CI

At a glance

ClinicalIndex Comparison Record
Phase 3Recruiting· 1,615 target
Drug / intervention
Olaparib +7 moredrug
Likely dose
Olaparib 300 mgfrom record
Key inclusion· 20
  • Histologically confirmed endometrial cancer of specified histotypes (endometrioid, serous, clear cell, dedifferentiated, undifferentiated, carcinosarcoma, or mixed)
  • Full molecular classification per WHO 2020 diagnostic algorithm
  • Hysterectomy and bilateral salpingo-oophorectomy with or without lymphadenectomy/sentinel node biopsy, no macroscopic residual disease
  • No distant metastases on imaging
Key exclusion· 23
  • History of another primary malignancy in past 5 years, except non-melanoma skin cancer
  • Prior pelvic radiation
  • Pathogenic POLE mutation(s) for p53abn-RED, MMRd-GREEN, and NSMP-ORANGE trials
  • Mismatch repair deficiency for p53abn-RED and NSMP-ORANGE trials

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05255653
NCT05255653Phase 3RecruitingHigh Momentum
Long Recruiting

Refining Adjuvant Treatment IN Endometrial Cancer Based On Molecular Features: the p53abn-RED Trial, the MMRd-GREEN Trial, the NSMP-ORANGE Trial and the POLEmut-BLUE Trial

Leiden University Medical Center·interventional·Posted Feb 24, 2022·Updated May 15, 2026

In Brief

A Phase 3 clinical trial evaluating Olaparib, Pelvic external beam radiotherapy, and 6 other interventions for Endometrial Cancer. Currently recruiting, targeting 1,615 participants across 14 sites in 4 countries.

Signals

Enrolling ahead of pace

Detailed Summary

The RAINBO umbrella program consists of four clinical trials investigating new adjuvant therapies in endometrial cancer patients. Eligible patients will be assigned to one of the four RAINBO trials based on the molecular profile of their cancer: * p53 abnormal endometrial cancer patients to the p53abn-RED trial * mismatch repair deficient endometrial cancer patients to the MMRd-GREEN trial * no specific molecular profile endometrial cancer patients to NSMP-ORANGE trial * POLE mutant endometrial cancer patients to the POLEmut-BLUE trial

Study Details

Timeline

Phase 3Recruiting
2022202320242025202620272028202920302031
First PostedFeb 24, 2022
Enrollment StartNov 11, 2021
Primary CompletionJan 1, 2030
Study CompletionJan 1, 2031
TodayJul 2, 2026
Enrollment to primary: 8.1 yearsPosted 4.4 years agoPrimary completion in 3.5 years

Interventions

Olaparibdrug

300 mg twice daily for one year

Pelvic external beam radiotherapyradiation

45.0-48.6 Gy; 1.8-2.0 Gy per fraction, 5 fractions a week

Chemotherapydrug

Preferably concurrent and adjuvant according to the PORTEC-3 schedule: two cycles of intravenous cisplatin 50mg/m² in the first and fourth week of the pelvic external beam radiotherapy followed by four cycles of intravenous carboplatin AUC 5 and paclitaxel 175 mg/m² at 21-day intervals.

Durvalumabdrug

1500 mg intravenous once every 4 weeks for in total 1 year (13 cycles) starting within the first week of radiotherapy,

Medroxyprogesterone Acetatedrug

Oral medroxyprogesterone acetate for two years

Megestrol Acetatedrug

Oral medroxyprogesterone acetate for two years

Vaginal brachytherapyradiation

Vaginal brachytherapy is to be considered in patients with documented cervical stromal involvement and/or substantial LVSI. Brachytherapy is given with a vaginal cylinder or vaginal ovoids or ring applicator, according to the center's standard technique. When using a cylinder, the active length will ideally be 2-3 cm, with the reference isodose covering the proximal 2.5-3 cm of the vagina. High-dose-rate (HDR) and pulse-dose-rate (PDR) schedules are permitted, which deliver an EQD2 equivalent dose of 10-14 Gy at 5 mm from the vaginal mucosa (to obtain a cumulative EDQ2 of 60 Gy at 5 mm).

Observationother

No adjuvant therapy