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Validation of Patient Reported Outcome Measures for Use in Hallux Valgus

Validation of the Modified Foot Function Index (mFFI) for Use in Hallux Valgus

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT03846687
Enrollment
21
Registered
2019-02-20
Start date
2018-10-30
Completion date
2020-01-15
Last updated
2020-01-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hallux Valgus

Brief summary

The purpose of the study is to explore whether the mFFI is fit for purpose in adults with hallux valgus (HV).

Interventions

None listed

Sponsors

Ipsen
Lead SponsorINDUSTRY

Study design

Observational model
CASE_ONLY
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Male or female, of any race and, aged ≥ 18 years * Clinical diagnosis of hallux valgus * Fluent in reading/speaking US-English to read and understand informed consent form and to participate in the interview

Exclusion criteria

* Participation in another foot-based clinical trial in the last 90 days or in Ipsen's clinical trial D-FR-52120-237 * Current chronic drug or alcohol abuse problem

Design outcomes

Primary

MeasureTime frameDescription
Concept elicitation (CE) of mFFI7 daysFace-to-face interview (approx. 25 minutes), using semi-structured interview guide to explore the symptoms and impact of HV.
Cognitive debriefing (CD) of mFFI7 daysFace-to-face interview (approx. 25 minutes) to explore understanding and relevance of mFFI items.
Usability testing of mFFI7 daysTelephone interview (approx. 20 minutes) using a semi-structured interview guide to explore how participants found usability of completing the mFFI daily in electronic format on their own device.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026