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Protocol Details

A Molecularly Driven Phase 1b Dose Escalation and Dose Expansion Study of the DNA-PK Inhibitor Peposertib (M3814) in Combination with the ATR Inhibitor M1774

This study is currently recruiting participants.

Summary | Eligibility | Citations | Contacts

Summary

Number

001961-C

Sponsoring Institute

National Cancer Institute (NCI)

Recruitment Detail

Type: Participants currently recruited/enrolled
Gender: Male & Female
Min Age: 18 Years
Max Age: 120 Years

Referral Letter Required

No

Population Exclusion(s)

Children;
Pregnant Women

Keywords

DNA-PK;
ATR

Recruitment Keyword(s)

None

Condition(s)

Neoplasms

Investigational Drug(s)

peposertib
tuvusertib

Investigational Device(s)

None

Intervention(s)

Drug: peposertib
Drug: M1774

Supporting Site

National Cancer Institute

Background:

Cancerous tumors may form when genetic changes inhibit the cells ability to repair damaged DNA. These tumors can be difficult to treat.

Objective:

To test a combination of 2 study drugs (peposertib [M3814] and M1774) in people with advanced solid tumors.

Eligibility:

People aged 18 years and older with solid tumors that have not responded to treatment. Their tumors must have specific genetic changes that affect the copying and repair of damaged DNA.

Design:

Participants will be screened. They will have a physical exam with blood and urine tests. They will have imaging scans and tests of their heart function. Their ability to perform everyday tasks will be assessed. Some participants may need a biopsy: A sample of tissue will be taken from their tumor.

Treatment will be given in 28-day cycles:

Peposertib (tablet) and M1774 (gelatin capsule) are both taken by mouth. Participants will take both drugs daily for 14 days, followed by 14 days without taking the drugs.

Participants will have clinic visits every week for the first 6 weeks of treatment. After that, clinic visits will be on the first day of each cycle. These visits will include physical exams and blood tests. Imaging scans, biopsy, and other tests may also be repeated. Some blood will be used for genetic testing.

Participants may remain in the study as long as the treatment is helping them. Those who stop taking the drugs will be monitored for at least 30 days.

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Eligibility

INCLUSION CRITERIA:

-Patients must have histologically confirmed solid malignancy that is metastatic or unresectable and for which standard curative or palliative measures do not exist or are no longer effective.

-For the dose escalation and dose expansion phases, patients must have genomic evidence of inactivating ATM mutations, MYC amplification , mutation of FBXW7, CCNE1 amplification, SWI/SNF member mutation (ARID1A, PBRM1, SMARCA4, ARID2, ARID1b, SMARCA2, SS18), and ATRX/DAXX. All mutations/alterations must be approved by the overall PI. Other SWI/SNF mutations may be considered after discussion with the PI.

-Progression on at least one prior standard therapy.

-Age >=18 years. Because no dosing or adverse event data are currently available on the use of peposertib (M3814) in combination with M1774 in patients <18 years of age, children are excluded from this study.

-Life expectancy >3 months.

-ECOG performance status <=2 (Karnofsky >=60%).

-Measurable disease by RECIST 1.1 (RECIST 1.1 non-measurable disease permitted for the dose escalation portion).

-Patients must have adequate organ and marrow function as defined below:

--hemoglobin >=9 g/dL

--absolute neutrophil count >=1,500/mcL

--platelets >=100,000/mcL

--total bilirubin <=1.5 X institutional upper limit of normal (ULN)

--AST(SGOT)/ALT(SGPT) <=3 X institutional ULN or <=5.0 X the ULN if liver metastases are present

--glomerular filtration rate (GFR) >=60 mL/min/1.73 m^2

-Human immunodeficiency virus (HIV)-infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months are eligible for this trial. Antiretroviral therapy agents must be considered for potential drug-drug interactions.

-For patients with evidence of chronic hepatitis B virus (HBV) infection, the HBV viral load must be undetectable on suppressive therapy, if indicated.

-Patients with a history of hepatitis C virus (HCV) infection must have been treated and cured. For patients with HCV infection who are currently on treatment, they are eligible if they have an undetectable HCV viral load.

-Patients with a prior or concurrent malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial.

-Patients with known history or current symptoms of cardiac disease, or history of treatment with cardiotoxic agents, should have a clinical risk assessment of cardiac function using the New York Heart Association Functional Classification. To be eligible for this trial, patients should be class 2B or better.

-Able to swallow whole capsules or tablets

-Willing to undergo paired biopsies (expansion arm)

-Female patients of childbearing potential must have a negative urine or serum pregnancy test within 72 hours prior to receiving the first dose of study medication. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required.

