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Brief Title: Fasting Mimicking Diet Program to ImpRovE ChemoTherapy in Hormone Receptor Postive (HR+), HER2- Breast Cancer
Official Title: DIRECT-2: Fasting Mimicking Diet Program to ImpRovE ChemoTherapy in HR+, HER2- Breast Cancer
Study ID: NCT05503108
Brief Summary: In preclinical research, short-term fasting (STF) protects tumor-bearing mice against the toxic effects of chemotherapy, improves the CD8+ effector T-cell intratumor infiltration, while enhancing the chemotherapy efficacy. Short-term use of a "fasting-mimicking diet" (FMD) caused a major increase in the efficacy of cancer treatment in mice comparable to STF. In humans, the investigators recently performed a multicenter randomized phase II trial showing that patients with Human Epidermal growth factor Receptor 2 (HER2) negative breast cancer treated with neoadjuvant chemotherapy and FMD displayed a better radiological response and a better pathological response (90-100% vs \<90% tumor cell reduction) than patients treated with chemotherapy without FMD (de Groot, Nat Commun 2020; NCT02126449). Therefore these findings will be validated in a phase 3 trial with the underlying hypothesis that FMD during neoadjuvant chemotherapy for breast cancer improves clinical outcomes, potentially due to improved local immunity.
Detailed Description: STF during neadjuvant chemotherapy aiming to improve the chemotherapy efficacy and decline the side effects in patients with stage II-III HR+, HER2- breast cancer
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Noordwest Ziekenhuisgroep, Alkmaar, , Netherlands
Rode Kruis ziekenhuis, Beverwijk, , Netherlands
Alexander Monro Ziekenhuis, Bilthoven, , Netherlands
Reinier de Graaf ziekenhuis, Delft, , Netherlands
Deventer Ziekenhuis, Deventer, , Netherlands
Ziekenhuis Gelderse Vallei, Ede, , Netherlands
Leiden University Medical Center, Leiden, , Netherlands
Name: Judith R Kroep, PhD
Affiliation: Leiden University Medical Center
Role: PRINCIPAL_INVESTIGATOR