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. Author manuscript; available in PMC: 2015 Mar 18.
Published in final edited form as: Clin Biochem. 2014 Nov 7;48(0):223–235. doi: 10.1016/j.clinbiochem.2014.10.013

Table 1.

Studies evaluating the use of biomarkers to predict chemotherapy-induced cardiac toxicity.

Troponin-I
Papers demonstrating correlation
between increase in biomarker
and cardiotoxicity
Cardinale et al. [83] 50 patients received EPI–CYC, 41 received taxotere–EPI–CYC, 48
received Ifosfamide–CARB–ETO
16 received taxotere–Ifosfamide–CARB–ETO, 49 received CYC.
All patients with decrease in LVEF of greater than 30% had TnI
elevation greater than 0.5 ng/mL
Cardinale et al. [78] 51 patients received EPI–CYC (EC), 85 received taxotere–EPI–CYC
(TEC), 43 patients who had previously been treated with
anthracyclines received Ifosfamide–CARB–ETO (ICE) while 32 other
patients previously treated with anthracyclines received taxotere–
ifosfamide–CARB–ETO (TICE). All subsequently received radiotherapy.
The percentage of patients with TnI positivity was 53% in EC, 31% in
TEC, 28% in ICE and 16% in TICE. A strong correlation was found
between the magnitude of TnI rise and reduction in EF.
Cardinale et al. [68] 703 patients enrolled in a number of different regimens including:
EPI–CYC; taxotere–EPI–CYC; ifosfamide–CARB–ETO; taxotere–
isofamide–CARB–ETO; carmustine–ETO–cytarabine–melphalan;
ETO–solumedrol–cytarabine–platinum; mitoxantrone; melphalan;
idarubicin; sequential; CYC.
Correlation between elevated TnI and reduction in ejection fraction
was even more likely in individuals with elevated Tn’s at multiple
time points during and after chemotherapy.
Cardinale et al. [100] 251 patients received TZT with or without other chemotherapy
(197 had prior exposure to anthracyclines).
TnI identifies patients at risk for developing cardiotoxicity
(including decrease in LVEF) who are unlikely to recover following
completion of therapy.
Drafts et al. [85] 37 patients received DOX and 16 received daunorubicin. TnI trended upward with therapy. 26% showed positivity by the end
of 6 months, BNP fell during therapy.
Ky et al. [77] 78 patients received DOX–CYC every 3 weeks for 4 cycles, followed
by PAC–TZT weekly for 12 weeks, followed by TZT every 3 weeks
totaling a full year of therapy.
Increases in TnI and MPO levels were associated with the
development of cardiac dysfunction.
Lee et al. [70] 67 patients received DOX, 15 received daunorubicin, 1 received EPI,
1 received idarubicin, 1 received DOX and EPI, 1 received DOX and
idarubicin.
TnI and BNP concentrations correlated with anthracycline
cumulative dose and LVEF. Heart failure was more common if BNP
levels reached 100 pg/mL at least once.
Lipshultz et al. [107] 100 patients received DOX, 105 received DOX and dexrazoxane. TnI and NT-proBNP levels during the first 90 days of treatment
predicted the development of cardiac dysfunction 4 years later.
Morris et al. [124] 95 patients initially received DOX–CYC (DC) followed by PAC–TZT–
lapatinib for 3 months with continuation of TZT–lapatinib for 1 year.
TnI rise preceded maximal decline in LV function, CRP did not
correlate with cardiotoxicity.
Sandri et al. [84] 79 patients received TEC, 49 received CYC–MTX–ETO–idarubicin
(SEQ), 26 received TICE, 17 received ICE, 8 received EC.
52 (32%) of patients with a positive TnI had a decrease in LVEF. No
LV dysfunction was noted in the group with negative TnI.
Sawaya et al. [81] 39 patients received DOX–taxanes, 4 received EPI–taxanes; 10
received anthracycline containing chemotherapy prior to
enrollment.
TnI elevation at 3 months was predictive of the development of LV
dysfunction at 6 months.
Sawaya et al. [69] 82 patients received DOX or EPI for 3 months followed by weekly
PAC–TZT for 3 months followed by 9 more months of TZT.
TnI and peak systolic myocardial strain predicted cardiotoxicity, no
significant associations were observed for LVEF, NT-proBNP or ST-2,
and the development of heart failure.
Specchia et al. [73] Anthracycline containing chemotherapy with median doses of
daunorubicin 300 mg/m2, idarubicin 51 mg/m2, and mitoxantrone
47 mg/m2
Echocardiography findings showed transient decrease in EF
correlated with increased TnI levels
Papers failing to demonstrate
correlation between increase in
biomarker and cardiotoxicity
Grover et al. [92] 46 patients received three to six 21 day cycles of EPI, DOX, and/or
TZT with or without taxanes.
TnI and CRP increased with therapy but did not correlate with
subsequent LV dysfunction.
Soker et al. [95] 31 patients received DOX based therapy. NT-proBNP levels were significantly more elevated in patients with
LV dysfunction, cTnI remained undetectable throughout the study.
Zver et al. [21] 30 patients received VCR–EPI–dexamethasone followed by CYC–
melphalan followed by autologous hematopoietic stem cell
transplantation.
Increased levels of BNP and ET-1 were associated with worsening LV
diastolic dysfunction. TnI remained within the normal range.
Troponin-T

