NCT04214366

Brief Summary

Adenoid cystic tumors are rare tumors of the head and neck region. Despite their slow growth, re-irradiation is often necessary due to the high metastatic risk. Patients are usually irradiated with photons or, as here at the Heidelberg University Hospital, with a combination of carbon ions and photons. So far, there is no data from Europe available for the sole irradiation with carbon ions. The present ACCO (Adenoid Cystic Carcinoma and Carbon ion Only irradiation) study, a prospective, open-label, phase II, single-arm, investigator-initiated study, will therefore investigate the sole radiotherapy of carbon ions in this tumor entity. Irradiation is applied - significantly shorter than the combination therapy - in about 4 weeks (22 fractions); patients are followed up for further 5 years after the start of therapy. Carbon ions alone are expected to increase local tumor control rates from 60% to 70% after 5 years (primary objective criterion of this study). In order to reject the null hypothesis with a power of 80% and a significance level of 5%, 175 patients are included (including a drop-out rate of 15%). Secondary objective criteria are progression-free survival, overall survival, acute and late toxicity, and quality of life.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
314

participants targeted

Target at P75+ for phase_2

Timeline
79mo left

Started Dec 2019

Longer than P75 for phase_2

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress50%
Dec 2019Dec 2032

First Submitted

Initial submission to the registry

September 24, 2019

Completed
2 months until next milestone

Study Start

First participant enrolled

December 1, 2019

Completed
1 month until next milestone

First Posted

Study publicly available on registry

January 2, 2020

Completed
7.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2027

Expected
5 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2032

Last Updated

November 30, 2023

Status Verified

November 1, 2023

Enrollment Period

8 years

First QC Date

September 24, 2019

Last Update Submit

November 29, 2023

Conditions

Keywords

carbon ionheavy ionsalivary gland tumorACCRadiation therapy

Outcome Measures

Primary Outcomes (1)

  • Freedom from loco-regional progression

    Freedom from loco-regional tumor progression according to MR imaging

    at 5 years

Secondary Outcomes (4)

  • Progression-free survival

    at 3 and 5 years

  • Overall survival

    at 3 and 5 years

  • Acute toxicities

    during and up to 6 weeks after radiotherapy

  • Late toxicities

    up to 5 years

Study Arms (2)

Carbon Ion irradiation

EXPERIMENTAL

22 x 3 Gy(RBE) Carbon Ions

Radiation: Carbon ion irradiation

Bimodal Arm

ACTIVE COMPARATOR

25 x 2 Gy photon IMRT and 8 x 3 Gy(RBE) Carbon ion boost

Radiation: Bimodal irradiation

Interventions

22 x 3 Gy(RBE) Carbon Ions

Carbon Ion irradiation

25 x 2 Gy photon IMRT + 8 x 3 Gy(RBE) Carbon ion boost

Bimodal Arm

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Histologically confirmed adenoid cystic carcinoma in the head and neck area
  • Indication for irradiation:
  • non-operable or
  • R1/R2 resected or
  • perineural sheat invasion (Pn+) or
  • pT3/pT4
  • Informed consent
  • KI \> 60% or ECOG 0/1 (minimum: self-sufficiency, normal activity or work not possible)
  • Age 18-80 years

You may not qualify if:

  • rejection of the study by the patient
  • Patient is not able to consent
  • Stage IV (distant metastases), except lung metastases \< 1cm
  • lymph node involvement (clinical or pathological)
  • Previous radiotherapy in the head and neck area
  • Active medical implants for which there is no ion radiation authorization at the time of treatment (e.g., cardiac pacemaker, defibrillator, ...)
  • Contraindication to MR imaging
  • Simultaneous participation in another clinical study that could influence the outcome of this study or the other study
  • Pregnancy

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Heidelberg, Radiooncology, HIT

Heidelberg, 69120, Germany

RECRUITING

Related Publications (1)

  • Lang K, Adeberg S, Harrabi S, Held T, Kieser M, Debus J, Herfarth K. Adenoid cystic Carcinoma and Carbon ion Only irradiation (ACCO): Study protocol for a prospective, open, randomized, two-armed, phase II study. BMC Cancer. 2021 Jul 15;21(1):812. doi: 10.1186/s12885-021-08473-5.

MeSH Terms

Conditions

Carcinoma, Adenoid CysticSalivary Gland Neoplasms

Condition Hierarchy (Ancestors)

AdenocarcinomaCarcinomaNeoplasms, Glandular and EpithelialNeoplasms by Histologic TypeNeoplasmsMouth NeoplasmsHead and Neck NeoplasmsNeoplasms by SiteMouth DiseasesStomatognathic DiseasesSalivary Gland Diseases

Study Officials

  • Klaus Herfarth, Prof. Dr.

    University Hospital Heidelberg

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Prof. Dr. Klaus Herfarth, Vice chair Dept. of Radiation Oncology

Study Record Dates

First Submitted

September 24, 2019

First Posted

January 2, 2020

Study Start

December 1, 2019

Primary Completion (Estimated)

December 1, 2027

Study Completion (Estimated)

December 1, 2032

Last Updated

November 30, 2023

Record last verified: 2023-11

Locations