Mocetinostat With Vinorelbine in Children Adolescents & Young Adults With Refractory and/or Recurrent Rhabdomyosarcoma

  • STATUS
    Recruiting
  • End date
    Dec 1, 2022
  • participants needed
    38
  • sponsor
    Jonsson Comprehensive Cancer Center
Updated on 25 January 2021
cancer
measurable disease
anticonvulsants
shortening fraction
metastasis
neutrophil count
cancer chemotherapy
vinorelbine
nervous

Summary

This phase I trial studies the side effects and best dose of mocetinostat when given together with vinorelbine to see how well it works in treating children, adolescents, and young adults with rhabdomyosarcoma that has spread to nearby tissues or lymph nodes and cannot be removed by surgery (locally advanced unresectable) or has spread to other places in the body (metastatic), and does not respond to treatment (refractory) or has come back (relapsed). Mocetinostat may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as vinorelbine, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving mocetinostat and vinorelbine may work better in treating children, adolescents, and young adults with rhabdomyosarcoma compared to vinorelbine alone.

Description

PRIMARY OBJECTIVES:

I. To determine the first cycle dose-limiting toxicities (DLTs), maximum tolerated dose (MTD), and a biologically effective and recommended phase 2 dose (RP2D) of mocetinostat administered orally three times per week for a total of 9 doses per 21 day cycle given in combination with vinorelbine on days 1, 8, 15 of 21 day cycles in subjects with refractory or recurrent rhabdomyosarcoma (RMS). (Phase 1 Dose Escalation) II. To determine the progression-free survival (PFS), defined as time from first dose of vinorelbine to tumor progression or death due to any cause, at the RP2D of mocetinostat administered orally three times per week starting on day 3 for a total of 9 doses per 21 day cycle given in combination with vinorelbine on days 1, 8, 15 of a 21 day cycle in subjects with refractory or recurrent RMS. (Expansion Cohort)

SECONDARY OBJECTIVES:

I. Safety profile of mocetinostat in combination with vinorelbine as characterized by adverse event (AE) type, severity, timing and relationship to study drugs, as well as laboratory abnormalities in the first and subsequent treatment cycles. (Phase 1 Dose Escalation) II. Pharmacokinetics (PK) of mocetinostat in plasma. (Phase 1 Dose Escalation) III. Clinical benefit rate (CBR = complete response [CR] + partial response [PR] and stable disease [SD]) of mocetinostat + vinorelbine in metastatic/refractory/unresectable RMS. (Phase 1 Dose Escalation) IV. Antitumor activity of mocetinostat + vinorelbine in refractory/recurrent RMS as measured by overall response rate (ORR), duration of response (DOR), disease control (DC), duration of disease control, as well as progression-free survival (PFS). (Phase 1 Dose Escalation) V. Pharmacodynamics of mocetinostat on molecular targets in surrogate tissue. (Phase 1 Dose Escalation and Expansion Cohort) VI. Exploratory biomarker development to enable prediction of drug toxicity, tumor response and the mechanism(s) of acquired study drug resistance. (Phase 1 Dose Escalation and Expansion Cohort) VII. Obtain RMS tissue biological samples pre-treatment and at progression to assess for differences in gene expression by next gen (generation) sequencing and ribonucleic acid (RNA) sequencing (seq). (Phase 1 Dose Escalation and Expansion Cohort) VIII. Antitumor activity of mocetinostat + vinorelbine in metastatic/refractory RMS as measured by overall response rate (ORR) and duration of response (DOR), disease control (DC), duration of disease control, as well as progression-free survival (PFS) according to Response Evaluation Criteria in Solid Tumors (RECIST) version (v)1.1. (Expansion Cohort) IX. Safety and tolerability of mocetinostat and vinorelbine as characterized by adverse event type, severity, timing and relationship to study drug, as well as laboratory abnormalities. (Expansion Cohort)

OUTLINE: This is a phase I, dose-escalation study of mocetinostat followed by additional studies.

