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Table 1 Characteristics of the included studies

From: The efficacy and safety of exercise regimens to mitigate chemotherapy cardiotoxicity: a systematic review and meta-analysis of randomized controlled trials

Study ID

Study Design

Country

Total Participants

Intervention

Chemotherapeutic drug

Cancer Type and Stage

Exercise Adherence

Primary Outcome

Follow-up duration

Intervention

Intervention duration (Weeks)

Intervention frequency (Sessions per week)

Session duration (min)

Exercise intensity

Control

Bolam et al.2019 [25] (OptiTrain)

RCT

Sweden

260

1) Resistance and high-intensity interval training (RT-HIIT) OR 2) Moderate-intensity aerobic and high-intensity interval training (AT–HIIT)

16

2

60

Moderate-to-high–intensity exercise

Usual care

Anthracyclines, taxanes, or a combination of the two

Breast cancer stage I–IIIa

NR

primary outcome fatigue measured by the Piper Fatigue scale

2 years

Antunes et al. 2023 [9]

Single center Randomized Controlled trial

Portugal

93

Combining aerobic and resistance training

20—24

3

35—55

Moderate and vigorous intensity

Usual care

Doxorubicin plus cyclophosphamide +—taxane-based chemotherapy +—plus trastuzumab with or without pertuzumab +—carboplatin and paclitaxel

Breast cancer stage I-III

Mean Adherence 63.2 ± 26.9%

The absolute change in ventricle ejection fraction (LVEF) from baseline to the end of anthracycline cycles

[20–24 weeks intervention] + 3 months follow up

Chung et al. 2022 [26]

Open-labelled single center Randomized Controlled trial

Taiwan

32

Real-time exercise (aerobic exercise, resistance exercise, and flexibility training)

12

2 to 3

65

Moderate-to-high–intensity exercise

Usual care

Chemotherapy every 3 weeks with CEF for 6 cycles (cyclophosphamide 500 mg/m2, epirubicin 75 mg/m2, and 5-FU 500 mg/m2) or doxorubicin plus cyclophosphamide for 4 cycles followed by docetaxel for 4 cycles (doxorubicin 60 mg/m2, cyclophosphamide 600 mg/m2 and docetaxel 60 mg/m2

Breast cancer stage I–III

76%

The change in left LVEF

12 months

Foulkes et al. 2023 [10](The BREXIT)

Open-labelled single center Randomized Controlled trial

Australia

104

Aerobic and resistance Exercise training

52

3 to 4

80 -120

Moderate-to-high–intensity exercise

Usual care

Anthracycline-based chemotherapy +—Taxane +—carboplatin chemotherapy + -Capecitabine chemotherapy

Breast cancer stage I-III

73%

Functional disability at 12 months, defined as a VO2 peak ≤ 18.0 mL∙kg − 1∙min − 1

12 months

Hojan et al. 2020 [28] (REH-HER)

Open-labelled single center Randomized Controlled trial

Poland

68

Regular aerobic/resistance exercise

9

5

85—95

Moderate intensity exercise

General physical activity

Trastuzumab

Breast cancer stage I–IIIa

98.7%

The differences in cardiac function measured with a capacity test over the nine weeks of the exercise program

9 weeks

Hornsby et al. 2014 [29]

RCT

USA

20

Aerobic training consisted of one-on-one (nongroup based) supervised cycle ergometry sessions

12

3

15–45

Moderate- to high-intensity exercise

Usual care

Doxorubicin & Cyclophosphamide

Stage IIB–IIIC breast adenocarcinoma

66%

Safety outcomes included exercise testing as well as treatment- and exercise training-related adverse events (AEs), whereas efficacy outcomes included cardiopulmonary function and patient-reported outcomes (PROs) as measured by a cardiopulmonary exercise test (CPET) and Functional Assessment of Cancer Therapy-Breast (FACT-B) scale

12 weeks

Jacquinot et al. 2022 [30]

Multicenter Randomized Controlled trial

France

89

Supervised exercise program (aerobic)

12

3

55

Moderate- to high-intensity exercise

Usual care

Trastuzumab

Breast cancer

NR

Test whether trastuzumab induced cardiotoxicity [left ventricular ejection fraction (LVEF) under 50%, or an absolute drop in LVEF of 10%] was reduced after a supervised exercise program of 3 months in patients with HER2-positive breast cancer

6 months

Kerrigan et al. 2023 [31]

Multicenter Randomized Controlled trial

USA

29

interval training protocol with 4-min high-intensity intervals alternated by 3 min of moderate intensity. (aerobic)

10

2 to 3

40—50

moderate- to high-intensity exercise

Usual care

doxorubicin and/or trastuzumab

breast cancer stages I-IV and leiomyosarcoma

59%

Our primary aim was to determine whether CR improves exercise capacity in patients who have exhibited subclinical markers of myocardial damage due to doxorubicin or trastuzumab

10 weeks

Kirkham et al. 2018 [32]

Randomized Controlled trial

Canada

27

Supervised treadmill exercise (aerobic)

4 Sessions performed, each 24 h prior to each episode of treatment. Up to 2 weeks

NR

10-min warm-up, 30 min of vigorous and a 5-min cool-down

moderate-to-vigorous physical activity

Abstain from vigorous-intensity exercise from 72 h prior to, and 48 h after the treatment

Doxorubicin

Breast Cancer, stage I–III

94% adherence to timing, 83% adherence to intensity,98% adherence to duration

To investigate the effect of this intervention on established markers of subclinical cardiotoxicity at the end of treatment

7–14 days

Lee et al. 2019 [22]

Randomized pilot clinical trial

USA

30

High intensity interval training (aerobic)

8

3 times

30

Walking + Moderate + Vigorous

non-exercise

Doxorubicin & cyclophosphamide

Breast Cancer, stage I–III

82.3% in HIT group

VO2 max change

9 weeks

Sturgeon et al. 2022 [23]

Randomized controlled trial

USA

19

Tailored home-based remotely delivered (aerobic exercise)

24 weeks

From week 1–4, 3 sessions/wk with a total of 60min/week at 50% of baseline VO2 max and to 75 + min/wk at 60% of VO2 max at the end of week 4, From week 5–24, 2 sessions/ week at 65–75% of baseline VO2 max

N/R

moderate-to-vigorous

usual level of physical activity

Neoadjuvant with Taxotere, Carboplatin, Herceptin + Perjeta; TCH + P, OR, Adriamycin, cyclophosphamide, Taxol; ACT

Breast Cancer, stage I–III

87.60%

VO2 max change

16–24 weeks

Tsai et al. 2019 [24]

Randomized controlled trial

USA

22

Clinic and home-based exercise intervention (aerobic exercise)

16 weeks

3 times

30 min

moderate-to-vigorous

non-exercising

Non-specific

Breast, Sarcoma hip/thigh, Lymphoma, Multiple myeloma, Osteosarcoma, Hodgkin's disease, Leukemia

NR

VO2 max change

16 weeks

Courneya et al. 2007 [27]

Multicenter prospective, three-armed, randomized controlled trial

Canada

242

Aerobic exercise training (AET) and resistance exercise training (RET)

Median 17 weeks, 95% CI (9 to 24 weeks)

3 times

15 min for weeks 1 to 3, increased by 5 min every 3weeks till 45 min at week 18

Vigorous

Usual care

Nontaxane and Taxane both

Breast cancer stage, I–IIIA

70.2%

Cancer-specific QOL assessed by the Functional Assessment of Cancer Therapy–Anemia scale

(9–24 chemotherapy treatment) + 3 to 4 weeks after chemotherapy

  1. NR Not Reported