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NCT04724499: CLARITY
Improving Cognitive Function Through High-intensity Interval Training in Breast Cancer Patients Undergoing Chemotherapy
NA trial testing High-Intensity Intervals Training in Breast Cancer in 30 participants. Currently enrolling.
1 August 2026
Quick facts
| Lead sponsor | Dana-Farber Cancer Institute |
|---|---|
| Phase | NA |
| Status | Recruiting now |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | parallel |
| Masking | none |
| Primary purpose | supportive care |
| Enrollment | 30 |
| Start date | 14 July 2021 |
| Primary completion | 1 August 2026 |
| Estimated completion | 1 April 2027 |
| Sites | 1 location across United States |
Drugs / interventions tested
- High-Intensity Intervals Training
- Attention Control
Conditions studied
- Breast Cancer — all drugs for Breast Cancer →
- Chemotherapy Effect — all drugs for Chemotherapy Effect →
- Exercise Therapy — all drugs for Exercise Therapy →
- Cognitive Change — all drugs for Cognitive Change →
Sponsor
Dana-Farber Cancer Institute
Who can join
18 and older, female only, with Breast Cancer or Chemotherapy Effect. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
The purpose of this research is to determine whether a 16-week high intensity interval training (HIIT) exercise program will improve brain health among women undergoing chemotherapy and also improve cardiovascular (heart) function. The names of the study interventions involved in this study are/is: * High-Intensity Interval Training (HIIT)
Publications & conference data
2 peer-reviewed publications reference this trial (live from Europe PMC):
-
Improving Cognitive Function Through High-Intensity Interval Training in Breast Cancer Patients Undergoing Chemotherapy: Protocol for a Randomized Controlled Trial.
Wilson R, Kang DW, Tahbaz M, Norris M, et al · · 2023 · cited 4× · PMID 37027186 · DOI 10.2196/39740 -
Synergy of Body Composition, Exercise Oncology, and Pharmacokinetics: A Narrative Review of Personalizing Paclitaxel Treatment for Breast Cancer.
Adriaenssens N, Wuyts SCM, Steurbaut S, De Sutter PJ, et al · · 2025 · cited 1× · PMID 40282447 · DOI 10.3390/cancers17081271
Verify or expand the search:
- PubMed search for NCT04724499
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
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Other Dana-Farber Cancer Institute trials
Trials by the same sponsor.
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT04724499 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Dana-Farber Cancer Institute
- Last refreshed: 22 January 2026
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04724499.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing