Patients must have recovered from adverse events (toxicities resolved to grade 1 or less) of prior therapy; patients with immune related toxicities from ipilimumab + nivolumab may continue onto Step 2 even if still on steroids to control side effects, so long as toxicity has resolved to grade 1 or less All non-hematologic treatment related toxicities that are deemed clinically significant by the treating investigator must have resolved to =< grade 2 Registration Step 3 – Maintenance: All non-hematologic treatment related toxicities that are deemed clinically significant by the treating investigator must have resolved to =< grade 2 Treatment with chemotherapy or investigational drugs within 21 days prior to the screening visit. Acute toxicities from prior therapy must have resolved to Grade ? 1 above baseline. Adverse events from prior anti-cancer therapy resolved to Grade < or = 1, except any grade alopecia and/or peripheral sensory or motor neuropathy which must have resolved to Grade < or = 2 All ACT related toxicities resolved to grade 1 with the exception of alopecia, vitiligo and endocrine abnormalities requiring replacement therapy which may be grade 2 Major surgery or treatment with any chemotherapy, radiation therapy, biologics for cancer or investigational therapy in the 28 days before the first dose of study treatment (subjects with prior cytotoxic or investigational products <3 weeks prior to study treatment might be eligible after discussion between the Investigator and Medical Monitor, if toxicities from the prior treatment have been resolved to NCI CTCAE Grade 1). All toxicities attributed to prior anti-cancer therapy other than alopecia and fatigue must have resolved to Grade 1 or baseline before the first dose of study treatment. Subjects with toxicities attributed to prior anti-cancer therapy which are not expected to resolve and result in long lasting sequelae, such as neuropathy after platinum based therapy, are permitted to enrol Acute toxicities from any prior anti-tumor therapy, surgery, or radiotherapy that has not resolved to Grade = 2 toxicities other than alopecia from prior therapy have resolved by the time of study commencement Toxicities from prior therapies that have not resolved to grade 1 or grade 0 ELIGIBILITY FOR TREATMENT ON ARM 1: Patients treated with prior immunotherapy including and not limited to vaccines, cytokines, T cell stimulating agents, cytotoxic T lymphocyte antigen 4 (CTLA4) inhibitors and programmed death (PD)-1 check point inhibitors are allowed on therapy provided they did not have any severe grade 4 toxicities due to prior therapy and any toxicities due to prior therapy should have resolved, if resolvable to less than or equal to grade 1 Any Grade 3 or 4 toxicities (according to NCI CTCAE) resolved for at least 2 weeks prior to first treatment PART B: Previous treatment related side-effects/adverse events must have resolved to at least grade 1 or, at the discretion of the investigator, select stable grade 2 toxicities (e.g. alopecia or fatigue) may be permissible if unchanging in grade for at least 3 months following discussion with the principal investigator (PI) Prior adjuvant therapy for CRC including fluoropyrimidines either alone or in combination with oxaliplatin is allowed, provided that all therapy was completed >= 12 months from cancer recurrence, therapy duration was =< 6 months, and all prior toxicities have completely resolved (residual grade 1 neuropathy is allowed) Prior radiation to sites other than the brain is allowed, if completed at least 2 weeks before treatment and provided that all radiation-related toxicities have resolved to =< grade 1 Unresolved toxicities from prior therapy with the exception of alopecia that have not resolved to ? Grade 1 at the time of starting study treatment Patients are permitted to have been treated with previous systemic chemotherapy; a minimal time interval since last dose of cytotoxic chemotherapy must be equal to or greater than 21 days, and all acute toxicities should be resolved to less than grade 2, and hematologic counts should meet study criteria; with regards to toxicity, patients who have left sided chest wall recurrences should not have previously exceeded more than 450 mg/m^2 doxorubicin due to expected cumulative cardiotoxicity; prior taxane therapy is allowed, however, there should be no reported anaphylactic reactions of grade 3 or higher 9. All prior cytotoxic toxicities must have resolved to grade ? 1 prior to randomization. Has unresolved toxicities from prior anti-cancer therapies, defined as toxicities (chemotherapy, hormonal treatment, radiation, and/or surgery) not yet resolved to NCI-CTCAE, v4, Grade <= 1 or baseline; other than alopecia, skin toxicity (Grade 1), according to NCI-CTCAE, v4. Subjects with chronic Grade 2 toxicities may be eligible per the discretion of the Investigator and Sponsor (e.g., Grade 2 chemotherapy-induced peripheral neuropathy). Should be off any active therapy for AML with the exception of hydroxyurea for at least 14 days prior to study registration unless patient has rapidly progressive disease, and all grade 2-4 non-hematologic toxicities should have resolved Clinically significant toxicities from prior chemotherapy must be resolved to Grade ? Prior chemotherapy or surgery must have been completed at least 28 days prior to registration, and all toxicities must have resolved No limit to prior therapies with last anti-cancer treatment >= 2 weeks from initiation of protocol-based therapy provided all toxicities (other than alopecia) have resolved to =< grade 1 or baseline All acute toxicities related to prior therapy must have resolved prior to study entry, except for alopecia and mild neuropathy All prior treatment related non-hematologic toxicities (with the exception of alopecia) must have resolved to CTCAE (Version 4.0) ? Grade 2 at the time of randomization. All previous therapy-related toxicities must have resolved or return to baseline. All previous treatment (including surgery, radiotherapy and systemic anti-neoplastic therapy) must have been completed at least three weeks prior to study entry and any acute toxicities must have resolved Unresolved toxicities from previous anticancer therapy, defined as toxicities (other than alopecia) not yet resolved to Grade ? 1 or baseline. Subjects with chronic Grade 2 toxicities may be eligible per the discretion of the Investigator after consultation with the Sponsor Medical Monitor or designee (eg, Grade 2 chemotherapy-induced neuropathy).