Osteoarthritis Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- Adults aged 65 years or older who are scheduled to have a planned (non-emergency) hip replacement surgery using spinal anaesthesia
- People who are able to give written consent to participate
- People who are able to understand and use a simple pain rating scale from 0 to 10
- People whose general health before surgery falls within a moderate risk category (classified as ASA II–III — confirm with trial site if unsure what this means)
- People who are expected to stay in hospital for at least 48 hours after surgery
Who may not be able to join:
- People who are unable to give informed consent due to memory or thinking difficulties, language differences, or significant hearing or speech limitations
- People with blood clotting problems, or who are taking blood-thinning medications in a way that may not be safe for nerve block procedures
- People who have a skin infection at the area where a nerve block would be given
- People with a known allergy or sensitivity to ropivacaine, local anaesthetic medicines, or other study medications
- People who already have nerve or muscle problems in their legs that could affect how results are measured
- People with severe spine problems or physical differences that could make nerve block procedures unsafe
- People who regularly use strong opioid pain medicines (more than the equivalent of 30 mg of oral morphine per day, for longer than two weeks)
- People with severely reduced kidney function or severe liver disease
- People with poorly controlled diabetes (based on blood sugar or HbA1c levels — confirm specific values with the trial site)
- People who have previously experienced a serious reaction to local anaesthetic medicines entering the bloodstream
- People who have taken part in another interventional clinical trial within the past 30 days
- People with any other condition that the trial investigators consider may affect safety or the reliability of results
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Malgorzata Reysner, MD PhD, Poznań University of Medicla Sciences
Phone: +48 61 873 83 03
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Total Opioid Consumption in the First 48 Hours After Surgery
Can't join this trial?
Data last synced from ClinicalTrials.gov: 13 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.