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J Clin Oncol. 2010 April 1; 28(10): 1706–1713.
Published online 2010 March 1. doi:  10.1200/JCO.2009.25.1561
PMCID: PMC3651604

TI-CE High-Dose Chemotherapy for Patients With Previously Treated Germ Cell Tumors: Results and Prognostic Factor Analysis



We previously reported a dose-finding and phase II trial of the TI-CE regimen (paclitaxel [T] plus ifosfamide [I] followed by high-dose carboplatin [C] plus etoposide [E] with stem-cell support) in germ cell tumor (GCT) patients predicted to have a poor prognosis with conventional-dose salvage therapy. We now report the efficacy of TI-CE with prognostic factors for disease-free survival (DFS) and overall survival (OS) in our full data set of 107 patients.

Patients and Methods

Eligible patients had advanced GCTs with progressive disease following chemotherapy and unfavorable prognostic features (extragonadal primary site, incomplete response [IR] to first-line therapy, or relapse/IR to ifosfamide-cisplatin–based conventional-dose salvage). Univariate and multivariate analyses (MVAs) of prognostic factors were performed. The predictive ability of the Einhorn and Beyer prognostic models was assessed.


Most patients were platinum refractory and had an IR to first-line chemotherapy. There were 54 (5%) complete and eight (8%) partial responses with negative markers; 5-year DFS was 47% and OS was 52% (median follow-up, 61 months). No relapses occurred after 2 years. Five (24%) of 21 primary mediastinal nonseminomatous GCTs are continuously disease free. On MVA, primary mediastinal site (P < .001), two or more lines of prior therapy (P < .001), baseline human chorionic gonadotropin ≥ 1,000 U/L (P = .01), and lung metastases (P = .02) significantly predicted adverse DFS. Poor-risk patients did worse than good- or intermediate-risk patients according to both Beyer (P < .002) and Einhorn (P < .05) models.


TI-CE is effective salvage therapy for GCT patients with poor prognostic features. Mediastinal primary site and two or more lines of prior therapy were most predictive of adverse DFS. Beyer and Einhorn models can assist in predicting outcome.


Germ cell tumors (GCTs) are considered a model for curable cancers1 with expectations of cure in more than 95% of patients.2 Even with advanced disease, 70% are cured with standard chemotherapy consisting of etoposide and cisplatin with or without bleomycin.3 Treatment options for the remaining 30% include conventional-dose chemotherapy programs combining cisplatin and ifosfamide with either paclitaxel4 or vinblastine5 or high-dose chemotherapy (HDCT) with autologous stem-cell support.6,7

Prognostic factors have been identified for both salvage conventional-dose chemotherapy and HDCT. Patients with gonadal primary tumors and a partial response (PR) or complete response (CR) lasting > 6 months to first-line chemotherapy have a > 60% chance of achieving cure with conventional-dose chemotherapy.4,8 Other patients, such as those with primary refractory disease or remissions of short duration (< 6 months) have durable disease-free survival (DFS) and overall survival (OS) rates of less than 10% with similar regimens.8 In contrast, HDCT can achieve durable CRs in 30% to 60% of such patients.6,7,9,10

Two models that predict outcome to HDCT were reported by Beyer11 and Einhorn.6 These differ both in the patient populations studied and in the variables they incorporate. The predictive ability of the Beyer model was confirmed in several small studies12,13 but not in a larger series.6 The Einhorn model was only recently published, and attempts at external validation produced mixed results.14

In 1993, with recognition of the activity of paclitaxel in GCTs, we began using the TI-CE regimen, including two cycles of paclitaxel (T) + ifosfamide (I) for stem-cell mobilization followed by three cycles of high-dose carboplatin (C) and etoposide (E), each with autologous stem cell support targeted to patients predicted to have a poor outcome to conventional-dose chemotherapy. The dosing schedule and safety have been previously described.7 Herein, we report the final efficacy data for the 107 patients treated at our institution between 1993 and 2006. We also identify relevant prognostic factors and evaluate the ability of the Beyer and Einhorn models to predict DFS and OS in this population.



Eligible patients had GCT histology confirmed by pathologic review at Memorial Sloan-Kettering Cancer Center (MSKCC), progressive GCT, assessable disease, progressive disease (PD) after one or more cisplatin-based chemotherapy regimens, and one or more unfavorable prognostic features for achieving a CR with conventional-dose chemotherapy. Unfavorable prognostic features included extragonadal primary site, PD following an incomplete response (IR) to first-line therapy, and PD after a conventional-dose salvage (cisplatin + ifosfamide-based) regimen.

