NCT05048732

Brief Summary

Apoptosis is a specific form of cell death that leads to clearance of dead cells without causing inflammation or injury to normal adjacent tissues. Targeted cancer therapeutics that target this pathway for tumor cell death induction are in development, but few specific biomarkers of apoptosis are available to assess treatment response. Apoptosis also occurs in response to standard anthracycline or combination therapies such as rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisolone (R-CHOP), rituximab, etoposide, phosphate, prednisone, vincristine sulfacte, cyclophosphamide, and doxorubicin hydrocholoride (R-EPOCH) used to treat many different histopathological types of lymphoma including Hodgkin and non- Hodgkin lymphoma such as diffuse large B-cell lymphoma (DLBCL), Burkitts lymphoma, primary mediastinal B-cell lymphoma and double hit DLBCL. Caspase-3 activation occurs as a result of apoptosis and may be a specific marker of apoptosis. Therefore, this study will assess whether 18F-FluorApoTrace (18F-FAT), a caspase-3 targeted tracer, has a reasonable dosimetry profile and can be used to detect apoptosis in patients with lymphoma being treated with standard therapy.

Trial Health

57
Monitor

Trial Health Score

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

Enrollment
12

participants targeted

Target at P25-P50 for early_phase_1

Timeline
Completed

Started Dec 2021

Typical duration for early_phase_1

Geographic Reach
1 country

1 active site

Status
terminated

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

First Submitted

Initial submission to the registry

September 8, 2021

Completed
9 days until next milestone

First Posted

Study publicly available on registry

September 17, 2021

Completed
3 months until next milestone

Study Start

First participant enrolled

December 6, 2021

Completed
2.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 10, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 10, 2024

Completed
Last Updated

May 30, 2024

Status Verified

May 1, 2024

Enrollment Period

2.2 years

First QC Date

September 8, 2021

Last Update Submit

May 29, 2024

Conditions

Outcome Measures

Primary Outcomes (4)

  • Whole body effective dose (in rems) of a 5 mCi injection of 18F-FAT (Cohort 1 only)

    -The time activity curves will be created using all the scans obtained and integrated to determine organ residence times. This data, plus the counts and volumes from urine collection(s) after tracer injection, will then be used to calculate the dosimetry using OLINDA/EXM v1.1. The calculated residence times will be used with the program OLINDA/EXM for 18F and using the adult human (adult female or male) model to calculate the whole body effective dose.

    Day 1

  • Radiation doses (rems) to critical organs (Cohort 1 only)

    The time activity curves will be created using all the scans obtained and integrated to determine organ residence times. This data, plus the counts and volumes from urine collection(s) after tracer injection, will then be used to calculate the dosimetry using OLINDA/EXM v1.1. The calculated residence times will be used with the program OLINDA/EXM for 18F and using the adult human (adult female or male) model to calculate the individual organ radiation dose.

    Day 1

  • Change in mean standard uptake value (SUV) (Cohort 2 only)

    -30 minutes and 60-90 minutes post pre-treatment baseline monitoring scan and 30 minutes and 60-90 minutes post early interim treatment monitoring scan

    Through completion of early interim treatment monitoring scan (estimated to be 14 days)

  • Change in maximum standard uptake value (SUV) (Cohort 2 only)

    -30 minutes and 6-90 minutes post pre-treatment baseline monitoring scan and 30 minutes and 60-90 minutes post early interim treatment monitoring scan

    Through completion of early interim treatment monitoring scan (estimated to be 14 days)

Secondary Outcomes (2)

  • Distribution volume ratio (DVR) (Cohort 2 only)

    Through completion of early interim treatment monitoring scan (estimated to be 14 days)

  • Change in percent positive caspase-3 staining (Cohort 2 only)

    Baseline and post-treatment (estimated to be 14 days)

Study Arms (3)

Cohort 1 = Healthy Volunteers

EXPERIMENTAL

* Healthy volunteers (N=6, three male, three female) will be recruited to undergo a single 18F-FAT PET/CT imaging session for radiation dosimetry estimates. * 18F-FAT administration followed by body imaging at 3 time points * 0-60 min = multiple quick body scans * 120 min post injection = body scan * 240 min post injection = body scan

Drug: 18F-FluorApoTrace

Cohort 2a: Newly Diagnosed DLBCL patients being treated with R-CHOP

EXPERIMENTAL

-N= 6 : 18F-FAT imaging session at baseline and Day 2-4 following Cycle 1 standard of care therapy.

