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NeoplasmsPhase 2NCT03697824

Clinical Trial of Safety, Tolerability and Antitumor Activity of Genetically Engineered T Cells in Combination With Anti-Cancer Agents in Relapsed and Refractory Synovial Sarcoma Expressing New York Esophageal Antigen-1 (NY-ESO-1) and/or LAGE-1a

A Phase 2 study testing GSK3377794, Pembrolizumab and Fludarabine in people with Neoplasms, run by GlaxoSmithKline.

Withdrawn

Withdrawn. The study stopped before anyone enrolled.

Official record
Search all trials

Trial summary

Adoptive T-cell therapy is a therapeutic approach that aims to generate an anti-tumor T-cell immune response by infusing a cancer subjects own T-cells obtained by leukapheresis, engineered and expanded in-vitro to express a tumor specific T-cell receptor. Read more about this study

Who is it for?
Ages 10 years and older
Conditions the study is for
Neoplasms
What is being tested?
GSK3377794, Pembrolizumab and Fludarabine
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
0 participants
Where
No sites listed yet
Study dates
25 Feb 2019to 18 Jul 2022
Phase
Phase 2
Are there results?
None posted in the registry

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 10 years and older
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Who may be able to join

  • Target Expression Screening Phase: Subject must be >=10 years of age at the time of signing the informed consent. Younger subjects may only be enrolled upon consultation with Sponsor.
  • Pathologically or histologically confirmed advanced synovial sarcoma that is either metastatic or unresectable and is either currently being treated with or has completed at least one line of standard chemotherapy regimen or subject is intolerant to it. Subjects can also undergo leukapheresis prior to initiating first line or standard therapy.
  • Radiologically detectable disease.
  • Life expectancy >=3 months.
  • In the investigator's opinion, the subject is suitable for leukapheresis and, subsequently, for GSK3377794 and pembrolizumab infusion.
  • An archival biopsy or fresh biopsy (if collected as part of standard of care) of tumor tissue is required to perform antigen expression analysis.
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  • Male or female subjects will be included. Contraception requirements will apply at the time of leukapharesis and treatment.
  • Capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and protocol. For subjects <18 years of age (or the legal minimum age in the relevant country) their legal guardian must give informed consent. Pediatric subjects will be included in age-appropriate discussion in order to obtain verbal assent.
  • Leukapheresis Phase: In addition to the criteria mentioned above, the following criteria must also apply.
  • Subject's tumor has been reviewed by the GlaxoSmithKline (GSK)-designated laboratory and confirmed as meeting the pre-defined threshold for expression of NY-ESO-1 and/or, if tested, LAGE-1a, using archival or fresh (if taken as standard of care) biopsy.
  • HLA-A*02:01, HLA-A*02:05, and/or HLA-A*02:06 by high resolution testing.
  • Left ventricular ejection fraction >=40%, or Fractional Shortening >=28%.
  • Performance status: ECOG of 0-1 or for subjects <=10 years of age, Lansky >60.
  • Subject must have adequate organ function 7 days prior to leukapheresis.
  • Male or female subjects will be included. Contraceptive use by men or women should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies. a) Male subjects are eligible to participate if they agree to the following during the intervention period starting at the first dose of chemotherapy for at least 12 months after receiving the T-cell infusion, or 4 months after there is no evidence of persistence/ gene modified cells in the subject's blood, whichever is longer. Must use effective contraception for at least 4 months after the last dose of pembrolizumab if this time frame is longer than the duration of contraception required in the context of chemotherapy and gene modified cells.
