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Ewing SarcomaPhase 1/2NCT01610570

Mithramycin for Children and Adults With Solid Tumors or Ewing Sarcoma

A Phase 1/2 study testing Mithramycin in people with Ewing Sarcoma and Sarcoma, run by National Cancer Institute (NCI) at 1 site in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
Search all trials

Trial summary

Background: Mithramycin is a drug that was first tested as a cancer therapy in the 1960s. It acted against some forms of cancer, but was never accepted as a treatment. Research suggests that it may be useful against some solid tumors, particularly Ewing sarcoma. Read more about this study

Who is it for?
Ages 1 year and older
Conditions the study is for
Ewing Sarcoma, Sarcoma
What is being tested?
Mithramycin
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
8 participants
Where
1 siteUnited States
Study dates
10 May 2012to 21 May 2014
Phase
Phase 1/2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 1 year and older
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Who may be able to join

  • Diagnosis
  • Patients current disease state must be one for which there is no known curative therapy or therapy proven to prolong survival with an acceptable quality of life.
  • Phase I Portion: Measurable or evaluable refractory or recurrent extracranial solid tumors, excluding brain tumors and cerebral metastases.
  • Phase II Portion adults and children: Refractory or recurrent extracranial Ewing sarcoma with Ewings sarcoma - friend leukemia integration 1 transcription factor (EWS-FLI1) fusion transcript. Patients enrolled to this cohort must have measurable disease. Presence of the transcript will be determined during histologic confirmation of disease with a Clinical Laboratory Improvement Amendments (CLIA) approved EWS-FLI paraffin assay in the Laboratory of Pathology Center for Cancer Research, National Cancer Institute (CCR, NCI), unless a pathology report documenting presence of the transcript using a CLIA approved assay is obtained from the referring institution.
  • Histologic confirmation of disease in the Laboratory of Pathology, CCR, NCI, National Institutes of Health (NIH).
  • Age
Show all 49Show fewer
  • Phase I Portion: greater than or equal to 12 months to less than or equal to 17 years
  • Phase II Portion in adults initially: greater than or equal to 18 years
  • Phase II Portion expanded in pediatrics after determination of phase II dose in children will include children greater than or equal to 12 months to less than or equal to 17 years
  • Performance Score: Karnofsky (> 10-17 years old) or Lansky (less than or equal to 10 years old) greater than or equal to 50%, or Eastern Cooperative Oncology Group (ECOG) 1 or 2 (adults)
  • Prior therapy
  • greater than or equal to 2 weeks must have elapsed since local palliative radiation (XRT) (small port);
  • greater than or equal to 24 weeks must have elapsed since prior total body irradiation (TBI), craniospinal XRT, or if greater than or equal to 50%
  • radiation of pelvis;
  • greater than or equal to 6 weeks must have elapsed since other substantial BM radiation;
  • greater than or equal to 12 weeks must have elapsed since stem cell transplant or infusion without TBI and no active graft vs. host disease;
  • greater than or equal to 3 weeks must have elapsed from last dose of myelosuppressive chemotherapy (six
  • weeks for nitrosoureas);
  • at least 3 half-lives must have elapsed since monoclonal antibody1;(https://members.childrensoncologygroup.org/Disc/devtherapeutics/default.asp for listing of monoclonal antibody half-lives.)
  • greater than or equal to 7 days must have elapsed from the last dose of biologic agents.
  • greater than or equal to 7 days since the completion of therapy with a growth factor
  • Recovered from acute toxicities of prior therapy to less than or equal to Grade 1; specifically
  • Hematologic and Coagulation Parameters
  • Peripheral absolute neutrophil count (ANC) greater than or equal to 1000/mcL
  • Platelets greater than or equal to 75,000/ mcL (transfusion independent)
  • Hemoglobin greater than or equal to 8 g/dL (packed red blood cell (PRBC) transfusions permitted)
  • Normal prothrombin time (PT)/partial thromboplastin time (PTT) with the exception of a lupus anticoagulant, which is permitted, may be corrected with Vitamin K administration or transfusion. Fibrinogen greater than or equal to the lower limit of normal.
  • Hepatic Function
  • Bilirubin (total) less than or equal to 1.5 times upper limit of normal (ULN)
  • Alanine aminotransferase (ALT) (serum glutamic pyruvic transaminase (SGPT) less than or equal to 3.0 times ULN
  • Albumin > 2 g/dL
  • Renal Function
  • Creatinine clearance greater than or equal to 60 mL/min/1.73 m^2, or serum creatinine base on age and gender as follows:
  • Age (years) Maximum Serum Creatinine (mg/dL)
  • 2 to < 6 0.8 0.8
  • 6 to < 10 1 1
  • 10 to < 13 1.2 1.2
  • 13 to < 16 1.5 1.4
  • greater than or equal to 16 1.7 1.4
  • Normal calcium, magnesium and phosphorus (can be on oral supplementation
  • Cardiac Function: Left ventricular ejection fraction (EF) within normal institutional limits by Echocardiogram or multi-gated acquisition scan (MUGA)
  • Ability to give informed consent. For patients < 18 years of age their legal guardian must give informed consent. Pediatric patients will be included in age appropriate discussion in order to obtain verbal assent.
  • Female and male patients (and when relevant their partners) must be willing to practice birth control (including abstinence) during and for two months after treatment, if of childbearing potential during sexual contact with a female of childbearing potential.
  • A durable power of attorney (DPA) will be offered to all patients greater than or equal to 18 years old.
  • Eligibility criteria for mandatory serial tumor biopsies
  • Age: greater than or equal to 18 years old
  • Ewing sarcoma with EWS-FLI1 fusion transcript
  • Hematologic and coagulation parameters within 2 days prior to each biopsy: Normal PT/PTT with exception of lupus anticoagulant, platelets greater than or equal to 75,000/mcL, peripheral ANC greater than or equal to 750/mcL
  • Willing to undergo biopsies, which will only be performed on tumors amenable to percutaneous biopsy

