Please assess the completion status of the following clinical trial:

Trial Title: Efficacy of Trans-tympanic Injections of a Sodium Thiosulfate Gel to Prevent Cisplatin-induced Ototoxicity

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: SUPPORTIVE_CARE
- Time Perspective: None
- Masking: SINGLE
- Phase: PHASE2
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Patients with newly diagnosed locally advanced (stage III or IV) squamous cell carcinoma of the mouth, oropharynx, hypopharynx, or larynx scheduled to be treated with concomitant chemoradiation including Cisplatin100 mg/m2 3 times~* Normal otoscopic findings and symmetrical hearing~Exclusion Criteria:~* Karnofsky below 70

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

Study Arms:
- Treated ear (Type: EXPERIMENTAL): Trans-tympanic injection of a sodium thiosulfate gel
- Control ear (Type: NO_INTERVENTION): No intervention

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