NCT04031820 (REDEP) is a NA clinical trial of Unipolar cup in Total Hip Arthroplasty, sponsored by JointResearch.

Who is sponsoring NCT04031820?

NCT04031820 is sponsored by JointResearch.

What drugs are being tested in NCT04031820?

Interventions in NCT04031820: Unipolar cup, Dual mobility cup.

What condition does NCT04031820 study?

NCT04031820 studies Total Hip Arthroplasty, Osteoarthritis, Hip.

Is NCT04031820 still recruiting?

NCT04031820 is currently recruiting now. Last updated 28 February 2025.

Last reviewed 2025-02-28 · How we verify

NCT04031820: REDEP

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

Dual-mobility Cups Compared to Unipolar Cups on Dislocation and Cost-effectiveness After Primary Total Hip Arthroplasty.

Recruiting now NA Last updated 28 February 2025

What this trial tests

NA trial testing Unipolar cup in Total Hip Arthroplasty in 1,100 participants. Currently enrolling.

Timeline

1 January 2019

Primary endpoint
1 May 2026

1 May 2027

Quick facts

Lead sponsor	JointResearch
Phase	NA
Status	Recruiting now
Study type	INTERVENTIONAL
Allocation	randomized
Design	parallel
Masking	single
Primary purpose	treatment
Enrollment	1,100
Start date	1 January 2019
Primary completion	1 May 2026
Estimated completion	1 May 2027
Sites	1 location across Netherlands

Drugs / interventions tested

Unipolar cup
Dual mobility cup

Conditions studied

Total Hip Arthroplasty — all drugs for Total Hip Arthroplasty →
Osteoarthritis, Hip — all drugs for Osteoarthritis, Hip →

Sponsor

JointResearch

Who can join

70 and older, any sex, with Total Hip Arthroplasty or Osteoarthritis, Hip. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

Objective: The primary objective is to investigate whether there is a difference in the number of hip dislocations following primary total hip arthroplasty (THA), using the posterolateral approach, with a DM cup compared to a unipolar cup in elderly patients 1 year after surgery. Study design: Prospective multi-center nation wide, single blinded RCT nested in the LROI. Study population: Patients ≥ 70 years old, undergoing an elective primary cemented THA.

Publications & conference data

2 peer-reviewed publications reference this trial (live from Europe PMC):

Study protocol: Effectiveness of dual-mobility cups compared with uni-polar cups for preventing dislocation after primary total hip arthroplasty in elderly patients - design of a randomized controlled trial nested in the Dutch Arthroplasty Registry.
Van Beers LWAH, Van Der Wal BCH, Van Loon TG, Moojen DJF, et al · · 2020 · cited 10× · PMID 32746668 · DOI 10.1080/17453674.2020.1798658
The (r)evolution of hyped innovations in orthopedic implants: can prudent introduction avoid throwing the baby out with the bathwater?
van Susante JLC. · · 2019 · cited 1× · PMID 31550954 · DOI 10.1080/17453674.2019.1669115

Verify or expand the search:

Other recruiting trials for Total Hip Arthroplasty

Currently open trials in the same condition.

NCT07410000 — Ultrasound-Guided Quadro-Iliac Plane Block for Pain Management After Total Hip Arthroplasty · NA · recruiting
NCT07227064 — Methadone in THA for Post-op Pain and Opioid Reduction · Phase 3 · recruiting
NCT06768580 — Effect of Oral Melatonin Versus Intraoperative Lidocaine Infusion on Incidence of Postoperative Delirium in Elderly Pati · NA · recruiting
NCT06904703 — Pericapsular Nerve Group and Lumbar Erector Spinae Plane Blocks for Geriatrics Undergoing Total Hip Arthroplasty · NA · recruiting
NCT06356116 — Rehabilitation After Direct Anterior Approach for Total Hip Arthroplasty · NA · recruiting

Other JointResearch trials

Trials by the same sponsor.

NCT06971757 — HAKA: Routine Follow-Up at 1 Year After Hip- or Knee Arthroplasty: Wasting Resources or Appropriate Healthcare? · NA · recruiting
NCT06864897 — The 10-year Follow-up of the Delta-TT Trial. · recruiting
NCT06961253 — External Validation of Ten Prediction Models for 30-day Mortality Following Hip Fracture · active not recruiting
NCT06367829 — Lubinus SPII Hip Stem Target Trial Emulation (LARGE) · enrolling by invitation
NCT05942950 — Predicting Outcomes of Distal Radius Fractures: a Surgeon Survey · completed

Verify against primary sources

ClinicalTrials.gov — authoritative US registry record
WHO ICTRP — international registry index
EU Clinical Trials Register
Sponsor press releases (Google)

Data sources for this page

Trial protocol + status: ClinicalTrials.gov NCT04031820 (US National Library of Medicine, public domain)
Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by JointResearch
Last refreshed: 28 February 2025

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04031820.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing