Please assess the completion status of the following clinical trial:

Trial Title: Exploration of Angiogenesis in Decompensated Developmental Venous Abnormalities

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: BASIC_SCIENCE
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Main Inclusion Criteria:~* Presenting a DVA requiring hyperselective catheterization~* Having sign an informed consent form~Exclusion Criteria:~* Presenting a contraindication to the realization of hyperselective cathterism

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Blood sample (Type: EXPERIMENTAL): Blood sampling Under general anesthesia

Based on this trial design, predict the completion outcome and termination type (if applicable).