Please assess the completion status of the following clinical trial:

Trial Title: Nab-paclitaxel Plus PD-1 Inhibitor Versus Nab-paclitaxel As Second-line Treatment in Advanced Gastric Cancer

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

Eligibility Criteria:
Inclusion Criteria:~1. Age of 18-70 years.~2. Second line treatment for cytological or histological diagnosis of recurrent or metastatic gastric and esophagogastric adenocarcinoma. Disease progression after adjuvant therapy within 6 months is eligible.~3. ECOG performance status of 0-2.~4. Estimated life expectancy of at least 3 months.~5. Bone marrow function: white blood cell count≥3.0×109 /L, absolute neutrophil count(ANC) ≥1.5×109 /L, platelet count(PLT) ≥90×109 /L, hemoglobin(HB) ≥90 g/L.~6. Left ventricular ejection fraction (LVEF) ≥ 50%.~7. Liver and kidney function: Creatinine(Cr)≤1.5 x upper limit of normal range(ULN); alanine glutamate transaminase (ALT) and glutamate transaminase (AST) ≤2.5 x upper limit of normal range (ULN), or ≤5 x upper limit of normal range (ULN)when with hepatic metastases，total bilirubin (TBIL)≤1.5 x upper limit of normal range (ULN), or≤2.5 x upper limit of normal range (ULN) when with Gilbert's syndrome.~8. Any acute, clinically significant treatment-related toxicity caused by previous treatment must have been reduced to less than or equal to grade 1, except hair loss.~9. Able and willing to comply with the study plans in this protocol and sign the informed consent.~Exclusion Criteria:~1. uncontrollable infections or have received systematic antibiotic treatment within 72 hours before enrollment.~2. Any abnormal bone marrow hyperplasia or other abnormal hematopoietic function.~3. Have a second malignancy within 5 years prior to registration except for cured carcinoma in situ of cervix uteri, non-melanoma skin cancer.~4. Patients with symptomatic brain metastases.~5. Allergic to the chemotherapy drugs or the materials in this study.~6. Suffering from mental or nervous system disorders and unable to cooperate.~7. Pregnant or nursing female patients. Men and women of reproductive age are unwilling to take reliable contraceptive measures during the study.~8. Active autoimmune disease, history of autoimmune disease, use of corticosteroids or immunosuppressants, or use of hormone replacement therapy, such as thyroxine, insulin, etc.~9. Live vaccine was administered within 30 days before enrolment (injectable seasonal influenza vaccine is allowed as it is inactivated).~10. Patients with other diseases not suitable for enrolment, such as active tuberculosis, hepatitis B (after treatment, hepatitis B virus titer HBV-DNA \<500IU/ml, and liver function is normal, but cannot be combined with hepatitis C), hepatitis C, uncontrolled electrolyte disorders ,pericardial effusion, pleural effusion and abdominal effusion, etc.~11. Have participated in other clinical trials within 30 days prior to this study.~12. History of organ transplantation.~13. Patients that researcher consider cannot sign informed consent or complete the study.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 70 Years
- Healthy Volunteers: f

Study Arms:
- Nab-P/PD-1 (Type: EXPERIMENTAL): Patients in this arm receive albumin-bound paclitaxel and SHR-1210 (PD-1 inhibitor) thepary.
- Nab-P (Type: ACTIVE_COMPARATOR): Patients in this arm receive albumin-bound paclitaxel single-agent chemotherapy.

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