clinic of 17 Shahrivar Children's Center of Rasht, Children's Medical Center of Tehran University, Ali Asghar Children's Center , Mofid Children's Center of Shahid Beheshti University, Namazi Hospital, Semnan Hospital, Zahedan Children's Hospital, Mashhad Children's Hospital will be investigated. In the intervention group, patients received probiotic capsule 2 times a day.Participants in the control group received placebo. Double blinding is done for the participants and the investigator.
Participants/Inclusion and exclusion criteria
Patients with high blood pressure of the 1st and 2nd degree in the age range of 7 to 18 years will be included in the study. Exclusion criteria were known organ damage, active infection, use of probiotics in the 4 months before the study, and previous history of sensitivity to probiotics.
Intervention groups
Intervention group: The contents of a 500 mg probiotic capsule (Milad Pharmed Gostar company under the brand name Prokid) containing 11 strains are dissolved in 10 ml of 5% dextrose water and administered as 0.5 ml/kg twice a day. Its amount will be 20 ml with or without food for 16 weeks. Control group: Patients in the placebo group will receive 2 bacteria-free capsules filled with maltodextrin daily for four months.
Main outcome variables
The primary outcome is a reduction in systolic blood pressure from baseline to 3 mmHg after 16 weeks of treatment

General information

Reason for update
Due to the request from The Vice-Chancellor of Research
Acronym
IRCT registration information
IRCT registration number: IRCT20200608047689N3
Registration date: 2024-07-14, 1403/04/24
Registration timing: prospective

Last update: 2025-04-10, 1404/01/21
Update count: 3
Registration date
2024-07-14, 1403/04/24
Registrant information
Name
Elham Bidabadi
Name of organization / entity
Guilan University of Medical Sciences
Country
Iran (Islamic Republic of)
Phone
+98 13 3372 9104
Email address
bidabadi@mail.com
Recruitment status
recruiting
Funding source
Expected recruitment start date
2024-07-15, 1403/04/25
Expected recruitment end date
2025-07-16, 1404/04/25
Actual recruitment start date
empty
Actual recruitment end date
empty
Trial completion date
empty
Scientific title
Assessing the effect of Adjunctive probiotics therapy for the treatment of primary hypertension in children and adolescents: A randomized, double- blind, placebo- controlled trial
Public title
Assessing the effect of Adjunctive probiotics therapy for the treatment of primary hypertension in children and adolescents: A randomized, double- blind, placebo- controlled trial
Purpose
Treatment
Inclusion/Exclusion criteria
Inclusion criteria:
Essential high blood pressure I and II Age range between 7-18 years
Exclusion criteria:
Active infection Known organ damage Use of probiotics in the 3 months prior to the study Previous history of sensitivity to probiotics
Age
From 7 years old to 18 years old
Gender
Both
Phase
3
Groups that have been masked
  • Participant
  • Investigator
Sample size
Target sample size: 66
Randomization (investigator's opinion)
Randomized
Randomization description
Sampling was performed by the blocking randomization method. Patients who have inclusion criteria will be assessed using randomizer computer software and randomly assigned with 4 and 6 block sizes with 1: 1 allocation to the two groups of intervention and control.
Blinding (investigator's opinion)
Double blinded
Blinding description
Researcher and participants are blind in this study (double blind). The Researcher does not know which participant is in the intervention or control group. The participant does not know whether he/ she is in the intervention or control group. Both groups will receieve capsuls with the same shape and colour with different contents. Intervention and control capsuls will be noted as A and B by a pharmacist unaware about the research and will be given to the researcher.
Placebo
Used
Assignment
Parallel
Other design features

Secondary Ids

empty

Ethics committees

1

Ethics committee
Name of ethics committee
Ethics committee of the vice chancellor of Guilan University of Medical Sciences
Street address
Siadati street
City
Rasht
Province
Guilan
Postal code
4144444444
Approval date
2024-06-26, 1403/04/06
Ethics committee reference number
IR.GUMS.REC.1403.152

Health conditions studied

1

Description of health condition studied
Essential (primary) hypertension
ICD-10 code
I10
ICD-10 code description
Essential (primary) hypertension

Primary outcomes

1

Description
Reduction of systolic blood pressure from the baseline value by 3 mm Hg
Timepoint
After 16 weeks of treatment
Method of measurement
Blood pressure measurement

Secondary outcomes

empty

Intervention groups

1

Description
Intervention group: The contents of a 500 mg probiotic capsule (Milad Pharmed Gostar company under the brand name Prokid) containing 11 strains are dissolved in 10 ml of 5% dextrose water and administered as 0.5 ml/kg twice a day. Its amount will be 20 ml with or without food for 16 weeks.
Category
Treatment - Other

2

Description
Control group: Patients in the placebo group will receive 2 bacteria-free capsules filled with maltodextrin daily for four months.
Category
Treatment - Other

Recruitment centers

1

Recruitment center
Name of recruitment center
17 Shahrivar Children's Hospital
Full name of responsible person
Elham Bidabadi
Street address
Siadati Street
City
Rasht
Province
Guilan
Postal code
4144654679
Phone
+98 13 3336 9061
Email
bidabadi@mail.com

Sponsors / Funding sources

1

Sponsor
Name of organization / entity
Rasht University of Medical Sciences
Full name of responsible person
Ramyar Farzan
Street address
Siadati
City
Rasht
Province
Guilan
Postal code
4144444444
Phone
+98 13 3333 5820
Email
RESEARCH@GUMS.AC.IR
Grant name
Grant code / Reference number
Is the source of funding the same sponsor organization/entity?
Yes
Title of funding source
Rasht University of Medical Sciences
Proportion provided by this source
40
Public or private sector
Public
Domestic or foreign origin
Domestic
Category of foreign source of funding
empty
Country of origin
Type of organization providing the funding
Academic

Person responsible for general inquiries

Contact
Name of organization / entity
Rasht University of Medical Sciences
Full name of responsible person
Elham Bidabadi
Position
Professor
Latest degree
Subspecialist
Other areas of specialty/work
Neurology
Street address
No. 15- 135 ave.- Golsar
City
Rasht
Province
Guilan
Postal code
4144444444
Phone
+98 13 3372 9104
Fax
Email
bidabadi@mail.com

Person responsible for scientific inquiries

Contact
Name of organization / entity
Rasht University of Medical Sciences
Full name of responsible person
Elham Bidabadi
Position
Professor
Latest degree
Subspecialist
Other areas of specialty/work
Neurology
Street address
No. 15- 135 ave.- Golsar
City
Rasht
Province
Guilan
Postal code
4144444444
Phone
+98 13 3372 9104
Fax
Email
bidabadi@mail.com

Person responsible for updating data

Contact
Name of organization / entity
Rasht University of Medical Sciences
Full name of responsible person
Elham Bidabadi
Position
Professor
Latest degree
Subspecialist
Other areas of specialty/work
Neurology
Street address
No. 15- 135 ave.- Golsar
City
Rasht
Province
Guilan
Postal code
4144444444
Phone
+98 13 3372 9104
Fax
Email
bidabadi@mail.com

Sharing plan

Deidentified Individual Participant Data Set (IPD)
No - There is not a plan to make this available
Justification/reason for indecision/not sharing IPD
Regarding the ethical issues
Study Protocol
No - There is not a plan to make this available
Statistical Analysis Plan
No - There is not a plan to make this available
Informed Consent Form
No - There is not a plan to make this available
Clinical Study Report
No - There is not a plan to make this available
Analytic Code
No - There is not a plan to make this available
Data Dictionary
No - There is not a plan to make this available
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