Clinical Study of Regeneration on Larynx Soft Tissue Guided by Functional Collagen Scaffold

NCT ID: NCT02754284

Last Updated: 2021-01-05

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

20 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-12-31

Study Completion Date

2020-06-30

Brief Summary

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This study is carried out to explore the short-term and long-term efficacy of the functional collagen scaffold in guiding laryngeal soft tissue regeneration.

Detailed Description

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Conditions

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Vocal Cord Dysfunction

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants

Study Groups

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Autologous fat transplantation

Group Type EXPERIMENTAL

Autologous fat transplantation

Intervention Type BIOLOGICAL

Autologous abdominal fat will be injected into vocal cord beneath mucous under surgery microscope.

Functional collagen scaffold transplantation

Group Type EXPERIMENTAL

Functional collagen scaffold transplantation

Intervention Type BIOLOGICAL

Injectable collagen scaffold combined with adipose derived stem cells that are isolated from abdominal adipose tissue will be injected into vocal cord beneath mucous under surgery microscope.

Interventions

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Autologous fat transplantation

Autologous abdominal fat will be injected into vocal cord beneath mucous under surgery microscope.

Intervention Type BIOLOGICAL

Functional collagen scaffold transplantation

Injectable collagen scaffold combined with adipose derived stem cells that are isolated from abdominal adipose tissue will be injected into vocal cord beneath mucous under surgery microscope.

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

1. Age of 18-65 years old, male or female
2. Severe unilateral vocal cord injury and poor closure of the glottis
3. Disease course was more than 1 year
4. At least two GRBAS scores reach 2 points or more
5. The subjects have read and fully understood the research notes, signed informed consent

Exclusion Criteria

1. Over speaking professionals, such as teachers, shop assistants.
2. With vital organ dysfunction, such as heart, lung, liver or kidney.
3. Pregnant or lactating women, or in preconception period.
4. Allergic to various drugs.
5. Difficult to be followed-up or cooperate long-termly.
6. Participated in other clinical trials in the last 3 months.
7. With progressive severe disease.
8. Alcoholics or drug addicts.
9. Unable to execute clinical study protocol due to severe mental disorders or lingual barriers
10. With inevitable circumstances of voice damage.
11. Any other unsuitable conditions for the study.
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Peking Union Medical College

OTHER

Sponsor Role collaborator

Chinese Academy of Sciences

OTHER_GOV

Sponsor Role lead

Responsible Party

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Jianwu Dai

Principal Investigator of Regenerative Medicine Laboratory, Institute of Genetics and Developmental Biology, CAS

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Jianwu Dai, Ph.D

Role: PRINCIPAL_INVESTIGATOR

Chinese Academy of Sciences

Locations

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Peking Union Medical College Hospital, Chinese Academy of Medical Sciences

Beijing, , China

Site Status

Countries

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China

Other Identifiers

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CAS-XDA-LST/IGDB

Identifier Type: -

Identifier Source: org_study_id

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