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Anti-tumor antibiotic

PEN-866 + Chemotherapy for Sarcoma

Phase 1 & 2
Waitlist Available
Led By Christine M Heske, M.D.
Research Sponsored by National Cancer Institute (NCI)
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
For phase 2, participants must have histologically or cytologically confirmed recurrent or refractory Ewing sarcoma (Cohort 2) or embryonal or alveolar rhabdomyosarcoma (Cohort 3). Participants with Ewing sarcoma (Cohort 2 only) should have evidence of EWS translocation by FISH or RT-PCR.
For phase 1, there are no limits to the number of prior treatment regimens
Timeline
Screening 3 weeks
Treatment Varies
Follow Up pre/post infusion on cycle 1 day 1, 24 hr post infusion, cycle 1 day 4, cycle 1 day 8. cycle 3 day 1 and cycle 3 day 8
Awards & highlights

Study Summary

This trial is studying the combination of 3 drugs to see if it can be used to treat adolescents and young adults with solid tumors, Ewing sarcoma, or rhabdomyosarcoma that returned after or did not respond to standard treatments.

Who is the study for?
Adolescents and young adults aged 12-39 with solid tumors, Ewing sarcoma, or rhabdomyosarcoma that have not responded to standard treatments are eligible. They must have adequate organ function, no severe prior treatment toxicity unresolved, and agree to use contraception if applicable. Those with certain genetic conditions or on prohibited medications cannot join.Check my eligibility
What is being tested?
The trial tests a combination of PEN-866 with vincristine and temozolomide in patients who've had relapsed or refractory solid tumors. Over up to 18 cycles (21 days each), participants receive these drugs intravenously and orally while their health is monitored through exams, questionnaires, and lifelong follow-ups.See study design
What are the potential side effects?
Potential side effects include reactions related to the infusion process, possible organ inflammation due to drug interactions, fatigue from treatment regimens, digestive issues from oral medication intake as well as blood disorders stemming from the chemotherapy agents.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
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I have confirmed recurrent or refractory Ewing sarcoma or rhabdomyosarcoma.
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I have had multiple treatments for my condition.
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My cancer diagnosis or relapse has been confirmed with a tissue sample.
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I have a confirmed diagnosis of Ewing sarcoma or rhabdomyosarcoma that has come back or did not respond to treatment.
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I have a confirmed solid tumor that has come back or didn't respond to treatment, but it's not in my brain or lymph nodes.
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I can take care of myself but might not be able to do any heavy work.
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I have had treatment for brain metastases.
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It's been over 3 weeks since my last chemotherapy that affects my bone marrow.
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I have recovered from the side effects of my previous cancer treatments.
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It's been over a week since my last non-myelosuppressive cancer treatment.
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I have a confirmed solid tumor that has come back or did not respond to treatment, excluding brain tumors and lymphoma.
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I am between 12 and 39 years old.
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My cancer can be seen on scans or confirmed through tests.
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I am willing to have a central line placed if I don't already have one.
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I have new or worsening brain metastases or leptomeningeal disease.
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I have not been treated with both irinotecan and temozolomide together before.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~from start of treatment to time of progression or death
This trial's timeline: 3 weeks for screening, Varies for treatment, and from start of treatment to time of progression or death for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Phase 1: Maximum tolerated/recommended phase 2 dose
Phase 2: Objective response rate
Secondary outcome measures
Phase 1: Plasma and tumor pharmacokinetics
Phase 1: Toxicity
Phase 2: Duration of response
+2 more

Trial Design

2Treatment groups
Experimental Treatment
Group I: 2/MTD/RP2DExperimental Treatment3 Interventions
PEN-866 at the MTD or RP2D from phase 1 plus vincristine and temozolomide
Group II: 1/Dose EscalationExperimental Treatment3 Interventions
Dose escalation of PEN-866 along with fixed doses of vincristine and temozolomide
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Vincristine
2003
Completed Phase 4
~2910
Temozolomide
2010
Completed Phase 3
~1930

Find a Location

Who is running the clinical trial?

National Cancer Institute (NCI)Lead Sponsor
13,643 Previous Clinical Trials
40,930,597 Total Patients Enrolled
88 Trials studying Rhabdomyosarcoma
16,563 Patients Enrolled for Rhabdomyosarcoma
Christine M Heske, M.D.Principal InvestigatorNational Cancer Institute (NCI)
1 Previous Clinical Trials
14 Total Patients Enrolled
1 Trials studying Rhabdomyosarcoma
14 Patients Enrolled for Rhabdomyosarcoma

Media Library

PEN-866 (Anti-tumor antibiotic) Clinical Trial Eligibility Overview. Trial Name: NCT04890093 — Phase 1 & 2
Rhabdomyosarcoma Research Study Groups: 1/Dose Escalation, 2/MTD/RP2D
Rhabdomyosarcoma Clinical Trial 2023: PEN-866 Highlights & Side Effects. Trial Name: NCT04890093 — Phase 1 & 2
PEN-866 (Anti-tumor antibiotic) 2023 Treatment Timeline for Medical Study. Trial Name: NCT04890093 — Phase 1 & 2

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

What is the ultimate aim of this research endeavor?

"This clinical trial, to be monitored between baseline and 18 cycles, chiefly seeks to determine the objective response rate. Secondary objectives include determining duration of response, analyzing plasma and tumor pharmacokinetics of PEN-866 in combination with vincristine and temozolomide, as well as comparing levels of phospho-gamma-H2AX immunofluorescence in pre-treatment samples against those taken after treatment."

Answered by AI

What type of individuals is this research endeavor targeting?

"This clinical trial is seeking 64 individuals with rhabdomyosarcoma between 12 and 39 years of age. Those hoping to join the study must meet a variety of criteria, such as having measurable (or non-measurable) disease on imaging for Phase 1 or histologically confirmed recurrent/refractory solid tumors for Phase 2. Additionally, participants should have recovered from any acute side effects sustained from prior treatments; cytotoxic chemotherapy requires 21 days before enrollment while other anti-cancer agents not known to be myelosuppressive necessitate 7 days."

Answered by AI

To what maladies is PEN-866 predominantly employed?

"The pharmaceutical PEN-866 is usually prescribed to combat acquired immunodeficiency syndrome, although it has been found useful in treating conditions like advanced thymoma and small cell lung cancer (sclc), as well as lymphoma Hodgkins."

Answered by AI

What is the current size of this research endeavor?

"This trial is no longer enrolling new patients as the data posted on clinicaltrials.gov was last edited on November 25th, 2022. However, if you are seeking medical studies for rhabdomyosarcoma or PEN-866 there are currently 470 and 429 trials respectively that are still recruiting volunteers."

Answered by AI

Could you provide an overview of any past experiments involving PEN-866?

"Currently, there are 429 active clinical trials for PEN-866; 110 of which have entered Phase 3. The majority of the studies originated in New york City though they can now be found at 18884 sites across the world."

Answered by AI

Does this research encompass elderly individuals aged 75 and up?

"This clinical trial has set a minimum age of 12 years old and an upper limit of 39 to be eligible for participation."

Answered by AI

Is enrollment in this trial still an option for prospective participants?

"This trial is no longer accepting patients. Originally posted on December 1st 2022, it was last edited on November 25th of the same year. There are presently 470 trials in progress looking for rhabdomyosarcoma subjects and 429 studies that require participants to take PEN-866."

Answered by AI
~43 spots leftby Feb 2026