34 Participants Needed

Talazoparib + Chemotherapy for Acute Myeloid Leukemia

(PARPAML Trial)

Recruiting at 9 trial locations
SC
MM
SB
SC
Overseen ByStefania Chirita
No Placebo GroupAll trial participants will receive the active study treatment (no placebo)

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial tests the safety of combining the drug talazoparib (Talzenna) with standard chemotherapy to determine the optimal dose for treating acute myeloid leukemia (AML). It evaluates the effectiveness of these treatments, particularly for those whose leukemia has returned or hasn't responded to previous treatments. Candidates may qualify if their AML persisted after at least two rounds of chemotherapy or if it recurred, provided they have no active infections or specific conditions like Down syndrome. As a Phase 1 trial, the research focuses on understanding how the treatment works in people, offering participants an opportunity to contribute to groundbreaking research.

Will I have to stop taking my current medications?

The trial does not specify if you need to stop taking your current medications, but it does require that you are not receiving any other cancer therapies. You should discuss your current medications with the trial team to see if they are compatible with the study.

Is there any evidence suggesting that this trial's treatments are likely to be safe?

Research has shown that combining talazoparib with chemotherapy might be safe and manageable for treating certain cancers. In earlier studies, patients received talazoparib alongside chemotherapy drugs such as topotecan and gemcitabine. Initial results suggested that most participants tolerated this combination well. However, as this is an early study phase, the primary goal is to determine safe doses. While side effects may occur, the aim is to achieve a balance where benefits outweigh risks. The research appears promising, but further information is needed to confirm safety.12345

Why do researchers think this study treatment might be promising?

Researchers are excited about the combination of talazoparib with topotecan and gemcitabine for treating acute myeloid leukemia because it offers a novel approach. Unlike traditional chemotherapy options like cytarabine and daunorubicin, talazoparib is a PARP inhibitor, which means it targets cancer cells by interfering with their DNA repair mechanism, potentially leading to more effective cancer cell death. The combination of these drugs might enhance the overall treatment effectiveness, offering a new ray of hope for patients with this aggressive type of leukemia. This multi-drug regimen is administered in a specific cycle that might optimize the interaction between the drugs, potentially providing better outcomes than existing treatments.

What evidence suggests that this trial's treatments could be effective for acute myeloid leukemia?

This trial will evaluate the combination of talazoparib with the chemotherapy drugs gemcitabine and topotecan for treating acute myeloid leukemia (AML). Research has shown that while talazoparib alone is not very effective, combining it with chemotherapy creates a strong anti-cancer effect. Talazoparib prevents cancer cells from repairing themselves, enhancing the chemotherapy's ability to destroy the cancer. Early results from similar studies have shown promise in shrinking tumors and slowing cancer spread. These findings offer hope for its potential success in treating AML.12356

Who Is on the Research Team?

NL

Norman Lacayo, MD

Principal Investigator

Stanford Universiy

Are You a Good Fit for This Trial?

This trial is for children and young adults up to 21 years old with relapsed or refractory Acute Myeloid Leukemia (AML) or similar conditions. They should have had a stem cell transplant at least 60 days ago, be recovered from previous treatments, and not have uncontrolled infections or other cancer therapies ongoing. Pregnant individuals or those with certain leukemia subtypes are excluded.

Inclusion Criteria

My leukemia has the same genetic features as when first diagnosed.
It's been over 24 hours since my last mild cancer treatment.
It's been over 2 weeks since my last intense cancer treatment, and I feel mostly recovered.
See 16 more

Exclusion Criteria

I am currently undergoing or planning to start any cancer treatment soon.
Pregnant subjects or those unwilling to use an effective method of birth control.
People with Down syndrome cannot participate in the study.
See 5 more

Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Treatment

Talazoparib is administered orally on Days 1 to 5 concurrently with topotecan and a single dose of gemcitabine on Day 1 of a 28-day cycle for 1 or 2 cycles. Subjects on dose level 5 receive an additional 5-day treatment course of talazoparib on days 15-19.

4-8 weeks
Multiple visits (in-person)

Dose Expansion

Preliminary estimates of efficacy are obtained through a dose expansion cohort receiving the maximum tolerated dose from the dose escalation phase.

