NCT07401966

Brief Summary

This observational study aims to assess the presence of neuropathic pain in children and adolescents who underwent limb amputation during childhood. The study focuses on two types of neuropathic pain: phantom limb pain and residual limb pain. It also evaluates quality of life and functional autonomy in this population and explores potential associations between neuropathic pain, autonomy, quality of life, and age at amputation. Using a mixed retrospective and prospective design, data are collected from medical records and standardized questionnaires administered during routine follow-up visits at a specialized pediatric limb anomaly center. The study seeks to improve understanding of neuropathic pain after pediatric amputation and its impact on daily functioning.

Trial Health

77
On Track

Trial Health Score

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

Enrollment
50

participants targeted

Target at P25-P50 for all trials

Timeline
8mo left

Started Feb 2026

Shorter than P25 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 Progress33%
Feb 2026Feb 2027

First Submitted

Initial submission to the registry

February 3, 2026

Completed
8 days until next milestone

First Posted

Study publicly available on registry

February 11, 2026

Completed
8 days until next milestone

Study Start

First participant enrolled

February 19, 2026

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 9, 2026

Expected
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

February 2, 2027

Last Updated

February 23, 2026

Status Verified

February 1, 2026

Enrollment Period

9 months

First QC Date

February 3, 2026

Last Update Submit

February 20, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Presence of neuropathic pain after pediatric limb amputation

    Presence of neuropathic pain assessed using the DN4 questionnaire, including phantom limb pain and residual limb pain. A DN4 score of 4 or higher is considered indicative of neuropathic pain.

    Single assessment at study inclusion (variable time after amputation)

Secondary Outcomes (7)

  • Type of neuropathic pain after pediatric limb amputation

    At study inclusion

  • Health-related quality of life

    At study inclusion

  • Locomotor capability in lower limb amputees

    At study inclusion

  • Upper limb functional ability

    At study inclusion

  • Correlation between DN4 neuropathic pain score and SF-15 health-related quality of life score

    At study inclusion

  • +2 more secondary outcomes

Study Arms (1)

Pediatric limb amputation cohort

This cohort includes children and adolescents aged 5 to 18 years who underwent limb amputation during childhood and are followed at a specialized pediatric limb anomaly referral center. Participants are evaluated at a single time point using retrospective medical record data and standardized questionnaires administered during routine follow-up visits, without any modification of standard clinical care.

Eligibility Criteria

Age5 Years - 18 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)
Sampling MethodNon-Probability Sample
Study Population

The study population consists of children and adolescents aged 5 to 18 years who underwent limb amputation during childhood and are followed at a specialized pediatric referral center for limb anomalies. Participants include individuals with upper limb and/or lower limb amputation, regardless of the etiology of amputation. The study population includes both prosthesis users and non-prosthesis users. Data are collected using retrospective medical record review and a single prospective assessment with standardized questionnaires administered during routine follow-up visits, without any modification of standard clinical care.

You may qualify if:

  • Patients aged between 5 and 18 years (inclusive) (Piaget's concrete operational stage to be able to complete the self-assessment questionnaires)
  • Patients who underwent amputation before the age of 15 for girls and 16 for boys (average age of completion of lower limb growth)
  • Patients who have not undergone surgery on the amputated limb for at least one year (to avoid bias, as any surgery involving incision can cause temporary neuropathic pain unrelated to the amputation)
  • Have obtained the signature of the non-objection form by both parents/legal guardians
  • Have obtained the child's consent (verbal consent but recorded)
  • Be affiliated with a health insurance plan.

You may not qualify if:

  • Patients who do not speak French
  • Patients whose cognitive abilities are insufficient (as determined by a clinician or reported by parents) to be able to complete self-assessment questionnaires
  • Patients undergoing chemotherapy (due to transient neuropathic pain)
  • Patients who have received chemotherapy and whose side effects have not yet subsided (on a case-by-case basis depending on the chemotherapy used)
  • Patients who have received chemotherapy causing neuropathic pain due to this treatment that has not disappeared.
  • Patients placed under protective custody.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hôpitaux Paris Est Val-de-Marne - Centre de Référence des Malformations des Membres

Saint-Maurice, 94410, France

RECRUITING

MeSH Terms

Conditions

NeuralgiaPhantom Limb

Condition Hierarchy (Ancestors)

Peripheral Nervous System DiseasesNeuromuscular DiseasesNervous System DiseasesPainNeurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and SymptomsPerceptual DisordersNeurobehavioral ManifestationsPain, PostoperativePostoperative ComplicationsPathologic Processes

Study Officials

  • Margaux MM Modjbafan

    Hôpitaux Paris Est Val-de-Marne, centre de référence des malformations des membres, Saint-Maurice 94410

    PRINCIPAL INVESTIGATOR
  • Maïwenn MF Feldmann

    Hôpitaux Paris Est Val-de-Marne, centre de référence des malformations des membres, Saint-Maurice 94410

    STUDY DIRECTOR

Central Study Contacts

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
OTHER
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 3, 2026

First Posted

February 11, 2026

Study Start

February 19, 2026

Primary Completion (Estimated)

November 9, 2026

Study Completion (Estimated)

February 2, 2027

Last Updated

February 23, 2026

Record last verified: 2026-02

Data Sharing

IPD Sharing
Will not share

Individual participant data will not be shared due to the observational design of the study, the pediatric population involved, and the need to protect sensitive medical and functional data. Data are pseudonymized and handled in accordance with applicable data protection regulations, and no public data-sharing plan is planned.

Locations