J Cancer 2012; 3:454-458. doi:10.7150/jca.4807 This volume Cite

Research Paper

Treatment of Advanced or Recurrent Cervical Cancer with Cisplatin or Cisplatin Containing Regimens: A Cost Effective Analysis

John P. Geisler Corresponding address, Jayanth Swathirajan, Katherine L. Wood, Kelly J. Manahan

Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, USA.

Geisler JP, Swathirajan J, Wood KL, Manahan KJ. Treatment of Advanced or Recurrent Cervical Cancer with Cisplatin or Cisplatin Containing Regimens: A Cost Effective Analysis. J Cancer 2012; 3:454-458. doi:10.7150/jca.4807. https://www.jcancer.org/v03p0454.htm
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Background: Trials have demonstrated improvements in survival with adding paclitaxel (P) or topotecan (T) to cisplatin (C) for the treatment of advanced cervical cancer. We sought to evaluate the cost effectiveness of these regimens.

Methods: A decision model was developed based on Gynecologic Oncology Group (GOG) protocols 169 and 179. Arm 1 is 6 cycles of cisplatin. Arm 2 is 6 cycles of CP while arm 3 is 6 cycles of CT. Parameters include overall survival (OS), cost and complications. Sensitivity analyses were performed.

Results: The incremental cost-effectiveness ratio (ICER) for C versus CP is $13,654/quality-adjusted life-year (QALY) gained. For CT compared to C, the ICER is $152,327/QALY. When compared simultaneously, CT is dominated. At a willingness to pay (WTP) threshold of $50,000/QALY, C is the preferred option but CP is acceptable. Sensitivity analyses suggest that CT would become the preferred option if it was to improve OS to 24 months (compared to 9.4 months).

Conclusions: In this model, CP is an acceptable alternative to cisplatin for the treatment of these patients with an increase in cost of only $13,654/QALY. The addition of topotecan did not increase survival enough to justify the increased cost.

Keywords: cervical cancer, chemotherapy, cisplatin, paclitaxel, topotecan.


Fortunately in the United States, cervical cancer has become dramatically less common over the last five to seven decades1. Currently, 12,710 cases are discovered annually in the United States2. While the annual rate has dropped in the United States, in less developed countries more than 17 cases are found per 100,000 women1. Cervical cancer has been closely related to low socio-economic status in developed countries3. The economic burden to a country is significant and appears to be greater than $13,000/patient diagnosed with a new case4. This number shifts significantly if patients are found with more advanced disease rather than early curable disease.

The Gynecologic Oncology Group (GOG) has published multiple papers examining the best chemotherapy regimen for treatment of women with advanced or recurrent cervical cancer. In 2004, Moore and colleagues published GOG 169 examining the survival differences in women with advanced, recurrent or persistent squamous cell carcinoma treated with cisplatin and those treated with cisplatin/paclitaxel (CP)5. Although a two month increase in progression free survival was found, the overall survival was not different (8.8 months vs. 9.7 months) and there were increased complications in the CP arm. A year later, Long published GOG 179 examining a similar population treated with cisplatin versus cisplatin/topotecan (CT)6. In Long's study, CT had a 2.9 month overall increase in survival over cisplatin (9.4 months vs. 6.5 months). This study was hailed as the first study to show an increased survival for combination therapy over cisplatin alone making CT the standard of care. No analysis of the cost such a small increase in survival would cause was performed. US healthcare related costs are expected to account for 25% of the gross domestic product by 20147. With current governmental budgetary demands, this level of healthcare expenditure is not sustainable. Chemotherapeutic agents represent the most expensive drugs used by practitioners today, therefore it is prudent to examine its cost effectiveness.

Although there was a significant increase in survival, the addition of topotecan increases the cost of therapy and management of side effects. The objective of this study is to perform a cost effectiveness analysis of these two studies to determine which regimen is most cost effective. This analysis would hopefully allow a rational use of chemotherapy.

Materials and Methods

A decision analytic model was created to estimate the costs and outcomes of treating women with advanced, recurrent or persistent squamous cell carcinoma treated with cisplatin (arm 1) versus cisplatin with paclitaxel (CP) (arm 2) versus cisplatin with topotecan (CT) (arm 3) using a health system perspective (Figure 1) 5,6. None of the authors had access to results from GOG 169 or 179 beyond what was published in the referenced articles. In the model analysis, all patients were treated with 6 cycles of chemotherapy. An average patient was assumed to be a 65 year old with a body surface area of 2 m2 with a height of 165 cm, weight of 100 kg and an ideal body weight of ideal body weight 57 kg and a creatinine of 0.8 mg/dL. (Cockcroft & Gault actual weight).

