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Study on the Safety and Feasibility of Using Autologous Oral Mucosa-Derived Keratinocytes and Fibroblasts for Treating Cleft Palate Patients

Investigational
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What is this trial about?

A plain-language summary of the goals, design and what participants do

This clinical trial is focused on studying a condition known as cleft palate, which is a gap or opening in the roof of the mouth that occurs when the tissue doesn't fuse together during pregnancy. The trial is testing a new treatment called BIOCLEFT, which is a special type of tissue made from a patient's own cells. This tissue is created using cells from the inside of the mouth, known as oral mucosa, and is grown outside the body in a lab. The cells used are keratinocytes and fibroblasts, which are important for skin and tissue repair. These cells are expanded, meaning they are grown in larger numbers, and then placed in a supportive structure made of fibrin-agarose, which helps them form a living tissue equivalent.

The purpose of the study is to evaluate the safety and feasibility of using this new tissue to treat patients with cleft palate. Participants in the study will receive either the BIOCLEFT treatment or a standard treatment, and the study will compare the outcomes. The trial will monitor how well the new tissue works in terms of healing and improving the appearance of the palate, as well as its impact on growth, hearing, speech, and overall quality of life. The study will also look at any side effects or adverse events that may occur during the treatment process.

The study is designed to be conducted in phases, starting with a small group of patients to ensure the treatment can be safely implanted and is effective. The trial will continue to gather information over time to determine the best ways to use this new treatment for cleft palate. Participants will be closely monitored throughout the study to ensure their safety and to gather valuable data on the treatment's effectiveness.

The research process

The trial runs in 5 steps – from screening to follow-up. Each step says what happens and what the team monitors.

  1. Step 1

    Initial assessment

    The trial begins with an initial assessment to confirm eligibility. This includes verifying the diagnosis of a non-syndromic total unilateral cleft lip and palate and ensuring that an oral mucosa sample was previously donated during a cleft lip repair procedure.

    Informed consent must be signed by one or both parents or a legal guardian, who are adequately informed of the study and willing to follow the trial procedures and instructions.

  2. Step 2

    Preparation of tissue substitute

    The donated oral mucosa sample is used to create a tissue-engineered substitute. This involves expanding the sample to produce autologous oral mucosa-derived adult keratinocytes and fibroblasts, which are then incorporated into a nanostructured fibrin-agarose matrix.

    This process results in a living tissue equivalent that will be used for implantation.

  3. Step 3

    Surgical implantation

    The prepared tissue substitute is surgically implanted into the palatal area. This procedure is designed to aid in the treatment of the cleft palate.

    The goal is to evaluate the safety and feasibility of this method, as well as its potential to support regeneration and healing.

  4. Step 4

    Post-operative monitoring

    After the surgical implantation, monitoring is conducted to observe any adverse events, both serious and non-serious, that may occur.

    The monitoring also includes assessments of the aesthetic appearance, craniofacial growth, hearing, speech, and overall quality of life.

  5. Step 5

    Follow-up evaluations

    Regular follow-up evaluations are scheduled to assess the long-term outcomes of the treatment. These evaluations focus on the effectiveness of the tissue substitute in promoting healing and improving the patient's quality of life.

    The trial is expected to continue until November 15, 2027, allowing for comprehensive data collection and analysis.

Who can join the trial?

5 criteria

  • Children of any gender can participate.
  • The child must have a diagnosis of a non-syndromic total unilateral cleft lip and palate. This means the cleft affects one side of the lip and palate and is not part of a larger syndrome.
  • The child must be scheduled for surgery to correct the cleft lip and palate.
  • The child must have previously given a sample of their mouth lining (oral mucosa) during a previous surgery to repair the cleft lip, known as cheiloplasty.
  • One or both parents, or a legal guardian, must sign an informed consent form. This means they understand the study and agree to follow the study's procedures and instructions.

Who cannot join the trial?

10 criteria

  • Patients with any other serious health conditions that could interfere with the study.
  • Patients who are unable to follow the study procedures or instructions.
  • Patients who have participated in another clinical trial recently.
  • Patients who are allergic to any materials used in the study.
  • Patients who are pregnant or breastfeeding.
  • Patients who have a history of poor wound healing.
  • Patients who have an active infection at the time of the study.
  • Patients who are taking medications that could affect the study results.
  • Patients who have a history of drug or alcohol abuse.
  • Patients who have a condition that affects their immune system.
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Investigated drugs

Autologous Tissue-Engineered Nanostructured Fibrin-Agarose Oral Mucosa Substitute is a specially designed treatment created from the patient's own cells. This therapy involves engineering a substitute for the oral mucosa, which is the tissue lining the inside of the mouth. The substitute is made using a combination of fibrin and agarose, which are materials that help form a supportive structure. This treatment is being tested for its safety and effectiveness in helping to repair the palatal mucosa in patients with a cleft palate, a condition where there is an opening or split in the roof of the mouth.

What is already known about the treatment

Autologous Tissue-Engineered Nanostructured Fibrin-Agarose Oral Mucosa Substitute – This medication is administered as a graft applied directly to the affected area in the mouth. It is currently being studied in clinical trials to assess its safety and effectiveness for treating cleft palate. The main therapeutic indication is to aid in the repair of cleft lip and palate by providing a substitute for the oral mucosa. At the molecular level, it works by integrating with the patient's tissue to promote healing and tissue regeneration. It is classified as a tissue-engineered product, specifically designed to replace or repair damaged oral mucosa.

Investigated diseases

Cleft Lip and Palate – This condition is a congenital deformity that occurs when a baby's lip or mouth does not form properly during pregnancy. It results in an opening or split in the upper lip and/or the roof of the mouth (palate). The cleft can occur on one or both sides of the lip and may extend from the lip through the upper gum and palate into the bottom of the nose. As the child grows, this condition can affect feeding, speech, and hearing. It may also lead to dental problems and challenges with facial growth. The severity and combination of cleft lip and palate can vary widely among individuals.
Trial detailsLast updated 2 Oct 2026
Age0-17PhasePhase I/IITrial ID2023-506913-23-00Protocol codeFIB-BIO-2023-03Estimated enrolment15 patientsSponsorFundacion Publica Para La Investigacion Biosanitaria De Andalucia Oriental Alejandro Otero

sourced from the EU Clinical Trials Register and site verification

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