  • Refrain from donating sperm and either: Be abstinent from heterosexual or homosexual intercourse as their preferred and usual lifestyle (abstinent on a long term and persistent basis) and agree to remain abstinent OR Must agree to use contraception/barrier: a) Agree to use a male condom and should also be advised of the benefit for a female partner to use a highly effective method of contraception when having sexual intercourse with a woman of childbearing potential (WOCBP) who is not currently pregnant (as a condom may break or leak). b) Agree to use male condom when engaging in any activity that allows for passage of ejaculate to another person.
  • A female subject is eligible to participate if she is not pregnant or breastfeeding, and at least one of the following conditions applies: a) Is not a WOCBP. OR, b) Is a WOCBP who will agree to use a barrier method (male condom) and use a contraceptive method that is highly effective (with a failure rate of <1% per year), during the intervention period and for at least 12 months after receiving the T-cell infusion, or 4 months after there is no evidence of persistence/ gene modified cells in the subjects blood, whichever is longer. WOCBP must use effective contraception for at least 4 months after the last dose of pembrolizumab if this time frame is longer than the duration of contraception required in the context of chemotherapy and gene modified cells. WOCBP should also agree not to donate eggs (ova, oocytes) for the purpose of reproduction during this period. The investigator should evaluate the effectiveness of the contraceptive method in relationship to the first dose of study intervention. c) A WOCBP must have a negative highly sensitive pregnancy test (urine or serum as required by local regulations) within 24 hours before any dose of study intervention. If a urine test cannot be confirmed as negative (e.g., an ambiguous result), a serum pregnancy test is required. In such cases, the subject must be excluded from participation if the serum pregnancy result is positive. The investigator is responsible for review of medical history, menstrual history, and recent sexual activity to decrease the risk for inclusion of a woman with an early undetected pregnancy.
  • Lymphodepletion and Treatment Phase: In addition to the criteria mentioned above, the following criteria must also apply:
  • Subject has been treated with at least one line of standard chemotherapy regimen and is intolerant of or not actively responding to this regimen (i.e. the subject should not be taken prematurely off their primary regimen if they are continuing to respond to it).
  • Subject must be presenting with at least two lesions: one measurable per RECIST 1.1 and the other required for biopsy. Lesions situated in a previously irradiated area are considered measurable if progression has been demonstrated in such lesions.
  • Central nervous system (CNS) metastases with low CNS disease burden are allowed on a case by case basis after risk-benefit evaluation in consultation with the Sponsor Medical Monitor (or designee) if: a) Asymptomatic; b) Clinically stable; c) No history of bleeding within CNS metastases; d) No lesions in the brain stem; e) No untreated leptomeningeal metastases; f) No spinal cord compression; g) Not requiring escalating anti-epileptic treatment; h) Not requiring treatment with steroids; i) If treated with focal radiotherapy (for example, gamma knife radiosurgery), there is at least a 2-week wash-out period; j) Not treated with whole brain radiotherapy within the prior 4 weeks.
  • Lymphodepleting regimen initiation is allowed if: a) There is clinical and/or radiographic evidence of disease progression; b) If supportive therapy (chemotherapy or radiotherapy) was used, the wash-out periods have been fulfilled; c) Supportive radiotherapy has not affected >25% of bone marrow; d) Following intermediate standard of care line of therapy.
  • Another line of standard of care therapy may be administered between leukapheresis and treatment if: a) Indicated based on risk/benefit assessment and/or local regulatory requirements and following agreement with Sponsor's Medical Monitor (or designee); b) Treatments, adverse events and other clinical observations are reported in this study database
  • A biopsy (excisional, incisional, or core) of tumor tissue obtained following cessation of the last line of treatment for synovial sarcoma but prior to initiating lymphodepleting chemotherapy is mandatory (if it is not feasible to obtain a fresh biopsy, archival tumor tissue is required).

