Please assess the completion status of the following clinical trial:

Trial Title: Low Dose Naltrexone for Metastatic Melanoma, Castrate Resistant Prostate Cancer and Renal Cancer

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE2
- Number of Arms: 1.0

Eligibility Criteria:
Conditions for Patient Eligibility~Each patient must meet all of the following inclusion criteria to be enrolled in the study:~* Histologically or pathologically confirmed melanoma, renal cancer or prostate cancer.~* Patients with melanoma or renal cancer must have metastatic disease.~* Patients with melanoma or renal cancer must have radiographically measurable advanced disease. Patients with measurable cutaneous lesions are also evaluable patients with prostate cancer must be castrate refractory and must have radiographically assessable metastatic disease or must have rising PSA on two sequential measurements.~* No prior chemotherapy, or have not received cytotoxic chemotherapy within the 6 months prior to entry..~* No radiation for 3 weeks prior to beginning Naltrexone~* No requirement for opioid analgesics orNo use of opioid analgesics for at least 10 days.~* Absolute neutrophil count ≥ 1,000/uL, platelet ≥ 75,000/uL.~* Total bilirubin ≤ 1.5x upper institutional limit (ULN) and AST or ALT ≤ 3x ULN;~* No prior history of hepatic failure, cirrhosis or hepatic encephalopathy~* ECOG performance status 0 to 2.~* Creatinine \< 1.5 x ULN~* Life expectancy of at least 8 weeks.~* Age ≥ 18 years~* Women of childbearing potential must have a negative pregnancy test.~* Men and women of childbearing potential must be willing to consent to using effective contraception while on treatment and for at least 1 months thereafter.~* Voluntary written informed consent.~* Conditions for Patient Ineligibility Patients meeting any of the following exclusion criteria are not to be enrolled in the study.~* Must not have uncontrolled severe, intercurrent illness.~* Women who are breast-feeding.~* Patients who have undergone major surgery or radiotherapy within the last 3 weeks.~* Patients on concurrent anticancer therapy.~* Patients with known, untreated brain metastasis~* Co-medication that may interfere with study results; e.g opioids~* Known hypersensitivity to any component of naltrexone~* Current or prior alcohol dependence~* Patients who could benefit from conventional therapy are not eligible.

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

Study Arms:
- Low Dose Naltrexone (Type: EXPERIMENTAL): LDN, 5 mg/day-(1 cycle = 28 days).

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