- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01879150
Pilot Study of CyclaPlex Implant, an Enhanced Suture and Button Implant Device in Hallux Valgus Deformity (CO001)
Single Center, Open-label, Single Arm, Study Designed to Evaluate Safety, Tolerability and Efficacy of CyclaPlex Implant and Tools for Correction of First Inter-metatarsal Angle in Subjects Suffering From Hallux Valgus Deformity
Study Overview
Detailed Description
INVESTIGATIONAL THERAPY Cycla Orthopedics Ltd has developed the CYCLAPLEX , a minimally invasive enhanced type of Suture and Button implant. It is intended to: (a) reduce the intermetatarsal angle (IMA) between 1MT and 2MT without osteotomy osteotomy b) reduce the risk of 2MT fractures (d) perform the implantation procedure in an easy and safe way.
The CYCLAPLEX predicated device is the "Suture and Button" type MiniTightrope. It is based on Mini Tightrope clinical experience, however with additional features to increase safety and functionality.
The CyclaPlex device comprise of two bone holders ('Anchors ') connected by a metal cord. The cord is connected to the buttons by crimp method as part of the surgery procedures The bone holders are T shape screws that are screwed into the bones after drilling holes across the 2 metatarsals. The gap in the bone as a result of the drilling is filled by the enhanced T shape buttons (screws). A nut is residing internally as part of the 1st met anchor structure. The IMA is reduced using specially designed tensioning tool CyclaPlex device is indicated for reducing intermetatarsal angles in cases where IMA is less than 200 eliminating the need for the traditional 1st metatarsal osteotomy. It used in conjunction with traditional release of the lateral MTP joint capsular structures and removal of the medial eminence as well as regular HVA reduction procedures such as AKIN.
The 2nd Metatarsal fracture risk is reduced due multiple/ accumulated factors:
(i) The hole drilled at 2nd metatarsal had been reduced significantly (ii) The hole is filled by conical screw and head. This firm anchoring method enable to distribute the horizontal forces applied during gate.
(iii) The metal screw type device enables bone growth over it and strengthen the bone at that area.
(iv) The connecting cord is housed inside the screw and has no direct touch with the bone, in both, 2nd and 1st metatarsals.
The device is delivered sterilized ( steam sterilization) double bag residing in cardboard box.
Dedicated assistive tools for multiple use are provided as well housed in a special tray intended for surgery room steam sterilization. The tools comprise of Aiming Drilling Guide,, screw driver for anchors insertion, Tensioning tool for reduction of the IMA, Crimping tool, cutter, single use drill bits
Study Type
Enrollment (Anticipated)
Phase
- Phase 1
Contacts and Locations
Study Locations
-
-
-
Kfar Saba, Israel, 44281
- Recruiting
- MMC
-
Contact:
- Liraz Elazar
- Phone Number: 0509291083
- Email: Liraz.Elazar@clalit.org.il
-
Contact:
- Elkahn Eleiv, MD
- Phone Number: 0545900119
- Email: 'gibor5@gmail.com'
-
Sub-Investigator:
- Victor Feldman, MD
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Sub-Investigator:
- Jonathan Koch, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria
- Adult males and female subjects, aged 20 to 75 years old, inclusive, at screening visit
- Subject weighing <100 kg and body mass index (BMI) <32 kg/m2
- Subjects with confirm diagnosis of HV deformity based on radiography assessment of IMA > 12 º and less or equal to 20degree.
- Subjects who would need osteotomy of the 1st MT as part of their surgery.
- Able and willing to comply with the requirements of the protocol.
- Able to understand and sign written informed consent to participate in the study
Exclusion criteria
- Contraindication to implantation procedure
- History of: Diabetes mellitus,Claudication vascular disease or known Peripheral Vascular Disease,Rheumatoid disease no palpable pulse (DP or PT),- Gout or any systemic inflammatory arthropathy,Osteoarthritis of first metatarsal,Neurological conditions associated with spasticity,No prior operation at 1st and 2nd Metatarsals
- Osteoporosis
- Secondary metatarsal complications including:Fracture (past or present), Aseptic necrosis or any deformity of 2nd MTH,Subject currently enrolled in or has not yet completed at least 30 days since ending
- Any condition that may jeopardize study participation (e.g. abnormal clinical or laboratory finding), the interpretation of study results or may impede the ability to obtain informed consent (e.g., mental condition)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: CYCLAPLEX bone anchors
Following a 28-day screening period, eligible subjects requiring surgical correction for HV deformity (1st IMA >12degree, =<20 degree) will be enrolled to undergo HV deformity correction procedure with CYCLAPLEX under local or spinal anesthesia. The device is implanted via small holes drilled in 1st and 2nd metatarsals. Complementary normal medical procedures such as bunionectomy, soft tissue release and HV angle correction will be performed as required. Subjects will be followed-up for 50 weeks post-procedure. |
Device implantation
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Percent of subjects with 1st IMA ≤9º or reduction of more than 7º in the 1st IMA compared to Base line at last observed value (LOV).
Time Frame: 6 months follow up and 12 months follow up
|
6 months follow up and 12 months follow up
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
General Improvement as assessed by American Orthopaedic Foot and Ankle Society Hallux Metatarsophalangeal-lnterphalangeal Scale (AOFAS HMIS) score
Time Frame: 6 months, 12 months
|
The AOFAS score results at each visit will be evaluated and compared to other known studies published
|
6 months, 12 months
|
Pain and Functional assessment [Foot Function Index (FFI)]
Time Frame: 6 months 12 months
|
Pain and functional index will be assesed for complete results and separately for pain and functionality
|
6 months 12 months
|
Time to full weight bear, to use of regular shoes and fashion shoes.
Time Frame: 12 months
|
12 months
|
|
Reduction in 1st IMA from baseline to LOV
Time Frame: 6 months, 12 months
|
6 months, 12 months
|
|
Number and type of Adverse Events
Time Frame: 6 months, 12 months
|
Adverse events will be evaluated for their severity and frequency
|
6 months, 12 months
|
Complications at surgery
Time Frame: 3 months
|
Number and type of complications at surgery will be evaluated
|
3 months
|
Other Outcome Measures
Outcome Measure |
Time Frame |
---|---|
1st intermetatarsal forces at time of implantation
Time Frame: 3 months
|
3 months
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Elkahn Eliev, MD, MMC orthopedic department physician
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- mmc-cyclaplex001-il
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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