Retrieval analysis and clinical trials of knee and hip replacements.
RCTs:
- DuMo‑Hip Trial (registry‑based pragmatic multicenter RCT): Effect of dual‑mobility cup in primary THA; funding 2026–2032 (Western Norway Regional Health Authority/South‑Eastern Norway Regional Health Authority), PI: Tesfaye Leta. PhD-candidates Ingvild N. Vedå and Elise N. Pettersen.
- NAVIO (robotic and navigation) vs conventinal Journey II knee (RSA-study) (2020-2027). PI: 1. aman. overlege Øystein Gøthesen, PhD-cand. Ø. Skåden. Haugesund.
- Persona study: A randomized controlled clinical and RSA study of 2 total knee replacement designs (2018-2025). A comparison of Nexgen CR and Persona CR. Project leader: MD Mona Badawy and Prof. MD Ove Furnes. PhD-cand. Kristine O. Lindemann and Jenny Austrheim Hellerud, Coastal Hospital in Hagevik/Lærdal Hospital
- A comparative randomized study of 5 articulations in total hip replacements - 10 years of follow up with RSA, metal ion levels in blood, CT and MRI scans. Project leaders: Geir Hallan MD, PhD and Prof. Ove Furnes MD, PhD. Associated project by PhD-cand. Håkon Greve Johannessen at The Faculty of Medicine, UiB.
- RSA and DXA 60 patients with Polar-stems versus Corail-stems. Project leader: MD, PhD Geir Hallan.
Implant failure simulation and quality control of clinical techniques
Cementing techniques for total knee replacements by questionnaire and experimental studies. PhD-cand. Michelle Khan, Faculty of Medicine, UiB.
Periprosthetic Femoral Fracture: A Biomechanical Comparison Of Composite-Beam And Taper-Slip Stems In A Synthetic Bone Model. PI: Marcus Osdal. Coworkers: Paul Johan Høl, Jan-Erik Gjertsen, Ove Furnes, Irene Moldestad, Torbjørn Kristensen.
CMC joint prostheses in Norway: Helse Førde and Haukeland University Hospital; clinical follow‑up, registry study, and blood element analysis. PhD candidate Eirik Brendsdal. Coworkers: Kaya K. Jacobsen, Ove Furnes, Bente Vatn, Navid Beigi, Yngvar Krukhaug, Paul Johan Høl.
Internal exposure and biological response (biocompatibility) to wear particles and metal ions from surgical implants
- Prospective study of blood metal ion levels after Birmingham hip resurfacing arthroplasty. Project leaders: Paul J. Høl and Kari Indrekvam
- Reconstruction of particle-induced osteolysis in vitro. Anika J. Heincke, Rainer Bader, Mihaela Cimpan and Paul Johan Høl
Innovation of new biomaterials and medical devices
- Customised Diamond coatings: Implants of the future. PhD-cand. Marit C. Hougen. Supervisors: Justas Zalieckas (main), Paul Johan Høl, Ivan Rios Mondragos, Mihaela Cimpan
- Personalized orthopedic splints (orthoses) with 3D technology