The initial intent of the phase I trial was to escalate the target carboplatin area under the concentration-time curve (AUC) in patients who had received six or fewer cycles of prior cisplatin-based combination therapy. However, after recognizing TI-CE to be relatively well tolerated compared with prior HDCT regimens, we sought additional pharmacologic data and expanded eligibility in the phase II trial to include patients treated with more than six cycles of prior cisplatin, administering a fixed-dose level of carboplatin to these patients. Additional eligibility criteria have been published.7

Study Design

This prospective, single-institution, phase I/II trial was approved by the MSKCC institutional review board. Pretreatment evaluation has been described.15 Two cycles of TI + mesna were given 14 days apart (cycles 1 and 2) followed by three cycles of CE with autologous stem-cell support every 21 to 28 days (cycles 3 to 5; Appendix Table A1, online only). Carboplatin dosing was by target AUC and varied during phase I15 by cohort. In phase II, an AUC of 24 mg/mL/min divided over 3 days (days 1 through 3) was administered to patients who had received six or fewer prior cycles of cisplatin and an AUC of 21 mg/mL/min to more heavily pretreated patients.15 Etoposide dosing was fixed at 400 mg/m2 daily on days 1 through 3 for all patients. Granulocyte colony-stimulating factor was administered to enhance leukapheresis and rapidity of engraftment.15

Evaluation of Response and Toxicity

Toxicity and response assessments were previously described.7 Responses were categorized as IR or CR, with CR divided into those achieved with chemotherapy alone or with chemotherapy plus surgery. IR included patients achieving PR with negative tumor markers (PR-negative) as well as those with stable disease or PD as previously defined.15 CR and PR-negative were considered favorable responses.

Supportive Care

Management of complications included platelet and RBC transfusions. Neutropenic fevers were treated with broad-spectrum antibiotics.


The primary end point in phase I was to determine the maximum-tolerated dose of carboplatin in the TI-CE regimen in patients who had received six or fewer cycles of prior cisplatin. The phase II portion was designed to estimate the proportion of patients (with 95% CIs) achieving a CR using the maximum-tolerated dose of carboplatin determined in phase I. Secondary end points included DFS, OS, and description of adverse events. Thirty-seven patients completed the phase I portion. Fifty patients were planned for accrual in phase II to allow estimation of a response proportion to ± 20% (95% CI). Since results indicated a higher response rate and lower toxicity than historical HDCT studies, TI-CE became standard therapy at our institution, and the trial was amended to allow continued accrual for additional efficacy and safety information. Twenty additional patients were accrued in this manner, for a total of 71 patients in phase II. Data collected from these additional patients together with data from patients on the original trial serve as the source for this report.

Univariate analysis of prognostic factors for DFS and OS was performed using the Kaplan-Meier method, and hazard ratios were estimated using univariate Cox regression analysis. To examine prognostic factors in a multivariate analysis (MVA), Cox regression models were fit using stepwise regression (entry P value = .10; elimination P = .05). Further pruning of the multivariate model was done to keep only those variables significant at P < .05. DFS was defined as the time from treatment start until the first documented progression of disease, death, or date of last follow-up. OS was defined as the time from treatment start until death or date of last follow-up. In addition, two established prognostic models for GCT patients receiving HDCT (those reported by Einhorn et al6 and Beyer et al11) were assessed for their ability to predict DFS in patients treated with TI-CE.


Patient Characteristics

Of 108 patients enrolled, one (not included in results) withdrew consent within 3 days of enrollment and never received treatment. Patient demographics for the remaining 107 patients are shown in Table 1. Seventy-nine (74%) were platinum refractory (progression within 4 weeks of the last cisplatin-based therapy), including two who were absolute platinum refractory (did not even achieve transient stable disease to the last platinum-based therapy). In addition, 26 (24%) had received two or more prior lines of chemotherapy, 21 (20%) had mediastinal primary tumors (all nonseminomas), and seven had late relapses (> 2 years).