Papers demonstrating correlation
between increase in biomarker
and cardiotoxicity
Auner et al. [18] 2 patients received DOX, 28 received pegylated liposomal DOX, 3
received daunorubicin, 43 received idarubicin, 58 received
Mitoxantrone.
Patients with positive TnT levels correlated with greater decrease in LVEF.
Geiger et al. [104] 40 patients received DOX, 6 received mitoxantrone–daunorubicin, 2
received mitoxantrone, 1 received liposomal DOX, 1 received
liposomal DOX.
NT-proBNP levels increased more in patients who subsequently
developed reduced EF, TnT levels increased following chemotherapy
and were also associated with reduced EF.
Kilickap et al. [74] 29 patients received DOX, 5 received idarubicin, 4 received
daunorubicin, 3 received EPI.
Positive TnT levels were associated with LV diastolic dysfunction in
younger patients.
Mavinkurve-Groothuis et al. [71] 60 patients received 120 mg/m2 of anthracyclines and were then
stratified to low (n = 20), moderate (n = 30) or high risk
(n = 10) based on response with moderate risk receiving an
additional 180 mg/m2 of anthracycline and high risk receiving
either an additional 120 mg/m2 anthracycline +18 mg/m2
idarubicin +52.5 mg/m2 mitoxantrone or consideration of bone
marrow transplantation.
TnT elevations predicted some LV dysfunction, NT-proBNP was not
predictive of cardiac toxicity.
Mornos et al. [80] 100 patients received anthracycline containing therapy. Changes in TnT levels predicted the development of cardiac toxicity
while changes in NT-proBNP did not show significant predictive value.
Troponin-I

Papers failing to demonstrate
correlation between increase in
biomarker and cardiotoxicity
Kremer et al. [94] 20 patients received DOX, 4 received daunorubicin, 9 received EPI, 5
received mitoxantrone.
Measurement of TnT within the first 24 h of chemotherapy did not
predict subsequent development of cardiac toxicity.
Dodos et al. [91] 100 patients received anthracycline containing chemotherapy, 53
received DOX, 29 received EPI, 15 received daunorubicin, 2 received
mitoxantrone, and 1 received idarubicin.
TnT and BNP did not predict subsequent development of cardiac
dysfunction.
B-type naturetic peptide

