I-SPY TRIAL: Neoadjuvant and Personalized Adaptive Novel Agents to Treat Breast Cancer

Paclitaxel: 80 mg/m2 IV during the 12 weekly treatment cycles post randomization; Doxorubicin: 60 mg/m2 IV after completion of the 12 weekly treatment cycles and prior to surgery for weeks 13-16; Cyclophosphamide: 600 mg/m2 IV after completion of the 12 weekly treatment cycles and prior to surgery for weeks 13-16

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Arm is closed for Accrual. Pertuzumab: 840 mg IV (loading dose) week 1 and 420 mg every 3 weeks (weeks 4, 7, 10) post-randomization; Trastuzumab: 4 mg/kg (loading dose) week 1 and 2 mg/kg weekly (weeks 2-12) post-randomization

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Arm is closed. SGN-LIV1A: 2.5 mg/kg IV cycles 1,4,7,10 Doxorubicin + Cyclophosphamide: Cycles 13-16

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Arm is closed. SD-101: IT injection 2 mg/ml (1 ml for T2 tumors, 2 ml for \>T3 tumors) weekly x 4, then every 3 weeks x 2 cycles 1,2,3,4,7,10 Pembrolizumab: 200mg IV cycles 1,4,7,10 Paclitaxel: 80 mg/m2 IV cycles 1-12 Doxorubicin + Cyclophosphamide: Cycles 13-16; Doxorubicin: 60 mg/m2 IV Every 2 or 3 weeks for 4 cycles; Cyclophosphamide: 600 mg/m2 IV Every 2 or 3 weeks for 4 cycles

Arm is closed. Tucatinib: 300 mg PO BID 12 weeks CLOSED Tucatinib: 250 mg PO BID 12 weeks CLOSED Tucatinib adaptive: 150mg BID days 1-28, 250mg BID days 29-84 Trastuzumab: 4 mg/kg IV (loading dose) cycle 1; 2 mg/kg (thereafter) cycles 2-12 Pertuzumab: 840 mg IV (loading dose) cycle 1; 420 mg (thereafter) cycles 4, 7 and 10 Paclitaxel: 80 mg/m2 IV cycles 1-12 Doxorubicin + Cyclophosphamide: Cycles 13-16; Doxorubicin: 60 mg/m2 IV Every 2 or 3 weeks for 4 cycles; Cyclophosphamide: 600 mg/m2 IV Every 2 or 3 weeks for 4 cycles

Cemiplimab: 350 mg q3w X 12 weeks IV cycles 1,4,7,10 Paclitaxel: 80 mg/m2 IV cycles 1-12 Doxorubicin + Cyclophosphamide: Cycles 13-16; Doxorubicin: 60 mg/m2 IV Every 2 or 3 weeks for 4 cycles; Cyclophosphamide: 600 mg/m2 IV Every 2 or 3 weeks for 4 cycles

Arm is closed. Cemiplimab: 350 mg q3w X 12 weeks IV cycles 1,4,7,10 REGN 3767: 1600 mg q3W X 12 weeks IV cycles 1,4,7,10 Paclitaxel: 80 mg/m2 IV cycles 1-12 Doxorubicin + Cyclophosphamide: Cycles 13-16; Doxorubicin: 60 mg/m2 IV Every 2 or 3 weeks for 4 cycles; Cyclophosphamide: 600 mg/m2 IV Every 2 or 3 weeks for 4 cycles

Arm closed for accrual. Trilaciclib: 240 mg/m2 IV weekly cycle 1-16 Paclitaxel: 80 mg/m2 IV cycles 1-12 Doxorubicin + Cyclophosphamide: Cycles 13-16; Doxorubicin: 60 mg/m2 IV Every 2 or 3 weeks for 4 cycles; Cyclophosphamide: 600 mg/m2 IV Every 2 or 3 weeks for 4 cycles For HER2+: Pertuzumab: 840 mg IV (loading dose) week 1 and 420 mg every 3 weeks (weeks 4, 7, 10) post-randomization Trastuzumab: 4 mg/kg (loading dose) week 1 and 2 mg/kg weekly (weeks 2-12) post-randomization

Arm is closed. SYD985: 1.2 mg/kg IV (q3w x 12 weeks) cycles 1,4,7,10 Doxorubicin + Cyclophosphamide: Cycles 13-16; Doxorubicin: 60 mg/m2 IV Every 2 or 3 weeks for 4 cycles; Cyclophosphamide: 600 mg/m2 IV Every 2 or 3 weeks for 4 cycles

Arm is closed. For HER2+ Dostarlimab (TSR-042), 500 mg, IV, q3wks for wk 1, 4, 7, 10 Trastuzumab, 4 mg/kg cycle 1, then 2 mg/kg cycles 2-12 q1wk, IV, for wk1-12 Oral paclitaxel, 205 mg/m2, oral, daily for Three (3) days in a row each week for weeks 1-12 Oral encequidar, 15 mg, oral, daily for Three (3) days in a row each week for weeks 1-12 Carboplatin, AUC 1.5, IV, q1wk from wk1-12 Followed by Doxorubicin: 60 mg/m2, IV, every 2 or 3 weeks for 4 cycles Cyclophosphamide: 600 mg/m2, IV, every 2 or 3 weeks for 4 cycle For HER2- Dostarlimab (TSR-042), 500 mg, IV, q3wks for wk 1, 4, 7, 10 Oral paclitaxel, 205 mg/m2, oral, daily for Three (3) days in a row each week for weeks 1-12 Oral encequidar, 15 mg, oral, daily for Three (3) days in a row each week for weeks 1-12 Carboplatin, AUC 1.5, IV, q1wk from wk1-12 Followed by Doxorubicin: 60 mg/m2, IV, every 2 or 3 weeks for 4 cycles Cyclophosphamide: 600 mg/m2, IV, every 2 or 3 weeks for 4 cycle

