Please assess the completion status of the following clinical trial:

Trial Title: Effect of Xen Implantation on the Aqueous Humor Proteome

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Male or female of any racial or ethnic origin, 18 years or older~* Able to provide written informed consent.~* Scheduled to undergo Xen implantation for open angle glaucoma or already has an aqueous shunt~Exclusion Criteria:~* History of conjunctivitis or any ocular infection within the past 3 weeks.~* Any active inflammation of the cornea or the anterior chamber (uveitis)

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 90 Years
- Healthy Volunteers: f

Study Arms:
- Xen (Type: None): Patients treated with a Xen microstent for glaucoma.
- Aqueous shunt (Type: None): Patients treated with an aqueous shunt for glaucoma.

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