NCT04623554

Brief Summary

The Neo-Train study is a randomized controlled trial investigating the effects of supervised pre-operative aerobic and resistance exercise in patients with breast cancer during neoadjuvant chemotherapy.

Trial Health

75
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
102

participants targeted

Target at P50-P75 for not_applicable breast-cancer

Timeline
93mo left

Started Jun 2021

Longer than P75 for not_applicable breast-cancer

Geographic Reach
1 country

1 active site

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress39%
Jun 2021Feb 2034

First Submitted

Initial submission to the registry

October 19, 2020

Completed
22 days until next milestone

First Posted

Study publicly available on registry

November 10, 2020

Completed
8 months until next milestone

Study Start

First participant enrolled

June 23, 2021

Completed
2.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 15, 2024

Completed
10 years until next milestone

Study Completion

Last participant's last visit for all outcomes

February 15, 2034

Expected
Last Updated

February 3, 2026

Status Verified

January 1, 2026

Enrollment Period

2.6 years

First QC Date

October 19, 2020

Last Update Submit

January 29, 2026

Conditions

Keywords

PrehabilitationPre-operative exerciseBreast cancerTumour regressionNeoadjuvant chemotherapy

Outcome Measures

Primary Outcomes (1)

  • Tumour size

    Change in the maximum diameter of the tumour visualized by magnetic resonance imaging (MRI).

    Sequential MRI scans follow the individual treatment plan in a period of up to 30 weeks from baseline (diagnostic MRI before start of neoadjuvant chemotherapy) to MRI performed by the end of the course of neoadjuvant chemotherapy before breast surgery.

Secondary Outcomes (29)

  • Relative dose intensity of neoadjuvant chemotherapy

    Baseline to time of breast surgery estimated up to 30 weeks

  • Number of participants with neoadjuvant chemotherapy dose reductions

    Baseline to time of breast surgery estimated up to 30 weeks

  • Number of participants with neoadjuvant chemotherapy dose delays

    Baseline to time of breast surgery estimated up to 30 weeks

  • Number of participants with early discontinuation of neoadjuvant chemotherapy

    Baseline to time of breast surgery estimated up to 30 weeks

  • Number of hospital admissions during neoadjuvant chemotherapy

    Baseline to time of breast surgery estimated up to 30 weeks

  • +24 more secondary outcomes

Study Arms (2)

Intervention arm

ACTIVE COMPARATOR

Prehabilitation program

Behavioral: Prehabilitation program

Control arm

NO INTERVENTION

Usual care

Interventions

The prehabilitation program includes combined high-intensity interval training on a cycle ergometer and machine-based resistance exercise of large muscle groups supervised by a physiotherapist. Exercise sessions will take place in physiotherapy departments at local hospitals or in municipality rehabilitation centres 3 times a week during the neoadjuvant chemotherapy period and ending in the week before breast surgery (maximum estimated 29 weeks depending on number of chemotherapy cycles, dose delays and time of breast surgery). Participants will be screened for psychological distress four times and in case of moderate-severe distress be advised to visit the local Cancer Society Support Center where participants will be assessed and offered free services based on their psychosocial needs and available offers. Participation will be monitored.

Intervention arm

Eligibility Criteria

Age18 Years+
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients newly diagnosed with histologically verified breast cancer and scheduled for neoadjuvant chemotherapy
  • Female gender
  • Aged ≥ 18 years old
  • Signed informed consent

You may not qualify if:

  • Patients ineligible for or who have declined to receive neoadjuvant chemotherapy
  • Contraindications to magnetic resonance imaging (MRI)
  • Physical or cognitive disabilities preventing exercise or physical testing
  • Inability to read and understand Danish

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Clinical Oncology and Palliative Care, Zealand University Hospital

Næstved, Denmark

Location

Related Publications (2)

  • Kjeldsted E, Ammitzboll G, Jorgensen LB, Lodin A, Bojesen RD, Ceballos SG, Rosthoj S, Laenkholm AV, Skou ST, Jack S, Gehl J, Dalton SO. Neo-train: study protocol and feasibility results for a two-arm randomized controlled trial investigating the effect of supervised exercise during neoadjuvant chemotherapy on tumour response in patients with breast cancer. BMC Cancer. 2023 Aug 19;23(1):777. doi: 10.1186/s12885-023-11284-5.

    PMID: 37598196BACKGROUND
  • Kjeldsted E, Ammitzboll G, Laenkholm AV, Rasic D, Ceballos SG, Jorgensen LB, Skou ST, Bojesen RD, Lodin A, Tolver A, Rosthoj S, Jack S, Gehl J, Dalton SO. Effects of Supervised Exercise during Neoadjuvant Chemotherapy on Tumor Response in Patients with Breast Cancer (Neo-train): A Randomized Controlled Trial. Clin Cancer Res. 2025 Oct 15;31(20):4265-4277. doi: 10.1158/1078-0432.CCR-25-0416.

MeSH Terms

Conditions

Breast Neoplasms

Condition Hierarchy (Ancestors)

Neoplasms by SiteNeoplasmsBreast DiseasesSkin DiseasesSkin and Connective Tissue Diseases

Study Officials

  • Susanne Dalton, Prof.

    Zealand University Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Masking Details
Due to the nature of the intervention, it is not possible to blind the participants, care providers or investigators. However, the outcome assessors of the primary endpoint (MRI assessment) will not be informed of the patients' allocation. Further, the statistician and data manager are blinded as the group allocation will be coded.
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Model Details: Randomized controlled trial with an intervention arm and a control arm
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

October 19, 2020

First Posted

November 10, 2020

Study Start

June 23, 2021

Primary Completion

February 15, 2024

Study Completion (Estimated)

February 15, 2034

Last Updated

February 3, 2026

Record last verified: 2026-01

Locations