Drug: 18F-FluorApoTrace

Cohort 2b: Newly Diagnosed DLBCL patients being treated with R-CHOP

EXPERIMENTAL

-N=9: 18F-FAT imaging session at baseline and best time point determined from Cohort 2a (2 days post Cycle 1 standard of care therapy)

Drug: 18F-FluorApoTrace

Interventions

-The dose of 18F-FluorApoTrace to be given is 5 mCi

Also known as: 18F-FAT
Cohort 1 = Healthy VolunteersCohort 2a: Newly Diagnosed DLBCL patients being treated with R-CHOPCohort 2b: Newly Diagnosed DLBCL patients being treated with R-CHOP

Eligibility Criteria

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

You may qualify if:

  • Adult 18 years of age or older
  • No known hematological disorders
  • Considered healthy based on assessment by Principal Investigator (PI).
  • Able to provide informed consent
  • Able to comprehend and willing to follow instructions for study procedures as called for by the protocol.
  • Capable of lying still and supine within the PET/CT scanner for up to 1 hour at a time.

You may not qualify if:

  • No illicit drug use or other inhaled drug use (including pharmacologic agents, recreational agents or illicit drugs) within the past year per self-reporting mechanisms.
  • No history of claustrophobia or other preventing condition that has previously or would interfere with completion of protocol specified imaging sessions.
  • Not currently pregnant or nursing: Subject must be surgically sterile (has had a documented bilateral oophorectomy and/or documented hysterectomy), postmenopausal (cessation of menses for more than 1 year), non-lactating, OR of childbearing potential for whom a urine pregnancy test (with the test performed within the 24 hour period immediately prior to administration of 18 F-FAT) is negative
  • Men or women 18 years of age or older with a new diagnosis of lymphoma who will be treated with standard of care therapy for curative intent and at least one measurable (RECIST 1.1), FDG-avid lesion. OR recurrent DLBLC with at least one measurable (RECIST 1.1) FDA-avid lesion and a minimum of 12 months since last receiving treatment.
  • If applicable at least one FDG avid lesion accessible for biopsy (ultrasound guided preferred)
  • Able to provide informed consent
  • Able to tolerate standard of care systemic therapy as recommended by referring physician(s).
  • Not currently pregnant or nursing: Subject must be surgically sterile (has had a documented bilateral oophorectomy and/or documented hysterectomy), postmenopausal (cessation of menses for more than 1 year), non-lactating, OR of childbearing potential for whom a urine pregnancy test (with the test performed within the 24 hour period immediately prior to administration of 18 F-FAT) is negative
  • Not currently enrolled in another study using an investigational drug

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Washington University School of Medicine

St Louis, Missouri, 63110, United States

Location

Related Links

MeSH Terms

Conditions

Lymphoma, Large B-Cell, Diffuse

Condition Hierarchy (Ancestors)

Lymphoma, B-CellLymphoma, Non-HodgkinLymphomaNeoplasms by Histologic TypeNeoplasmsLymphoproliferative DisordersLymphatic DiseasesHemic and Lymphatic DiseasesImmunoproliferative DisordersImmune System Diseases

Study Officials

  • Farrokh Dehdashti, M.D.

    Washington University School of Medicine

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
early phase 1
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
DIAGNOSTIC
Intervention Model
SEQUENTIAL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 8, 2021

First Posted

September 17, 2021

Study Start

December 6, 2021

Primary Completion

February 10, 2024

Study Completion

February 10, 2024

Last Updated

May 30, 2024

Record last verified: 2024-05

Data Sharing

IPD Sharing
Will not share

Locations