NCT04950361

Completed

Follow-up of Patients With Talocalcaneal Coalitions

Peking University Third Hospital Source

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Other study identifiers

Sponsor study identifier

M2020197

Study Type

observational

Actual enrollment (reported)

106

Locations

0 countries

Sites

N/A

Timeline

Study Start

January 1, 2009

Actual (reported)

Primary Completion

January 31, 2020

Actual (reported)

Study Completion

June 10, 2021

Actual (reported)

Brief Summary

The objective of this study was to develop a new classification system based on the articular facets involved to cover all coalitions and guide operative planning.

Registry Overview

Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.

Recruitment status: completed
Actual enrollment (reported): 106 participants
Study completion date: June 10, 2021
Actual (reported)
Listed locations: 0 countries · 0 sites

Trial Relationships

Click on a node to explore related trials.

Some registry-reported names shown below are not yet linked in this graph.

Study Timeline

Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.

Study Start
January 1, 2009
Actual (reported)
Primary Completion
January 31, 2020
Actual (reported)
Study Completion
June 10, 2021
Actual (reported)
First Submitted
June 25, 2021
Actual (reported)
First Posted
July 6, 2021
Actual (reported)

Last Updated: July 6, 2021
Status Verified: June 2021
Last Update Submitted: July 1, 2021

Conditions

Talocalcaneal Coalition

Outcome Measures

Primary Outcomes (1)

CT
computerized tomography scan
pre-surgery

Secondary Outcomes (3)

MRI
pre-surgery
AFOAS
pre-surgery, one year after sugery
Tegner
pre-surgery, one year after sugery

Interventions

talocalcaneal coalitionOther

patients with talocalcaneal coalition

Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.

Eligibility Criteria

Sexall

Healthy VolunteersNo

Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

Sampling MethodNon-Probability Sample

Study Population

Patients that were diagnosed with talocalcaneal coalition using a CT scan, between January 2009 and February 2021.

You may qualify if:

Patients diagnosed as talocalcaneal coalition by CT or MRI at the outpatient

Sponsors & Collaborators

Peking University Third Hospital
Otherlead

Study Officials

Qinwei Guo, MD
Peking University Third Hospital
STUDY CHAIR

Enrollment

106 participants (actual enrollment reported by the registry).

Study Design

Study Type: observational
Observational Model: CASE ONLY
Time Perspective: RETROSPECTIVE
Sponsor Type: OTHER
Responsible Party: SPONSOR

Study Record Dates

First Submitted

June 25, 2021

First Posted

July 6, 2021

Study Start

January 1, 2009

Actual (reported)

Underwent arthroscopic talocalcaneal coalition resection due to failure of conservative treatment

You may not qualify if:

The affected side underwent other foot and ankle operations
Combined with other ankle diseases
Refused to participate in the study

Contact the study team to confirm eligibility.

Primary Completion

January 31, 2020

Actual (reported)

Study Completion

June 10, 2021

Actual (reported)

Last Updated

July 6, 2021

Record last verified: 2021-06

Data Sharing

IPD Sharing: Will not share

Source record

Download the complete ClinicalTrials.gov record imported by Syfrah, including fields not shown in this page. The registry may contain a newer revision.

Source: ClinicalTrials.gov.

JSON downloads include source attribution and retrieval details alongside the unchanged original record or the separately normalized values.

Registry identifier: NCT04950361
Data provider: ClinicalTrials.gov
Source updated: 2021-07-06
Normalization version: ctgov-legacy-1

Open registry record

Source retrieved: 2026-10-25 22:32:44 UTC

Brief Summary

Registry Overview

Trial Relationships

Related Scientific Literature

Study Timeline

Study Start

Primary Completion

Study Completion

First Submitted

First Posted

Conditions

Outcome Measures

Primary Outcomes (1)

Secondary Outcomes (3)

Interventions

Eligibility Criteria

You may qualify if:

Sponsors & Collaborators

Study Officials

Enrollment

Study Design

Study Record Dates

You may not qualify if:

Data Sharing

Source record