Hallux Valgus Correction Using the Metal Screw or the Human Allogeneic

Status Not yet recruiting

Clinical Trial Summary

The goal of this clinical trial is to compare the treatment of Hallux Valgus using the conventional method (metal screw) with the new method (human allogeneic cortical bone screw (Shark Screw®) in adult patients with confirmed Hallux Valgus. The main questions it aims to answer are: Can the new method obtain comparable results as the conventional method in regard to union rate and time to union? Are the number of complications lower with the new method? Participants will be operated either with the metal screw or with the Shark Screw®. The assignment to the groups is randomized.

Clinical Trial Description

The planned prospective study will investigate whether the use of the human allogenic cortical bone screw (Shark Screw® leads to comparable results in the union rate and the prevention of recurrences as with metal screws. Furthermore, it will be investigated whether rotational stability is possible with the bone screw. The measurement of the HVA angle and the IMA angle should provide information on whether the correction is stable over time. A comparison of the AOFAS forefoot score before and after the operation for both methods is a further measure to check whether the human allogenic cortical bone screw can deliver similar results. Initial studies on the use of the allogenic bone screw in hand and foot surgery show particularly good integration behavior of the human allogenic cortical bone screw . A retrospective study by Hanslik-Schnabel et al has shown initial positive results in the treatment of hallux rigidus. In addition, a gait analysis is performed pre- and postoperatively to provide information on possible differences between the two groups in the context of 3D gait analysis/pedobarography and is also matched with another healthy cohort. At the preoperative time point and after 12 and 24 months, a 3D gait analysis with a foot model is conducted to record the joint kinematics and kinetics. In the study by Canseco et al. , the proximal gait pattern changes remained unchanged. Hwang reported hyper-external rotation in the subtalar joint, excessive eversion in the subtalar joint, and lack of movement in the hallux MP joint in the terminal standing phase. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT06262204
Study type	Interventional
Source	Orthopedic Hospital Vienna Speising
Contact	Florian Wenzel-Schwarz, MD
Phone	+43180182
Email	florian.wenzel@oss.at
Status	Not yet recruiting
Phase	N/A
Start date	June 1, 2024
Completion date	February 28, 2026

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Hallux Valgus Correction Using the Metal Screw or the Human Allogeneic Cortical Bone Screw (Shark Screw).

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms