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Pivotforsøg med antibiotikadevice til ekstremitetsosteomyelitis - Genex med gentamicin. (ADOPT GG)

6. november 2026 opdateret af: Biocomposites Ltd

Et multicenter, enkelt-armet, historisk kontrolleret pivotforsøg til vurdering af sikkerhed og effektivitet af Genex G som del af den kirurgiske behandling af ekstremitetsosteomyelit.

The purpose of this trial is to determine if genex with gentamicin (genex G) an antibiotic loaded bone void filler, works to treat and is a safe option as part of the surgical treatment of osteomyelitis in the extremities.

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This trial is a multi-center, single arm, historically controlled, pivotal device study.

All participants diagnosed with osteomyelitis of the extremities (Cierny-Mader Classification grades I-IV) can be considered. All participants will undergo surgical debridement and will receive genex with gentamicin (genex G) antibiotic loaded bone void filler as part of the surgical treatment of osteomyelitis of the extremities. Participants will receive antibiotics per site specific requirements as clinically indicated. All participants will be followed up for 24 Months.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

139

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Undersøgelse Kontakt Backup

Studiesteder

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  1. Patient with osteomyelitis of the extremities, who have failed antibiotic therapy and are requiring surgical intervention (unresolved osteomyelitis), Cierny-Mader classification of osteomyelitis grades I-IV. Patients presenting with Cierny-Mader grades I-II will be required to have a defect created as part of debridement surgery

  2. Patients at least 18 years of age *1

  3. Patient willing and able to provide written informed consent

  4. Patient geographically stable and able to comply with the required follow-up visits and testing schedule as assessed by the investigator

  5. Ability to achieve adequate surgical soft tissue coverage of the wound (primary tissue closure or surgical reconstruction including local and free soft tissue transfer)

    • 1 Patients between 18 and 22 years of age require confirmation of skeletal maturity as validated by radiographs of the bone to be treated.

Exclusion Criteria:

  1. Patients diagnosed with acute osteomyelitis
  2. Patients with Cierny-Mader grades I-II who are unable to have a defect created during debridement surgery
  3. Renal failure or documented chronic kidney disease with serum creatinine ≥3.5 mg/dL (309umol/L) or being treated with dialysis
  4. Participants with a terminal or palliative diagnosis (e.g. terminal cancer diagnosis) deemed to have less than 1 year life expectancy by their health care team
  5. Uncontrolled diabetes mellitus (hemoglobin A1c levels >10%)
  6. Pre-existing calcium metabolism disorder
  7. Women who are pregnant or breastfeeding or planning on becoming pregnant during the study (a pregnancy test will be done in women of childbearing potential at screening and on the day of surgery)
  8. History of hypersensitivity or contraindication to the investigational device or any of its ingredients (calcium phosphate, β-tricalcium phosphate, and aminoglycoside antibiotics)
  9. Participation in an investigational drug/device study (within the last 60 days) or prior enrolment to the ADOPT GG study
  10. Clinically significant or unstable medical or surgical condition that in the investigators opinion may preclude safe and complete study participation (for example patients medically unfit for surgery, general anesthesia, or any risk of significant blood loss resulting in significant risk to loss of life)
  11. Current untreated malignant neoplasm(s), or current treatment with radiation therapy or chemotherapy
  12. Current or recent history (within last 2 years) of active substance abuse (e.g. recreational drugs, narcotics, or alcohol) that meets DSM-5 severe criteria
  13. Currently incarcerated

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Single Arm

Participants will receive genex with Gentamicin, an antibiotic loaded bone void filler that supports bone healing, as part of the surgical treatment of osteomyelitis of the extremities.
Enhed: genex with gentamicin (genex G)

genex with gentamicin will be implanted during debridement surgery

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
No further requirement for antibiotic treatment due to persisting symptoms of infection at the index site (i.e., additional antibiotics prescribed following completion of the initial systemic antibiotics prescribed post surgery.
Tidsramme: Month 12

Further requirement for antibiotic treatment due to persisting symptoms of infection at the site of treatment will be assessed at Month 12.
Month 12
No further surgical interventions required due to infection at the index site.
Tidsramme: Month 12