Table 1.
Patient Characteristics

Treatment Administered

Eighty-two (77%) patients received all five treatment cycles; only seven did not receive any high-dose cycles (Table 2). The most common reason for not completing therapy was PD. Target carboplatin AUCs ranged from 12 to 32 mg/mL/min during phase I. Most (n = 73; 68%) received an AUC of 21 or 24 mg/mL/min, including all patients treated on the phase II portion of the study. An AUC of 24 mg/mL/min was administered to patients with six or fewer cycles of prior cisplatin therapy, whereas more heavily pretreated patients received an AUC of 21 mg/mL/min (Table 2).

Table 2.
Cycles of TI-CE Administered, Planned Target AUC of Carboplatin, and Patient Best Response

Treatment Outcome

There were two (2%) treatment-related deaths (grade 5 toxicities), including one fatal cerebral hemorrhage and one fatal pulmonary hemorrhage. All patients experienced grade 4 neutropenia, but serious infectious complications were uncommon, as reported previously.16 Grade 4 thrombocytopenia (86%) and anemia (37%) were also common. The safety profile has been previously reported.15

Fifty-four (50%) patients achieved a CR: 45 (42%) to chemotherapy alone and nine (8%) to chemotherapy plus surgery. Eight (7%) additional patients achieved PR-negative status, for a total favorable response rate of 58% (Table 2). Fifty deaths occurred among the 107 patients including the two related to treatment. After a median of 61 months, 57 remained alive at last follow-up. The 5-year OS rate was 52% with median OS not reached (Fig 1B). Fifty-six patients experienced disease progression with a median DFS of 22 months. With a median follow-up of 61 months, 51 remained disease-free and the 5-year DFS was 48%. All progression events after TI-CE occurred within 2 years from the start of treatment (Fig 1A).

Fig 1.
Kaplan-Meier curves of (A) disease-free survival and (B) overall survival for patients treated with paclitaxel + ifosfamide and carboplatin + etoposide high-dose chemotherapy.

Prognostic Factors Analysis

Characteristics previously reported to have prognostic importance for outcome to HDCT were subjected to univariate analysis for both DFS (Table 3) and OS (Appendix Table A2, online only). Characteristics at initial diagnosis that portended poor DFS included mediastinal primary site (P = .003) and International Germ Cell Cancer Collaborative Group (IGCCCG) risk status before first-line chemotherapy (P = .03). Features at trial enrollment that significantly worsened DFS included human chorionic gonadotropin (HCG) ≥ 1,000 U/mL (P = .02), two or more lines of prior systemic therapy (P = .004), three or more metastatic sites (P = .03), and lung metastases (P = .004). Patients with lymph-node-only metastases (P = .02) and any retroperitoneal metastasis (P = .01) had improved DFS. Cisplatin sensitivity (P = .52), histology (seminoma v nonseminoma), and target carboplatin AUC did not have a significant impact on DFS. Similar results were found for OS (Appendix Table A2).

Table 3.
Univariate Analysis of Prognostic Factors for DFS

Of 21 patients with primary mediastinal nonseminomatous GCT (PM-NSGCT), five (24%) achieved long-term DFS and six (29%) achieved OS. Only seven patients had late relapse, limiting its evaluation as a negative prognostic factor. However, two remain continuously disease-free suggesting a lack of complete resistance to HDCT. One of three female patients also achieved long-term DFS and OS, whereas both patients with pineal gland primary tumors are alive, with one continuously disease-free.

Six patients were excluded from the MVA of DFS and OS (Table 4) because their IGCCCG risk classification could not be determined: one had missing baseline information and five were either female (n = 3) or had CNS primary tumors (n = 2), groups excluded from the model. On MVA for DFS, four variables retained statistical significance: mediastinal primary site (P = .001), two or more lines of prior therapy (P = .001), HCG ≥ 1,000 U/mL (P = .003), and the presence of lung metastases (P = .02). For OS, four factors were again significant on MVA (Table 4): two from the DFS analysis (mediastinal primary site [P = .01] and two or more lines of prior therapy [P = .001]) and two additional variables (IGCCCG risk classification at diagnosis [P = .006] and three or more metastatic sites [P = .02]).

