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Phase I Study Evaluating the Treatment of Patients With Locally Advanced Pancreatic Cancer With Carbon Ion Radiotherapy: The PHOENIX-01 Trial

Phase I Study Evaluating the Treatment of Patients With Locally Advanced Pancreatic Cancer With Carbon Ion Radiotherapy: The PHOENIX-01 Trial

Status
Withdrawn
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01795274
Acronym
PHOENIX-01
Enrollment
0
Registered
2013-02-20
Start date
Unknown
Completion date
Unknown
Last updated
2018-05-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Locally Advanced Pancreatic Cancer

Brief summary

The physical and biological properties of the carbon ion beam promise to improve the therapeutic ratio in patients with pancreatic cancer: Due to the inverted dose profile dose deposition in the entry channel of the beam leads to sparing of normal tissue; the Bragg peak can be directed into the defined target volume, and the sharp dose fall-off thereafter again spares normal tissue behind the target volume. The higher RBE of carbon ions, which has been shown also for pancreatic cancer cell lines in the preclinical setting, is likely to contribute to an increase in local control, and perhaps in OS. Early data from Japanese centers have shown convincing results. The PHOENIX-01 trial is the first trial to evaluate actively delivered carbon ion beams in patients with locally advanced pancreatic cancer within a dose-escalation strategy.

Interventions

Step 1 14 x 3 Gy E 42 Gy E Step 2: 15 x 3 Gy E 45 Gy E Step 3: 16 x 3 Gy E 49 Gy E Step 4: 17 x 3 Gy E 51 Gy E Step 5: 18 x 3 Gy E 54 Gy E

Sponsors

University Hospital Heidelberg
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

Patients meeting all of the following criteria will be considered for admission to the trial: * histologically confirmed locally advanced pancreatic cancer or imaging defined pancreatic cancer combined with elevated CA-19-9 * macroscopic tumor after biopsy * age ≥ 18 years of age * Karnofsky Performance Score \>=60 * For women with childbearing potential, (and men) adequate contraception (sexual abstinence, estrogen- or gestagen containing contraceptive medication etc.) * Female participants: No pregnancy present (pregnancy test required) * Ability of subject to understand character and individual consequences of the clinical trial * Written informed consent (must be available before enrolment in the trial)

Exclusion criteria

Patients presenting with any of the following criteria will not be included in the trial: * distant metastases * refusal of the patients to take part in the study * previous radiotherapy of the abdomen * Patients who have not yet recovered from acute toxicities of prior therapies * Known carcinoma \< 5 years ago (excluding Carcinoma in situ of the cervix, basal cell carcinoma, squamous cell carcinoma of the skin) requiring immediate treatment interfering with study therapy * Pregnant or lactating women * Participation in another clinical study or observation period of competing trials, respectively

Design outcomes

Primary

MeasureTime frameDescription
Acute toxicity of carbon ion radiotherapy observed within 3 months of study treatment3 monthsAcute toxicity of carbon ion radiotherapy observed within 3 months of study treatment

Secondary

MeasureTime frameDescription
imaging response2 years
progression-free survival2 yearsprogression-free survival
overall survival2 yearsoverall survival

Countries

Germany

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 22, 2026