Exercise to Prevent Anthracycline-Based Cardiotoxicity (EXACT): A Feasibility Study
Bibliographic record
Abstract
ABSTRACT This study aimed to determine the feasibility and potential efficacy of a 12-wk aerobic exercise intervention to mitigate cardiotoxicity in those with breast and hematological cancer receiving anthracycline (AC) treatment. Individuals with breast or hematological cancer that were within 8 wk of initiating AC treatment attended a 12-wk biweekly exercise program. Participants performed aerobic exercise (35%–85% heart rate reserve) on treadmills for 20–45 min per session under the supervision of research staff. Feasibility was evaluated through participant accrual and retention, program adherence, and safety. Aerobic fitness, physical activity, quality of life, and fatigue were assessed along with AC-related serum cytokines (interleukin-1β, interleukin-6, tumor necrosis factor-α, and VEGF) to explore intervention efficacy. Over 12 months, 169 participants (115 breast cancer, 54 hematological) were screened for eligibility. Forty-nine were eligible (28 breast and 21 hematological) and 15 consented (31% accrual). Ten participants completed the study and five withdrew (67% retention). Average exercise session adherence was 73% with no exercise-related adverse events. Cardiopulmonary fitness, physical activity levels, quality of life, fatigue, and serum cytokines did not change over the course of the intervention. Participant accrual and retention, program adherence, and safety statistics in this trial were within the range of similar exercise trials involving individuals with cancer. Study findings showed no postintervention change in measures of quality of life, aerobic fitness, and inflammatory cytokines, suggesting that exercise may mitigate detrimental changes in these parameters while on AC. Overall, the exercise program was feasible, and the results warrant further investigation using a randomized controlled trial approach to investigate whether aerobic exercise therapy can mitigate cardiotoxicity and improve related health and fitness outcomes for individuals receiving AC treatment.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".