Who cannot join

  • Target Expression Screening Phase: Prior malignancy other than synovial sarcoma: a) Subjects with a history of completely resected non-melanoma skin cancer or successfully treated in situ carcinoma are eligible. b) Subjects with previous malignancies that have been definitively treated, and have been in remission may be enrolled upon consultation with sponsor Medical Monitor or designee.
  • Previous treatment with genetically engineered NY-ESO-1 specific T cells.
  • Previous NY-ESO-1 vaccine.
  • Prior gene therapy using an integrating vector.
  • Previous allogeneic hematopoietic stem cell transplant.
  • Clinically significant systemic illness (e.g. serious active infections or significant cardiac, pulmonary, hepatic or other organ dysfunction), that in the judgment of the Investigator would compromise the subject's ability to tolerate protocol therapy or significantly increase the risk of complications.
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  • Leukapheresis Phase: In addition, to the above criteria subjects are not eligible for leukapharesis if any of the following criteria apply:
  • Has chronic, recurrent, or active autoimmune/immune-mediated disease that has required systemic treatment in the past 2 years (i.e., with use of disease modifying agents, corticosteroids or immunosuppressive drugs). Replacement therapy (e.g., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency) is not considered a form of systemic treatment and is allowed.
  • Uncontrolled intercurrent illness including, but not limited to: a) Ongoing or active infection requiring systemic therapy; b) Clinically significant cardiac disease defined by congestive heart failure New York Heart Association (NYHA) Class >1; c) Uncontrolled clinically significant arrhythmia in last 6 months; d) Acute coronary syndrome (angina or myocardial infarction) in last 6 months; e) Severe aortic stenosis or symptomatic mitral stenosis; f) Inadequate pulmonary function with mechanical parameters <40% predicted (Forced expiratory volume in 1 second [FEV1], Forced vital capacity [FVC], Total lung capacity [TLC], Diffusing capacity of the lung for carbon monoxide [DLCO]); g) Interstitial lung disease (subjects with existing pneumonitis as a result of radiation are not excluded; however, subjects cannot be oxygen dependent); h) Any other illness that in the judgment of the Investigator would compromise the subjects ability to tolerate protocol therapy or significantly increase the risk of complications
  • Current active liver or biliary disease (with the exception of Gilbert's syndrome or asymptomatic gallstones, liver metastases or otherwise stable chronic liver disease per investigator assessment).
  • Has a history of (non-infectious) pneumonitis that required steroids or has current pneumonitis.
  • Corrected QT interval duration (QTc) >450 milliseconds (msec) or QTc >480 msec for subjects with bundle branch block. The QTc is the QT interval corrected for heart rate according to Bazett's formula (QTcB), Fridericia's formula (QTcF), and/or another method, machine-read or manually over-read.
  • Subject has a history of allergic reactions attributed to compounds of similar chemical or biologic composition to cyclophosphamide, fludarabine, other agents used in the study (Subjects with vitiligo or resolved childhood asthma/atopy would be an exception to this rule).
  • Has severe hypersensitivity (>=Grade 3) to pembrolizumab and/or any of its excipients.
  • Pregnant or breastfeeding females (due to risk to fetus or newborn).
  • Any prior treatment-related toxicities must be CTCAE (Version 4.03) <=Grade 1 at the time of initiating study intervention (except for non-clinically significant toxicities e.g., alopecia, vitiligo). Subjects with Grade 2 toxicities that are deemed stable or irreversible (e.g., peripheral neuropathy) can be enrolled on a case-by-case basis in agreement between the Investigator and Sponsor's Medical Monitor (or designee).
  • Other standard of care lines of therapy are allowed only if guidelines and wash-out periods are followed.
  • Investigational treatment within 30 days or 5 half-lives (whichever is shorter) prior to leukapheresis. Investigational vaccines (other than NY-ESO-1 vaccines that are not allowed) must follow the wash-out period. Exceptions to this rule must be evaluated by the Investigator in agreement with the Sponsor's Medical Monitor (or designee).
  • Presence of hepatitis B surface antigen (HBsAg), positive hepatitis C antibody test result at screening or within 3 months prior to first dose of study intervention. Subjects with positive Hepatitis C antibody due to prior resolved disease are can be enrolled, only if a confirmatory negative Hepatitis C ribonucleic acid (RNA) polymerase chain reaction (PCR) test is obtained.
  • A positive test for HIV antibody.
  • Has known psychiatric or substance abuse disorders that would interfere with cooperating with the requirements of the study.
  • Lymphodepletion and Treatment Phase: In addition to the criteria mentioned above, subjects are not eligible for lymphodepletion or treatment if any of the following criteria apply: Subject has received cytotoxic therapy within 2 weeks prior to lymphodepleting chemotherapy: a. Subjects must have recovered from all AEs due to previous therapies to <=Grade 1 or Baseline. Subjects with <=Grade 2 neuropathy are eligible. b. Systemic corticosteroids or any other immunosuppressive therapy within 2 weeks prior to lymphodepleting chemotherapy.
  • Live vaccine within 30 days prior to the first dose of study drug. Examples of live vaccines include, but are not limited to, the following: measles, mumps, rubella, varicella/zoster (chicken pox), yellow fever, rabies, Bacillus Calmette-Guérin (BCG), and typhoid vaccine. Seasonal influenza vaccines for injection are generally killed virus vaccines and are allowed; however, intranasal influenza vaccines (e.g., FluMist) are live attenuated vaccines and are not allowed.
  • Major surgery <=28 days of first dose of study intervention.