Arm is closed. For HER2+ Dostarlimab (TSR-042), 500 mg, IV, q3wks for wk 1, 4, 7, 10 Trastuzumab, 4 mg/kg cycle 1, then 2 mg/kg cycles 2-12 q1wk, IV, for wk1-12 Oral paclitaxel, 205 mg/m2, oral, daily for Three (3) days in a row each week for weeks 1-12 Oral encequidar, 15 mg, oral, daily for Three (3) days in a row each week for weeks 1-12 Followed by Doxorubicin: 60 mg/m2, IV, every 2 or 3 weeks for 4 cycles Cyclophosphamide: 600 mg/m2, IV, every 2 or 3 weeks for 4 cycle For HER2- Dostarlimab (TSR-042), 500 mg, IV, q3wks for wk 1, 4, 7, 10 Oral paclitaxel, 205 mg/m2, oral, daily for Three (3) days in a row each week for weeks 1-12 Oral encequidar, 15 mg, oral, daily for Three (3) days in a row each week for weeks 1-12 Followed by Doxorubicin: 60 mg/m2, IV, every 2 or 3 weeks for 4 cycles Cyclophosphamide: 600 mg/m2, IV, every 2 or 3 weeks for 4 cycle

Arm is closed. Amcenestrant (SAR439859), 200mg QD, p.o., for 24 weeks.

Arm is closed. Amcenestrant (SAR439859), 200mg QD, p.o., for 24 weeks Abemaciclib (Verzenio), 150mg BID, p.o., for 24 weeks

Arm is closed. Amcenestrant (SAR439859), 200mg QD, p.o., for 24 weeks Letrozole (Femara), 2.5mg QD, p.o., for 24 weeks

Arm is closed. ARX788, 1.5 mg/kg Q3W, IV for 12 weeks

Arm is closed. ARX788, 1.5 mg/kg Q3W, IV for 12 weeks Cemiplimab, 350 mg Q3W, IV for 12 weeks

Arm is closed. VV1, 3x10\^9 TCID50 once (day-8), Intra-tumoral injection Cemiplimab, 350 mg Q3W, IV for 12 weeks

Arm is closed. Dato-DXd, 6 mg/kg Q3W, IV for 12 weeks

Arm is closed. Dato-DXd, 6 mg/kg Q3W, IV for 12 weeks Durvalumab, 1120 mg Q3W, IV for 12 weeks

Zanidatamab: IV Infusion at a 2-tiered flat dose. 1,800mg (\<70 kg) and 2400mg (≥70 kg). Neoadjuvant doing of zanidatamab: The initial dose will be administered on Cycle 1 Day 1, with Cycle 2 Day 1 occurring 14 days thereafter, followed by subsequent dosing every 3 weeks (Q3W) for a total of up to 5 doses in block A, up to 4 doses Block B, up to 5 doses Block C. Adjuvant dosing of zanidatamab: Administered every 3 weeks (Q3W) for a total of 1 year of HER2 based therapy. The total number of adjuvant weeks will be dependent on the number of weeks of exposure of zanidatamab in Blocks A, B, and C.

Arm is closed. Lasofoxifene: 5.0 mg QD, p.o., for 24 weeks

Arm is closed. Z-endoxifen: 10 mg QD, p.o., for 24 weeks

Arm is closed. ARV-471: 200 mg QD, p.o, for 24 weeks.

Arm is closed. ARV-471: 200 mg QD, p.o, for 24 weeks Letrozole: 2.5 mg QD, p.o, for 24 weeks

Arm is closed. ARV-471: 200 mg QD, p.o, for 24 weeks Abemaciclib: 150 mg BID, p.o, for 24 weeks

Z-endoxifen: 80 mg QD, p.o., for 24 weeks Abemaciclib: 150 mg BID, p.o, for 20 weeks

Arm closed to accrual Rilvegostomig: 750mg IV Q3W for 12 weeks TDXd: 5.4 mg/kg IV Q3W for 12 weeks

Arm is closed. DAN222: 8mg/m2 IV QW for 12 weeks Niraparib: 200mg QD p.p., 12 weeks

Arm is closed to accrual. Sarilumab: 200mg Subcutaneous injection Q2W for 12 weeks Cemiplimab: 350mg IV Q3W for 12 weeks Paclitaxel: 80 mg/m2 IV QW for 12 weeks

Arm is open for accrual. Route: Intravenous infusion Dosage Form: 4.8 mg/kg intravenous Q3W for injection. Will receive a max of 12 weeks.

Arm is open for accrual. GSK 5733584 Route: Intravenous Infusion Dosage Form: 4.8 mg/kg intravenous Q3W for injection x 12 weeks max. Dostarlimab Route: Intravenous Infusion Dosage Form: 500 mg fixed dose intravenous Q3W for infusion x 12 weeks max.