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Clinical trial · no report yet · Phase 3

PALLAS

PALbociclib CoLlaborative Adjuvant Study

We haven't built a report for this trial yet. This page shows the registry record and the public commentary we found that names the trial. A report reads that commentary and sets out what clinicians said about the trial, each point linked to its source. How reports are made.

Preliminary discovery

Commentary in our index that names this trial so far

Podcasts, YouTube videos and X posts we have indexed. A report screens them, searches for more and cites what clinicians said when it is built, so final coverage is set at build.

ChannelFound
X threads58
YouTube30
Podcasts18

The trial

ClinicalTrials.gov
Official title
PALbociclib CoLlaborative Adjuvant Study: A Randomized Phase III Trial of Palbociclib With Standard Adjuvant Endocrine Therapy Versus Standard Adjuvant Endocrine Therapy Alone for Hormone Receptor Positive (HR+) / Human Epidermal Growth Factor Receptor 2 (HER2)-Negative Early Breast Cancer
Phase
Phase 3
Status
Active, not recruiting
Conditions
Breast Cancer
Interventions
Palbociclib; Standard Adjuvant Endocrine Therapy
Arms
  • Arm A · Experimental
  • Arm B · Other
Enrollment
5,796
Primary outcomes
  • Invasive Disease Free Survival (iDFS)
Sponsor
Alliance Foundation Trials, LLC. with Austrian Breast & Colorectal Cancer Study Group, NSABP Foundation Inc, PrECOG, LLC., Breast International Group, Pfizer
Start
Aug 2015
Primary completion
Nov 2020
Results posted
Yes
Registry record
NCT02513394 · updated Jun 15, 2026