Table 4.
Multivariate Analysis of Prognostic Factors for DFS and OS

Evaluation of Einhorn and Beyer Prognostic Models

Two established prognostic models for HDCT were tested for their ability to predict DFS. The Beyer model11 uses five prognostic features to predict outcome: progressive disease before HDCT (1 point), mediastinal primary site (1 point), refractory disease (1 point), absolute refractory disease (2 points), and HCG > 1,000 U/mL (2 points). Patients with 0 points were predicted to achieve a good outcome (good-risk); those with 1 or 2 points, an intermediate outcome (intermediate-risk); and those with 3 or more points, a poor outcome (poor-risk) with respect to both OS and DFS.

Eligibility to our study required PD to prior therapy. Therefore, all 107 patients had Beyer scores of ≥ 1 with none being classified as Beyer good-risk. Nevertheless, the Beyer model effectively separated patients into intermediate-risk (n = 85; 79%) and poor-risk (n = 22; 21%) groups (P < .001) with DFS of 54% and 23%, respectively (Fig 2A). Reclassification based on Beyer score allowed patient stratification into three risk groups: those with 1 point had DFS of 65%, those with 2 points had DFS of 50%, and those with ≥ 3 points had DFS of 23% (P = .01; Fig 2B).

Fig 2.
Kaplan-Meier curves of disease-free survival stratified by (A) Beyer risk group classification, (B) Beyer raw score, (C) Einhorn risk group classification, and (D) Einhorn risk classification with the low- and intermediate-risk cohorts combined into one ...

The Einhorn model6 assigns 3 points for two or more prior lines of therapy, and 2 points each for platinum-refractory disease and initial IGCCCG poor-risk status at diagnosis. Patients are separated into three groups on the basis of their point total (low-risk = 0, intermediate-risk = 2 to 3, high-risk = 4 to 7). IGCCCG risk status could not be determined for six patients, and an additional 28 patients would have been excluded from HDCT at Indiana University because of mediastinal primary site (n = 21) or late relapse (n = 7).6 The remaining 73 patients had a 62% 5-year OS and 57% 5-year DFS, higher than for the entire population but not statistically significant. Separating these 73 patients by Einhorn score yielded 11 (15%) low-risk, 28 (38%) intermediate-risk, and 34 (47%) high-risk patients. Median DFS was 16.4 months for the high-risk group and was not reached for the low- and intermediate-risk groups. This stratification was not significant (P = .14), primarily because of a lack of separation between the intermediate- and low-risk groups (Fig 2C). However, by combining the low- and intermediate-risk patients into a single cohort, the model reached statistical significance (P < .05; Fig 2D).

Applying the Einhorn model to all 101 patients (including those with PM-NSGCTs or late relapses) for whom a score could be calculated resulted in similar findings. Again, outcomes for intermediate-risk (n = 35) and low-risk (n = 11) patients overlapped, but both groups achieved significantly better DFS than those classified as Einhorn high-risk (n = 55; P = .02; Appendix Fig A1, online only). Of note, neither the Beyer nor Einhorn models identified a subgroup of patients with < 20% 5-year DFS.


This prospective trial demonstrates the effectiveness of TI-CE HDCT in GCT patients predicted to have a poor outcome to conventional-dose chemotherapy. The major findings include a 52% 5-year OS and 47% 5-year DFS—encouraging results for this group. These rates improve to 62% (5-year OS) and 57% (5-year DFS) when patients with PM-NSGCTs and late relapses are excluded, approximating the outcomes reported by Einhorn et al6 despite a higher proportion of TI-CE patients being platinum refractory, achieving an IR to first-line therapy, and having higher Beyer and Einhorn scores (Appendix Table A3, online only).

Although the Einhorn regimen and TI-CE are both based on administration of high-dose CE, important differences with TI-CE include using preparative chemotherapy (cycles 1 and 2) before stem-cell collection in all patients, administering three rather than two high-dose cycles, dosing carboplatin by target AUC rather than body surface area, and not using adjuvant oral etoposide (prescribed for 3 months following HDCT at Indiana University).6 The current doses and schedule of TI-CE (as reflected by National Comprehensive Cancer Network [NCCN] guidelines17) are provided in Appendix Table A3.

While TI-CE patients were more similar to those reported by Beyer, some differences should be emphasized. First, the Beyer model was published 13 years ago, when HDCT was less standardized and bone marrow-derived rather than peripheral blood stem cells were used for support. Second, Beyer's data were derived from a heterogeneous group of patients treated with several different HDCT regimens at multiple institutions. Third, larger proportions of Beyer's patients were cisplatin-sensitive and achieved favorable responses to first-line chemotherapy. Finally, some of Beyer's patients received HDCT without PD, whereas all of our patients (and those reported by Einhorn) were required to have PD in order to receive HDCT.