Papers demonstrating correlation
between increase in biomarker
and cardiotoxicity
Anthracycline containing regimens
Hayakawa et al. [114] 34 patients received DOX-based chemotherapy more than 1 month
prior.
Both ANP and BNP levels correlated with both the cumulative dose
of anthracycline and LV systolic dysfunction.
Lipshultz et al. [107] 100 patients received DOX, 105 received DOX and dexrazoxane. TnT levels rose during treatment in the DOX group and to a lesser
extent the group with dexrazoxane coadministration, NT-proBNP
levels were initially elevated, fell in both groups although to a lesser
extent in the group without dexrazone, NT-proBNP rose again post-
treatment in the DOX group but continued to fall in the dexrazosin
coadministration group. hsCRP was not significantly different between
groups. TnI and NTproBNP levels during the first 90 days of treatment
predicted the development of cardiac dysfunction 4 years later.
Sandri et al. [109] 52 patients received HDC Persistently elevated NT-proBNP levels strongly associated with the
development of systolic and diastolic dysfunction following HDC.
Nakamae et al. [150] 40 patients received CYC–DOX–VCR–prednisolone (CHOP therapy). CHOP induced transient increases in the LV end-diastolic diameter on
echocardiogram and in the plasma BNP and ANP. Valsartan therapy
prevented elevation in BNP and LV end-diastolic diameter, but not ANP.
Pichon et al. [115] 50 patients received anthracycline based therapy, 17 patients were
pre-treated with anthracycline-based therapy followed by TZT and
taxanes or vinorelbine.
BNP concentrations correlated with anthracycline cumulative dose
and LVEF.
Lee et al. [70] 67 patients received DOX, 15 received daunorubicin, 1 received EPI,
1 received idarubicin, 1 received DOX and EPI, 1 received DOX and
idarubicin.
BNP and TnI concentrations correlated with cumulative
anthracycline dose and LVEF. Heart failure was more common if BNP
levels reached 100 pg/mL at least once.
Romano et al. [86] 34 patients received liposomal DOX–docetaxel and 37 received EPI–
5-FU–CYC.
Persistently elevated NT-proBNP levels were associated with
subsequent impairment of LV function.
Feola et al. [87] 53 patients received six 21 day cycles of CYC–EPI–5-FU. BNP levels correlated with LV systolic dysfunction
Kouloubinis et al. [117] 26 patients received six 21 day cycles of EPI–paclitaxel, 14 received
six 21 day cycles of mitoxantrone–docetaxel.
proANP and NT-proBNP levels correlated with LV dysfunction.
Gimeno et al. [103] 35 patients received modified-CHOP regimen with or without
rituximab.
Patients with initially elevated NT-proBNP levels had a significantly
higher risk of heart failure progression and death from all causes in
comparison to those with lower levels.
Mladosievicova et al. [123] 69 patients who had previously received DOX, daunorubicin, or EPI
based therapy or non-anthracycline therapy were compared to 44
health controls.
NT-proBNP elevations were more common in childhood cancer
survivors exposed to anthracyclines compared to unexposed
survivors.
Geiger et al. [104] 40 patients received DOX, 6 received mitoxantrone–daunorubicin, 2
received mitoxantrone, 1 received liposomal DOX.
NT-proBNP levels increased more in patients who subsequently
developed reduced EF, TnT levels increased following chemotherapy
and were also associated with reduced EF.
Sherief et al. [118] 50 patients who had previously received anthracycline based
chemotherapy.
NT-proBNP levels correlated with the total anthracycline dose
previously received.
Lipshultz et al. [119] 102 patients received anthracycline based therapy vs. other
protocols not containing anthracyclines.
Increased NT-proBNP levels were associated with decreased LV
function.
Aggarwal et al. [105] 63 patients previously received anthracycline based chemotherapy
at least 1 year prior to enrollment.
Elevated BNP levels were associated with cardiac dysfunction on
echocardiography.
Soker et al. [95] 31 patients received DOX based therapy. NT-proBNP levels were significantly more elevated in patients with
LV dysfunction, cTnI levels remained undetectable throughout the study.
Zver et al. [21] 30 patients received VCR–EPI–dexamethasone followed by CYC–
melphalan followed by autologous hematopoietic stem cell
transplantation.
Increased levels of BNP and ET-1 were associated with worsening LV
diastolic dysfunction. TnI remained within the normal range.
Nakamae et al. [150] 40 patients received CYC–DOX–VCR–prednisolone (CHOP therapy). CHOP induced transient increases in the LV end-diastolic diameter
on echocardiogram and in the plasma BNP and ANP. Valsartan
therapy prevented elevations in BNP and LV end-diastolic diameter,
but not ANP.
Feola et al. [87] 53 patients received six 21 day cycles of CYC–EPI–5-FU. BNP levels correlated with left ventricular systolic dysfunction in
this patient population.
Kuittinen et al. [22] 30 patients received carmustine–ETO–cytarabine–CYC–MESNA
followed by stem cell transplantation.
LV dysfunction correlated with NT-proANP and NT-proBNP levels.
Romano et al. [86] 34 patients received Liposomal DOX–docetaxel and 37 received
EPI–5-FU–CYC.
Persistently elevated NT-proBNP levels were associated with
subsequent impairment of LV function.
Pichon et al. [115] 50 patients received anthracycline based therapy, 17 patients were
pre-treated with anthracycline-based therapy followed by TZT and
taxanes or vinorelbine
BNP concentrations correlated with anthracycline cumulative dose
and LVEF.
Ribeiro et al. [50] 103 patients received imatinib. 4 patients receiving imatinib had elevated BNP with one showing
depressed LVEF, however this small number of patients precluded
the comparison of their features with the whole study sample.
Troponin-I