In arm 1, patients receive cisplatin 50 mg/m2 q 21 days for 6 cycles. In arm 2, all patients received cisplatin 50 mg/m2 and paclitaxel 135 mg/m2 q 21 days for 6 cycles. In arm 3, patients received 50 mg/m2 on day 1 q 21 days for 6 cycles, and topotecan 0.75 mg/m2 on day 1,2,3 q 21 days for 6 cycles. Probabilities for complications, recurrence, and survival were derived from the results of the GOG 169 and GOG 179 randomized trials as detailed below5,6. We did not adjust complication, recurrence, or survival rates for age, and we assumed that experiencing a grade 3 or worse complication did not affect recurrence or survival rates. Utility values were used from literature8.

With additional agents added to cisplatin (paclitaxel or topotecan), the risk of grade 3 or greater complications increased but overall survival increased. These estimates were based on 2011 Medicare costs as well as published figures. The values used in the base case, as well as the ranges used for sensitivity analysis, are shown in Table 1.

 Table 1 

Range in months over which survivals were varied.

TreatmentBase caseLowHigh
 Figure 1 

Decision tree outlining the major decision points in the analysis. CDDP = cisplatin regimen; CP = cisplatin/paclitaxel regimen; and CT = cisplatin/topotecan regimen.

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Because of the uncertainty surrounding all estimates, values were varied widely in sensitivity analysis to determine the effect on results. One-way sensitivity analysis was performed on all variables. Incremental cost-effectiveness was measured as cost per quality adjusted life year survival, calculated by dividing the difference in cost between the strategies by the difference in survival among the strategies. A willingness to pay threshold of $50,000 per quality adjusted life year was chosen as an acceptable increase in cost.


GOG 169 demonstrated no difference in overall survival with the CPPD arm having a survival of 8.8 months while the CP arm had an overall survival of 9.7 months. In contrast, GOG 179 showed that the CT arm was superior with an overall survival of 9.4 months versus the cisplatin arm's survival of only 6.5 months. These numbers made up the base case analysis. The difference in the cisplatin treated population's survival between 169 and 179 was accounted for in sensitivity analysis. Table 1 gives the survival and sensitivity data used in analysis.

Although the least effective drug in both GOG 169 and 179, cisplatin (arm1) was the most cost-effective. The combination CP did not significantly increase the survival over cisplatin alone per GOG 169 and gave an increased cost effectiveness ratio (ICER) of $13,654/QALY. If the survival from GOG 179 for cisplatin was used instead, ICER would be $10,994/QALY. Using the base case survival for cisplatin from GOG 169 and comparing it to the data from GOG 179, CT is dominated as compared to the other two regimens (Figure 2). As compared to cisplatin, CT does give increased overall survival but it does so at an ICER of $579,170/QALY. Table 2 shows the one way sensitivity data varying the costs over the range specified in Table 1.

GOG 179 had a much lower survival for patients receiving cisplatin of 6.5 months compared to 8.8 months for patients on GOG 169. If this overall survival is used the ICER for CT decreases is $152,327/QALY. Thus, even with the lower survival of GOG 179 with cisplatin it is still a more cost effective regimen compared to CT. To make this regimen cost effective with an ICER less than the WTP threshold of $50,000/QALY the overall survival would have to increase to 24 months from the published 9.4 months. Even if the survival of CT were increased 50% to >14 months, the increased cost effectiveness ratio per quality adjusted life year gained is $66,400.

 Figure 2 

Cost effectiveness diagram with cost on the vertical access in dollars and relative effectiveness on the horizontal access. The shape legends are contained on the figure.

J Cancer Image
 Table 2 

Sensitivity analysis varying chemotherapy costs.

TreatmentOverall survival monthsChemotherapy costs alone / patient ($)Direct costs / patient
Direct and indirect costs / patient ($)ICER / QALY
 Table 3 

Sensitivity analysis varying chemotherapy costs.