Despite these differences, three of the four factors predicting DFS in this study were previously identified by either Beyer11 (mediastinal primary site, HCG ≥ 1,000 U/mL) or Einhorn (two or more lines of prior chemotherapy).6 In contrast, we found no relationship between cisplatin refractoriness and outcome as reported by both Beyer and Einhorn. This could reflect population differences or a specific effect of TI-CE in overcoming platinum resistance.

Rather than developing another prognostic classification, we chose to apply the Beyer and Einhorn models to our population and found both effectively stratified patients into good- and poor-risk groups. Limitations of the Einhorn model in our cohort included a lack of applicability to 34 patients with PM-NSGCT or late relapse or for whom initial IGCCCG risk group could not be determined. In addition, no significant separation in DFS curves was observed between Einhorn low- and intermediate-risk groups. The model did however identify a high-risk group of patients distinct from these other two subsets.

Disadvantages of the Beyer model relate to inclusion of two variables with limited clinical applicability. As previously mentioned, today's standards recommend that HDCT be reserved for patients with PD, eliminating the utility of this factor and resulting in none of our patients qualifying as Beyer good-risk. Similarly, absolute refractory disease is quite rare (< 2% in this series), limiting the contribution of this variable. Nevertheless, the Beyer system effectively separated TI-CE patients into intermediate- and poor-risk cohorts, likely because of population similarities and the strength of remaining variables in the model. Furthermore, refining the point cutoffs to account for TI-CE patients uniformly having PD before HDCT yielded three distinct prognostic groups with DFS of 65%, 50%, and 23%.

Importantly, a significant proportion of patients within even the worst Beyer (23%) and Einhorn (40%) risk groups achieved long-term DFS. Therefore, neither identifies a patient subset for which HDCT should be completely disregarded. This is supported by the encouraging finding of 24% long-term DFS for patients with PM-NSGCTs treated with TI-CE. Indiana University abandoned salvage HDCT for PM-NSGCT in the mid-1990s after no durable CRs were achieved among the first 13 patients.6 Similarly, Beyer et al11 reported a failure-free survival of only 12% for PM-NSGCT patients undergoing HDCT. It is unclear whether our more favorable results relate to general improvements in HDCT and postchemotherapy surgery over the past decade or to a specific benefit of our regimen. Nevertheless, these findings support continued consideration of such patients for HDCT since no other available therapy offers this degree of success.

Selection of optimal salvage treatment for relapsed or refractory GCT patients remains limited by the multiple different prognostic models available for both conventional and HDCT, each developed from distinct patient populations. A multi-institutional international collaboration18 was recently formed with the goal of establishing a universally accepted prognostic model for initial salvage treatment. Incorporating tumor biology into future prognostic models might also enhance utility and applicability. We recently identified a GCT gene signature that predicted 5-year OS independent of IGCCCG classification and distinguished patients within the same IGCCCG group.19 Combining such analyses with clinical features could improve on existing prognostic systems.

In summary, TI-CE HDCT is highly effective for patients predicted to have poor outcomes with conventional-dose chemotherapy and represents our standard approach for this patient population at MSKCC. Mediastinal primary tumor site, HCG ≥ 1,000 U/mL, two or more lines of prior therapy, three or more metastatic sites, and IGCCCG intermediate- or poor-risk classification at diagnosis are independently predictive of DFS and/or OS. Einhorn and Beyer models effectively distinguish good-risk from poor-risk patients and therefore may provide useful information for patients considering HDCT. However, our data suggest that in the absence of safety concerns, no subgroup of patients, including those with mediastinal primaries, is so unfavorable that consideration of HDCT should be excluded.

Supplementary Material

Publisher's Note:


Fig A1.

An external file that holds a picture, illustration, etc.
Object name is zlj9990997120003.jpg

Kaplan-Meier curves of disease-free survival stratified by Einhorn risk classification for all patients for whom an Einhorn score could be calculated (n = 101), including the 28 patients with primary mediastinal nonseminomatous germ cell tumors or late relapse who were ineligible for high-dose chemotherapy at Indiana University. Einhorn low- and intermediate-risk cohorts have been combined into one group.

Table A1.