Publications

linked from the registry
  • Shinn E, Zahrieh D, DeMichele A, Zdenkowski N, Lemieux J, Mao J, Bjelic-Radisic V, Naughton MJ, Pfeiler G, Gelmon K, Balko JM, Egle D, Zoppoli G, Traina T, Jimenez MM, Novoa SA, Haddad T, Chan A, Ring A, Wolff A, Symmans WF, Ponce Lorenzo J, Sabanathan D, Burstein HJ, Nowecki ZI, Pristauz-Telsnigg G, Brufsky A, Bellet-Ezquerra M, Foukakis T, Novik Y, Rubovszky G, Singer CF, Muehlbacher K, Filho OM, Goulioti T, Law E, Partridge AH, Carey LA, Zoroufy A, Hlauschek D, Fesl C, Mayer EL, Gnant M. Impact of adding palbociclib on treatment adherence to ongoing adjuvant endocrine treatment in the global randomized PALLAS randomized trial in patients with early breast cancer. Breast Cancer Res Treat. 2025 Jun;211(2):385-397. doi: 10.1007/s10549-025-07653-2. Epub 2025 Mar 27. PubMed 40140172
  • DeMichele A, Dueck AC, Hlauschek D, Martin M, Burstein H, Pfeiler G, Zdenkowski N, Wolff A, Bellet-Ezquerra M, Winer E, Balic M, Miller K, Colleoni M, Lake D, Rubovsky G, Cameron D, Balko J, Singer CF, Nowecki Z, Iwata H, Wolmark N, Parraga KA, Rugo H, Steger GG, Traina T, Werutsky G, Czajkowska D, Metzger O, El-Abed S, Theall KP, Lu RD, O'Brien P, Fesl C, Mayer E, Gnant M. Outcomes in stage IIA versus stage IIB/III in the PALLAS trial [ABCSG-42/AFT-05/PrE0109/BIG-14-13]). Breast Cancer Res. 2025 Jan 23;27(1):12. doi: 10.1186/s13058-024-01941-3. PubMed 39849600
  • Pfeiler G, Hlauschek D, Mayer EL, Deutschmann C, Kacerovsky-Strobl S, Martin M, Meisel JL, Zdenkowski N, Loibl S, Balic M, Park H, Prat A, Isaacs C, Bajetta E, Balko JM, Bellet-Ezquerra M, Bliss J, Burstein H, Cardoso F, Fohler H, Foukakis T, Gelmon KA, Goetz M, Haddad TC, Iwata H, Jassem J, Lee SC, Linderholm B, Los M, Mamounas EP, Miller KD, Morris PG, Munzone E, Gal-Yam EN, Ring A, Shepherd L, Singer C, Thomssen C, Tseng LM, Valagussa P, Winer EP, Wolff AC, Zoppoli G, Machacek-Link J, Schurmans C, Huang X, Gauthier E, Fesl C, Dueck AC, DeMichele A, Gnant M; PALLAS Groups and Investigators. Impact of BMI in Patients With Early Hormone Receptor-Positive Breast Cancer Receiving Endocrine Therapy With or Without Palbociclib in the PALLAS Trial. J Clin Oncol. 2023 Nov 20;41(33):5118-5130. doi: 10.1200/JCO.23.00126. Epub 2023 Aug 9. PubMed 37556775
  • Mayer EL, Fesl C, Hlauschek D, Garcia-Estevez L, Burstein HJ, Zdenkowski N, Wette V, Miller KD, Balic M, Mayer IA, Cameron D, Winer EP, Ponce Lorenzo JJ, Lake D, Pristauz-Telsnigg G, Haddad TC, Shepherd L, Iwata H, Goetz M, Cardoso F, Traina TA, Sabanathan D, Breitenstein U, Ackerl K, Metzger Filho O, Zehetner K, Solomon K, El-Abed S, Theall KP, Lu DR, Dueck A, Gnant M, DeMichele A. Treatment Exposure and Discontinuation in the PALbociclib CoLlaborative Adjuvant Study of Palbociclib With Adjuvant Endocrine Therapy for Hormone Receptor-Positive/Human Epidermal Growth Factor Receptor 2-Negative Early Breast Cancer (PALLAS/AFT-05/ABCSG-42/BIG-14-03). J Clin Oncol. 2022 Feb 10;40(5):449-458. doi: 10.1200/JCO.21.01918. Epub 2022 Jan 7. PubMed 34995105
  • Gnant M, Dueck AC, Frantal S, Martin M, Burstein HJ, Greil R, Fox P, Wolff AC, Chan A, Winer EP, Pfeiler G, Miller KD, Colleoni M, Suga JM, Rubovsky G, Bliss JM, Mayer IA, Singer CF, Nowecki Z, Hahn O, Thomson J, Wolmark N, Amillano K, Rugo HS, Steger GG, Hernando Fernandez de Aranguiz B, Haddad TC, Perello A, Bellet M, Fohler H, Metzger Filho O, Jallitsch-Halper A, Solomon K, Schurmans C, Theall KP, Lu DR, Tenner K, Fesl C, DeMichele A, Mayer EL; PALLAS groups and investigators. Adjuvant Palbociclib for Early Breast Cancer: The PALLAS Trial Results (ABCSG-42/AFT-05/BIG-14-03). J Clin Oncol. 2022 Jan 20;40(3):282-293. doi: 10.1200/JCO.21.02554. Epub 2021 Dec 7. PubMed 34874182
  • Mayer EL, Dueck AC, Martin M, Rubovszky G, Burstein HJ, Bellet-Ezquerra M, Miller KD, Zdenkowski N, Winer EP, Pfeiler G, Goetz M, Ruiz-Borrego M, Anderson D, Nowecki Z, Loibl S, Moulder S, Ring A, Fitzal F, Traina T, Chan A, Rugo HS, Lemieux J, Henao F, Lyss A, Antolin Novoa S, Wolff AC, Vetter M, Egle D, Morris PG, Mamounas EP, Gil-Gil MJ, Prat A, Fohler H, Metzger Filho O, Schwarz M, DuFrane C, Fumagalli D, Theall KP, Lu DR, Bartlett CH, Koehler M, Fesl C, DeMichele A, Gnant M. Palbociclib with adjuvant endocrine therapy in early breast cancer (PALLAS): interim analysis of a multicentre, open-label, randomised, phase 3 study. Lancet Oncol. 2021 Feb;22(2):212-222. doi: 10.1016/S1470-2045(20)30642-2. Epub 2021 Jan 15. PubMed 33460574
  • Dieras V, Rugo HS, Schnell P, Gelmon K, Cristofanilli M, Loi S, Colleoni M, Lu DR, Mori A, Gauthier E, Huang Bartlett C, Slamon DJ, Turner NC, Finn RS. Long-term Pooled Safety Analysis of Palbociclib in Combination With Endocrine Therapy for HR+/HER2- Advanced Breast Cancer. J Natl Cancer Inst. 2019 Apr 1;111(4):419-430. doi: 10.1093/jnci/djy109. PubMed 30032196