About this study

Official title: Open-Label Phase 1b/2a Clinical Trial to Assess the Safety, Tolerability and Antitumor Activity of Genetically Engineered NY-ESO-1 Specific (c259) T Cells (GSK3377794) in Combination With Anti-Cancer Agents Including Pembrolizumab in HLA-A2+ Participants With NY-ESO-1 and/or LAGE-1a Positive Relapsed and Refractory Synovial Sarcoma

Adoptive T-cell therapy is a therapeutic approach that aims to generate an anti-tumor T-cell immune response by infusing a cancer subjects own T-cells obtained by leukapheresis, engineered and expanded in-vitro to express a tumor specific T-cell receptor. NY-ESO-1 and LAGE-1a antigens are tumor-associated proteins that have been found in several tumor types, including synovial sarcoma. This is an open-label study to evaluate the safety and efficacy of GSK3377794 (genetically engineered NY-ESO-1 Specific [c259] T Cells), in combination with anticancer agents including pembrolizumab in subjects with NY-ESO-1 and/or LAGE-1a positive relapsed and refractory synovial sarcoma. The study will consist of a target expression screening to determine if subjects are human leukocyte antigen (HLA)-A*02:01, HLA-A*02:05 and/or HLA-A*02:06 positive and if their tumors express NY-ESO-1 and/or LAGE-1a, followed by a leukapheresis screening phase of up to 42 days prior to leukapheresis. Eligible subjects will enter a leukapheresis phase followed by lymphodepletion phase with cyclophosphamide and fludarabine. During the treatment phase, subjects will be administered GSK3377794 on Day 1 followed by pembrolizumab infusion once every 3 weeks from Day 22 (or Week 7) for up to 2 years. There will be a long-term follow-up phase from the end of treatment phase and for up to 15 years from the date of GSK3377794 administration.

Conditions
Neoplasms
Being tested
GSK3377794, Pembrolizumab, Fludarabine, Cyclophosphamide
Keywords
HLA-A2+, Synovial Sarcoma, pembrolizumab, NY-ESO-1, GSK3377794, LAGE-1a
Medical subject headings
Neoplasms, Sarcoma, Synovial

What participants receive

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

  • GSK3377794Drug

    GSK3377794 is genetically engineered NY-ESO-1 Specific (c259) T cells.

  • PembrolizumabDrug

    Pembrolizumab will be administered at a dose of 200 mg once every 3 weeks for adults and 2 mg/kg (up to 200 mg) once every 3 weeks for children.

  • FludarabineDrug

    Fludarabine will be used as a lymphodepleting chemotherapy.

  • CyclophosphamideDrug

    Cyclophosphamide will be used as a lymphodepleting chemotherapy.