TI-CE Regimen

Cycle No.No. of Days per CycleDosage and Schedule
1-214Paclitaxel at 200 mg/m2 IV over 24 hours on day 1
Ifosfamide at 2,000 mg/m2 IV over 4 hours daily, days 2-4 (with mesna protection)
G-CSF at 10 μg/kg/d SC from day 4 until adequate collection or neutrophil recovery*
Leukapheresis daily from day 11 until day 14 or adequate stem cell collection
3-514-21Carboplatin IV dosed to AUC of 7 or 8 over 1 hour daily, days 1-3
Etoposide at 400 mg/m2 IV daily over 4 hours, days 1-3
Stem cell reinfusion (≥ 2 × 106 CD34-positive cells per kilogram) on day 5
G-CSF at 10 μg/kg/d SC from day 3 until neutrophil recovery§

Abbreviations: TI-CE, paclitaxel + ifosfamide and carboplatin + etoposide; IV, intravenously; G-CSF, granulocyte colony-stimulating factor; SC, subcutaneously; AUC, area under the concentration-time curve.

*The first dose of G-CSF is administered 6 hours after completion of the ifosfamide infusion on day 4.
If stem-cell collection is adequate with cycle 1, then leukapheresis does not need to be performed with cycle 2.
AUC of 7 used for patients treated with seven or more prior cycles of cisplatin; AUC of 8 used for patients treated with six or fewer prior cycles of cisplatin.
§Daily G-CSF can be substituted with pegfilgrastim at 6 mg SC as a one-time dose 6 hours after stem-cell infusion on day 5.

Table A2.

Univariate Analysis of Prognostic Factors for OS

VariableTotal No.No. of FailuresMedian OS (months)95% CIP
Primary site
    Mediastinal211512.48.6 to 29.4
Platinum response
    Platinum sensitive2810NR.28
    Platinum refractory773823.415.1 to NR
    Absolute refractory2220.317.0 to 23.5
Platinum response*
    Platinum sensitive2810NR.16
    Any platinum refractory794023.416.3 to NR
Marker values
    HCG, U/L
        < 1,0008737NR.03
        ≥ 1,000201312.88.0 to NR
    AFP, ng/mL
        < 1,0009340NR.06
        ≥ 1,000141019.38.6 to 23.5
    LDH, U/L
        < 1,0009845NR.17
        ≥ 1,000958.15.9 to NR
Prior lines of therapy
    2+261717.09.9 to NR
IGCCCG risk at initial chemotherapy
    Intermediate221412.18.0 to NR
    Poor522723.412.7 to NR
    Not evaluable63NR
No. of metastatic sites
    1 or 2225NR.01
    3+854523.216.3 to NR
Location of metastatic sites
        Present362021.711.7 to NR
    Lung metastases
        Present653721.612.6 to NR
    Liver metastases
        Present241323.49.9 to NR
    BBL metastases
        Present321723.411.3 to NR
    Nodal metastases only
        No834323.215.1 to NR
    Mediastinal metastases
        Present492721.712.6 to NR
    Retroperitoneal metastases
        Absent422517.010.6 to NR
Late relapse
    Yes7522.410.8 to 23.5
Responder to initial chemotherapy
    Yes361838.317.3 to NR.94
Target AUC
    ≤ 21392123.212.2 to NR.27
    ≥ 246829NR
    Hazard Ratio
Continuous variables
    Age0.990.96 to 1.02.34
    (Log) baseline LDH1.711.25 to 2.34.001
    (Log) baseline HCG1.181.04 to 1.33.009
    (Log) baseline AFP1.100.99 to 1.21.06

Abbreviations: OS, overall survival; NR, not reached; HCG, human chorionic gonadotropin; AFP, alpha-fetoprotein; LDH, lactate dehydrogenase; IGCCCG, International Germ Cell Cancer Collaborative Group; NPVM, nonpulmonary visceral metastases; BBL, bone, brain, and liver; AUC, area under the concentration-time curve.

*In this assessment of prior platinum response, platinum refractory, and absolute refractory are combined into one category entitled any platinum refractory.
Indicates the presence of non-nodal sites of metastases.

Table A3.