Need for further surgical interventions required due to infection at the index site will be assessed at Month 12.
Month 12
No recurrence of sinus formation at the index site.
Tidsramme: Month 12

Recurrence of sinus formation at the index site will be assessed by a non-contrast CT scan at week 2 & Month 12. Clinical endpoint assessments will also be used to measure this at post operative follow-up visits and will be assessed at Month 12.
Month 12

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
No additional requirement for antibiotic treatment due to persisting symptoms of infection at the treatment site, i.e., additional antibiotics prescribed following completion of the initial systemic antibiotics prescribed post-surgery.
Tidsramme: Month 24

Further requirement for antibiotic treatment due to persisting symptoms of infection at the site of treatment will be assessed at Month 24.
Month 24
No radiographic evidence of post op fractures.
Tidsramme: Month 24

Radiographic evidence of post-operative fractures will be evidenced by X-ray & CT evaluations and assessed at Month 24.
Month 24
Radiographic evidence of new bone healing.
Tidsramme: Month 24

Radiographic evidence of new bone healing will be evidenced by X-ray and CT evaluations and assessed at Month 24.
Month 24
No recurrence of sinus formation at the treatment site.
Tidsramme: Month 24

Recurrence of sinus formation at the index site will be assessed by contrast enhanced CT evaluation and Clinical endpoint assessments measured at Month 24.
Month 24
No secondary surgical interventions (SSI's) related to the investigational treatment.
Tidsramme: Month 24

Secondary Surgical interventions (SSI's) related to the investigational treatment will be assessed at Month 24.
Month 24
No serious adverse events that are definitely related to genex G.
Tidsramme: Month 24

Serious adverse events that are definitely related to genex G will be assessed at Month 24.
Month 24
Radiographic Evidence of new bone formation and product reabsorption.
Tidsramme: Month 24

Radiographic evidence of new bone formation and product reabsorption will be evidenced by X-ray and CT evaluations during the course of the trial and recorded on the participants electronic case report form (eCRF).
Month 24
Infection resolution evaluated by radiographic assessment and clinical endpoints.
Tidsramme: Month 24

Radiographic evidence of infection resolution will be evidenced by contrast enhanced CT evaluations and clinical endpoint assessments assessed during the course of the trial and recorded on the participants electronic case report form (eCRF).
Month 24
Adverse events including wound problems, reaction to combination product, fracture at treatment site.
Tidsramme: Month 24

Adverse events including wound problems, reaction to combination product, fracture at treatment site will be assessed during the course of the trial and recorded on the participants electronic case report form (eCRF).
Month 24
Secondary Surgical Interventions (SSI's)
Tidsramme: Month 24

Number of Secondary Surgical Interventions (SSI's) will be assessed during the course of the trial and recorded on the participants electronic case report form (eCRF).
Month 24
Number of participants discontinuing therapy prematurely due to a device related event.
Tidsramme: Month 24

Number of participants discontinuing therapy prematurely due to a device related event will be assessed during the course of the trial and recorded on the participants electronic case report form (eCRF).
Month 24
Number of hospitalisations/re-hospitalisation due to treatment site Osteomyelitis.
Tidsramme: Month 24

Number of hospitalisations/re-hospitalisation due to treatment site Osteomyelitis.
Month 24
Quality of Life EQ-5D-5L
Tidsramme: Month 24

Impact on the participants Quality of Life will be measured by the EQ-5D-5L during the course of the trial and recorded on the participants electronic case report form (eCRF).
Month 24

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Biocomposites Ltd

Efterforskere

  • Studieleder: Keira Watts, PHD, Biocomposites Ltd

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

20. oktober 2026

Primær færdiggørelse (Anslået)

1. oktober 2027

Studieafslutning (Anslået)

1. oktober 2028

Datoer for studieregistrering

Først indsendt

26. november 2025

Først indsendt, der opfyldte QC-kriterier

26. november 2025

Først opslået (Faktiske)

8. december 2025

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

9. november 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

6. november 2026

Sidst verificeret

1. juli 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 201924

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ja

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