Patellar Tendinopathy - Effect of Training and Enhancement of the Collagen Synthesis by Insulin-like Growth Factor-I
IGF-I
Effect of Training and Local Infusion of Insulin-like Growth Factor-I and Training on Tendon Structure in Patients With Patellar Tendinopathy
1 other identifier
interventional
40
1 country
1
Brief Summary
The purpose of the study is to test the hypothesis that stimulation of the synthesis of new structural tendon proteins combined with training improve the tendon structure in patients with chronic knee tendon pain.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for early_phase_1
Started Apr 2013
Longer than P75 for early_phase_1
1 active site
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 Start
First participant enrolled
April 1, 2013
CompletedFirst Submitted
Initial submission to the registry
April 16, 2013
CompletedFirst Posted
Study publicly available on registry
April 18, 2013
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2017
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2020
CompletedJuly 29, 2020
July 1, 2020
3.8 years
April 16, 2013
July 28, 2020
Conditions
Outcome Measures
Primary Outcomes (1)
Tendon structure
After 12 weeks intervention (tendon biopsy)
Secondary Outcomes (1)
Tendon Pain
1 year (before and after 12 weeks intervention and 1 year after intervention start)
Study Arms (2)
Insulin-like growth factor I
ACTIVE COMPARATOR3 injection (1 mg), once a week the first 3 weeks of the 12 weeks of intervention
Placebo injections
PLACEBO COMPARATOR3 Injections of saline into the patellar tendon 3 times during the first 3 weeks of the 12 weeks interventions period
Interventions
Eligibility Criteria
You may qualify if:
- chronic patellar tendinopathy (\> 3 months)
- anterior-posterior thickening of the tendon (1 mm compared to mid-tendon)
- hypo-echoic area with enhanced vascularization
You may not qualify if:
- corticosteroid injection within the last 12 months
- Knee operation
- Knee osteoarthritis
- Diabetes
- Smoking
- Body mass index \>30
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Bispebjerg Hospitallead
- The Danish Medical Research Councilcollaborator
Study Sites (1)
Institute of Sports Medicine, Copenhagen
Copenhagen, 2400, Denmark
Related Publications (1)
Olesen JL, Hansen M, Turtumoygard IF, Hoffner R, Schjerling P, Christensen J, Mendias CL, Magnusson PS, Kjaer M. No Treatment Benefits of Local Administration of Insulin-like Growth Factor-1 in Addition to Heavy Slow Resistance Training in Tendinopathic Human Patellar Tendons: A Randomized, Double-Blind, Placebo-Controlled Trial With 1-Year Follow-up. Am J Sports Med. 2021 Jul;49(9):2361-2370. doi: 10.1177/03635465211021056. Epub 2021 Jun 17.
PMID: 34138667DERIVED
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Michael Kjaer, Professor
Institute of Sports Medicine, Copenhagen, Bispebjerg Hospital, 2400 Copenhagen, Denmark
- PRINCIPAL INVESTIGATOR
Mette Hansen, PhD
Section of Sport Science, Department of Public Health, Aarhus University, Dalgas Avenue 4, 8000 Aarhus C, Denmark
- PRINCIPAL INVESTIGATOR
Jens Olesen, PhD
Institute of Sports Medicine, Copenhagen, Bispebjerg Hospital, 2400 Copenahagen, Denmark
Study Design
- Study Type
- interventional
- Phase
- early phase 1
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- BASIC SCIENCE
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associated Professor, PhD
Study Record Dates
First Submitted
April 16, 2013
First Posted
April 18, 2013
Study Start
April 1, 2013
Primary Completion
February 1, 2017
Study Completion
December 1, 2020
Last Updated
July 29, 2020
Record last verified: 2020-07