PORTEC-2: Post-Operative Radiation Therapy for Endometrial Carcinoma - a multicentre randomised phase III trial comparing external beam radiation and vaginal brachytherapy

ISRCTN ISRCTN16228756
DOI https://doi.org/10.1186/ISRCTN16228756
ClinicalTrials.gov (NCT) NCT00376844
Protocol serial number NTR332; CKTO 2001-04; LUMC P01.146
Sponsor Leiden University Medical Centre (LUMC) (Netherlands)
Funders KWF Kankerbestrijding, Commission for Medical Applied Research (Commissie voor Klinisch Toegepast Onderzoek [CKTO]) (Netherlands)
Submission date
20/12/2005
Registration date
20/12/2005
Last edited
14/02/2020
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Cancer
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English summary of protocol

Not provided at time of registration

Contact information

Dr C.L. Creutzberg
Scientific

Leiden University Medical Centre
Department of Clinical Oncology
P.O. Box 9600
Leiden
2300 RC
Netherlands

Phone +31 (0)71 526 3027
Email c.l.creutzberg@lumc.nl

Study information

Primary study designInterventional
Study designMulticentre, randomised, active controlled, parallel group trial
Secondary study designRandomised controlled trial
Scientific titlePORTEC-2: Post-Operative Radiation Therapy for Endometrial Carcinoma - a multicentre randomised phase III trial comparing external beam radiation and vaginal brachytherapy
Study acronymPORTEC-2
Study objectivesVaginal brachytherapy, as compared to external beam pelvic radiotherapy, will provide equal 5-year vaginal control and overall survival, with less treatment related morbidity and better quality of life.
Ethics approval(s)Received from the local medical ethics committee
Health condition(s) or problem(s) studiedEndometrial carcinoma
InterventionPatients are randomised to receive external beam pelvic radiotherapy (standard arm: 46 Gy in 2 Gy fractions in 5 weeks) or vaginal brachytherapy (study arm: HDR 21 Gy in 3 fractions of 7 Gy, each 1 week apart; or MDR 28 Gy in one session; or LDR 30 Gy in one session).
Intervention typeOther
Primary outcome measure(s)

5-year actuarial vaginal relapse

Key secondary outcome measure(s)

1. 5-year overall survival and cancer-specific survival
2. Quality of life and treatment related morbidity
3. 5-year rates of pelvic and distant relapse
4. Local control and survival after relapse

Completion date01/09/2006

Eligibility

Participant type(s)Patient
Age groupSenior
SexFemale
Target sample size at registration400
Total final enrolment427
Key inclusion criteria1. Endometrial carcinoma, with one of the following combinations of postoperative FIGO stage and age:
1.1. Stage 1C grade 1 or 2 and age 60 or over
1.2. Stage 1B grade 3 and age 60 or over
1.3. Stage 2A, any age, grade 1 or 2
1.4. Stage 2A, any age, grade 3 with less than half myometrial invasion
2. Surgery consisted of a total abdominal hysterectomy and bilateral salpingo-oophorectomy (TAH-BSO)
3. Histologically proven adenocarcinoma; grade of differentiation determined according to the Federation of Obstetricians and Gynaecologists (FIGO)/Armed Forces Institute of Pathology (AFIP) criteria; depth of myometrial invasion documented
4. World Health Organization (WHO) performance status 0 - 2
5. Written informed consent
Key exclusion criteria1. One of the following combinations of FIGO stage and age:
1.1. Stage 2B, 3 or 4
1.2. Stage 2A and grade 3 with 50% or greater myometrial invasion
1.3. Stage IA or IB grade 1 or 2
1.4. Stage 1B grade 3 and age below 60
1.5. Stage 1C grade 1 or 2 and age below 60
1.6. Stage IC grade 3, any age
2. Histological subtypes papillary serous carcinoma or clear cell carcinoma
3. Routine staging lymphadenectomy
4. Interval between the operation and start of radiotherapy exceeding 8 weeks
5. History of any previous malignancy, except for basal cell carcinoma of the skin
6. Previous pelvic radiotherapy
7. Hormonal therapy or chemotherapy for this tumour
8. Prior diagnosis of Crohn's disease or ulcerative colitis
Date of first enrolment01/06/2002
Date of final enrolment01/09/2006

Locations

Countries of recruitment

  • Netherlands

Study participating centre

Leiden University Medical Centre
Leiden
2300 RC
Netherlands

Results and Publications

Individual participant data (IPD) Intention to shareNo
IPD sharing plan summary
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article results 20/07/2009 Yes No
Results article results 06/03/2010 Yes No
Results article results 01/07/2012 Yes No
Results article results 15/11/2015 14/02/2020 Yes No
Study website Study website 11/11/2025 11/11/2025 No Yes

Editorial Notes

14/02/2020: ClinicalTrials.gov number, publication reference and total final enrolment number added.