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Clinical trial · no report yet · Phase 3

NATALEE

A Trial to Evaluate Efficacy and Safety of Ribociclib With Endocrine Therapy as Adjuvant Treatment in Patients With HR+/HER2- Early Breast Cancer

  • NCT03701334 ↗
  • Active not recruiting
  • Novartis Pharmaceuticals
  • 502 commentary sources found
  • Deep

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.

Commentary we found

Podcasts, YouTube videos and X posts in our index that name this trial. A report screens them, searches for more and cites what clinicians said when it is built.

ChannelFound
X threads329
YouTube100
Podcasts69
X videos4

The trial

ClinicalTrials.gov
Official title
A Phase III Multi-center, Randomized, Open-label Trial to Evaluate Efficacy and Safety of Ribociclib With Endocrine Therapy as an Adjuvant Treatment in Patients With Hormone Receptor-positive, HER2-negative Early Breast Cancer (New Adjuvant TriAl With Ribociclib [LEE011]: NATALEE)
Phase
Phase 3
Status
Active not recruiting
Conditions
Early Breast Cancer
Interventions
Ribociclib; Endocrine Therapy (ET)
Arms
  • Ribociclib + Endocrine Therapy (ET) · Experimental
  • Endocrine Therapy (ET) · Active comparator
Enrollment
5,101
Primary outcomes
  • Invasive Disease-Free Survival (iDFS)
Sponsor
Novartis Pharmaceuticals with Translational Research in Oncology
Start
Dec 7, 2018
Primary completion
May 29, 2030 (estimated)
Results posted
No
Registry record
NCT03701334 · updated Oct 9, 2026

Publications

linked from the registry
  • Ji Y, Wang C, Combes FP, Ho YY, Fasching PA, Untch M, Zarate JP, Crown J. Quantitative Pharmacology Justifying Ribociclib Dose in Early Breast Cancer. Clin Pharmacokinet. 2026 Aug;65(8):1217-1228. doi: 10.1007/s40262-026-01643-3. Epub 2026 Jun 23. PubMed 42334791
  • Fasching PA, Stroyakovskiy D, Yardley DA, Huang CS, Crown J, Bardia A, Chia S, Im SA, Martin M, Xu B, Loi S, Barrios C, Untch M, Moroose R, Visco F, Hortobagyi GN, Slamon DJ, Fresco R, Zarate JP, Li Z, Waters S, Hurvitz SA. Ribociclib Plus Endocrine Therapy in Hormone Receptor-Positive/ERBB2-Negative Early Breast Cancer: 4-Year Outcomes From the NATALEE Randomized Clinical Trial. JAMA Oncol. 2025 Nov 1;11(11):1364-1372. doi: 10.1001/jamaoncol.2025.3700. PubMed 40996773
  • Slamon D, Lipatov O, Nowecki Z, McAndrew N, Kukielka-Budny B, Stroyakovskiy D, Yardley DA, Huang CS, Fasching PA, Crown J, Bardia A, Chia S, Im SA, Ruiz-Borrego M, Loi S, Xu B, Hurvitz S, Barrios C, Untch M, Moroose R, Visco F, Afenjar K, Fresco R, Severin I, Ji Y, Ghaznawi F, Li Z, Zarate JP, Chakravartty A, Taran T, Hortobagyi G. Ribociclib plus Endocrine Therapy in Early Breast Cancer. N Engl J Med. 2024 Mar 21;390(12):1080-1091. doi: 10.1056/NEJMoa2305488. PubMed 38507751
  • Slamon DJ, Fasching PA, Hurvitz S, Chia S, Crown J, Martin M, Barrios CH, Bardia A, Im SA, Yardley DA, Untch M, Huang CS, Stroyakovskiy D, Xu B, Moroose RL, Loi S, Visco F, Bee-Munteanu V, Afenjar K, Fresco R, Taran T, Chakravartty A, Zarate JP, Lteif A, Hortobagyi GN. Rationale and trial design of NATALEE: a Phase III trial of adjuvant ribociclib + endocrine therapy versus endocrine therapy alone in patients with HR+/HER2- early breast cancer. Ther Adv Med Oncol. 2023 May 29;15:17588359231178125. doi: 10.1177/17588359231178125. eCollection 2023. PubMed 37275963