# Collagen Matrix + rhPDGF-BB vs Connective Tissue Graft for the Treatment of Peri-implant Soft Tissue Dehiscences

> **NCT05576922** · NA · ACTIVE_NOT_RECRUITING · sponsor: **Harvard Medical School (HMS and HSDM)** · enrollment: 28 (actual)

## Conditions studied

- Implant Complication

## Interventions

- **OTHER:** Prosthetic-surgical approach + autogenous graft
- **OTHER:** Prosthetic-surgical approach + graft substitute

## Key facts

- **NCT ID:** NCT05576922
- **Lead sponsor:** Harvard Medical School (HMS and HSDM)
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2023-01-04
- **Primary completion:** 2025-10-20
- **Final completion:** 2025-10-21
- **Target enrollment:** 28 (ACTUAL)
- **Last updated:** 2025-04-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05576922

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05576922, "Collagen Matrix + rhPDGF-BB vs Connective Tissue Graft for the Treatment of Peri-implant Soft Tissue Dehiscences". Retrieved via AI Analytics 2026-07-06 from https://api.ai-analytics.org/clinical/NCT05576922. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*