The purpose of this study is to determine whether treatment with etoposide, doxorubicin, cisplatin and mitotane (EDP/M) prolongs survival as compared to streptozotocin and mitotane (Sz/M) in patients with advanced adrenocortical carcinoma (ACC) whose disease is not amenable to complete surgical resection.
The Firm-ACT trial is the first ever conducted randomized controlled phase III trial in adrenocortical carcinoma (ACC), a rare malignancy with poor prognosis. It will provide results leading to the establishment of an urgently needed gold standard chemotherapy regimen for patients with locally advanced or metastatic ACC. To this end the trial compares the two most promising drug combinations investigated in phase II trials, considered by the "International Consensus Conference on Adrenal Cancer" (Ann Arbor/USA, 2003) as valuable first line treatments for advanced ACC. The first regimen consists of etoposide, doxorubicin, cisplatin plus mitotane (EDP-M), the second regiment employs streptozotocin plus mitotane (Sz-M). Over a period of five years this international trial will include 300 patients with advanced ACC from different European countries. Blood mitotane concentrations will be monitored, aiming at drug levels between 14 - 20 mg/L. Patients not responding to the first line treatment will be switched to the alternative regimen. The primary objective of this trial is to investigate whether EDP-M given as first line treatment will prolong survival as compared to Sz-M. Secondary endpoints are quality of life, time to progression, best overall response rate and duration of response. In addition, the trial evaluates the role of reaching therapeutic mitotane serum concentrations for survival and tumour response and assesses the value of the two alternative treatment regimens as second line therapy in advanced ACC. Moreover, the FIRM-ACT trial will generate a lasting structural basis for successful future trials in ACC. In a substudy of 40 patients a detailed analysis of the pharmacokinetics of oral mitotane will be analysed. Two different mitotane treatment regimens ("low dose" vs. "high dose") will be compared.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
304
Overall Survival
participants who died among those randomized to first-line therapy
Time frame: every 8 weeks until death up to 5 years
Progression-free Survival
Time frame: every 8 weeks until progression or death up to 5 years
Change in Quality of Life as Measured by QLQ-C30
scale ranged from 0 to 100 with higher score meaning greater quality of life
Time frame: baseline and 8 weeks
Best Overall Response Rate
RECIST 1.0 was used to evaluate response
Time frame: every 8 weeks up to 5 years
Number of Disease-free Patients
complete response or disease-free by time of surgery
Time frame: every 8 weeks until progression (up to 5 years)
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National Cancer Institute - Center for Cancer Research
Bethesda, Maryland, United States
University of Michigan, Department of Internal Medicine
Ann Arbor, Michigan, United States
Royal Adelaide Hospital
Adelaide, Australia
University of Graz
Graz, Austria
Clinique Marc Linquette
Lille, France
Centre Leon Berard
Lyon, France
Hospital de Marseille la timone
Marseille, France
Cochin Hospital
Paris, France
Hospital Bordeaux haut leveque
Pessac, France
Institut Gustave Roussy
Villejuif, France
...and 22 more locations