Table 1 Description of the studies included in the systematic review.

From: The chemobrain in breast cancer patients: a systematic review and meta-analysis

Author, year

Country

Study

design

Age (years)

Chemotherapy

Concurrent therapy

Memory testing prior to chemotherapy

Regimen

Time since

completion

Fan, 200513

Canada

Prospective cohort

48 ± NA

CTX/EPI/FU (6 cycles) or

doxo/CTX (4 cycles)

1 year

Radiotherapy

Hormone therapy

Yes

Hurria, 200614

USA

Prospective cohort

70 (65–84) #

CTX/MTX/FU (8 cycles) or

doxo/CTX (4 cycles) or

doxo/CTX/PC (4 cycles)

6 months

Hormone therapy

Yes

Tager, 200915

USA

Prospective cohort

60 ± 6

doxo/CTX/PC or

doxo/CTX or

cytoxan/MTX/5-FU

6 months

Hormone therapy

Radiotherapy

Yes

Jansen, 201116

USA

Prospective cohort

50 ± 9

doxo/CTX ± Taxane

6 months

Hormone therapy

Yes

Chae, 20189

Singapore

Prospective cohort

52 ± 9

Taxane or

AC-CT

6 weeks after start of chemotherapy

None

Yes

Schrauwen, 202017

Belgium

Prospective cohort

47 ± 10

5-FU/EPI/CTX/DTX

End of chemotherapy

Radiotherapy

Hormone therapy

Yes

Syed Alwi, 202118

Malaysia

Cross-sectional

52 ± 8

AC-CT-based or

AC-CT/Taxane

< 2 years

Radiotherapy

Hormone therapy

No

Juan, 202210

China

Prospective cohort

45 ± 9

EPI/CTX or

EPI/CTX/DTX or

DTX/CTX

3 weeks

None

Yes

Liu, 202419

China

Cross-sectional

51 ± 10

AC-CT or

AC-CT/Taxane or

CTX

NA

Surgery

No

Ma, 202420

China

Prospective cohort

47 ± 8

EPI/CTX/DTX or DTX: CTX

1 week

NA

Yes

Wu, 202421

China

Cross-sectional

NA

NA

NA

Surgery and/or radiotherapy

No

  1. NA: not available;
  2. # mean (range); CTX: cyclophosphamide; FU: Fluorouracil; MTX: methotrexate; EPI: Epirubicin; doxo: Doxorubicin; AC-CT: Anthracycline-containing chemotherapy; PC: Paclitaxel; DTX: Docetaxel; cis: Cisplatin; Eto: Etoposide; Dauna: Daunorubicin; Cyta: Cytarabine.