NCT07662447

Brief Summary

Gingival recession is a common mucogingival deformity that may result in root hypersensitivity, esthetic concern, plaque accumulation, and difficulty in oral hygiene maintenance. Modified coronally advanced flap procedures are widely used for Cairo RT1 gingival recession defects. Platelet-rich fibrin has been used as an autologous biologic adjunct, while hyaluronic acid has shown potential benefits in wound hydration, inflammation modulation, and soft tissue healing. Aim: To evaluate the clinical effectiveness of multilayered platelet-rich fibrin with cross-linked hyaluronic acid compared with platelet-rich fibrin alone in the treatment of Cairo RT1 gingival recession defects using modified coronally advanced flap without vertical releasing incisions.

Trial Health

75
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
30

participants targeted

Target at below P25 for not_applicable

Timeline
2mo left

Started Jul 2025

Geographic Reach
1 country

1 active site

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress91%
Jul 2025Sep 2026

Study Start

First participant enrolled

July 1, 2025

Completed
12 months until next milestone

First Submitted

Initial submission to the registry

June 16, 2026

Completed
7 days until next milestone

First Posted

Study publicly available on registry

June 23, 2026

Completed
8 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2026

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 10, 2026

Expected
Last Updated

June 23, 2026

Status Verified

June 1, 2026

Enrollment Period

1 year

First QC Date

June 16, 2026

Last Update Submit

June 19, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Percentage of root coverage

    baseline, 3 months, 6 months

Secondary Outcomes (1)

  • postoperative pain VAS score 1-10

    baseline, 3 days, 3 weeks

Study Arms (2)

root coverage with multilayered PRF

ACTIVE COMPARATOR
Procedure: root coverage with multilayered PRF

root coverage with multilayered PRF and hyaluronic acid

EXPERIMENTAL
Procedure: root coverage with multilayered PRF and hyaluronic acid

Interventions

root coverage with multilayered PRF

root coverage with multilayered PRF

root coverage with multilayered PRF and hyaluronic acid application

root coverage with multilayered PRF and hyaluronic acid

Eligibility Criteria

Age20 Years - 70 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Systemically healthy patients aged 18-50 years presenting with Cairo RT1 gingival recession defects were included in the study.
  • Patients were selected if the recession defect was present on a vital tooth with an identifiable cementoenamel junction and no interproximal clinical attachment loss.
  • The selected tooth was required to be free from caries, cervical restorations, non-carious cervical lesions interfering with measurement, pulpal pathology, and pathological mobility. Patients with acceptable oral hygiene after initial periodontal therapy, preferably with Plaque Index ≤1, were included.
  • Patients willing to participate in the study, sign informed consent, and report for all follow-up visits were included.

You may not qualify if:

  • Patients with systemic conditions that could affect periodontal wound healing, such as uncontrolled diabetes mellitus, immunosuppressive disorders, bleeding disorders, connective tissue disorders, or any serious systemic illness, were not included. Pregnant or lactating women were excluded from the study.
  • Patients taking medications known to influence gingival healing, including corticosteroids, immunosuppressants, bisphosphonates, anticoagulants, or long-term anti-inflammatory drugs, were excluded. Patients with poor oral hygiene, untreated gingival inflammation, active periodontal disease, or recession defects classified as Cairo RT2 or RT3 were not included.
  • Teeth with cervical caries, cervical restorations, deep abrasion, erosion, non-carious cervical lesions interfering with CEJ identification, endodontic pathology, periapical lesions, non-vital pulp, traumatic occlusion that could not be corrected before surgery, or previous periodontal plastic surgery at the selected site within the past 12 months were excluded.
  • Patients undergoing orthodontic treatment or those who had recently completed orthodontic treatment were also excluded if tooth movement could affect gingival margin stability. Patients unwilling to provide consent or unable to attend the follow-up schedule were not included.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Gulf Medical University

Ajman, Ajman Emirate, 00000, United Arab Emirates

Location

MeSH Terms

Conditions

Gingival Recession

Interventions

Hyaluronic Acid

Condition Hierarchy (Ancestors)

Gingival DiseasesPeriodontal DiseasesMouth DiseasesStomatognathic DiseasesPeriodontal Atrophy

Intervention Hierarchy (Ancestors)

GlycosaminoglycansPolysaccharidesCarbohydrates

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 16, 2026

First Posted

June 23, 2026

Study Start

July 1, 2025

Primary Completion

July 1, 2026

Study Completion (Estimated)

September 10, 2026

Last Updated

June 23, 2026

Record last verified: 2026-06

Locations