Study to Assess the Long-term Safety of KN3835 in the Treatment and Retreatment of Flexible/Semi-Flexible Hammertoe (HMT)
23 de setembro de 2026 atualizado por: Endo USA Inc., a Keenova Therapeutics Company
A Phase 3, Multi-center Extension Study to Evaluate the Long-term Safety, Efficacy, and Maintenance of Response of KN3835 in the Treatment and Retreatment of Flexible/Semi-flexible Hammertoe
The primary purpose of this study is to assess the long-term safety of treatment and retreatment with KN3835 for flexible/semi-flexible HMT.
Visão geral do estudo
Status
Ainda não está recrutando
Condições
Intervenção / Tratamento
Descrição detalhada
This extension study is for eligible participants who completed parent study KN3835-313 HMT. The study comprises 2 parts:
- Part I: a double-blind Observation Period from Observational Day 1 to Observational Day 360, and
- Part 2: an optional open-label Treatment/Retreatment Period from Observational Day 180 (Treatment/Retreatment Day 1) to Treatment/Retreatment Day 360 (End of Study).
Tipo de estudo
Intervencional
Inscrição (Estimado)
470
Estágio
- Fase 3
Contactos e Locais
Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.
Contato de estudo
- Nome: Clinical Operations
- Número de telefone: 800-462-3636
- E-mail: clinicaltrials@endo.com
Critérios de participação
Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.
Critérios de elegibilidade
Idades elegíveis para estudo
18 anos a 75 anos (Adulto, Adulto mais velho)
Aceita Voluntários Saudáveis
Não
Gêneros Elegíveis para o Estudo
Tudo
Descrição
Inclusion Criteria:
- Were enrolled in and completed Study KN3835-313 (participants who completed the study are those that completed the Day 57/End of Study Visit, were assessed for safety, and received at least 1 dose of study intervention).
- Has no significant medical history or examination findings related to the foot to be treated, which in the investigator's opinion, would make the participant unsuitable for study intervention administration or study required evaluations.
- If female, be of non-childbearing potential or, if of childbearing potential, be non-pregnant, non-lactating and agree to use effective contraception when with a male partner for the duration of the study and for 28 days after treatment.
- Be willing and able to comply with all protocol required visits and assessments.
Key Exclusion Criteria:
- Has any significant medical condition, or a serious or severe event in the parent study or any ongoing event from the parent study, which in the investigator's opinion, would make the participant unsuitable for enrollment in the study.
- Has received or plans to receive surgical or nonsurgical treatments on the foot or toe that was treated for the duration of study participation.
Note: Other inclusion/exclusion criteria may apply.
Plano de estudo
Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Tratamento
- Alocação: Não randomizado
- Modelo Intervencional: Atribuição sequencial
- Mascaramento: Dobro
Armas e Intervenções
Grupo de Participantes / Braço |
Intervenção / Tratamento |
|---|---|
|
Experimental: Observation then KN3835
After observation during Part 1 of the study, participants will have the option to receive treatment or retreatment with KN3835 in Part 2. |
Participants will receive KN3835 in Part 2 of the Study
Outros nomes:
|
|
Sem intervenção: Observation Only
Participants will be observed through Part 1. After completion of Part 1, participants will have the option to be observed only during Part 2 of the study. |
O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Prazo |
|---|---|
|
Number of Participants with Adverse Events
Prazo: Observational Day 1 up to Treatment/Retreatment Period Day 360
|
Observational Day 1 up to Treatment/Retreatment Period Day 360
|
Medidas de resultados secundários
Medida de resultado |
Prazo |
|---|---|
|
Change from Baseline In Foot Function Index (FFI) Total Score In Part 1 Observational Period
Prazo: Baseline and up to Observational Day 360
|
Baseline and up to Observational Day 360
|
|
Change from Baseline In FFI Subscales (Difficulty, Pain and Activity Limitation) Scores In Part 1 Observational Period
Prazo: Baseline and up to Observational Day 360
|
Baseline and up to Observational Day 360
|
|
Change from Baseline In Pain Intensity Numeric Rating Scale (NRS) Score In Part 1 Observational Period
Prazo: Baseline and up to Observational Day 360
|
Baseline and up to Observational Day 360
|
|
Percentage of Participants That Meet Retreatment/Treatment Criteria In Part 1 Observational Period
Prazo: Observational Day 180
|
Observational Day 180
|
|
Percentage of Participants Reporting To Be "Quite Satisfied" and "Very Satisfied" On The Subject Satisfaction With Treatment Scale In Part 1 Observational Period
Prazo: Up to Observational Day 360
|