Who cannot join

  • Clinically significant systemic illness (e.g. serious active infections or significant cardiac, pulmonary, hepatic or other organ dysfunction), that in the judgment of the PI would compromise the patient s ability to tolerate protocol therapy or significantly increase the risk of complications.
  • Patients with a history intracranial Ewing sarcoma including cerebral metastases
  • Patients with evidence of active bleeding, intratumoral hemorrhage or history of bleeding diatheses
  • Patients who are receiving anticoagulants other than prophylactic anticoagulation of venous or arterial access devices, provided that requirements for PT, PTT and fibrinogen are met, as described
  • Investigational Drugs: Patients who are currently receiving another investigational drug
  • Patients who are concurrently receiving agents, which may increase the risk for mithramycin related toxicities, such as hemorrhage including:
Show all 19Show fewer
  • Thrombolytic agents
  • Anti-inflammatory drugs, nonsteroidal (nonsteroidal anti-inflammatory drugs (NSAIDs)) or aspirin or salicylate containing products, which may increase risk of hemorrhage
  • Dextran
  • Dipyridamole
  • Sulfinpyrazone
  • Valproic acid
  • Anti-cancer Agents: Patients who are currently receiving other anti-cancer agents
  • Lactating or pregnant females (due to risk to fetus or newborn, and lack of testing for excretion in breast milk).
  • Patients with history of human immunodeficiency virus (HIV), hepatitis B virus (HBV) or hepatitis C virus (HCV) due to potentially increased risk of mithramycin toxicity in this population.
  • Hypersensitivity to plicamycin (mithramycin)
  • Requirement for any of the contraindicated medications: nonsteroidal anti-inflammatory drugs, aspirin, dextran or other iron containing solutions (due to incompatibility), dipyridamole, sulfinpyrazone or valproic acid
  • Patients who in the opinion of the investigator may not be able to comply with the safety monitoring requirements of the study.
  • Patients receiving concurrently other therapies directed at their cancer.

Trial locations and contacts

1 site in 1 country.

