An interventional study of Fast mimicking diet group and Normal diet group in Periodontitis, sponsored by Akdeniz University. Completed at 1 site in Turkey. Open to participants aged 18 Years to 70 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2024-06-12.
Sponsored by Akdeniz University · Not applicable, Interventional, and Treatment
The aim of the present study is to test if a fasting mimicking diet (FMD) can influence the systemic and periodontal response following non-surgical periodontal therapy. The null hypothesis is that a FMD does not modify the local and systemic inflammatory post-treatment response.
The test group will have periodontal treatment followed by fasting mimicking diet while the control group will have the same periodontal treatment and continue with their normal diet.
Full-mouth clinical periodontal measurements including probing depth (PD), clinical attachment level (CAL), bleeding on probing (BOP), gingival index (GI) and plaque index (PI) will be recorded.Blood and GCF samples will be taken.Enzyme-linked immunosorbent assay (ELISA) will be used to determine biochemical parameters in the biological samples.
This is a multi-center randomized controlled trial with internal pilot.The study protocol was approved by the Ethics Committee for the Use of Human Subjects in Research of Hatay Mustafa Kemal University. Participants will be selected from the patients who consult to the Periodontology Clinic of Akdeniz University Faculty of Dentistry. (Antalya, TURKEY).Participants will be screened by clinical staff/ investigator. We expect 20 eligible participants available per year.
The FMD program is a plant-based diet program and consists of a 5-days regimen. Test group will be assigned to follow one cycle of a fasting mimicking diet (FMD) the same day after receiving the full-mouth non-surgical periodontal treatment (NSPT). In contrast, control group after receiving the NSPT will continue with their current diet.
Patients in the test group will need 5 visits and patients in the control group will also need 5 visits.
At the screening visit, consent will be sought by the trained applicant which will be recorded through a written participant consent form detailing the complete trial procedure and an agreement checklist for each data collection method.
Visit 1 (Day -7/-10): Informed consent will be given and signed, blood and GCF samples will be collected, medical history will be checked and oral examination will be carried out including recording number of teeth and at 6 sites per tooth probing depth,recession (mm) and bleeding after probing.A very superficial prophylaxis , motivation and oral hygiene instructions will be provided.
On day 0 Morning (Visit 2) : Patients will undergo full-mouth subgingival instrumentation procedures and more detailed hygiene instruction will be reinforced. In the afternoon patients of the test group will start the FMD for 5 consecutive days.
On day 1(Visit 3) :Blood and GCF samples will be taken. Medical history, adverse events and concomitant medications will be checked.
On day 7 (Visit 4 ): Blood and GCF samples will be taken. Medical history, adverse events and concomitant medications will be checked.
On day 90±5 (visit 5): Full mouth periodontal charting measurements will be recorded. Blood and GCF sample swill be taken. Periodontal re-evaluation will be done.
The samples will be collected during the study visit from the patient by investigator, who will participate in this study. GCF Periopaper Strips will be used in the gingival crevice of the teeth. They will then be immediately measured on a calibrated Periotron 8000 electronic transducer. Once measured gcf strips for that visit will all be stored in a single 2 ml tube and pooled for further analysis.
4 ml of venous blood will be collected from the participant's arm into hemogard sterile vacutainers. The samples for serum will be centrifuged for 5 mins at 40,000 rpm then immediately divided into 1 ml aliquots and stored in a freezer at - 80°C, until required for analysis. After their initial storage, the sample will be transferred to the Microbiome and Salivary laboratories of Guy's Hospital.
Blood samples will be tested for cytokines, acute phase proteins and inflammtory markers. Gingival Crevicular Fluid will be analyzed for inflammatory mediators, antibodies, peptides and cytokines using techniques such as ELISA.
Circulating levels of IGF-1, fasting blood glucose level will be assessed to monitor the compliance of FMD.
1,635 studies on the registry are indexed under Periodontitis; 327 are open to participants now.
This study's enrollment of 20 is below the median of 45 across 1,191 interventional studies indexed under Periodontitis.
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Exclusion Criteria:
The patients in this group will be assigned to follow one cycle of a fasting mimicking diet (FMD) the same day after receiving the full-mouth non-surgical periodontal treatment.
