Clinical trial Recruiting at 1 site Observational Ages 18 to 80 Men only

Investigating hypercalcemia caused by paraffin oil injections

Official title: Hypercalcemia After Paraffin Oil Injection: Aetiology, Pathogenesis and Possible Treatment Options

Run by Copenhagen University Hospital, Rigshospitalet · NCT04292288 · Data updated 2026-11-12

This study is trying to understand the health risks of paraffin oil injections in young men, especially how they might cause high calcium levels in the blood.

More Hypercalcemia trials

Quick facts

Study typeObservational
Ages18 Years to 80 Years
SexMen only
Enrollment200 (estimated)
SponsorCopenhagen University Hospital, Rigshospitalet
Academic / other
Drugs / interventionsradiation
Locations1 site (Herlev)
StatusRecruiting
StartedApril 1, 2019
Main results expectedJanuary 1, 2028
Study endsJanuary 1, 2029
Registry record updatedApril 6, 2025
Trial IDNCT04292288 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are young men who have previously injected paraffin oil into their bodies.

Probably not a fit

Patients who are unable to walk or have incurable cancer 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 observational study aims to understand the health risks associated with the injection of paraffin oil into skeletal muscles, particularly among young men seeking cosmetic enhancements. It will involve a large group of participants who have injected varying amounts of paraffin oil, focusing on identifying risk factors for developing hypercalcemia and exploring the underlying mechanisms of the condition. The study will also culture granuloma tissue from selected patients to investigate the production of activated vitamin D and parathyroid hormone-related peptide. The findings could provide insights into the pathogenesis of hypercalcemia linked to cosmetic procedures.

Why it matters

Potential benefit: If successful, this study could lead to better awareness and management of hypercalcemia in patients who have undergone paraffin oil injections.

How similar studies have gone: While there have been case reports on this issue, this study represents a novel approach to understanding the broader implications of paraffin oil injections and their health risks.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria: - previous injection of paraffin oil into the body

\-

Exclusion Criteria: - inability to walk

* inability to understand the consequences of inclusion
* incurable cancer disease

Where it's running

  • Herlev Hospital
    Herlev, Denmark
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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.