Personalized Vitamin D Supplementation for Reducing or Preventing Fatigue and Enhancing Quality of Life of Patients with Colorectal Tumor: Randomized Intervention Trial (VICTORIA)

Status

Completed

Phases

Phase 3

Study type

Interventional

Source

EU CTIS

Registry ID

CTIS2024-515420-37-01

Acronym

DKFZ-2019-001

Enrollment

456

Registered

2025-01-17

Start date

2020-09-28

Completion date

2025-07-15

Last updated

2025-01-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Fatigue in patients with colorectal cancer (CRC) (ICD codes C18-C20 and C21.8) within 12 months after a colorectal cancer therapy (surgery, chemotherapy and/or radiation) and not optimal vitamin D status (25-hydroxyvitamin D (25(OH)D) levels < 60 nmol/L)

Brief summary

• Mean difference in FACIT-F fatigue subscale between intervention and placebo group at trial week 13-16

Interventions

DRUGplacebo capsule

DRUGCOLECALCIFEROL

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Design outcomes

Primary

Measure	Time frame
• Mean difference in FACIT-F fatigue subscale between intervention and placebo group at trial week 13-16	—

Countries

Germany

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026