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. 2024 Nov 13;29(22):5334. doi: 10.3390/molecules29225334

Table 1.

Selected clinical trials with therapy related to HR+/HER2 breast cancer based on palbociclib and letrozole according to the Clinicaltrials.gov database.

NCT Number Phase Status Conditions Sponsor/Study Start Intervention Literature
NCT00721409 (PALOMA-1/TRIO-18) I/II completed ER+/HER2 ABC Pfizer/2008 letrozole,
palbociclib
[33]
NCT01684215 I/II completed Japanese postmenopausal women with ER+/HER2 ABC Pfizer/2012 letrozole,
palbociclib
[36,37]
NCT01740427 (PALOMA-2) III completed postmenopausal women with ER+/HER2 ABC Pfizer/2013 letrozole,
palbociclib,
placebo
[34]
NCT02297438 (PALOMA-4) III active, not recruiting Asian postmenopausal women with ER+/HER2 ABC Pfizer/2015 letrozole,
palbociclib,
placebo
[35]
NCT02296801
(PALLET)
II completed ER+ EBC NSABP Foundation Inc./2015 letrozole,
palbociclib
[38]
NCT02600923 III completed postmenopausal women with HR+/HER2 BC Pfizer/2015 letrozole,
palbociclib
[39]
NCT02679755 IV completed postmenopausal women with HR+/HER2 BC Pfizer/2016 letrozole,
palbociclib
[40]
NCT02764541 (PELOPS) II active, not recruiting HR+ early-stage BC Dana-Farber Cancer Institute/2016 letrozole,
tamoxifen, palbociclib
NCT02907918 (PALTAN) II terminated HR+/HER2+ early-stage BC Washington University School of Medicine/2017 letrozole,
trastuzumab,
gorselin, palbociclib
[41]
NCT03633331 II active, not recruiting HR+/HER2 MBC Alliance for Clinical Trials in Oncology/2018 letrozole,
fulvestrant, palbociclib
[42]

BC, breast cancer; ABC, advanced breast cancer; EBC, early breast cancer; MBC, metastatic breast cancer.