Adaptive Radiation for Abdominopelvic Metastases

NCT05880667 | Recruiting Phase 1 DMC

• 2 other identifiers: RT-21823-1012
• Study Type: interventional
• Target: 30
• Locations: 1 country
• Sites: 1

Brief Summary

Single arm Phase I trial of adaptive stereotactic body radiation (SBRT) for abdominopelvic metastases. Adaptive SBRT will allow for escalation of the prescription dose and target coverage while maintaining grade 3+ toxicity no greater than 10%. Subjects with metastatic cancer to the abdomen or pelvis requiring local control or palliation will be enrolled.

Conditions

Neoplasm - Soft Tissue Pelvis Malignant Secondary; Malignant Neoplasm of Stomach

Outcome Measures

Primary Outcomes (1)

• To assess the ability of adaptive SBRT to deliver increased doses of radiation safely to patients with challenging anatomical locations of metastatic disease without causing unacceptable toxicity.

  Cohorts of size 10 will be enrolled, Severe (grade 3) toxicity occurring within 3 months of treatment that is possibly, probably, or definitely related to trial therapy will be assessed.

  3 months

Study Arms (1)

Adaptive Stereotactic Body Radiation

EXPERIMENTAL

Simulation and treatment to be performed over 3-4 weeks per dose escalation

Radiation: Adaptive Stereotactic Body Radiation

Interventions

Adaptive Stereotactic Body Radiation RADIATION

Radiation therapy is given following generation of planning imaging at the time of simulation. A recent development has been diagnostic quality onboard imaging incorporated within radiation treatment machines. The incorporation of onboard imaging into standard practice has allowed the use Stereotactic Body Radiation (SBRT), which is a precise radiation technique that allows safe delivery of ablative radiation doses. More recently, the development of improved technologies and software have allowed radiation plans to be generated and delivered that are specific to the anatomy of the very moment the patient is being treated. This novel ability to adjust the radiation treatment plan based upon real time imaging is termed adaptive radiation therapy. This study will utilize the novel adaptive radiation therapy technology in a patient population with technically challenging disease to deliver ablative radiation with an appropriately low toxicity rate.

Adaptive Stereotactic Body Radiation

Eligibility Criteria

• Age: 18 Years+
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• Subjects must have histologically or cytologically confirmed cancer that is metastatic (all solid tumor types accepted), with at least one target lesion untreated by radiation, IR techniques, or growing in the abdomen or pelvis. Adjacent lymph nodes in the same region (5 cm or closer) constitute one active lesion. Target lesion must be measurable according to RECIST v 1.1. Previous systemic therapies are allowed.
• Age \> 18 years.
• ECOG performance status 0 or 1
• Estimated survival of \>/= 12 months
• Subjects must have normal organ and marrow function as defined below
• Absolute neutrophil count \> 1,500/mcL
• Platelets \> 100,000/mcL
• Total bilirubin \< 2 mg/dL
• AST/ALT (SGOT/SGPT) \< 5X ULN
• Creatinine \< 1.5X ULN OR
• Creatinine clearance ≥ 50 ml/min/1.73 m2 for subjects with creatinine levels above institutional normal

You may not qualify if:

• Subjects must not be experiencing toxicity due to prior therapy that has not resolved to ≤Grade 1 by study registration, with the exception of sensory neuropathy related to previous systemic therapy exposure, alopecia and fatigue.
• Subjects must not be receiving any other investigational agents.
• Subjects must not have known peritoneal carcinomatosis visible on imaging.
• Subjects must not have known active solid tumors on imaging outside of abdomen/pelvis noted on screening imaging
• Subjects must not have 6 or more active metastatic sites.
• Subjects must not have had prior radiotherapy to any target metastatic lesion. Prior radiotherapy to non-target sites is allowed.
• Subjects must not have uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
• Any condition or significant co-morbidity that prevents safe delivery of SBRT per the discretion of the treating physician(s).
• Subjects must not be pregnant or breast-feeding. Refer to section 4.4 for further detail.

Sponsors & Collaborators

• Fox Chase Cancer Center: lead

Study Sites (1)

Fox Chase Cancer Center

Philadelphia, Pennsylvania, 19111, United States

RECRUITING

MeSH Terms

Conditions

Stomach Neoplasms

Condition Hierarchy (Ancestors)

Gastrointestinal Neoplasms; Digestive System Neoplasms; Neoplasms by Site; Neoplasms; Digestive System Diseases; Gastrointestinal Diseases; Stomach Diseases

Study Officials

• Joshua Meyer, MD

  Fox Chase Cancer Center

  PRINCIPAL INVESTIGATOR

Central Study Contacts

Tanu Singh

CONTACT

12152141439; tanu.singh@fccc.edu

Joshua Meyer, MD

CONTACT

215-728-2667; Joshua.Meyer@fccc.edu

Study Design

• Study Type: interventional
• Phase: phase 1
• Allocation: NA
• Masking: NONE
• Purpose: TREATMENT
• Intervention Model: SINGLE GROUP
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: May 19, 2023
• First Posted: May 30, 2023
• Study Start: August 1, 2023
• Primary Completion (Estimated): June 1, 2028
• Study Completion (Estimated): June 1, 2029
• Last Updated: October 29, 2025

Record last verified: 2025-10

Data Sharing

• IPD Sharing: Will not share

Locations

US (1)