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Chemotherapy or Observation in Stage I-II Intermediate or High Risk Endometrial Cancer

This study is currently recruiting participants. (see Contacts and Locations)
Verified August 2012 by Danish Gynecological Cancer Group
European Organisation for Research and Treatment of Cancer - EORTC
Arbeitsgemeinschaft Gynaekologische Onkologie Austria
North Eastern Germany Society of Gynaecologic Oncology
Mayo Clinic
Nordic Society for Gynaecologic Oncology
Belgian Gynaecological Oncology Group
Mario Negri Gynecologic Oncology group (MaNGO) Italy
Information provided by (Responsible Party):
Danish Gynecological Cancer Group Identifier:
First received: November 18, 2010
Last updated: August 10, 2012
Last verified: August 2012

Patients with stage 1 & 2 endometrial cancer are treated with surgery. Despite the fact that disease is confound to uterus, unfortunately some of these patients may relapse and die of their disease. Postoperative radiotherapy cannot improve survival. Chemotherapy has shown survival benefit in more advanced stage disease (stage 3 & 4).

This study evaluates if one can improve survival in intermediate and high risk early-stage patients by offering them postoperative chemotherapy. This is a randomized phase 3 trial where effect of postoperative chemotherapy is compared with postoperative observation alone (standard strategy).

Substudy: Translational research

Condition Intervention Phase
Endometrial Cancer
Drug: carboplatin and paclitaxel
Other: observation
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: A Phase III Trial of Postoperative Chemotherapy or no Further Treatment for Patients With Node-negative Stage I-II Intermediate or High Risk Endometrial Cancer

Resource links provided by NLM:

Further study details as provided by Danish Gynecological Cancer Group:

Primary Outcome Measures:
  • Overall survival [ Time Frame: May 2017 ]
    To detect an overall absolute difference in five-year survival of 10%, from 72% to 82%, at the 2.5% level with 80% power, 135 deaths corresponding to 644 patients are needed. Assuming a dropout rate of 5%, 678 patients have to be accrued, leaving 644 patients for the overall analysis.

Secondary Outcome Measures:
  • Overall Survival in endometrioid subgroup [ Time Frame: May 2017 ]
    In the endometrioid subgroup an absolute difference in five-year survival of 12%, from 74% to 86% is expected. Assuming this, 79 deaths corresponding to 438 patients are needed to yield 80% power at the 2.5% level. Assuming a dropout rate of 5%, 678 patients have to be accrued, leaving 644 patients for the overall analysis and 75% of these, or 483 patients, for the analysis in the endometrioid subgroup.

  • Disease Specific Survival [ Time Frame: May 2017 ]
    Exploratory endpoint

  • Progression-Free Survival [ Time Frame: May 2017 ]
    Exploratory endpoint

  • Toxicity [ Time Frame: May 2017 ]
    Acute toxicity (0-6 months from randomization). Late toxicity is registered during whole study period. Exploratory endpoint

  • Quality of Life [ Time Frame: May 2017 ]

  • Rate of isolated pelvic relapse [ Time Frame: May 2017 ]
    Exploratory endpoint

  • Rate of isolated distant relapse [ Time Frame: May 2017 ]
    Exploratory endpoint

  • Rate of mixed (local & distant) relapses [ Time Frame: May 2017 ]
    Exploratory endpoint

Estimated Enrollment: 678
Study Start Date: December 2011
Estimated Study Completion Date: January 2018
Estimated Primary Completion Date: January 2015 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: Observation
postoperative observation only
Other: observation
active observation
Experimental: Combination chemotherapy
postoperative 6 courses of 3 weekly iv carboplatin-paclitaxel combination chemotherapy
Drug: carboplatin and paclitaxel
6 courses of iv 3-weekly chemotherapy Carboplatin AUC5 Paclitaxel 175mg/m2

Detailed Description:

Patients with medium and high risk stage I and II endometrial cancers have, despite radical surgery, a rather high risk for progression.

Adjuvant radiotherapy was the traditional therapy for many decades. Four randomized phase III studies and a meta-analysis have revealed that adjuvant radiotherapy improves local control at the cost of excessive short and long term toxicity, though has absolutely no impact on survival.

Two phase III studies have randomized between adjuvant radiotherapy versus adjuvant chemotherapy, both failed to show any difference in survival between radiotherapy and chemotherapy, though both studies are criticized for inferior chemotherapy regimens or inclusion of good prognosis patients. The GOG-122 study on more advanced cases (stage 3 & 4) randomized between combination chemotherapy versus whole abdominal irradiation and found significant improvement in survival in the chemotherapy arm.

NSGO-EC-9501 and MaNGO studies have indicated that adjuvant chemotherapy added to adjuvant radiotherapy may improve survival compared to adjuvant radiotherapy alone in early stage medium and high risk patients. One may conclude that impact on survival comes only from chemotherapy. Many investigators have therefore adapted adjuvant chemotherapy as standard treatment in various countries including Denmark. However, such conclusion has low level of evidence, as there are no randomized phase III studies comparing postoperative observation alone versus adjuvant chemotherapy.