Papers failing to demonstrate
correlation between increase in
biomarker and cardiotoxicity
Meinardi et al. [112] 21 patients received five cycles of 5-FU–EPI–CYC (FEC), 19 received
four cycles of FEC followed by high-dose chemotherapy consisting
of CYC–thiotepa–carboplatin. Both groups subsequently underwent
locoregional radiotherapy.
No statistically significant correlation was found between BNP levels
and prediction of LVEF dysfunction.
Garrone et al. [79] 50 patients received six 21 day cycles of CYC–EPI–5-FU. Kinetics of Tn rise correlated with LVEF reduction. There was no
correlation between BNP and change in LVEF.
Mavinkurve-Groothuis et al. [71] 60 patients received 120 mg/m2 of anthracyclines and were then
stratified to low (n = 20), moderate (n = 30) or high risk
(n = 10) based on response with moderate risk receiving an
additional 180 mg/m2 of anthracycline and high risk receiving
either an additional 120 mg/m2 anthracycline +18 mg/m2
idarubicin +52.5 mg/m2 mitoxantrone or consideration of bone
marrow transplantation.
TnT elevations predicted LV dysfunction, NT-proBNP levels were not
predictive.
Drafts et al. [85] 37 patients received DOX and 16 received daunorubicin. TnI trended upward with 26% showing positivity by the end of
6 months, BNP levels fell during therapy.
Mornos et al. [80] 100 patients received anthracycline containing therapy. Changes in TnT levels predicted the development of cardiac toxicity
while changes in NT-proBNP did not show significant predictive value.
Poutanen et al. [113] 39 patients received anthracycline based therapy with or without
radiotherapy 5 to 7 years prior to evaluation.
NT-proANP is a useful method to evaluate cardiac function in cancer
survivors, BNP levels did not correlate with cardiac function.
Daugaard et al. [111] 66 patients received EPI, 41 received DOX. 13 patients additionally
received radiotherapy of the left chest wall.
Neither changes in NT proANP nor BNP correlated with a change in EF.
Sawaya et al. [69] 82 patients received DOX or EPI for 3 months followed by weekly
PAC–TZT for 3 months followed by 9 more months of TZT.
TnI and peak systolic myocardial strain predicted cardiotoxicity, no
significant associations observed for LVEF, NT-proBNP, or ST-2 and
the development of heart failure.
Dodos et al. [91] 100 patients received anthracycline containing chemotherapy, 53
received DOX, 29 received EPI, 15 received daunorubicin, 2 received
mitoxantrone, and 1 received idarubicin.
TnT and BNP did not predict subsequent development of cardiac
dysfunction
Atrial naturetic peptide

Papers demonstrating correlation
between increase in biomarker
and cardiotoxicity
Hayakawa et al. [114] 34 patients received DOX-based chemotherapy more than 1 month
prior.
ANP and BNP levels correlated with both the cumulative dose of
anthracycline and LV systolic function.
Nakamae et al. [150] 40 patients received CYC–DOX–VCR–prednisolone (CHOP therapy). CHOP induced transient increases in the LV end-diastolic diameter
on echocardiogram and in the plasma BNP and ANP. Valsartan
therapy prevented elevation in BNP and LV end-diastolic diameter,
but not ANP.
Poutanen et al. [113] 39 patients received anthracycline based therapy with or without
radiotherapy 5 to 7 years prior to evaluation.
NT-proANP levels corresponded with cardiac function in cancer
survivors, BNP levels did not correlate with cardiac function.
Kouloubinis et al. [117] 26 patients received six 21 day cycles of EPI–PAC, 14 received six
21 day cycles of mitoxantrone and docetaxel.
NT-proANP and NT-proBNP levels correlated with LV dysfunction.
Kuittinen et al. [22] 30 patients received carmustine–ETO–cytarabine–CYC–MESNA
followed by stem cell transplantation.
LV dysfunction was associated with NT-proANP and NT-proBNP
levels.
Papers failing to demonstrate
correlation between increase in
biomarker and cardiotoxicity
Daugaard et al. [111] 66 patients received EPI, 41 received DOX. 13 patients additionally
received radiotherapy of the left chest wall.
Neither changes in NT-ANP nor BNP correlated were predictive of a
change in EF.
C-reactive protein

