Functional Constipation
Conditions
Keywords
Lactobacillus, Bifidobacterium
Brief summary
Introduction: Functional constipation is a symptom-based gastrointestinal disorder without an organic origin (eg, bowel obstruction). It has a prevalence of 14% in adults. Objective: The objective of trial is to evaluate the efficacy and safety of two different probiotic blends in adults subjects with functional constipation. Methods: A double-blind, randomized, placebo-controlled study will be conducted for up to two years to evaluate the efficacy of two different probiotic mixtures: (Mixture 1) Lactobacillus acidophilus, Bifidobacterium bifidum and Lactobacillus rhamnosus (3 billion CFU); (Mixture 2) Lactobacillus acidophilus, Bifidobacterium bifidum, Lactobacillus rhamnosus, Lactobacillus paracasei, Bifidobacterium longum, Bifidobacterium lactis, Lactobacillus defensis, Bifidobacterium animallis (8 billion CFU).
Detailed description
The study involve 150 healthy volunteers with functional constipation.The sample size was based on literature reviews of the probiotics' effect comparing the differences between means. After confirmation of eligibility and obtaining written informed consent, the patients will be randomized (stratification for blocks) to recivied the interventions. The patients and the phisician will be blinded to the treatment received. The eligible patients will be allocated (1:1:1) to treatment with either the probiotics supplements or placebo. Subjects will be instructed to ingest one sachet before breakfast, by mixing the powder in water and drinking it. The sachets will be stored at room temperature. Data handling and record keeping Case report forms will be used to record data for all participants, and will be completed by the research doctor, who will also enter the data into an electronic database. Study schedule and location After inclusion, all further treatments will be managed at the primary care center where the subject was recruited. A research doctor and a research pharmacist will be responsible for all contacts with patients. Local of study development Recruitment of patients to this study will be made by collaboration with the Gastroenterolgy Clinic at Avenue Dr Armando Sales de Oliveira 371, Trujilo, Sorocaba, State of São Paulo, Brazil from March 2020 to April 2020. Sorocaba is a Brazilian municipality in the interior of the state of São Paulo. It is the fourth most populous in the interior of São Paulo in the Southeast of the country, and the most populous in the southern region of São Paulo, with a population of 671,186 inhabitants, estimated by IBGE for July 1, 2018. For comparison of three groups, an independent t-test will be applied for continuous variables and Mann-Whitney for non-continuous variables. Analysis of adverse events (if any) will be performed using Chi-Square test and Fisher's exact test following assumptions of randomness, independence and size. Significance differences will be set at p\<0.05.
Interventions
DIETARY_SUPPLEMENTPlacebo
Fibers with vitamins and minerals will be administered for 30 days once a day in sachets
DIETARY_SUPPLEMENT3 Billion UFC strains of probiotics
Fibers with vitamins and minerals will be administered for 30 days once a day in sachets with 3 billion CFU strains of probiotics
DIETARY_SUPPLEMENT8 Billion UFC strains of probiotics
Fibers with vitamins and minerals will be administered for 30 days once a day in sachets with 8 billion CFU strains of probiotics
Sponsors
Luciane Cruz Lopes
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Caregiver, Outcomes Assessor)
Masking description
The phisician (care provider), the research subjects (participants) and outcome assessor (had access to the results) will be blinded. All groups received sachets with the same characteristics (taste and packaging) different only in the numbering of the manufacturing batches. The phisician separated each volunteer in according to lot number corresponding to the randomisation.
Intervention model description
Interventions: in particular, subjects were divided into 3 groups: i) 50 subjects in the group A will receive placebo, ii) 50 subjetcs in the group B will receive mixed L. acidophilus LA 02 ID 1688, B. bifidum BB 01 ID 1722 and L. rhamnosus LR 04 ID 1132 (1 x 10⁹ colony-forming units/d of each strain) and 50 subjects em the group C will receive L. acidophilus LA 02 ID 1688, B. bifidum BB 01 ID 1722, L. rhamnosus LR 04 ID 1132, L. paracasei LPC 00 ID 1076, B. longum BL 03 ID 1152, B. lactis BS 01 ID 1195, L. casei LC 03 ID 1872, B. animalis LMG 10508 (1 x 10⁹ colony-forming units/d of each strain) for 30 days. At the beginning of the interventional study, the healthy status of volunteers will be evaluated by a complete, laboratory and by the clinical evaluation by the doctor using as reference ROMA IV for intestinal constipation. Exclusion criteria will be items of gastrointestinal diseases, pregnant and antibiotic intake.
Eligibility
Sex/Gender
ALL
Age
20 Years to 80 Years
Healthy volunteers
Yes
Inclusion criteria
-Clinical diagnosis of functional constipation according to Rome IV. Granting of written informed consent.
Exclusion criteria
* Presence of gastrointestinal diseases * Ingestion of antibiotics or dietary supplements containing probiotics or prebiotics in the last 15 days * Pregnancy.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Changed in the number of Bowel movements. Changed for more than 3 per week was considered a clinical response. | 30 days | Changed number of bowel movements evaluated weekly |
| Change in the Bristol stool form scale at 4 weeks after Probiotics. Recovery to types 3-4 was considered a clinical response. | 30 days | The Bristol scale ranges from 1-7, with 1-2 being constipated, 3-5 normal and 6-7 diarrhea. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Subject withdrawal | 30 days | The volunteers can withdraw from the study at any time by their own request, or can be withdrawn at any time at the discretion of the investigator for safety. Volunteers will also be withdrawn from the study in the event of treatment interruption for any reason, whether due to forgetfulness or to experiencing undue intestinal discomfort |
| Adverse events | 30 days | Adverse events are undesirable signs or symptoms that occur during the study and whose cause may or may not be causal related to the treatment. All adverse events considered possibly, probably or related to the test product will be noted down on the patient's form. |
| Serious adverse events | 30 days | Serious adverse events are defined as events that are fatal, life-threatening, disabling or result in hospitalization or prolonged stay, or result in malformation, whether related to the test product or otherwise. According to previous studies, probiotics are safe and any serious adverse event that could possibly, probably or be related to the test products will be considered unexpected. All unexpected serious adverse events will be reported to the physician. Any serious adverse event that may be related to the test product will immediately lead to discontinuation of the test product |
Countries
Brazil
Outcome results
None listed