Dietary Supplement: Fast mimicking diet group
The patients in this group will be assigned to normal diet after receiving the full-mouth non-surgical periodontal treatment.
Procedure: Normal diet group
Test group will be assigned to follow one cycle of a fasting mimicking diet the same day after receiving the full mouth non surgical periodontal treatment. The FMD program is a plant-based diet program designed to attain fasting-like effects while providing both macro- and micronutrients to minimize the burden of fasting and adverse effects. The FMD consist 5 days regimen that provides approximately 1.100 kilocalories for the first day ; approximately 750 kilocalories per day for the second to the fifth day. FMD group will need 5 visits.
Normal diet (control) group after receiving the non surgical periodontal treatment (with periodontal Gracey curettes and ultrasonic scaler) will continue with their current diet.Normal diet group will need 5 visits.
Serum CRP level
Crp level will be evaluated biochemically
Time frame: post treatment 90th day
Immunological crevicular fluid analysis
IL-6, L-1α, IL-1β, IFN-y, VEGF, FGF-β, OPG, MMP-3 and MMP-8 values will be evaluated biochemically
Time frame: baseline post treatment 1st, 7th and 90th days
Clinical Attachment Level
The probing depth and the distance from the gingival margin to the Cement-Enamel Junction in millimeters.
Time frame: baseline and post treatment 90 days
Probing Pocket Depth
The distance from the gingival margin to the apical portion of the gingival sulcus in millimeters. Probing depths in healthy gingival sulcus normally range from 1 to 3 mm.
Time frame: baseline and post treatment 90 days
Bleeding on Probe
To accurately determine the patient's periodontal health, the dental professional will record the sulcular depths of the gingiva. Any bleeding which occurs upon probing will also be recorded. A periodontal probe is used for this test.The number of sites which bleed are used to calculate the gingival bleeding score.
Time frame: baseline and post treatment 90 days
Gingival Index
The bleeding is assessed by probing gently along the wall of soft tissue of the gingival sulcus.The GI of the individual can be obtained by adding the values of each tooth and dividing by the number of teeth examined.The probed values are scored between 0-3. Score 0 = Normal gingiva. Score 1 = Mild inflammation - slight change in color, slight edema. No bleeding on probing. Score 2 = Moderate inflammation - redness, edema, glazing. Bleeding on probing. Score 3 = Severe inflammation - marked redness and edema, ulceration. Tendency toward spontaneous bleeding. The GI may be used for the assessment of prevalence and severity of gingivitis in populations, groups and individuals.A score from 0.1-1.0 = mild inflammation; 1.1-2.0 = moderate inflammation from, and 2.1-3.0 signifies severe inflammation.
Time frame: baseline and post treatment 90 days
Plaque Index
The measurement of the state of oral hygiene by Silness-Löe plaque index is based on recording both soft debris and mineralized deposits on the following teeth: Missing teeth are not substituted. Each of the four surfaces of the teeth (buccal, lingual, mesial and distal) is given a score from 0-3. 0= No plaque 1= A film of plaque adhering to the free gingival margin and adjacent area of the tooth. The plaque may be seen in situ only after application of disclosing solution or by using the probe on the tooth surface. 2 =Moderate accumulation of soft deposits within the gingival pocket, or the tooth and gingival margin which can be seen with the naked eye. 3 =Abundance of soft matter within the gingival pocket and/or on the tooth and gingival margin.
Time frame: baseline and post treatment 90 days
Patients reported quality of life measurements
Patients' outcomes will be assessed by Oral Health Impact Profile-14 (OHIP-14) questionnaire which is used to evaluate the impact oral health (including functional limitations, pain, physiological discomfort, physical disability, social disability, sense of taste, diet unsatisfactory and handicap) on person's life. The Oral Health Impact Profile-14 (OHIP-14) was designed to assess patients' perception of the impact of oral disorders on their quality of life (QoL).
Time frame: baseline and post treatment 90 days
Serum CRP levels
Crp level will be evaluated biochemically
Time frame: post treatment 1st, 7th and 90th day
Plan to share: No
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Akdeniz University