Clinical trial Recruiting at 1 site Phase 3 Interventional Ages 45 to 80

Evaluating colchicine's effect on knee and hip replacements in osteoarthritis patients

Official title: The Effect of ColcHicine on the Incidence of Knee or Hip Replacements: a Randomized, Double-blind, Multicentre Study in Symptomatic Knee or Hip Osteoarthritis

Run by Sint Maartenskliniek · NCT06578182 · Data updated 2026-11-12

This study is testing if taking colchicine every day can help people with osteoarthritis avoid needing knee or hip replacement surgery.

Quick facts

PhasePhase 3
Study typeInterventional
Ages45 Years to 80 Years
SexAll
Enrollment1410 (estimated)
SponsorSint Maartenskliniek
Academic / other
Locations1 site (Nijmegen)
StatusRecruiting
StartedJanuary 1, 2025
Main results expectedMarch 31, 2029
Study endsMarch 31, 2029
Registry record updatedFebruary 20, 2025
Trial IDNCT06578182 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are individuals aged 45 to 80 with a clinical diagnosis of knee or hip osteoarthritis and documented radiographic changes.

Probably not a fit

Patients who are on a waiting list for joint replacement surgery or have had multiple previous replacements may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial aims to assess whether daily treatment with colchicine can reduce the incidence of knee or hip replacements in patients diagnosed with osteoarthritis. Participants will take colchicine or a placebo for a duration of 3 to 4.5 years, with regular clinic visits for check-ups, blood tests, and x-rays. The study will compare the outcomes of those receiving colchicine against those receiving a placebo to determine its effectiveness in managing osteoarthritis symptoms and preventing surgical interventions.

Why it matters

Potential benefit: If successful, this treatment could significantly reduce the need for knee and hip replacement surgeries in osteoarthritis patients.

How similar studies have gone: Previous studies have shown promising results with colchicine in other inflammatory conditions, but this specific application in osteoarthritis is novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* clinical diagnosis of knee or hip OA
* 45 ≤ age ≤ 80 (upper age limit is similar to that in the LoDoCo2 trial and takes in consideration the lower number of joint replacements in people older than 80 years)
* documented radiographic changes typical for advanced knee/hip OA (Kellgren \& Lawrence score ≥ 2), or at least 2-year history of complaints due to OA in the hip and/or knee

Exclusion Criteria:

* On a waiting list for primary joint replacement surgery of the hip or knee, irrespective of cause
* Any absolute contraindication for knee or hip replacement in the future
* More than one previous hip or knee replacements
* Other known medical disease that may affect joints
* Known generalized pain syndromes such as fibromyalgia
* Renal impairment as evidenced by serum creatinine \>150µmol/l or estimated glomerular filtration rate (eGFR) \<50mL/min/1.73m2
* Liver function impairment as evidenced by serum alanine transferase (ALAT) \> 3 ULN (upper limit of normal)
* Blood dyscrasia
* High frailty (clinical frailty scale ≥ 7) or predicted life expectancy \< 5 years
* Peripheral neuritis, myositis or marked myo-sensitivity to statins
* Current use of colchicine for another indication
* Intolerance to colchicine
* use of macrolide antibiotics (i.e. clarithromycin, erythromycin, azithromycin), antimycotics (i.e. ketoconazole, itraconazole and voriconazole), protease inhibitors \& anti-retroviral drugs (i.e. ritonavir, lopinavir, tipranavir, atazanavir, darunavir, indinavir, saquinavir, and cobicistat), anti-arrhythmic drugs (i.e. verapamil, diltiazem), or immunosuppressant (i.e. cyclosporine)
* Current enrollment in another trial
* Incapacitated patients
* Pregnant or breastfeeding female
* Fertile female participants not taking sufficient anti-conception
* Male participants unwilling to use effective contraception during the study to prevent pregnancy

Where it's running

  • Sint Maartenskliniek
    Nijmegen, Netherlands
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.