It is of utmost importance to demonstrate efficacy of adjuvant combination chemotherapy in a randomized phase III trial comparing to no further treatment in the medium and high risk node negative stage 1 & 2 patients.

Combination chemotherapy regimen of paclitaxel-carboplatin is proposed in this study, as this combination is effective and well tolerated.

The eligible patients for such a study are a fraction of patients with endometrial cancer therefore this study will be performed within the ENGOT collaboration.


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   No

Inclusion Criteria:

Target Population

  1. Only node-negative patients are eligible: Histological confirmed endometrial carcinoma with no macroscopic remaining tumour after primary surgery and lymph-node negative disease, with one of the following postoperative FIGO 2009 stage and grade:

    1. Stage I grade 3 endometrioid adenocarcinoma
    2. Stage II endometrioid adenocarcinoma
    3. Stage I and II type 2 histology (clear cell, serous, squamous cell carcinoma, or undifferentiated carcinoma) Prior therapy
  2. Patients have undergone hysterectomy (total abdominal hysterectomy, radical hysterectomy, laparoscopic or robotic hysterectomy) and bilateral salpingo-oophorectomy (BSO) and pelvic lymphadenectomy (LNE).
  3. LNE: minimum 12 pelvic nodes (6 from each side) should be removed. Para-aortic LNE is optional
  4. Omentectomy strongly recommended in clear cell, serous or undifferentiated carcinoma.
  5. Surgery performed within 10 weeks of randomization. If the dates for hysterectomy and lymph node dissection are different, 10 weeks are counted from the last surgery, and in that case the gap between two surgeries should not exceed 8 weeks.

    Other inclusion criteria

  6. Patients must give informed consent according to the rules and regulations of the individual participating centres
  7. Patients have not received any other anticancer therapy other than surgery.
  8. Adjuvant vaginal brachytherapy is permitted in both arms. In chemotherapy arm, timing of VBT should not cause delay in chemotherapy delivery.
  9. Patients must have a WHO performance status of 0-2
  10. Patients must have an adequate bone-marrow, renal and hepatic function (WBC ≥3.0x109/L, neutrophils ≥1.5x109/L, platelets ≥100x109/L, total S-bilirubin <2 x upper normal value, ALAT <2.5 x upper normal value, estimated GFR >50 ml/min (measured or calculated according to Cockroft-Gault or Jeliffe). Up to 5% deviation for hematological values and 10% deviation for s-bilirubin and ALAT are tolerated.
  11. Life expectancy of at least 12 weeks
  12. Patients must be fit to receive combination chemotherapy
  13. Patient's age >18 years

Exclusion criteria:

Target Disease Exceptions

  1. Carcinosarcoma, Sarcomas or small cell carcinoma with neuroendocrine differentiation.

    Prohibited Treatments and/or Therapies

  2. External Beam Radiotherapy
  3. Concurrent cancer therapy
  4. Concurrent treatment with an anticancer investigational agent or participation in another anticancer clinical trial Other exclusion criteria
  5. Previous or concurrent malignant disease except for curatively treated carcinoma in situ of the cervix or basal cell carcinoma of the skin
  6. Active infection or other serious underlying medical condition, which might prevent the patient from receiving treatment or to be followed
  7. Whatever reasons which interferes with an adequate follow-up
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01244789

Contact: Mansoor R Mirza, MD +4535459624
Contact: Tinne Kirkegaard, CRN +4535459543

Danish Gynecological Cancer Group (DGCG) Recruiting
Copenhagen, Denmark, 2100
Contact: Tinne Kirkegaard, CRN    +4535459543   
Principal Investigator: Mansoor R Mirza, MD         
Sponsors and Collaborators
Danish Gynecological Cancer Group
European Organisation for Research and Treatment of Cancer - EORTC
Arbeitsgemeinschaft Gynaekologische Onkologie Austria
North Eastern Germany Society of Gynaecologic Oncology
Mayo Clinic
Nordic Society for Gynaecologic Oncology
Belgian Gynaecological Oncology Group
Mario Negri Gynecologic Oncology group (MaNGO) Italy
Study Chair: Mansoor R Mirza, MD Danish Gynecological Cancer Group
Principal Investigator: Frederic Amant European Organisation for Research and Treatment of Cancer - EORTC
Study Director: Tinne Kirkegaard, CRN DGCG
  More Information

Responsible Party: Danish Gynecological Cancer Group Identifier: NCT01244789     History of Changes
Other Study ID Numbers: ENGOT-EN2-DGCG/EORTC55102
2010-023081-52 ( EudraCT Number )
Study First Received: November 18, 2010
Last Updated: August 10, 2012

Keywords provided by Danish Gynecological Cancer Group:
endometrial cancer
Stage 1 & 2
intermediate risk
high risk

Additional relevant MeSH terms:
Endometrial Neoplasms
Uterine Neoplasms
Genital Neoplasms, Female
Urogenital Neoplasms
Neoplasms by Site
Uterine Diseases
Genital Diseases, Female
Albumin-Bound Paclitaxel
Antineoplastic Agents, Phytogenic
Antineoplastic Agents
Tubulin Modulators
Antimitotic Agents
Mitosis Modulators
Molecular Mechanisms of Pharmacological Action processed this record on May 22, 2017