Autologous Tenocyte Implantation in Patients With Chronic Achilles Tendinopathy
ATI
The Value of Autologous Tenocyte Implantation in Patients With Chronic Achilles Tendinopathy: a Double-blind Randomised Clinical Trial
1 other identifier
interventional
90
1 country
1
Brief Summary
This study is designed to compare the treatment of 2 groups in patients with Achilles tendinopathy: autologous tenocytes injection in combination with exercises versus saline injection in combination with exercises
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2
Started Apr 2011
Typical duration for phase_2
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
April 1, 2011
CompletedFirst Submitted
Initial submission to the registry
April 27, 2011
CompletedFirst Posted
Study publicly available on registry
April 28, 2011
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2014
CompletedStudy Completion
Last participant's last visit for all outcomes
June 1, 2014
CompletedFebruary 16, 2015
February 1, 2015
3.2 years
April 27, 2011
February 12, 2015
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
VISA-A score
a validated instrument to detect the severity of symptoms in patients with Achilles tendinopathy
24 weeks
Secondary Outcomes (3)
Ultrasonographic tendon repair - Ultrasonographic Tissue Characterization (UTC)
24 weeks
Subjective patient satisfaction
24 weeks
Returning to sports level
24 weeks
Study Arms (2)
Autologous Tenocyte Implantation
EXPERIMENTALIntratendinous ATI (autologous tenocyte implantation) injection with eccentric exercises
Saline injection
PLACEBO COMPARATORIntratendinous saline injection with eccentric exercises
Interventions
Intratendinous ATI (autologous tenocyte injection) with eccentric exercises
Eligibility Criteria
You may qualify if:
- Pain on palpation 2-7 cm proximal from the tendon insertion ("midportion")
- Symptoms \> 2 months
- Age 18-55 years
You may not qualify if:
- Clinical suspicion of insertional disorders , Achilles tendon rupture, plantar flexor tenosynovitis, sural nerve pathology, peroneal subluxation
- Condition of the Achilles tendon caused by medications such as quinolones and statins
- Known to have the following disorders: spondylarthropathy, gout, hyperlipidemia, rheumatoid arthritis and sarcoidosis.
- Antibiotics allergy (aminoglycoside group)
- A condition that prevents the patients from executing an active rehabilitation programme
- Patient has received an injection for this injury
- Patient has received surgical intervention for this injury
- Patient has already one site (left or right) included in this study
- Patient does not wish, for whatever reason, to undergo one of the two treatments
- Known pregnancy
- Nursing women
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Sports medicine department Medical Center The Hague
Leidschendam, South Holland, 2262 BA, Netherlands
Related Publications (1)
Chen J, Yu Q, Wu B, Lin Z, Pavlos NJ, Xu J, Ouyang H, Wang A, Zheng MH. Autologous tenocyte therapy for experimental Achilles tendinopathy in a rabbit model. Tissue Eng Part A. 2011 Aug;17(15-16):2037-48. doi: 10.1089/ten.TEA.2010.0492. Epub 2011 Jun 10.
PMID: 21495863BACKGROUND
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
J.A.N. Verhaar, Prof
Erasmus Medical Center
- PRINCIPAL INVESTIGATOR
P.L.J. van Veldhoven, MD
Medical Center The Hague
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Prof. J.A.N. Verhaar
Study Record Dates
First Submitted
April 27, 2011
First Posted
April 28, 2011
Study Start
April 1, 2011
Primary Completion
June 1, 2014
Study Completion
June 1, 2014
Last Updated
February 16, 2015
Record last verified: 2015-02