TreatmentOverall survival monthsDirect and indirect costs / patient ($)ICER / QALY
CP9.7 → 14.636,97810,994→6,150
CT9.4 → 14.149,071133,067→66,400


Cisplatin chemotherapy is commonly used for the treatment of cervical cancer. This includes both as a radiation sensitizing agent and as a systemic treatment for advanced, persistent or recurrent cervical cancer5,6, 9. When comparing GOG 169 and 179, the cisplatin doublets both had similar overall survivals of between 9 and 10 months while cisplatin had a large drop in survival from 8.8 months in GOG 169 to 6.5 months in GOG 179. It is not known whether this is just a random event or if it is demonstrating decreasing efficacy of cisplatin regimens because of increased use of the drug as a radiation sensitizer. This change needs to be followed up both clinically and from a cost effective analysis point of view to help design cost-effective future regimens. In Paton's analysis for the National Health Service in the United Kingdom, the authors had access to data which was not reported or specifically delineated in the referenced reports5,6.

The model analysis showed that although the survival in the cisplatin population is lower than in arm 2 or 3, it is still the most cost effective medication currently studied. In GOG 169, CP increased overall survival from the cisplatin treated population's overall survival of 8.8 months to 9.7 months5. This difference was not found to be statistically significant. The ICER was $13,654/QALY. If a survival of 6.5 months for cisplatin is used, the ICER is $10,994/QALY. Although these increases are well below the standard acceptable WTP of $50,000/QALY, there is no persuasive evidence to use CP as the new standard of care because GOG 169 did not show a significant increase in survival.

In GOG 179, the cisplatin population's overall survival dropped to 6.5 months. In comparison, the CT population's overall survival was 9.4 months. Although this was smaller than the survival found using CP in GOG 169, the 2.9 month increase was seen as a significant survival increase (P 0.015)6. The ICER compared to a cisplatin if a survival of 8.8 months is used is $194,578/QALY and still $130,067/QALY if a survival for the cisplatin population of 6.5 months is used.

The real point of cost analysis is to determine when a new paradigm should occur because a new regimen is both better (efficient) and not overly costly. Using the two studies (GOG 169 and 179) cisplatin in combination with the presented cost effective analysis data, cisplatin should still be considered the clinical standard of care. While CP had the longest survival, it was not statistically significant due to the better survival the cisplatin alone had in GOG 169 compared to 179. CT had a significantly longer survival than cisplatin, but it was not cost effective. The current economic environment requires us as physicians to realize that small increases in survival may not necessitate changes of standard of care if they are not economically feasible.

The National Institute for Health and Clinical Excellence (NICE) in the United Kingdom approved CT for use in a very select subset population10. This population was different than the general population and included only those without prior platinum exposure. That specific population was not studied specifically in the current article. NICE also had access to data from the articles that was not published10.

An alternative would be to change the cost of the medications. If the drug cost of for each 3 day cycle of topotecan were to drop from $1230 to $0, the overall cost would still be higher than cisplatin alone, and would still not fall under the WTP ratio of $50,000/QALY ($62,246/QALY). Even if the topotecan were free, it would be dominated by CP because CT has many more complications.


We thank Women's Oncology Research and Dialogue Foundation for support.

Competing Interests

The authors have declared that no competing interest exists.


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Author contact

Corresponding address Corresponding author: John P. Geisler, MD. University of Toledo College of Medicine and Life Sciences, Division of Gynecologic Oncology, 3120 Glendale Avenue, Mail Stop 1194, Toledo, OH 43614. Email: john.geisleredu.

Received 2012-7-2
Accepted 2012-10-17
Published 2012-11-1

Citation styles

Geisler, J.P., Swathirajan, J., Wood, K.L., Manahan, K.J. (2012). Treatment of Advanced or Recurrent Cervical Cancer with Cisplatin or Cisplatin Containing Regimens: A Cost Effective Analysis. Journal of Cancer, 3, 454-458. https://doi.org/10.7150/jca.4807.

Geisler, J.P.; Swathirajan, J.; Wood, K.L.; Manahan, K.J. Treatment of Advanced or Recurrent Cervical Cancer with Cisplatin or Cisplatin Containing Regimens: A Cost Effective Analysis. J. Cancer 2012, 3, 454-458. DOI: 10.7150/jca.4807.

Geisler JP, Swathirajan J, Wood KL, Manahan KJ. Treatment of Advanced or Recurrent Cervical Cancer with Cisplatin or Cisplatin Containing Regimens: A Cost Effective Analysis. J Cancer 2012; 3:454-458. doi:10.7150/jca.4807. https://www.jcancer.org/v03p0454.htm

Geisler JP, Swathirajan J, Wood KL, Manahan KJ. 2012. Treatment of Advanced or Recurrent Cervical Cancer with Cisplatin or Cisplatin Containing Regimens: A Cost Effective Analysis. J Cancer. 3:454-458.

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