Chemotherapy for Rhabdomyosarcoma
What You Need to Know Before You Apply
What is the purpose of this trial?
This trial explores four different chemotherapy plans to treat metastatic Fusion Positive Rhabdomyosarcoma. Participants can choose from strategies such as a single strong treatment, a combination of initial and follow-up treatment, timing therapy based on response, or standard chemotherapy. It targets those newly diagnosed with this cancer, who have not yet received chemotherapy and show evidence of cancer spread. As a Phase 2 trial, the research focuses on measuring the treatment's effectiveness in an initial, smaller group of people.
Do I need to stop my current medications to join the trial?
The trial protocol does not specify if you need to stop taking your current medications, but you cannot be on any other cancer treatments. Alternative medications like cannabis products are allowed.
Is there any evidence suggesting that this trial's treatments are likely to be safe?
Research shows that the treatments tested in this trial have varying safety levels. Here’s a simple overview:
Vinorelbine is usually safe and well-tolerated for outpatients, but it can lower white blood cell counts, making infection more likely.
Actinomycin D is very potent and requires careful use. It can cause serious side effects, including harm to unborn babies, and can reduce bone marrow activity, leading to fewer blood cells.
Cyclophosphamide has been linked to a higher risk of other cancers, infertility, and birth defects. High doses can also affect the heart.
Vincristine is used for various cancers, including rhabdomyosarcoma. It can cause tissue damage if it leaks from the vein and may increase infection risk when combined with other treatments.
While these treatments have known side effects, they are commonly used in cancer therapy. The trial's middle stage suggests that initial human testing has shown these treatments to be relatively safe, though side effects do exist. Participants should consider these risks and discuss them with their healthcare provider.12345Why are researchers excited about this trial's treatments?
Researchers are excited about these treatments for rhabdomyosarcoma because they offer tailored approaches that could improve outcomes. Unlike standard chemotherapy, which typically follows a fixed schedule, the adaptive therapy in Arm C adjusts the timing of treatment based on how the cancer responds, aiming to prolong the time to progression instead of just seeking complete remission. Arm A and Arm B focus on strategic use of conventional drugs like vinorelbine, actinomycin D, and cyclophosphamide, but Arm B extends treatment with a maintenance phase that could provide prolonged benefits. These innovative strategies might offer more personalized and potentially more effective ways to manage rhabdomyosarcoma compared to traditional, one-size-fits-all treatment regimens.
What evidence suggests that this trial's chemotherapy strategies could be effective for rhabdomyosarcoma?
Research has shown that vinorelbine, which participants in this trial may receive, can help treat alveolar rhabdomyosarcoma. Studies report a 41% increase in response rates for patients whose cancer has returned or is resistant to treatment. In this trial, some participants will receive a combination of actinomycin D, vincristine, and cyclophosphamide. Studies have found that this combination results in 63% of patients not experiencing cancer progression for three years, with 84% still alive after three years. Cyclophosphamide's effectiveness can depend on the dose, with higher doses sometimes leading to better results. Vincristine has improved outcomes when used with other treatments, increasing survival rates in some studies. Each of these drugs has shown potential for improving survival and response rates in patients with rhabdomyosarcoma.678910
Who Is on the Research Team?
Jonathan Metts, MD
Principal Investigator
Moffitt Cancer Center
Are You a Good Fit for This Trial?
This trial is for individuals newly diagnosed with metastatic Fusion Positive Rhabdomyosarcoma. They must have tissue available for testing, no prior chemotherapy, and molecular confirmation of PAX/FOXO1 fusion. Participants need to agree to contraception use if applicable and be able to take oral medications if in Arm B. Pregnant or breastfeeding women are excluded.Inclusion Criteria
Exclusion Criteria
Timeline for a Trial Participant
Screening
Participants are screened for eligibility to participate in the trial
Treatment
Participants receive chemotherapy based on chosen strategy: first strike, first strike-second strike (maintenance), adaptively timed, or conventional chemotherapy
Follow-up
Participants are monitored for safety and effectiveness after treatment
What Are the Treatments Tested in This Trial?
Interventions
- Actinomycin D
- Cyclophosphamide
- Cyclophosphamide Pill
- Vincristine
- Vinorelbine
Actinomycin D is already approved in European Union, United States, Canada for the following indications:
- Rhabdomyosarcoma
- Wilms tumor
- Ewing's sarcoma
- Rhabdomyosarcoma
- Wilms tumor
- Ewing's sarcoma
- Trophoblastic neoplasm
- Rhabdomyosarcoma
- Wilms tumor
- Ewing's sarcoma
Find a Clinic Near You
Who Is Running the Clinical Trial?
H. Lee Moffitt Cancer Center and Research Institute
Lead Sponsor
National Pediatric Cancer Foundation
Collaborator