Please assess the completion status of the following clinical trial:

Trial Title: Phase 1b/2, Multicenter, Open-label Study of Oprozomib and Dexamethasone in Patients With Relapsed and/or Refractory Multiple Myeloma

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE1/PHASE2
- Number of Arms: 9.0

Eligibility Criteria:
Key Inclusion Criteria:~1. Diagnosis of multiple myeloma with measureable disease as indicated by 1 or more of the following:~   * a. Serum M-protein ≥ 500 mg/dL~  * b. Urine M-protein ≥ 200 mg/24 hours~  * c. Only for subjects without measurable serum and urine M-protein, serum free light chain: Involved free light chain (FLC) level ≥ 10 mg/dL, provided serum FLC ratio is abnormal~2. Patients requiring therapy who have relapsed and/or are refractory to their last therapy and have been treated with at least 1, but not more than 5, lines of multiple myeloma therapy. Prior therapy must have consisted of at least 1 regimen that included lenalidomide and/or bortezomib. Patients should be considered to be appropriate candidates for a clinical study by their treating physicians. Relapsed patients must have previously achieved ≥ minimal response (MR) on at least 1 line of therapy, as assessed by the treating physician. Refractory patients are allowed, but it is not required that patients be refractory to their last therapy. Primary refractory patients are allowed in the Phase 1b portion of the study only.~3. Males and females ≥ 18 years of age~4. Eastern Cooperative Oncology Group Performance Status (ECOG PS) 0-2~5. Adequate hepatic function, with bilirubin ≤ 1.5 times the upper limit of normal (ULN) in the absence of Gilbert's disease or hemolysis, aspartate aminotransferase (AST) ≤ 3 times ULN, and alanine aminotransferase (ALT) ≤ 3 times ULN~6. Absolute neutrophil count (ANC) ≥ 1000 cells/mcL, hemoglobin ≥ 7.0 g/dL, and platelet count ≥ 30,000 cells/mcL:~   * a. Patients must not have received platelet transfusions for at least 1 week prior to Screening.~  * b. Screening ANC must be independent of granulocyte colony-stimulating factor and granulocyte-macrophage colony-stimulating factor (G-CSF and GM-CSF) support for at least 1 week and of pegylated G-CSF for~     ≥ 2 weeks prior to first dose.~  * c. Patients may receive red blood cell (RBC) transfusions or receive supportive care with erythropoietin or darbepoetin in accordance with institutional guidelines.~7. Calculated or measured creatinine clearance (CrCl) of ≥ 30 mL/minute calculated using the formula of Cockcroft and Gault (\[140 - Age\] \* Mass (kg) / \[72 \* creatinine mg/mL\]). Multiply result by 0.85 if female.~8. Uric acid, if elevated, must be corrected to within laboratory normal range before dosing.~9. Patients must sign a written informed consent form in accordance with federal, local, and institutional guidelines.~10. Female patients of childbearing potential must have a negative serum or urine pregnancy test within 3 days prior to receiving the first dose of study drug and agree to use effective methods of contraception during the study and for 3 months following the last dose of study drug. Postmenopausal females (\> 45 years old and without menses for \> 1 year) and surgically sterilized females are exempt from these requirements. Male patients must use an effective barrier method of contraception during the study and for 3 months following the last dose if sexually active with a female of childbearing potential.~11. Prior carfilzomib is not required but is allowed if a patient had at least 2 cycles of carfilzomib alone or in combination with a dose of at least 20/27 mg/m\^2, as long as the patient:~    * a. Had at least a partial response to prior carfilzomib therapy~   * b. Was not removed from carfilzomib therapy due to toxicity, unless approved by the medical monitor~   * c. Was not removed from carfilzomib therapy for progressive disease nor experienced progressive disease within 6 months after any prior carfilzomib therapy.~Key Exclusion Criteria:~1. Radiation therapy within 2 weeks prior to first dose; localized radiation therapy within 1 week prior to first dose~2. Immunotherapy/standard myeloma therapy within 2 weeks prior to first dose (except for antibody therapy, where 6 weeks are required, and alkylator therapy, where 3 weeks are required); prior stem cell transplant (SCT) therapy (autologous SCT within the prior 8 weeks; allogeneic SCT within the prior 16 weeks). Patients with prior allogeneic SCT should not have evidence of moderate-to-severe graft-versus-host disease (GvHD).~3. Plasmapheresis is not permitted at any time during the Screening period or while the subject is receiving study treatment. If a subject has started screening procedures requiring plasmapheresis, or is anticipated to require plasmapheresis during or after the Screening period, this patient will be considered ineligible and should not be enrolled.~4. Glucocorticoid therapy within 14 days prior to enrollment that exceeds a cumulative dose of 160 mg of dexamethasone or equivalent~5. Participation in an investigational therapeutic study within 3 weeks prior to first dose~6. Prior oprozomib exposure~7. Known hypersensitivity/toxicity or intolerance to dexamethasone~8. Major surgery within 3 weeks prior to first dose~9. Congestive heart failure (\[CHF\] New York Heart Association Class III to IV), symptomatic ischemia, conduction abnormalities uncontrolled by conventional intervention, or myocardial infarction within 6 months prior to first dose~10. Uncontrolled hypertension or uncontrolled diabetes~11. Active infection requiring systemic antibiotics, antivirals, or antifungals within 2 weeks prior to first dose~12. Known or suspected human immunodeficiency virus (HIV) infection or patients who are HIV seropositive~13. Active hepatitis A, B, or C infection~14. History of previous clinically significant GI bleed in the last 6 months prior to first dose~15. Significant neuropathy (Grade 3, Grade 4, or Grade 2 with pain) at the time of the first dose~16. Other malignancy within the past 3 years, with the exception of adequately treated basal cell carcinoma of the skin, squamous cell skin cancer, thyroid cancer, carcinoma in situ of the cervix, carcinoma in situ of the breast, prostate cancer of Gleason Score of 6 or less with stable prostate specific antigen levels, or cancer considered cured by surgical resection~17. Plasma cell leukemia~18. Female patients who are pregnant or nursing~19. Inability to swallow medication, inability or unwillingness to comply with the drug administration requirements, or GI condition that could interfere with the oral absorption or tolerance of treatment~20. Any contraindication to oral hydration (e.g., significant preexisting comorbidity or fluid restriction)~21. Any clinically significant psychiatric or medical condition that in the opinion of the investigator could increase patient risk or interfere with protocol adherence or a patient's ability to give informed consent.

