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NCT07300631Recruiting

SpaceOAR Post-Market Registry Study

OASIS: SpaceOAR PoSt - Market Registry Study: Assessing the Safety & Acceptability of SpaceOAR Use With Prostate Radiotherapy

Source: ClinicalTrials.gov · Last updated 30 Jul 2026

Brief summary (registry, in English)

Recently, concerns have been raised by regulators that there is little data about the long-term safety of rectal hydrogel spacers for use in conjunction with radiotherapy treatment for prostate cancer. To address this, this study will collect data about the short-term side-effects and long-term safety of SpaceOAR and SpaceOAR Vue rectal hydrogel spacers in men who receive them in the UK and France. Men who have agreed to receive these spacers as part of their standard medical care will be asked to take part in the study whereby data about their treatment and health will be collected from their medical records and from members of the clinical team who deliver their treatment. Additionally, men will be asked to consent to completing questionnaires about their experiences of side effects from their treatment. Further information will be collected about their clinical characteristics before they receive a spacer, the physician-rated clinical performance of the spacer insertion procedure, their radiotherapy treatment plan and details of the other treatments they are also receiving which could influence the types and extent of side effects they experience. Data collection will span eight time points: pre-spacer insertion, spacer insertion, the start of radiotherapy, post-radiotherapy follow-up, 6-month follow-up, 12-month follow-up, 24-month follow-up \& 36-month follow-ups. Outside of these timepoints treatment-related adverse event data will be concurrently reported and collated. Participants' treatments will not be changed as a result of their participation in this study. Data from this study will be used to summarise the characteristics of this study population, physicians' perceptions of the spacer implantation procedure, the radiotherapy treatments plans made, and the types, extent and timing of treatment-related adverse events and side effects.

Status (registry)
Recruiting
Study type
Observational
Enrollment
320 (estimated)
First submitted
19 Nov 2025
Start date
31 Dec 2025
Primary completion date
Feb 2030
Lead sponsor
Sheffield Teaching Hospitals NHS Foundation Trust
NCT number
NCT07300631

What you commit to

  • Study type: Observational
  • Planned participants: 320
  • From 31 Dec 2025 to the primary completion date, Feb 2030
  • 8 sites in 2 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Other

  • \- Patients lacking the capacity to provide;
  • informed consent as documented on the study informed consent form by the - Researchers (UK only)
  • written, informed consent by signature of the study informed consent form (France only)

Who the study is looking for

  • All patients with a clinical diagnosis of prostate cancer planned to undergo treatment with curative intent at selected sites in the UK \& France subject to a SpaceOAR being used as usual care.
  • Aged 18 years old or above.
  • Patients who agrees to participate and has been deemed by their medical team to have capacity to provide;
    • verbal, informed consent over telephone as documented on the study informed consent form by the Researchers (UK only)
    • written, informed consent by signature of the study informed consent form (France only)
  • Patient covered by social security scheme (France only)

Age in the registry: 18 years to - · Sex: Male · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (8)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
CHU de Brest, Boulevard de Tanguy Prigent
Coordinator of this site? Confirm its status
BrestFranceRecruiting
Clinique Pasteur
Coordinator of this site? Confirm its status
ToulouseFranceRecruiting
Centre de cancerologie les Dentellieres
Coordinator of this site? Confirm its status
ValenciennesFranceRecruiting
University Hospitals of Derby & Burton NHS Foundation Trust
Coordinator of this site? Confirm its status
DerbyUnited KingdomRecruiting
The Clatterbridge Cancer Centre NHS Foundation Trust
Coordinator of this site? Confirm its status
LiverpoolUnited KingdomRecruiting
Royal Free London
Coordinator of this site? Confirm its status
LondonUnited KingdomRecruiting
Maidstone & Tunbridge Wells NHS Trust
Coordinator of this site? Confirm its status
MaidstoneUnited KingdomRecruiting
Norfolk & Norwich University Hospital NHS Foundation Trust
Coordinator of this site? Confirm its status
NorwichUnited KingdomRecruiting

This page is information, not medical advice. Discuss any trial with your doctor.