United States1 site

  • National Institutes of Health Clinical Center, 9000 Rockville Pike

    Bethesda, Maryland, 20892

Other trials in United States

About this study

Official title: Phase I/II Trial of Mithramycin in Children and Adults With Refractory Extracranial Solid Tumors (Phase I) or Ewing Sarcoma and EWSFLI1 Fusion Transcript (Phase II)

Background:

  • Mithramycin is a drug that was first tested as a cancer therapy in the 1960s. It acted against some forms of cancer, but was never accepted as a treatment. Research suggests that it may be useful against some solid tumors, particularly Ewing sarcoma. Researchers want to see if mithramycin can be used to treat solid tumors in children and adults. It will be tested in different groups of people, including those with a type of Ewing sarcoma that contains a chemical called Ewings sarcoma - friend leukemia integration 1 transcription factor (EWS-FLI1).
Read more

Objectives:

  • To see if mithramycin is safe and effective against solid tumors and Ewing sarcoma in children and adults.

Eligibility:

  • Children and young adults between 1 and 17 years of age with solid tumors that have not responded to standard treatment.
  • Adults at least 18 years of age with EWS-FLI1 Ewing sarcoma that has not responded to standard treatment.
  • Children and young adults between 1 and 17 years of age with EWS-FLI1 Ewing sarcoma that has not responded to standard treatment.

Design:

  • Participants will be screened with a physical exam and medical history. Blood and urine samples will be collected. Imaging studies and tumor tissue samples will be used to monitor the cancer before treatment. Individuals with solid brain tumors will not be eligible.
  • Participants will receive mithramycin every day for 7 days, followed by 14 days without treatment. Each 28-day round of treatment is called a cycle.
  • Treatment will be monitored with frequent blood tests and imaging studies.
  • Participants will continue to take the drug for as long as the side effects are not severe and the tumor responds to treatment.
Read the detailed description

BACKGROUND:

  • Mithramycin, an anti-tumor antibiotic, underwent broad clinical evaluation in solid tumors and leukemias in the 1960s and demonstrated activity in some leukemias, lymphomas, and solid tumors. In particular, mithramycin was found to have activity against testicular cancers and was briefly used in the clinic for this tumor prior to the development of the currently used treatment regimen.
  • The Ewing Sarcoma Family of Tumors (ESFT) is the second most common malignant bone tumor of childhood. There has been very little improvement in overall patient survival in past years, particularly for patients with high risk metastatic or relapsed disease. Therefore, there is a need for effective novel agents for the treatment of this disease.
  • Multiple studies have shown that suppressing the expression of EWS-FLI1 effectively limits the tumorigenicity of ESFT cells. Laboratory studies have shown that mithramycin effectively suppresses the activity of EWS-FLI1 both in vitro and in vivo.

OBJECTIVES (PRIMARY):

  • Phase I portion of this study is to: determine the tolerability, toxicity, and the recommended phase II dose of mithramycin in children and adolescents with refractory extracranial solid tumors.
  • Phase II portion of this trial is to: determine the objective response rate (complete response (CR) and partial response (PR)) of Ewing sarcoma to mithramycin in children and adults using Response Evaluation Criteria in Solid Tumors (RECIST) criteria when administered at 17.5 microgram/kg over 6 hours once daily for 7 days to be repeated every 28 days until unacceptable toxicity or disease progression.
  • Phase II portion of this trial to: evaluate if mithramycin inhibits NR0B1 in tumor tissue and determine changes in gene expression signature pre-treatment and at steady state on day +4 of treatment in patients greater than or equal to 18 years old with Ewing sarcoma and EWS/FLI1 fusion transcript with disease amenable to percutaneous biopsy.

ELIGIBILITY:

  • Phase I Portion: children (greater than or equal to 12 months) and adolescents (less than or equal to 17 years) with recurrent or refractory extracranial solid tumors.
  • Phase II Portion in adults: adults (greater than or equal to 18 years of age at enrollment) with recurrent or refractory measurable extracranial Ewing sarcoma and the EWS-FLI1 fusion transcript.
  • Phase II Portion in children and adolescents: Once the adult dose is deemed safe, children (greater than or equal to 12 months) and adolescents (less than or equal to 17 years) with recurrent or refractory measurable extracranial Ewing sarcoma and the EWS-FLI1 fusion transcript will begin enrollment to the Phase II portion.
  • Participants must meet safety laboratory criteria and prior therapy limitations.