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

Study Arms:
- Cohort 180 mg 5/14 Schedule (Phase 1b) (Type: EXPERIMENTAL): Oprozomib 180 mg treatment once daily for 5 consecutive days bimonthly (days 1, 2, 3, 4, and 5 of a 14-day cycle) with 20 mg dexamethasone once daily on days 1, 2, 8, and 9 (referred to as the 5/14 schedule). Treatment was administered in 14-day cycles until disease progression, unacceptable toxicity, or study treatment discontinuation for any reason.
- Cohort 210 mg 5/14 Schedule (Phase 1b) (Type: EXPERIMENTAL): Oprozomib 210 mg treatment once daily for 5 consecutive days bimonthly (days 1, 2, 3, 4, and 5 of a 14-day cycle) with 20 mg dexamethasone once daily on days 1, 2, 8, and 9 (referred to as the 5/14 schedule). Treatment was administered in 14-day cycles until disease progression, unacceptable toxicity, or study treatment discontinuation for any reason.~This was the first cohort to enroll participants into the 5/14 schedule. The Cohort Safety Review Committee (CSRC) reviewed safety data and made dose adjustments for oprozomib in 30 mg increments for all cohorts.
- Cohort 150/180 mg 5/14 Schedule (Phase 1b) (Type: EXPERIMENTAL): Oprozomib 150 mg once daily treatment for 5 consecutive days (days 1, 2, 3, 4, and 5 of a 14-day cycle) followed by a step-up in oprozomib once daily dose to 180 mg starting in cycle 2 and moving forward. Dexamethasone 20 mg once daily was administered on days 1, 2, 8, and 9 of each 14-day cycle. Treatment was administered in 14-day cycles until disease progression, unacceptable toxicity, or study treatment discontinuation for any reason.
- Cohort 210 mg 2/7 Schedule (Phase 1b) (Type: EXPERIMENTAL): Oprozomib 210 mg once daily on Days 1, 2, 8, and 9 of a 14-day treatment cycle in combination with 20 mg dexamethasone once daily on Days 1, 2, 8, and 9 of a 14-day cycle. Treatment was administered in 14-day cycles until disease progression, unacceptable toxicity, or study treatment discontinuation for any reason.~This was the first cohort to enroll participants into the 2/7 schedule. The Cohort Safety Review Committee (CSRC) reviewed safety data and made dose adjustments for oprozomib in 30 mg increments for all cohorts.
- Cohort 240 mg 2/7 Schedule (Phase 1b) (Type: EXPERIMENTAL): Oprozomib 240 mg once daily on Days 1, 2, 8, and 9 of a 14-day treatment cycle in combination with 20 mg dexamethasone once daily on Days 1, 2, 8, and 9 of a 14-day cycle. Treatment was administered in 14-day cycles until disease progression, unacceptable toxicity, or study treatment discontinuation for any reason.
- Cohort 270 mg 2/7 Schedule (Phase 1b) (Type: EXPERIMENTAL): Oprozomib 270 mg once daily on Days 1, 2, 8, and 9 of a 14-day treatment cycle in combination with 20 mg dexamethasone once daily on Days 1, 2, 8, and 9 of a 14-day cycle. Treatment was administered in 14-day cycles until disease progression, unacceptable toxicity, or study treatment discontinuation for any reason.
- Cohort 300 mg 2/7 Schedule (Phase 1b) (Type: EXPERIMENTAL): Oprozomib 300 mg once daily on Days 1, 2, 8, and 9 of a 14-day treatment cycle in combination with 20 mg dexamethasone once daily on Days 1, 2, 8, and 9 of a 14-day cycle. Treatment was administered in 14-day cycles until disease progression, unacceptable toxicity, or study treatment discontinuation for any reason.
- Cohort 330 mg 2/7 Schedule (Phase 1b) (Type: EXPERIMENTAL): Oprozomib 330 mg once daily on Days 1, 2, 8, and 9 of a 14-day treatment cycle in combination with 20 mg dexamethasone once daily on Days 1, 2, 8, and 9 of a 14-day cycle. Treatment was administered in 14-day cycles until disease progression, unacceptable toxicity, or study treatment discontinuation for any reason.
- Phase 2 300 mg 2/7 Schedule (Type: EXPERIMENTAL): The Cohort Safety Review Committee (CSRC) determined this dose as the recommended phase 2 dose (RP2D). Oprozomib 300 mg once daily on Days 1, 2, 8, and 9 of a 14-day treatment cycle in combination with 20 mg dexamethasone once daily on Days 1, 2, 8, and 9 of a 14-day cycle. Treatment was administered in 14-day cycles until disease progression, unacceptable toxicity, or study treatment discontinuation for any reason.

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