Female patients of childbearing potential must be willing to use an adequate method of contraception for the course of the study through 6 months after the last dose of study medication.

Male patients of reproductive potential must agree to avoid impregnating a partner while receiving study drug and for 3 months after the last dose of study drug by complying with adequate methods of contraception.

Note: Abstinence is acceptable if this is the usual lifestyle and preferred contraception for the patient.

-Ability to understand and the willingness to sign a written informed consent document. Participants with impaired decision-making capacity who have a legally-authorized representative (LAR) and/or family member available will also be eligible.

EXCLUSION CRITERIA:

-Patients who have received immunotherapy within 21 days of Cycle 1 Day 1.

-Patients who have received therapeutic radiation therapy within 21 days, or palliative radiation therapy within 7 days, of Cycle 1 Day 1.

-Patients who have undergone major surgery within 21 days of Cycle 1 Day 1.

-Patients who have not recovered from adverse events due to prior anti-cancer therapy (i.e., have residual toxicities > Grade 1) with the exception of alopecia, controlled endocrine toxicity (e.g., hypothyroidism), and cutaneous toxicity which will be permitted at Grade 2.

-Patients who are receiving any other investigational agents.

-Patients with new or progressive brain metastases (active brain metastases) or leptomeningeal disease are eligible if the treating physician determines that immediate CNS specific treatment is not required and is unlikely to be required during the first cycle of therapy.

-History of allergic reactions attributed to compounds of similar chemical or biologic composition to peposertib (M3814) and M1774.

-Patients who cannot discontinue concomitant medications or herbal supplements that are strong inhibitors or strong inducers of cytochrome P450 (CYP) isoenzymes, CYP1A2, CYP3A4/5, CYP2C19, and CYP2C9. Concomitant use of substrates hMATE1, hMATE2, and CYP3A4/5 substrates with a narrow therapeutic index are also excluded.

Concomitant administration of sensitive substrates of P-gp, BCRP, OCT1, OATP1B1, and OATP1B3 should be avoided (if the use is unavoidable, carefully monitor patients for signs of increased toxicity). Patients may confer with the study doctor to determine if alternative medications can be used. The following categories of medications and herbal supplements must be discontinued for at least the specified period of time before the patient can be treated:

--Strong inducers of CYP1A2, CYP3A4/5, CYP2C19, and CYP2C9: >=3 weeks prior to study treatment

--Strong inhibitors of CYP1A2, CYP3A4/5, CYP2C19, and CYP2C9: >=1 week prior to study treatment

--Substrates of hMATE1, hMATE2, CYP3A4/5, P-gp, BCRP, OCT1, OATP1B1, and OATP1B3 with a narrow therapeutic index: >=1 day prior to study treatment

-Patients who cannot discontinue proton-pump inhibitors (PPIs). H-2-receptor antagonist should be held during the 2 weeks of concurrent dosing with peposertib (M3814). There is no H-2-receptor antagonist restriction during the off weeks without peposertib (M3814) dosing. H-2-receptor antagonists should not be taken within 12 hours before or 2 hours after M1774. Antacids should not be taken within 2 hours before or 2 hours after M1774.

-Patients who received hematopoietic growth factor (e.g., granulocyte colony-stimulating factor, erythropoietin) within 14 days prior to the first dose of study intervention.

-Patients with uncontrolled intercurrent illness including, but not limited to: ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, or cardiac arrhythmia.

-QTcF (using the Fridericia correction calculation) of >= 470 msec

-Pregnant women and women who are breastfeeding are excluded from this study because the effects of the study drugs on the developing fetus are unknown.

-Patients with a prior or concurrent malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen as assessed by the treating investigator may be included with the approval of the Sponsor-Investigator.


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Citations:

Not Provided

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Contacts:

Principal Investigator

Referral Contact

For more information:

Alice P. Chen, M.D.
National Cancer Institute (NCI)
NIHBC 10 - CLINICAL CENTER BG RM 8D53
10 CENTER DR
BETHESDA MD 20892
(240) 781-3320
chenali@mail.nih.gov

DTC Referral Coordinators
National Cancer Institute (NCI)

(240) 781-3400
dtcreferralcoordinators@nih.gov

NCI Referral Office
National Institute of Health Clinical Center (CC), 9000 Rockville Pike, Bethesda, Maryland 20892, United States: NCI Clinical Trials Referral Office
1-888-NCI-1937
ncimo_referrals@mail.nih.gov

Clinical Trials Number:

NCT05687136

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