Study groups in NCT03697824
Study groupRoleWhat they receive
GSK3377794+pembrolizumabExperimentalAfter screening, eligible subjects will enter a leukapheresis phase, followed by lymphodepletion phase where they will be administered fludarabine and cyclophosphamide. On Day 1, subjects will receive a single dose of GSK3377794 administered as an intravenous infusion of 1 to 6 x10^9 total transduced cells. On Day 22, subjects will be administered pembrolizumab at a dose of 200 milligrams (mg) once every 3 weeks for adults and 2 mg/kilogram (kg) (up to 200 mg) once every 3 weeks for children for up to 35 cycles (2 years) or until subsequent disease progression.
Receives: Drug: GSK3377794; Drug: Pembrolizumab; Drug: Fludarabine; Drug: Cyclophosphamide

What is being measured

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

  1. Number of subjects with treatment limiting toxicities (TLT)

    The following toxicities will be considered as TLTs: Any >=Grade 4 adverse event (AE) except for Grade 4 fever and chills and Grade 4 hypoalbuminemia or abnormal electrolytes that are responding to supplementation/correction; Grade 3 non-infectious pneumonitis; Any other Grade 3 AE (excluding pneumonitis), that does not improve to Grade 2 within 7 days after onset despite medical management and supportive care; Any AE that permanently prevents subject from dosing with pembrolizumab in this trial.

    Measured: Up to 2 years

  2. Number of subjects with AEs

    An AE is any untoward medical occurrence in a clinical study subject, temporally associated with the use of a study intervention, whether or not considered related to the study intervention.

    Measured: Up to 2 years

  3. Severity of AEs

    The severity of AEs will be graded according to National Cancer Institute-Common terminology criteria for adverse events (NCI-CTCAE) version 4.03.

    Measured: Up to 2 years

Secondary outcomes (18)

  1. Number of subjects with serious adverse events (SAEs)

    An SAE is defined as any untoward medical occurrence that, at any dose: results in death; is life-threatening; requires inpatient hospitalization or prolongation of existing hospitalization; results in persistent disability/incapacity; is a congenital anomaly/birth defect; and other important medical events that may jeopardize the subject or may require medical or surgical intervention to prevent one of the other outcomes listed before.

    Measured: Up to 2 years

  2. Number of subjects with AE /SAEs leading to pembrolizumab administration delay, interruptions, and withdrawals

    Number of subjects with AE /SAEs leading to pembrolizumab administration delay, interruptions, and withdrawals will be summarized.

    Measured: Up to 2 years

  3. Number of subjects with abnormal hematology parameters

    Blood samples will be collected for the assessment of the following hematology parameters: platelet count, red blood cell (RBC) count, hemoglobin, hematocrit, mean corpuscular hemoglobin (MCH), mean corpuscular volume (MCV), reticulocytes, neutrophils, lymphocytes, monocytes, eosinophils and basophils.

    Measured: Up to 2 years

  4. Number of subjects with abnormal clinical chemistry parameters

    Blood samples will be collected for the assessment of the following clinical chemistry parameters: blood urea nitrogen (BUN), creatinine, glucose, albumin, potassium, sodium, calcium, phosphorus, magnesium, alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase, lactate dehydrogenase (LDH), bicarbonate, total and direct bilirubin, total protein, chloride and urea.

    Measured: Up to 2 years

  5. Number of subjects with abnormal urine parameters

    Urine samples will be collected for the analysis of the following urine parameters: specific gravity, potential of hydrogen (pH), glucose, protein, blood, ketones, bilirubin, urobilinogen, nitrite and leukocyte esterase by dipstick.

    Measured: Up to 2 years

  6. Number of subjects with abnormal vital signs

    Vital signs will be measured in a semi-supine position after 5 minutes of rest and will include temperature, systolic and diastolic blood pressure, and pulse rate.

    Measured: Up to 2 years

  7. Eastern Cooperative Oncology Group (ECOG) performance scores

    For subjects >10 years of age, the performance status will be assessed using ECOG.

    Measured: Up to 2 years

  8. Lansky performance scores

    For subjects <=10 years of age, the performance status will be assessed using Lansky scale.