DESIGN:

Phase I Portion: Mithramycin will be administered in escalating doses to children and adolescents intravenously over 6 hours once daily for 7 days to be repeated every 28 days until unacceptable toxicity or disease progression. The cohort at the recommended dose or maximum tolerated dose (MTD) will be expanded up to 12 patients, and attempts will be made to enroll 6 patients that are greater than or equal to 12 years of age and 6 patients that are < 12 years of age to gain experience with a broad age range of patients. A maximum of 18 evaluable patients will be enrolled on the phase I portion.

  • Phase II Portion: Using a Simon two stage design, mithramycin will be administered intravenously at 17.5 microgram/kg over 6 hours once daily for 7 days to be repeated every 28 days until unacceptable toxicity or disease progression to children and adults with Ewing sarcoma with EWS-FLI1 fusion transcript. Up to 24 evaluable patients will be enrolled on the phase II portion.
  • The Phase I and Phase II portions of the protocol will enroll patients simultaneously.
Being tested
Mithramycin
Keywords
Dose Limiting Toxicity, Maximum Tolerated Dose, Radiographic Response, Time to Progression, Bone Tumors
Medical subject headings
Sarcoma, Ewing, Sarcoma, Bone Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • MithramycinDrug

    Phase I Portion: Mithramycin will be administered in escalating doses to children and adolescents intravenously over 6 hours once daily for 7 days to be repeated every 28 days until unacceptable toxicity or disease progression. If maximum tolerated dose (MTD) in this Phase differs from the recommended adult dose for Phase II, the protocol will be amended. Using a Simon two stage design, mithramycin will be administered intravenously at 17.5 microgram/kg over 6 hours once daily for 7 days to be repeated every 28 days until unacceptable toxicity or disease progression to children and adults with Ewing sarcoma with Ewings sarcoma - friend leukemia integration 1 transcription factor (EWS-FLI1) fusion transcript Both Phases will enroll patients simultaneously. Phase II Portion: mithramycin will be administered intravenously at 17.5 microgram/kg over 6 hours once daily for 7 days to be repeated every 28 days until unacceptable toxicity or disease progression to children and adults.

Study groups in NCT01610570
Study groupRoleWhat they receive
Phase I Dose Level -1ExperimentalDose Escalation Phase 9.0 mcg/kg.dose
Receives: Drug: Mithramycin
Phase I Dose Level 1ExperimentalDose Escalation Phase 13.0 mcg/kg.dose
Receives: Drug: Mithramycin
Phase I Dose Level 2ExperimentalDose Escalation Phase 17.5 mcg/kg.dose
Receives: Drug: Mithramycin
Phase II - Expansion PhaseExperimentalExpansion phase 17.5 mcg/kg.dose
Receives: Drug: Mithramycin

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Maximum Tolerated Dose (MTD) of Mithramycin

    The MTD will be the maximum dose at which fewer than one-third of patients experience Dose Limiting Toxicity (DLT) (i.e., non-hematologic toxicity and hematologic toxicity) during cycle 1 (or 28 days) of therapy.

    Measured: Cycle 1 of therapy (or 28 days)

  2. Number of Participants With Serious and Non-serious Adverse Events

    Here is the number of participants with serious and non-serious adverse events. For a detailed list of serious and non-serious adverse events see the adverse event module.

    Measured: 95 days

Secondary outcomes (11)

  1. Objective Response Rate (Complete Response (CR) + Partial Response (PR))

    Objective response in children and adolescents with Ewings sarcoma - friend leukemia integration 1 transcription factor to mithramycin is defined by the Response Evaluation Criteria in Solid Tumors (RECIST) v1.1. Complete response (CR) is disappearance of all target lesions. Partial response (PR) is at least a 30% decrease in the sum of the diameters of target lesions.

