Please assess the completion status of the following clinical trial:

Trial Title: Dose-finding Study of Metformin With Chemoradiation in Locally Advanced Head and Neck Squamous Cell Carcinoma

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE1
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* Locally advanced squamous cell cancer of the head and neck, stage III or IV disease (T1-2, N2a-3 or T3-4).~* Measurable disease~* No prior chemotherapy or radiation for head and neck squamous cell cancer~* Life expectancy of greater than 3 months.~* Adequate labs~Exclusion Criteria:~* Known metastatic disease.~* Nasopharyngeal carcinoma~* History of allergic reactions attributed to metformin or other agents used in study.~* Known diagnosis of diabetes requiring insulin for control.~* Administration of metformin within last 4 weeks.

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

Study Arms:
- Metformin with Chemoradiation (Type: EXPERIMENTAL): Metformin administered orally daily to start one week prior to Cisplatin and Radiation Therapy. Metformin dose is escalating.

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