    Measured: Up to 2 years

  9. Number of subjects with abnormal electrocardiogram (ECG) parameters

    12-lead ECG will be obtained in triplicate using an automated ECG machine.

    Measured: Up to 2 years

  10. Overall Response Rate

    Overall response rate is defined as the percentage of subjects with a confirmed complete response (CR) or a partial response (PR) at any time as per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1.

    Measured: Up to 2 years

  11. Progression free survival

    Progression-free survival is defined as the time from the date of T-cell infusion until the earliest date of disease progression (PD) as assessed by the investigator per RECIST version 1.1, or death due to any cause.

    Measured: Up to 2 years

  12. Disease Control Rate

    Disease Control Rate is defined as the percentage of subjects with a confirmed CR, PR, or stable disease (SD) for at least 6 months as per RECIST version 1.1.

    Measured: Up to 2 years

  13. Duration of Response

    Duration of response is defined as the time from first documented evidence of CR or PR until the first documented sign of disease progression or death, in the subset of subjects who show a confirmed CR or PR.

    Measured: Up to 2 years

  14. Time to Response

    Time to response is defined as the time from the first dose to the first documented evidence of CR or PR for subjects with a confirmed CR or PR.

    Measured: Up to 2 years

  15. Maximum transgene persistence (Cmax)

    Peripheral blood samples will be collected at indicated time points for measurement of GSK3377794 transduced cell quantities. GSK3377794 T-cell persistence in the peripheral blood will be measured to establish the relationship between persistence and response to GSK3377794.

    Measured: Day -14 to Day -9, Days 1, 2, 4, 8, 15, 22, Weeks 5, 7 and once every 3 weeks from Week 10 to 106

  16. Time to Cmax (Tmax)

    Peripheral blood samples will be collected at indicated time points for measurement of GSK3377794 transduced cell quantities. GSK3377794 T-cell persistence in the peripheral blood will be measured to establish the relationship between persistence and response to GSK3377794.

    Measured: Day -14 to Day -9, Days 1, 2, 4, 8, 15, 22, Weeks 5, 7 and once every 3 weeks from Week 10 to 106

  17. Area under the time curve from zero to time t (AUC[0-t])

    Peripheral blood samples will be collected at indicated time points for measurement of GSK3377794 transduced cell quantities. GSK3377794 T-cell persistence in the peripheral blood will be measured to establish the relationship between persistence and response to GSK3377794.

    Measured: Day -14 to Day -9, Days 1, 2, 4, 8, 15, 22, Weeks 5, 7 and once every 3 weeks from Week 10 to 106

  18. Number of subjects with NY-ESO-1/LAGE-1a expression in tumor tissues

    Biopsy of tumor tissue will be obtained to assess the tissue expression of the target antigen NY-ESO-1 and/or LAGE-1a.

    Measured: Up to 2 years

Timeline

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

  1. First posted5 Oct 2018
  2. Study start25 Feb 2019 (estimated)
  3. Primary completion18 Jul 2022 (estimated)
  4. Study completion18 Jul 2022 (estimated)

Why it stopped: Internal decision, study will be replaced with a larger monotherapy trial

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 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Model description
This is an open-label, single arm treatment study.
Masking
None (open label)
Enrolment
0 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03697824
Sponsor's protocol ID
209147
Status last verified
Oct 2019
First submitted
4 Oct 2018
Last updated
29 Oct 2019
Results posted
No
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
Yes: IPD for this study will be made available via the Clinical Study Data Request site.

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing GSK3377794, Pembrolizumab and Fludarabine in people with Neoplasms, run by GlaxoSmithKline.

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 24 inclusion and 24 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: withdrawn, as of the sponsor's last update on 29 Oct 2019. Status can change between updates, so confirm with the study contact before making plans.

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 phase mean?

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?

The study was withdrawn before enrolling participants, so there are no results.

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?

Number of subjects with treatment limiting toxicities (TLT) (time frame: Up to 2 years). The study lists 3 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 NCT03697824.

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 29 Oct 2019.

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