Patient Characteristics in This Series (MSKCC) Compared With Those Reported by Einhorn et al (Indiana)6

CharacteristicMSKCC (n = 73)*
Indiana (n = 184)
Prior lines of therapy.22
Response to first-line chemotherapy< .001
    Incomplete response537310054
Response to first-line chemotherapy.007
    CR or PR-negative20278446
    Incomplete response537310054
IGCCCG risk group.72
Sensitivity to last platinum therapy< .001
Beyer score§< .001
Einhorn score< .001
    Low (0)11157340
    Intermediate (2-3)28386435
    High (4-7)34474726

Abbreviations: MSKCC, Memorial Sloan-Kettering Cancer Center; CR, complete remission; PR-negative, partial remission with negative tumor markers; PD, progressive disease; HDCT, high-dose chemotherapy; HCG, human chorionic gonadotropin; IGCCCG, International Germ Cell Cancer Collaborative Group.

*Only 73 patients from this series who met criteria for the Einhorn model are included. Thirty-four patients were excluded: seven with late relapse, 21 with primary mediastinal nonseminomatous germ cell tumors, and six with IGCCCG status not calculable.
In this assessment of response to first-line chemotherapy, CR and PR negative are combined into one variable entitled CR or PR-negative.
Two patients were absolute refractory.
§Beyer score: 1 point each for PD before HDCT, primary mediastinal site, and refractory disease before HDCT, and 2 points each for HCG > 1,000 U/L at baseline and absolute refractory disease. Score was recalculated for Indiana patients on the basis of data from the original Beyer report. All patients in both Indiana and MSKCC series had PD before HDCT such that all patients had a Beyer score of 1.
Einhorn score: 3 points for two or more prior lines of chemotherapy, 2 points for platinum-refractory disease, and 2 points for IGCCCG poor-risk classification at initial diagnosis.


Supported by the Sidney Kimmel Center for Prostate and Urologic Cancers, New York, NY, and the Craig Tifford Foundation.

Presented in part at the 45th Annual Meeting of the American Society of Clinical Oncology, May 29-June 2, 2009, Orlando, FL.

Authors' disclosures of potential conflicts of interest and author contributions are found at the end of this article.

Clinical trial information can be found for the following: CT# NCT00002558.


Although all authors completed the disclosure declaration, the following author(s) indicated a financial or other interest that is relevant to the subject matter under consideration in this article. Certain relationships marked with a “U” are those for which no compensation was received; those relationships marked with a “C” were compensated. For a detailed description of the disclosure categories, or for more information about ASCO's conflict of interest policy, please refer to the Author Disclosure Declaration and the Disclosures of Potential Conflicts of Interest section in Information for Contributors.

Employment or Leadership Position: None Consultant or Advisory Role: Dean F. Bajorin, Bristol-Myers Squibb (C), Eli Lilly (C) Stock Ownership: None Honoraria: None Research Funding: Dean F. Bajorin, Bristol-Myers Squibb, Pfizer, Genentech, Eli Lilly Expert Testimony: None Other Remuneration: None


Conception and design: Darren R. Feldman, Joel Sheinfeld, Dean F. Bajorin, Patricia Fischer, Lilian M. Reich, George J. Bosl, Robert J. Motzer

Financial support: George J. Bosl, Robert J. Motzer

Administrative support: Joel Sheinfeld, Dean F. Bajorin, Patricia Fischer, Stefan Turkula, Nicole Ishill, Sujata Patil, Manjit Bains, Lilian M. Reich, George J. Bosl, Robert J. Motzer

Provision of study materials or patients: Darren R. Feldman, Joel Sheinfeld, Dean F. Bajorin, Patricia Fischer, Stefan Turkula, Manjit Bains, Lilian M. Reich, George J. Bosl, Robert J. Motzer

Collection and assembly of data: Darren R. Feldman, Joel Sheinfeld, Patricia Fischer, Stefan Turkula, Nicole Ishill, Sujata Patil, Robert J. Motzer

Data analysis and interpretation: Darren R. Feldman, Dean F. Bajorin, Stefan Turkula, Nicole Ishill, Sujata Patil, Manjit Bains, George J. Bosl, Robert J. Motzer

Manuscript writing: Darren R. Feldman, Nicole Ishill, Sujata Patil, George J. Bosl, Robert J. Motzer

Final approval of manuscript: Darren R. Feldman, Joel Sheinfeld, Dean F. Bajorin, Patricia Fischer, Stefan Turkula, Nicole Ishill, Sujata Patil, Manjit Bains, Lilian M. Reich, George J. Bosl, Robert J. Motzer


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