Vitamin D treatment after intracerebral hemorrhage
Official title: Vitamin D Treatment in IntraCerebal Hemorrhage To Enhance Hematoma Resolution (VICToHR): a Pilot Study
Run by The University of Hong Kong · NCT07458815 · Data updated 2026-11-12
This will try giving higher-dose vitamin D to adults within 96 hours of an intracerebral hemorrhage to see if it helps clear the bleed faster and is safe.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 18 Years to 90 Years |
| Sex | All |
| Enrollment | 40 (estimated) |
| Sponsor | The University of Hong Kong Academic / other |
| Locations | 1 site (Hong Kong) |
| Status | Recruiting |
| Started | March 1, 2026 |
| Main results expected | August 31, 2027 |
| Study ends | February 28, 2028 |
| Registry record updated | May 6, 2026 |
| Trial ID | NCT07458815 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults with spontaneous supratentorial ICH who present within 96 hours, have premorbid mRS ≤2, an ICH volume ≥2 mL, and no contraindications to vitamin D are ideal candidates.
✕Probably not a fit
Patients with severe coma (GCS <9), those expected to need surgical hematoma evacuation, with hypercalcemia, severe renal or liver impairment, or who present late (>96 hours) are unlikely to benefit or are excluded.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is a prospective, randomized, open-label, blinded-endpoint (PROBE) pilot comparing vitamin D supplementation versus standard care in adults with spontaneous supratentorial intracerebral hemorrhage. Participants are randomized 1:1 to receive vitamin D 4000 IU daily for two weeks then 1000 IU daily for 24 weeks, or standard care, with neuroradiologists blinded for hematoma measurements. The primary outcomes are the rate of hematoma resolution at 14 days and the incidence of hypercalcemia and vitamin D toxicity; hematoma volume change is centrally read by a blinded rater. Key eligibility includes age ≥18, presentation within 96 hours of ICH, premorbid mRS ≤2, and ICH volume ≥2 mL, while patients with severe organ dysfunction, hypercalcemia, or anticipated surgical evacuation are excluded.
Why it matters
Potential benefit: If successful, this could speed hematoma clearance and reduce secondary brain injury using an inexpensive, widely available supplement.
How similar studies have gone: Preclinical mouse studies demonstrated improved hematoma clearance and function with high-dose vitamin D, but human data for ICH are novel and limited.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Spontaneous ICH diagnosis * Age ≥ 18 years * Within 96 hours of ICH * Premorbid Modified Rankin Scale of ≤2 * Supratentorial ICH * ICH volume ≥2 mL Exclusion Criteria: * Expected life expectancy of \<1 year * Glasgow Coma Scale \<9 * Anticipated surgical evacuation of hematoma * Inability to participate in follow-up activity * Hypercalcemia * Hyperphosphatemia * History of kidney stones * Bleeding tendency * Severe renal impairment * Severe liver impairment * Known contraindication or allergy to vitamin D
Where it's running
-
The University of Hong Kong
Hong Kong, Hong Kong Recruiting
Study contacts
- Principal investigator: Kay Cheong Teo, MBBS, MD — The University of Hong Kong
- Study coordinator: Kay Cheong Teo, MBBS, MD
- Email: kcteo@hku.hk
- Phone: 852-22552368
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.