    Measured: 1-2 months

  2. Time to Progression (TTP)

    TTP is defined as the number of days from enrollment until disease progression, death because of treatment complications, resection of measureable tumor, or last patient follow-up, whichever comes first, assessed by the Response Evaluation Criteria in Solid Tumors (RECIST). Complete response (CR) is disappearance of all target lesions. Partial response (PR) is at least a 30% decrease in the sum of the diameters of target lesions. Progressive disease (PD) is at least a 20% increase in the sum of the diameters of target lesions, taking as reference the smallest sum on study (this includes the baseline sum if that is the smallest on study). In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm (Note: the appearance of one or more new lesions is also considered progressions). Stable disease (SD) is neither shrinkage to qualify for PR nor sufficient increase to qualify for PD.

    Measured: At date of progression, an average of 56 days

  3. Count of Participants With NR0B1 Expression in Tumor Biopsies

    Biopsies were to be obtained in adult patients who have disease that could be safely biopsied.

    Measured: Pre-treatment and day 4 (+/- 1 day)

  4. Number of Participants With a Change in Tumor Burden Measured by the Response Evaluation Criteria in Solid Tumors (RECIST)

    Measurable disease were to be quantified using volumetric magnetic resonance imaging analysis per the RECIST, measuring soft tissue disease. Changes in the largest diameter (unidimensional measurement) of the tumor lesions and the shortest diameter in the case of malignant lymph nodes. Complete response (CR) is disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to <10 mm. Partial response (PR) is at least a 30% decrease in the sum of the diameters of target lesions. Progressive disease (PD) is at least a 20% increase in the sum of the diameters of target lesions. In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm (Note: the appearance of one or more new lesions is also considered progressions). Stable disease (SD) is neither shrinkage to qualify for PR nor sufficient increase to qualify for PD.

    Measured: ≥4 weeks from baseline

  5. Number of Participants With a Change in Tumor Burden Measured by the World Health Organization (WHO) Criteria

    Per the WHO criteria, progressive disease is a 25% increase in tumor lesions, or the appearance of any new measureable or non-measureable tumor lesions. Partial response is ≥50% decrease in tumor lesions. Complete response is disappearance of all tumor lesions. Stable disease is 50% decrease in tumor lesions compared to baseline, nor 25% increase compared with nadir.

    Measured: ≥4 weeks from baseline

  6. Maximum Plasma Concentration (Cmax) of Mithramycin Using Non-Compartmental Methods

    The maximum observed analyte concentration in serum was reported. Mithramycin plasma concentrations were measured using high-performance liquid chromatography tandem mass spectroscopic method, and analysis was performed using the Phoenix 6.3 with WinNonlin noncompartmental method.

    Measured: Prior to dose 1, 3hrs after dose 1 infusion, prior to end of 6hr infusion, 0.25, 0.5, 1,2,3,4,5, & 7hr post infusion, & between 9 & 12hr completion of 1st dose infusion. Trough & end of infusion samples obtained w/day 2,4,&7 doses & 24hr after day 7 dose

  7. Half-Life (HL) of Mithramycin

    Plasma decay half-life is the time measured for the plasma concentration of the drug to decrease by one half. Analysis was performed using the Phoenix 6.3 with WinNonlin noncompartmental method.

    Measured: Prior to dose 1, 3hrs after dose 1 infusion, prior to end of 6hr infusion, 0.25, 0.5, 1,2,3,4,5, & 7hr post infusion, & between 9 & 12hr completion of 1st dose infusion. Trough & end of infusion samples obtained w/day 2,4,&7 doses & 24hr after day 7 dose

  8. Area Under the Curve Extrapolated to Infinity (AUCinf)

    AUC is a measure of the serum concentration of mithramycin over time. It is used to characterize drug absorption. Analysis was performed using the Phoenix 6.3 with WinNonlin noncompartmental method.

    Measured: Prior to dose 1, 3hrs after dose 1 infusion, prior to end of 6hr infusion, 0.25, 0.5, 1,2,3,4,5, & 7hr post infusion, & between 9 & 12hr completion of 1st dose infusion. Trough & end of infusion samples obtained w/day 2,4,&7 doses & 24hr after day 7 dose

  9. Area Under the Curve for the Dosing Interval (AUCtau)

    AUCtau is AUC for the dosing interval. Analysis was performed using the Phoenix 6.3 with WinNonlin noncompartmental method.