Details
Condition Rhabdomyosarcoma
Treatment Vinorelbine, Mocetinostat
Clinical Study IdentifierNCT04299113
SponsorJonsson Comprehensive Cancer Center
Last Modified on25 January 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Is your age greater than or equal to 13 yrs?
Gender: Male or Female
Do you have Rhabdomyosarcoma?
Do you have any of these conditions: Do you have Rhabdomyosarcoma??
Willing and able to provide written Institutional Review Board (IRB)/Independent Ethics Committee (IEC)-approved informed consent. For subjects < 18 years of age, their parents or legal guardians must sign a written informed consent. Assent, when appropriate, will be obtained according to institutional guidelines
Have histologically or cytological confirmed diagnosis of rhabdomyosarcoma with locally advanced/unresectable, metastatic, refractory or relapsed disease who have failed standard therapy and for whom no known curative therapy exists
Measurable disease according to RECIST version 1.1
Prior cancer therapy: Subjects may have received any number of prior therapy regimens. In the investigator's opinion, subjects must have tolerated prior cytotoxic therapies well and have adequate bone marrow reserve. At the time of treatment initiation, at least 3 weeks must have elapsed after prior cytotoxic chemotherapy. At least 7 days must have elapsed since completion of any prior non-cytotoxic cancer therapy and any associated AEs must have resolved
Prior radiotherapy is allowed if >= 2 weeks have elapsed for local palliative radiation therapy (XRT) (small port); >= 6 months must have elapsed if prior total body irradiation, craniospinal XRT or if > 50% radiation of the pelvis; > 6 weeks must have elapsed if other substantial bone marrow radiation (defined per principal investigator's [PI's] discretion). Subjects who have received brain irradiation must have completed whole brain radiotherapy and/or gamma knife at least 4 weeks prior to enrollment
Subjects with controlled asymptomatic central nervous system (CNS) involvement are allowed in absence of therapy with anticonvulsants. Subjects not requiring steroids or requiring steroids at a stable dose (=< 4 mg/day dexamethasone or equivalent) for at least 2 weeks are eligible
Resolution of all acute toxic effects (excluding alopecia) of any prior anti-cancer therapy to National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) (version 4.03) grade < 1 or to the baseline laboratory values as defined below
Eastern Cooperative Oncology Group (ECOG) performance status (PS) =< 2 in subjects >= 17 years old; or Karnofsky/Lansky > 50 in subjects < 16 years old
Subjects age > 18 years for first cohort. Subjects must be > 12 years old for the second and subsequent cohorts
Life expectancy of at least 3 months
Absolute neutrophil count (ANC) >= 1000/mm^3 (>= 1.0 x 10^9/L)
Platelets (PLT) >= 100,000/mm^3 (>= 100 x 10^9/L) (transfusion independent, defined as not receiving platelet transfusions within a 7 day period prior to screening)
Hemoglobin > 9.0 g/dL (transfusions are allowed)
Serum creatinine =< 1.5 x upper limit of normal (ULN) or creatinine clearance > 60 mL/min
Total serum bilirubin =< 1.5 x ULN; =< 5 x ULN if Gilbert's syndrome
Liver transaminases (aspartate aminotransferase [AST]/alanine aminotransferase [ALT]) =< 2.5 x ULN; =< 5 x ULN if liver metastases are present
Pregnancy test if female of child-bearing potential negative within 7 days of starting treatment
Cardiac ejection fraction > 50% or shortening fraction > 28% by echocardiography (ECHO) or multigated acquisition scan (MUGA)
Females of child-bearing potential must have a negative pregnancy test during screening and be neither breastfeeding nor intending to become pregnant during study participation. Females of childbearing potential must agree to avoid pregnancy during the study and commit to abstinence from heterosexual intercourse or agree to use two methods of birth control (one highly effective method and one additional effective method) at least 4 weeks before the start of protocol therapy, for the duration of study participation, and for 6 months after the last dose of mocetinostat
Males with partner(s) of childbearing potential must take appropriate precautions to avoid fathering a child from the screening period until 90 days after receiving the last dose of mocetinostat. They must commit to abstinence from heterosexual intercourse or agree to use appropriate barrier contraception
Prior to enrollment of females or males of reproductive potential, the investigator must document confirmation of the subject's understanding of the possible teratogenic effects of mocetinostat
Willingness and ability to comply with scheduled visits, treatment plan, laboratory tests and other study procedures

Exclusion Criteria

Current participation in another therapeutic clinical trial
Symptomatic brain metastases
History of previous cancer (non RMS), except squamous cell or basal-cell carcinoma of the skin or any in situ carcinoma that has been completely resected, which required therapy within the previous 3 years. Other low grade cancers can be reviewed and allowed at the discretion of the PI
Incomplete recovery from any surgery (other than central venous catheter or port placement) prior to treatment
Any of the following in the past 6 months: pericarditis, pericardial effusion, symptomatic congestive heart failure, cerebrovascular accident or transient ischemic attack, pulmonary embolism, deep vein thrombosis, symptomatic bradycardia, requirement for anti-arrhythmic medication
History of prolonged corrected QT (QTc) interval (e.g., repeated demonstration of a QTc interval > 450 milliseconds, unless associated with the use of medications known to prolong the QTc interval). QTc will be calculated using the Bazett formula (RR interval = 60/heart rate; QTI corrected = QT interval/sqr[RRinterval])
History of additional risk factors for torsade de pointes (e.g., heart failure, family history of long QT syndrome)
Use of concomitant medications that increase or possibly increase the risk to prolong the QTc interval and/or induce torsades de pointes ventricular arrhythmia
Females who are breastfeeding/lactating
Known active infections (e.g., bacterial, fungal, viral including hepatitis and human immunodeficiency virus [HIV] positivity)
Other severe acute or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with study participation or study drug administration or may interfere with the interpretation of study results and, in the judgment of the investigator, would make the subject inappropriate for entry into this study or compromise protocol objectives in the opinion of the investigator and/or the sponsor
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