NCT05218785

Brief Summary

This prospective clinical cohort study will follow 40 patients who recieve botulinum toxin A treatment for proximal medial gastrocnemius tightness with subsequent Chronic Plantar Fasciitis for two years. Three injections of botulinum toxin (75IU) will be administered with intervals of three months. Participants will be followed at baseline, 3 months, 6 months, 1 year and 2 years with Patient Related Outcome Measures (PROMS) and physical test (Ergotest and ankle dorsiflexion).

Trial Health

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Monitor

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 P25-P50 for all trials

Timeline
Completed

Started Jan 2022

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
recruiting

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

January 13, 2022

Completed
7 days until next milestone

First Submitted

Initial submission to the registry

January 20, 2022

Completed
12 days until next milestone

First Posted

Study publicly available on registry

February 1, 2022

Completed
3.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2026

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2026

Completed
Last Updated

March 30, 2025

Status Verified

March 1, 2025

Enrollment Period

4 years

First QC Date

January 20, 2022

Last Update Submit

March 25, 2025

Conditions

Keywords

proximal medial gastrocnemius recessiongastrocnemius tightnessbotoxbotulinum toxin a

Outcome Measures

Primary Outcomes (1)

  • Manchester Oxford Foot Questionnaire

    MOxFQ (Manchester Oxford Foot Questionnaire) is a PROM consisting of 16 questions in three domains (pain, walking/standing, social interaction) leading to a total score from 0-100, 0 being the best possible score. It is validated as a reliable tool to measure results of foot and ankle surgery

    2 years

Secondary Outcomes (6)

  • Achilles function test battery

    2 years

  • Ankle dorsiflexion

    2 years

  • Visual Analogue Scale (VAS)

    2 years

  • EQ5D5L

    2 years

  • AOFAS (American Orthopeadic Foot and Ancle Society) hindfoot score

    2 years

  • +1 more secondary outcomes

Study Arms (1)

Botulinum toxin A injection

Patients will receive a total of 3 -three - injections of 75 IU Botulinum Toxin A in the proximal medial gastrocnemius muscle. Treatments will be performed by a specialist in neurology as a Ultra-Sound guided injection into the proximal medial gastrocnemius muscle Injections will be administered at baseline, 3 months and 6 months.

Drug: Botox

Interventions

BotoxDRUG

75 U in medial gastrocbemius head. x 3

Botulinum toxin A injection

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

The population consists of patients who recieve routine care at our hospital.

You may qualify if:

  • Age 18-75 years.
  • Diagnosis plantar fasciitis verified clinically by an orthopaedic surgeon.
  • Diagnosis verified by MRI. MRI criteria: Thickening of the plantar fascia, oedema in the calcaneus, pathological signal changes in the plantar fascia (35)
  • Duration of symptoms must be at least 12 months prior to first BTA injection.
  • Conventional Physical Therapy must have been tried at least three months without a significant reduction of symptoms in the affected foot.

You may not qualify if:

  • Previously undergone surgery for plantar fasciitis.
  • Patients with severe talocrural pathology or serious malalignment of foot and ankle
  • Severely reduced peripheral circulation
  • History of alcoholism, drug abuse, psychological or other emotional problems likely to jeopardize informed consent.
  • Patients with a contraindication/non-compliance for MRI examination.
  • History of allergic reaction/anaphylactic reaction or other contraindication to botulinum toxin.
  • Not able to read and/or speak a Scandinavian language or English adequately.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Oslo University Hospital, Orthopedic Department Ullevål

Oslo, Oslo County, Norway

RECRUITING

MeSH Terms

Interventions

Botulinum Toxins, Type A

Intervention Hierarchy (Ancestors)

Botulinum ToxinsMetalloendopeptidasesEndopeptidasesPeptide HydrolasesHydrolasesEnzymesEnzymes and CoenzymesMetalloproteasesBacterial ProteinsProteinsAmino Acids, Peptides, and ProteinsBacterial ToxinsToxins, BiologicalBiological Factors

Central Study Contacts

Elisabet Ellingsen Husebye, MD PhD

CONTACT

Martin Riiser, MD Phd candidate

CONTACT

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
MD PhD

Study Record Dates

First Submitted

January 20, 2022

First Posted

February 1, 2022

Study Start

January 13, 2022

Primary Completion

January 1, 2026

Study Completion

January 1, 2026

Last Updated

March 30, 2025

Record last verified: 2025-03

Data Sharing

IPD Sharing
Will not share

Locations