    Measured: Prior to dose 1, 3hrs after dose 1 infusion, prior to end of 6hr infusion, 0.25, 0.5, 1,2,3,4,5, & 7hr post infusion, & between 9 & 12hr completion of 1st dose infusion. Trough & end of infusion samples obtained w/day 2,4,&7 doses & 24hr after day 7 dose

  10. Clearance at Steady State (CLss)

    The CL is a quantitative measure of the rate at which a drug substance is removed from the body. Analysis was performed using the Phoenix 6.3 with WinNonlin noncompartmental method.

    Measured: Prior to dose 1, 3hrs after dose 1 infusion, prior to end of 6hr infusion, 0.25, 0.5, 1,2,3,4,5, & 7hr post infusion, & between 9 & 12hr completion of 1st dose infusion. Trough & end of infusion samples obtained w/day 2,4,&7 doses & 24hr after day 7 dose

  11. Volume of Distribution at Steady State (Vss)

    Volume of distribution is defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired plasma concentration of a drug. Analysis was performed using the Phoenix 6.3 with WinNonlin noncompartmental method.

    Measured: Prior to dose 1, 3hrs after dose 1 infusion, prior to end of 6hr infusion, 0.25, 0.5, 1,2,3,4,5, & 7hr post infusion, & between 9 & 12hr completion of 1st dose infusion. Trough & end of infusion samples obtained w/day 2,4,&7 doses & 24hr after day 7 dose

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted4 Jun 2012 (estimated)
  2. Study start10 May 2012
  3. Primary completion21 May 2014
  4. Study completion21 May 2014

Why it stopped: Study was closed to enrollment before dose level one was completed.

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1/2
Primary purpose
Treatment
Allocation
Non-randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
8 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01610570
Sponsor's protocol ID
120135
Other IDs
12-C-0135
Status last verified
Dec 2017
First submitted
31 May 2012
Last updated
2 Mar 2018
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Publications

  • Esiashvili N, Goodman M, Marcus RB Jr. Changes in incidence and survival of Ewing sarcoma patients over the past 3 decades: Surveillance Epidemiology and End Results data. J Pediatr Hematol Oncol. 2008 Jun;30(6):425-30. doi: 10.1097/MPH.0b013e31816e22f3.

    PubMed 18525458

  • Delattre O, Zucman J, Melot T, Garau XS, Zucker JM, Lenoir GM, Ambros PF, Sheer D, Turc-Carel C, Triche TJ, et al. The Ewing family of tumors--a subgroup of small-round-cell tumors defined by specific chimeric transcripts. N Engl J Med. 1994 Aug 4;331(5):294-9. doi: 10.1056/NEJM199408043310503.

    PubMed 8022439

  • Delattre O, Zucman J, Plougastel B, Desmaze C, Melot T, Peter M, Kovar H, Joubert I, de Jong P, Rouleau G, et al. Gene fusion with an ETS DNA-binding domain caused by chromosome translocation in human tumours. Nature. 1992 Sep 10;359(6391):162-5. doi: 10.1038/359162a0.

    PubMed 1522903

  • Grohar PJ, Glod J, Peer CJ, Sissung TM, Arnaldez FI, Long L, Figg WD, Whitcomb P, Helman LJ, Widemann BC. A phase I/II trial and pharmacokinetic study of mithramycin in children and adults with refractory Ewing sarcoma and EWS-FLI1 fusion transcript. Cancer Chemother Pharmacol. 2017 Sep;80(3):645-652. doi: 10.1007/s00280-017-3382-x. Epub 2017 Jul 22.

    PubMed 28735378

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing Mithramycin in people with Ewing Sarcoma and Sarcoma, run by National Cancer Institute (NCI) at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 49 inclusion and 19 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 2 Mar 2018. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 15 Feb 2016). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Maximum Tolerated Dose (MTD) of Mithramycin (time frame: Cycle 1 of therapy (or 28 days)). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01610570, which also lists 4 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 2 Mar 2018.

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