Elsevier

Gynecologic Oncology

Volume 116, Issue 3, March 2010, Pages 326-331
Gynecologic Oncology

The prophylactic conversion to an extended infusion schedule and use of premedication to prevent hypersensitivity reactions in ovarian cancer patients during carboplatin retreatment

https://doi.org/10.1016/j.ygyno.2009.10.070Get rights and content

Abstract

Objective

Repeated exposure to carboplatin can lead to hypersensitivity reactions during retreatment with carboplatin. This may prevent its further use in platinum-sensitive ovarian cancer patients. At our institution, an increasing proportion of patients are prophylactically converted to an extended schedule of infusion after 8 cycles of carboplatin. We sought to determine whether an incrementally increasing, extended 3-hour infusion of carboplatin with appropriate premedication was associated with a lower rate of hypersensitivity reactions compared to the standard 30-minute schedule in sequentially treated patients.

Methods

We performed a retrospective electronic medical record review of patients with recurrent ovarian cancer retreated with carboplatin at our institution from January 1998 to December 2008.

Results

Seven hundred and seventy-seven patients with relapsed ovarian, fallopian tube, or primary peritoneal cancer were retreated with carboplatin and met study inclusion criteria. Of these, 117 (17%) developed hypersensitivity reactions during second-line or greater carboplatin-based treatment for recurrent disease. Only 6 (3.4%) of the 174 patients who received the extended schedule developed hypersensitivity reactions (0% grade 4; 50% grade 3) compared to 111 (21%) of 533 patients in the standard schedule group (13% grade 4; 77% grade 3). The first hypersensitivity episode occurred after a median of 16 platinum (carboplatin and cisplatin) treatments in the extended group compared to 9 in the standard group. Using the Fisher exact test, there was an association with a reduced incidence of hypersensitivity reactions with the extended infusion schedule (P < 0.001).

Conclusion

Our data suggest appropriate premedication and prophylactic conversion to an extended infusion during carboplatin retreatment may reduce hypersensitivity reactions.

Introduction

Hypersensitivity reactions (HSRs) can occur in epithelial ovarian cancer patients during retreatment with carboplatin, preventing further use of carboplatin. The risk of HSRs rises with increased lifetime carboplatin exposure and with a longer platinum-free interval [1], [2], [3]. Patients with recurrent epithelial ovarian cancer are frequently retreated with carboplatin for platinum-sensitive recurrent disease. The risk of HSRs in this population was as high as 44% in one series [4].

The clinical symptoms of carboplatin HSR are heterogeneous. Treatment of acute reactions with antihistamines and corticosteroids is often required. There is, however, the possibility of severe cardiopulmonary compromise, and even death, despite aggressive resuscitative efforts [3]. For this reason, in recurrent epithelial ovarian cancer, where treatment is noncurative and several alternative non-platinum-based options exist, one must weigh the risks and benefits of further carboplatin treatment.

The recently published 2009 National Comprehensive Cancer Network (NCCN) ovarian cancer guidelines recommend that patients are counseled regarding the risk of HSRs associated with repeat use of platinum drugs [5]. They emphasize the importance of educating patients about the symptoms of HSRs. In addition, they recommend that carboplatin retreatment is administered in an appropriately equipped medical setting by staff familiar with the management of HSRs. In patients who experience severe, life-threatening carboplatin HSR, further exposure to platinum agents should be avoided. In the case of less severe HSR, a desensitization protocol is recommended for any subsequent rechallenge with carboplatin.

Using a desensitization protocol, patients with a history of carboplatin HSR are sometimes able to receive additional platinum treatment. We hypothesized that, by prophylactically changing patients to a prolonged infusion in advance of HSR occurrence, the risk of developing HSR over the course of retreatment might be lessened. This became usual practice by several treating physicians at our center. We report the incidence of carboplatin HSRs among a large, retrospective series of patients prophylactically converted to an extended schedule of carboplatin administration after approximately 8 cycles of treatment. The objective of this retrospective study was to determine whether the extended schedule of carboplatin administration was associated with a lower rate of HSRs compared to the standard schedule in sequentially treated patients at Memorial Sloan-Kettering Cancer Center (MSKCC).

Section snippets

Methods

We performed a comprehensive retrospective electronic medical record review of patients with epithelial ovarian, fallopian tube, or primary peritoneal cancer who received retreatment with carboplatin for recurrent disease between January 1998 and December 2008. Approval from the MSKCC Institutional Review Board was obtained. To identify patients who received second-line or greater carboplatin treatment, the pharmacy database was examined for patients who had received at least one partial dose

Results

We identified 715 patients who received retreatment with second-line or greater carboplatin at our center between January 1998 and December 2008. Eight patients (1.1%) were excluded from the analysis—7 had a history of preexisting carboplatin allergy and 1 had a prior history of cisplatin allergy.

Of the remaining 707 patients, 117 (16%) had a documented carboplatin HSR during second-line or greater carboplatin-based treatment. Characteristics of this cohort are listed in Table 2. The median age

Discussion

To date, platinum compounds remain the most active agents for recurrent platinum-sensitive ovarian cancer [8]. Carboplatin HSR is rarely (< 1% of patients) seen during the first course of carboplatin treatment [9]. This risk, however, rises considerably with increased platinum exposure [1], [10]. Clinical manifestations of carboplatin HSR, such as skin rash, flushing, itching, and abdominal cramping, usually resolve quickly following administration of antihistamines and steroids [11]. However,

Conclusion

Retreatment with carboplatin for women with recurrent platinum-sensitive ovarian, fallopian tube, or primary peritoneal cancer was associated with a 17% incidence of grade 2 or worse carboplatin HSRs. Patients who received all carboplatin retreatment by 3-hour infusion after a lifetime total of 8 cycles of carboplatin appear to have had a lower risk of HSRs and received more total lifetime cycles of carboplatin before HSR developed. The contribution of the extended schedule versus the

Conflict of interest statement

1. Roisin O'Cearbhaill: no conflicts of interest to declare

2. Qin Zhou, MA: no conflicts of interest to declare

3. Alexia Iasonos, PhD: no conflicts of interest to declare

4. Martee L. Hensley, MD: no conflicts of interest to declare

5. Carol Aghajanian, MD: no conflicts of interest to declare

6. David R. Spriggs, MD: receives funding from Bristol Myers Squibb

7. Stuart M. Lichtman, MD: no conflicts of interest to declare

8. William P. Tew, MD: no conflicts of interest to declare

9. Paul Sabbatini,

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