Papers demonstrating correlation
between increase in biomarker
and cardiotoxicity
Onitilo et al. [35] 49 patients received adjuvant TZT therapy (24 had prior exposure
to anthracycline).
hs-CRP correlated with subsequent reduction in LVEF.
Papers failing to demonstrate
correlation between increase in
biomarker and cardiotoxicity
Lipshultz et al. [107] 100 patients received DOX, 105 received DOX–dexrazoxane. TnT levels rose during treatment in the DOX and to a lesser extent in
the group with dexrazoxane coadministration, NT-proBNP levels
were initially elevated, fell in both groups although to a lesser extent
in the group without dexrazone, NT-proBNP rose again post-
treatment in the DOX group but continued to fall in the dexrazosin
coadministration group. Increases in hsCRP were not associated
with changes on echocardiography. TnI and NTproBNP levels during
the first 90 days of treatment predicted the development of cardiac
dysfunction 4 years later.
Morris et al. [124] 95 patients enrolled initially receiving DOX–CYC (DC) followed by
PAC–TZT–lapatinib for 3 months with continuation of TZT-lapatinib
for 1 year.
TnI rise preceded maximal decline in left ventricular function, CRP
did not correlate with cardiotoxicity
Troponin-I

Grover et al. [92] 46 patients received three to six 21 day cycles of EPI, DOX and/or
TZT with or without taxanes.
TnI and CRP increased with therapy but did not correlate with
subsequent LV dysfunction.
Myeloperoxidase

Papers demonstrating correlation
between increase in biomarker
and cardiotoxicity
Ky et al. [77] 78 patients received DOX–CYC every 3 weeks for 4 cycles, followed
by PAC–TZT weekly for 12 weeks, followed by TZT every 3 weeks
totaling a full year of therapy.
Increases in TnI and MPO levels were associated with the
development of cardiac dysfunction.
Endothelin-1

Papers demonstrating correlation
between increase in biomarker
and cardiotoxicity
Zver et al. [21] 30 patients received VCR–EPI–dexamethasone followed by CYC–
melphalan followed by autologous hematopoietic stem cell
transplantation.
Increased levels of BNP and ET-1 were associated with worsening LV
diastolic dysfunction. TnI levels remained within the normal range.
ST-2

Papers failing to demonstrate
correlation between increase in
biomarker and cardiotoxicity
Sawaya et al. [69] 82 patients received DOX or EPI for 3 months followed by weekly
PAC–TZT for 3 months followed by 9 more months of TZT.
TnI and peak systolic myocardial strain predicted cardiotoxicity, no
significant associations observed for LVEF, NT-proBNP, or ST-2 and
the development of heart failure.

Abbreviations used within the table. Biomarkers: Tn = troponin, TnI = cardiac troponin I, TnT = cardiac troponin T, BNP = B-type natriuretic peptide, ANP = atrial natriuretic peptide, NT-proBNP = N-Terminal pro B-type natriuretic peptide, NT-proANP = N-terminal pro atrial natriuretic peptide, CRP = C-reactive protein, hsCRP = high sensitivity C-reactive protein, ET-1 = endothelin-1, MPO = myeloperoxidase. Chemotherapy: 5-FU = 5-fluorouracil, CARB = carboplatin, CYC = cyclophosphamide, DOX = doxorubicin, EPI = epirubicin, ETO = etoposide, HDC = high dose chemotherapy, MTX = methotrexate, ONC = oncovorin, PAC = paclitaxel, TZT = trastuzumab, VCR = vincristine. Cardiovascular parameters: EF = ejection fraction, LVEF = left ventricular ejection fraction, LV = Left ventricle.

Search criteria: chemotherapy and cardiac biomarkers over the past 10 years, in humans, available in English. Hand-searching of articles was performed to locate additional studies. Inclusion criteria: studies containing greater than 30 patients evaluating the use of biomarkers to detect cardiac toxicity in the setting of chemotherapy.