NCT01834989

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

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
40

participants targeted

Target at P50-P75 for early_phase_1

Timeline
Completed

Started Apr 2013

Longer than P75 for early_phase_1

Geographic Reach
1 country

1 active site

Status
unknown

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

Completed
15 days until next milestone

First Submitted

Initial submission to the registry

April 16, 2013

Completed
2 days until next milestone

First Posted

Study publicly available on registry

April 18, 2013

Completed
3.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2017

Completed
3.8 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2020

Completed
Last Updated

July 29, 2020

Status Verified

July 1, 2020

Enrollment Period

3.8 years

First QC Date

April 16, 2013

Last Update Submit

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 COMPARATOR

3 injection (1 mg), once a week the first 3 weeks of the 12 weeks of intervention

Drug: Insulin-like growth factor I

Placebo injections

PLACEBO COMPARATOR

3 Injections of saline into the patellar tendon 3 times during the first 3 weeks of the 12 weeks interventions period

Drug: Placebo

Interventions

Insulin-like growth factor I
Also known as: Saline Injections
Placebo injections

Eligibility Criteria

Age18 Years - 50 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

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

Study Sites (1)

Institute of Sports Medicine, Copenhagen

Copenhagen, 2400, Denmark

Location

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.

Related Links

MeSH Terms

Conditions

Tendinopathy

Interventions

Insulin-Like Growth Factor I

Condition Hierarchy (Ancestors)

Muscular DiseasesMusculoskeletal DiseasesTendon InjuriesWounds and Injuries

Intervention Hierarchy (Ancestors)

SomatomedinsInsulin-Like PeptidesIntercellular Signaling Peptides and ProteinsPeptidesAmino Acids, Peptides, and ProteinsBlood ProteinsProteinsBiological Factors

Study Officials

  • 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

    PRINCIPAL INVESTIGATOR

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

Locations