Thomas Helland

Bergen, Norway

Last Updated: 09/26/2026

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Found 20 publications

Monitoring of circulating tumor DNA allows early detection of disease relapse in patients with operable breast cancer.

Monitoring of circulating tumor DNA allows early detection of disease relapse in patients with operable breast cancer.

Journal: Molecular oncology

Published: May 02, 2025

Quantitative proteomics reveals serum proteome alterations during metastatic disease progression in breast cancer patients.

Quantitative proteomics reveals serum proteome alterations during metastatic disease progression in breast cancer patients.

Journal: Clinical proteomics

Published: December 06, 2023

Presurgical Oral Tamoxifen vs Transdermal 4-Hydroxytamoxifen in Women With Ductal Carcinoma In Situ: A Randomized Clinical Trial.

Presurgical Oral Tamoxifen vs Transdermal 4-Hydroxytamoxifen in Women With Ductal Carcinoma In Situ: A Randomized Clinical Trial.

Journal: JAMA surgery

Published: October 23, 2023

A randomized Phase I pre-operative window trial of transdermal endoxifen in women planning mastectomy: Evaluation of dermal safety, intra-mammary drug distribution, and biologic effects.

A randomized Phase I pre-operative window trial of transdermal endoxifen in women planning mastectomy: Evaluation of dermal safety, intra-mammary drug distribution, and biologic effects.

Journal: Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie

Published: September 19, 2023

Nonlinear Mixed-Effects Model of Z-Endoxifen Concentrations in Tamoxifen-Treated Patients from the CEPAM Cohort.

Nonlinear Mixed-Effects Model of Z-Endoxifen Concentrations in Tamoxifen-Treated Patients from the CEPAM Cohort.

Journal: Clinical pharmacology and therapeutics

Published: September 13, 2023

Importance of endocrine treatment adherence and persistence in breast cancer survivorship: a systematic review.

Importance of endocrine treatment adherence and persistence in breast cancer survivorship: a systematic review.

Journal: BMC cancer

Published: February 02, 2023

Liquid biopsies and patient-reported outcome measures for integrative monitoring of patients with early-stage breast cancer: a study protocol for the longitudinal observational Prospective Breast Cancer Biobanking (PBCB) study.

Liquid biopsies and patient-reported outcome measures for integrative monitoring of patients with early-stage breast cancer: a study protocol for the longitudinal observational Prospective Breast Cancer Biobanking (PBCB) study.

Journal: BMJ open

Published: April 29, 2022

Simultaneous Quantification of Aromatase Inhibitors and Estrogens in Postmenopausal Breast Cancer Patients.

Simultaneous Quantification of Aromatase Inhibitors and Estrogens in Postmenopausal Breast Cancer Patients.

Journal: The Journal of clinical endocrinology and metabolism

Published: October 08, 2021

Effect of Genetic Variability in 20 Pharmacogenes on Concentrations of Tamoxifen and Its Metabolites.

Effect of Genetic Variability in 20 Pharmacogenes on Concentrations of Tamoxifen and Its Metabolites.

Journal: Journal of personalized medicine

Published: May 04, 2021

Generating a Precision Endoxifen Prediction Algorithm to Advance Personalized Tamoxifen Treatment in Patients with Breast Cancer.

Generating a Precision Endoxifen Prediction Algorithm to Advance Personalized Tamoxifen Treatment in Patients with Breast Cancer.

Journal: Journal of personalized medicine

Published: February 18, 2021

Low Z-4OHtam concentrations are associated with adverse clinical outcome among early stage premenopausal breast cancer patients treated with adjuvant tamoxifen.

Low Z-4OHtam concentrations are associated with adverse clinical outcome among early stage premenopausal breast cancer patients treated with adjuvant tamoxifen.

Journal: Molecular oncology

Published: October 05, 2020

Association of CYP2D6 genotype and tamoxifen metabolites with breast cancer recurrence in a low-dose trial.

Association of CYP2D6 genotype and tamoxifen metabolites with breast cancer recurrence in a low-dose trial.

Journal: NPJ breast cancer

Published: September 15, 2020

Showing 1-12 of 20

Last Updated: 09/26/2026