Up to Observational Day 360
|
|
Percentage Participants with Investigator Reported "Minimal Improvement", "Much Improvement", or "Very Much Improvement" on the Clinician Global Impression of Change Scale (CGIC) Scale Score in Part 1 Observational Period
Prazo: Up to Observational Day 360
|
Up to Observational Day 360
|
|
Change from Baseline In Flexion Contracture As Measured By Goniometer in Part 1 Observational Period
Prazo: Baseline and up to Observational Day 360
|
Baseline and up to Observational Day 360
|
|
Percent Change from Baseline In Flexion Contracture As Measured By Goniometer in Part 1 Observational Period
Prazo: Baseline and up to Observational Day 360
|
Baseline and up to Observational Day 360
|
|
Change from Baseline In The Patient Global Impression of Severity (PGIS) HMT Overall Scale Score in Part 1 Observational Period
Prazo: Baseline and up to Observational Day 360
|
Baseline and up to Observational Day 360
|
|
Percentage Of Participants reporting "Minimal Improvement", "Much Improvement", or "Very Much Improvement" on the Patient Global Impression of Change Scale (PGIC) HMT Overall Scale Score in Part 1 Observational Period
Prazo: Up to Observational Day 360
|
Up to Observational Day 360
|
|
Change from Baseline In FFI Total Score In Part 2 Treatment/Retreatment Period
Prazo: Baseline and up to Treatment/Retreatment Period Day 360
|
Baseline and up to Treatment/Retreatment Period Day 360
|
|
Change from Baseline In FFI Subscales (Difficulty, Pain and Activity Limitation) Scores In Part 2 Treatment/Retreatment Period
Prazo: Baseline and up to Treatment/Retreatment Period Day 360
|
Baseline and up to Treatment/Retreatment Period Day 360
|
|
Change from Baseline In Pain Intensity NRS Score In Part 2 Treatment/Retreatment Period
Prazo: Baseline and up to Treatment/Retreatment Period Day 360
|
Baseline and up to Treatment/Retreatment Period Day 360
|
|
Percentage of Participants Reporting To Be "Satisfied" and "Very Satisfied" On The Subject Satisfaction With Treatment Scale In Part 2 Treatment/Retreatment Period
Prazo: Up to Treatment/Retreatment Period Day 360
|
Up to Treatment/Retreatment Period Day 360
|
|
Percentage Of Participants with Investigator Reported "Minimal Improvement", "Much Improvement", or "Very Much Improvement" on the CGIC HMT Overall Scale Score in Part 2 Treatment/Retreatment Period
Prazo: Up to Treatment/Retreatment Period Day 360
|
Up to Treatment/Retreatment Period Day 360
|
|
Change from Baseline In Flexion Contracture As Measured By Goniometer in Part 2 Treatment/Retreatment Period
Prazo: Baseline and up to Treatment/Retreatment Period Day 360
|
Baseline and up to Treatment/Retreatment Period Day 360
|
|
Percent Change from Baseline In Flexion Contracture As Measured By Goniometer in Part 2 Treatment/Retreatment Period
Prazo: Baseline and up to Treatment/Retreatment Period Day 360
|
Baseline and up to Treatment/Retreatment Period Day 360
|
|
Change from Baseline In The PGIS HMT Overall Scale Score in Part 2 Treatment/Retreatment Period
Prazo: Baseline and up to Treatment/Retreatment Period Day 360
|
Baseline and up to Treatment/Retreatment Period Day 360
|
|
Percentage Of Participants reporting "Minimal Improvement", "Much Improvement", or "Very Much Improvement" on the PGIC HMT Overall Scale Score in Part 2 Treatment/Retreatment Period
Prazo: Up to Treatment/Retreatment Period Day 360
|
Up to Treatment/Retreatment Period Day 360
|
Colaboradores e Investigadores
É aqui que você encontrará pessoas e organizações envolvidas com este estudo.
Patrocinador
Investigadores
- Diretor de estudo: Medical Director, MD, Endo USA Inc., a Keenova Therapeutics Company
Datas de registro do estudo
Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.
Datas Principais do Estudo
Início do estudo (Estimado)
11 de outubro de 2026
Conclusão Primária (Estimado)
1 de dezembro de 2028
Conclusão do estudo (Estimado)
1 de dezembro de 2028
Datas de inscrição no estudo
Enviado pela primeira vez
23 de setembro de 2026
Enviado pela primeira vez que atendeu aos critérios de CQ
23 de setembro de 2026
Primeira postagem (Real)
29 de setembro de 2026
Atualizações de registro de estudo
Última Atualização Postada (Real)
29 de setembro de 2026
Última atualização enviada que atendeu aos critérios de controle de qualidade
23 de setembro de 2026
Última verificação
1 de setembro de 2026
Mais Informações
Termos relacionados a este estudo
Outros números de identificação do estudo
- KN3835-314 HMT
Plano para dados de participantes individuais (IPD)
Planeja compartilhar dados de participantes individuais (IPD)?
NÃO
Informações sobre medicamentos e dispositivos, documentos de estudo
Estuda um medicamento regulamentado pela FDA dos EUA
Sim
Estuda um produto de dispositivo regulamentado pela FDA dos EUA
Não
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