28 days

Follow-up

Participants are monitored for safety and effectiveness after treatment

4 weeks

What Are the Treatments Tested in This Trial?

Interventions

  • Gemcitabine
  • Talazoparib
  • Topotecan
Trial Overview The study tests the safety and effectiveness of Talazoparib combined with chemotherapy drugs Gemcitabine and Topotecan in pediatric AML patients. It's a Phase 1 trial that will first find the highest dose patients can tolerate without severe side effects before assessing how well it works.
How Is the Trial Designed?
1Treatment groups
Experimental Treatment
Group I: Talazoparib with topotecan and gemcitabineExperimental Treatment3 Interventions

Gemcitabine is already approved in European Union, United States, Canada, Japan for the following indications:

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Approved in European Union as Gemzar for:
🇺🇸
Approved in United States as Gemzar for:
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Approved in Canada as Gemzar for:
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Approved in Japan as Gemzar for:

Find a Clinic Near You

Who Is Running the Clinical Trial?

Stanford University

Lead Sponsor

Trials
2,527
Recruited
17,430,000+

Jennifer Lauren Kamens

Lead Sponsor

Trials
1
Recruited
30+

Norman J. Lacayo

Lead Sponsor

Trials
1
Recruited
30+

Gateway for Cancer Research

Collaborator

Trials
47
Recruited
2,500+

Published Research Related to This Trial

In a study of 63 patients with relapsed or persistent epithelial ovarian cancer and primary peritoneal carcinoma, weekly topotecan treatment resulted in an overall response rate of 23.8%, with a median survival of 22.3 months, indicating its efficacy as a treatment option.
Topotecan was generally well tolerated, with manageable hematologic toxicities such as grade 3 anemia and thrombocytopenia occurring in 4.8% of patients, and the most common nonhematologic side effects being fatigue and nausea.
Efficacy and toxicity of weekly topotecan in recurrent epithelial ovarian and primary peritoneal cancer.Safra, T., Menczer, J., Bernstein, R., et al.[2013]
In a study involving 12 patients with relapsed or secondary acute myeloid leukemia, the combination of topotecan and cytarabine showed low extra-hematologic toxicity, indicating a relatively safe profile.
Despite the low toxicity, the treatment response was very poor, suggesting that this combination is not an effective option for these patients, and that incorporating additional agents may be necessary to improve outcomes.
The association of topotecan and cytarabine in the treatment of secondary or relapsed acute myeloid leukemia.Pagano, L., Mele, L., Voso, MT., et al.[2013]
Irinotecan can be safely administered in combination with cytarabine (Ara-C) to patients with acute myeloid leukemia (AML) who are refractory to or have relapsed after previous treatments, showing promising results in terms of safety and efficacy.
The treatment led to rapid cytoreduction in all courses, with two patients achieving complete remission, indicating that this combination therapy warrants further investigation for its effectiveness in AML.
Sequential administration of irinotecan and cytarabine in the treatment of relapsed and refractory acute myeloid leukemia.Minderman, H., O'Loughlin, KL., Smith, PF., et al.[2018]

Citations

Study of Talazoparib in Combination With Chemotherapy ...This study aims to determine the safety of talazoparib in combination with conventional chemotherapy and to establish the maximum tolerated dose of all 3 drugs ...
Talazoparib in Combination with Chemotherapy for the ...This phase I trial tests the safety, side effects, best dose and effectiveness of talazoparib in combination with chemotherapy in treating pediatric patients ...
Talazoparib + Chemotherapy for Acute Myeloid LeukemiaTrial Overview The study tests the safety and effectiveness of Talazoparib combined with chemotherapy drugs Gemcitabine and Topotecan in pediatric AML patients.
Therapeutic targeting of PARP with immunotherapy in ...PARPi monotherapy has modest efficacy in AML, while in combination with cytotoxic chemotherapy it has remarkable synergistic antitumor effects.
Study of Talazoparib in Combination With Chemotherapy in ...This study aims to determine the safety of talazoparib in combination with conventional chemotherapy and to establish the maximum tolerated dose of all 3 drugs ...
Study of Talazoparib in Combination With Chemotherapy in ...This study aims to determine the safety of talazoparib in combination with conventional chemotherapy and to establish the maximum tolerated dose of all 3 drugs ...
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