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Evaluation effect of metformin on palatal wound

Evaluation of the local effect of metformin on palatal wound healing after free gingival graft harvest; a randomized clinical trial

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20260504069262N1
Enrollment
30
Registered
2026-05-12
Start date
2026-05-22
Completion date
Unknown
Last updated
2026-06-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Palatal wound after free gingival graft harvest. Encounter for surgical aftercare following surgery on the teeth or oral cavity

Interventions

Intervention 1: Intervention group: After the surgery, one millilitr of Metformin hydrogel with neutral PH ( Carbapol, Hydroxypropyl Methylcellulose, Methylparaben, Propylparaben, Metformin 50mg/ml) a

Sponsors

Tehran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: All patients aged 18 to 70 years who require free gingival graft treatment around teeth or implants Systemically healthy Non-smokers( cigarettes, e-cigarettes, hookah or other forms of tobacco)

Exclusion criteria

Exclusion criteria: Active gag reflex Presence of periodontal disease, lack of sensation, tooth mobility and occlusal trauma Absence of maxillary canine to first molar teeth Excessive forces including mechanical forces from orthodontics and traumatic occlusion Systemic diseases that are contraindications for periodontal surgeries or interfere with tissue healing like diabetes, treatment with high-dose steroids, radiotherapy or immunosuppressive therapies, pregnancy, lactation, digestive problems, coagulation disorders (including liver diseases and bleeding disorders), history of using medications that interfere with healing or cause gingival enlargement Patients who do not attend follow-up sessions after surgery

Design outcomes

Primary

MeasureTime frame
Residual wound area. Timepoint: 0,7,14,21,28 days. Method of measurement: photography and measurement with Image J software.;Evaluation of epithelialization. Timepoint: 7,14,21,28 days after surgery. Method of measurement: oxygen bubbles observed after application of Hydrogen peroxide to the graft donor area (bubbling indicates incomplete wound healing).;Evaluation of tissue healing. Timepoint: 7,14,21,28 days. Method of measurement: Laundry`s healing index( palpation and direct examination by a specialist).;Color match. Timepoint: 7,14,21,28 days. Method of measurement: photography of wound and comparing images with Photoshop software.

Secondary

MeasureTime frame
Pain Assessment. Timepoint: 1,7 days. Method of measurement: Visual Analogue Scale.;Bleeding Assessment. Timepoint: 1?7 days. Method of measurement: Questionnaire(presence or absence of bleeding).;Effect on Quality of life. Timepoint: 7,14,21,28 days. Method of measurement: Oral Health Impact Profile-14 questionnaire.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactElaheh Shahraki

Tehran University of Medical Sciences

shahrakielahe0@gmail.com+98 21 8835 1170

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Jun 11, 2026