- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05199584
A Study Evaluating the Safety and Efficacy of ENV-101 (Taladegib) in Patients With Advanced Solid Tumors Harboring PTCH1 Loss of Function Mutations
December 14, 2023 updated by: Endeavor Biomedicines, Inc.
A Phase 2, Multi-Center Study Evaluating the Safety and Efficacy of ENV-101 (Taladegib) in Patients With Advanced Solid Tumors Harboring PTCH1 Loss of Function Mutations
This study employs a 2-stage design that aims to evaluate the efficacy and safety of ENV- 101, a potent Hedgehog (Hh) pathway inhibitor, in patients with refractory advanced solid tumors characterized by loss of function (LOF) mutations in the Patched-1 (PTCH1) gene.
Stage 1 of this study will enroll approximately 44 patients randomized between two dose levels.
As appropriate, Stage 2 of the study will expand enrollment based on the results of Stage 1.
Study Overview
Status
Active, not recruiting
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
44
Phase
- Phase 2
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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California
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Los Angeles, California, United States, 90095
- Research Site
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Santa Rosa, California, United States, 95403
- Research Site
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Florida
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Tampa, Florida, United States, 33609
- Research Site
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Illinois
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Zion, Illinois, United States, 60099
- Research Site
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Louisiana
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Covington, Louisiana, United States, 70433
- Research Site
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Nevada
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Las Vegas, Nevada, United States, 89102
- Research Site
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New York
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New York, New York, United States, 10065
- Research Site
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North Carolina
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Durham, North Carolina, United States, 27710
- Research Site
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Ohio
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Cincinnati, Ohio, United States, 45229
- Research Site
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Columbus, Ohio, United States, 43210
- Research Site
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Pennsylvania
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Pittsburgh, Pennsylvania, United States, 15232
- Research Site
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Tennessee
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Nashville, Tennessee, United States, 37203
- Research Site
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Texas
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Houston, Texas, United States, 77030
- Research Site
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Virginia
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Fredericksburg, Virginia, United States, 22408
- Research Site
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Lynchburg, Virginia, United States, 24501
- Research Site
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Wisconsin
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Madison, Wisconsin, United States, 53792
- Research Site
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Females or males greater than or equal to 18 years of age. If under 18 years of age, males must have a bone age of at least 17 years and females must have a bone age of at least 15 years. X-rays will be reviewed by a qualified physician (e.g. radiologist or endocrinologist) for eligibility for those under 18 years of age
- Has histologically or cytologically confirmed solid tumor that harbors a PTCH1 loss of function mutation, identified via genomic sequencing routinely performed at a CLIA certified laboratory
- Able to take medication orally
- Patients must be refractory to all standard of care therapy, or standard or curative therapy does not exist, or the patient has documented their refusal of standard of care therapies
- Patients willing to sign and have a full understanding of the informed consent form
- Life expectancy of ≥ 3 months
Exclusion Criteria:
- Concurrent administration of any anti-cancer therapies (e.g., chemotherapy, other targeted therapy) other than those administered in this study
- Uncontrolled pleural effusion, pericardial effusion, or ascites requiring recurrent drainage procedures. Patients with indwelling catheters are allowed
- Malignancies other than the primary tumor type within 5 years prior to study start, with the exception of those with a negligible risk of metastasis or death (e.g., expected 5-year Overall Survival > 90%) treated with expected curative outcome (e.g., in situ melanoma, basal or squamous cell skin cancer if completely excised, localized prostate cancer that is managed by surveillance, ductal carcinoma in situ treated surgically with curative intent are allowed)
- History of clinically significant autoimmune disease requiring prescription systemic therapy in the last two years prior to study start; patients with controlled hypothyroidism may be considered after evaluation by the Investigator.
- Presence of active infection at study start or confirmed active human immunodeficiency virus (HIV), Hepatitis B virus (HBV), or Hepatitis C virus (HCV)
- Significant cardiovascular disease, such as New York Heart Association cardiac disease (Class II or greater), myocardial infarction within 3 months prior to study start, unstable arrhythmias, or unstable angina. Patients with known coronary artery disease, congestive heart failure not meeting the above criteria, or left ventricular ejection fraction < 50% must be on a stable medical regimen that is optimized in the opinion of the treating physician
- Refractory nausea and vomiting, malabsorption, external biliary shunt or significant bowel resection that would preclude adequate absorption of investigational product
- Major surgical procedure within 28 days prior to study start or anticipation of need for a major surgical procedure during the course of the study
- Treatment with any other investigational agent or participation in another clinical study with therapeutic intent within 28 days prior to study start
- Use of drugs that are known moderate or stronger CYP3A4 inhibitors or inducers within 12 days prior to study start
- Unresolved toxicity of ≥ CTCAE Grade 2 attributed to any prior therapies (excluding anemia, alopecia, skin pigmentation, platinum-induced neurotoxicity and endocrine disease or ailments that are stable)
- Males and females of reproductive potential who are sexually active and unwilling to use birth control for the duration of the study and for 3 months after their final study dose
- Females that are pregnant or nursing
- Females and males that are unwilling to refrain from blood or blood product donation for the duration of the study and for 30 days after their final study dose
- Males who are unwilling to refrain from sperm donation and females who are unwilling to refrain from egg donation for the duration of the study and for 3 months after their final study dose
- Patients with a history of a severe allergic reaction, anaphylactic reaction or known hypersensitivity to any component of ENV-101
- Patients who are immediate family members (spouse, parent, child, or sibling; biological or legally adopted) of personnel directly affiliated with a study investigative site or the study Sponsor
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: 200 mg ENV-101
ENV-101 (taladegib) tablets, 200 mg once-daily in 28-day cycles
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tablets dosed once-daily
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Experimental: 300 mg ENV-101
ENV-101 (taladegib) tablets, 300 mg once-daily in 28-day cycles
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tablets dosed once-daily
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Objective Response Rate (ORR)
Time Frame: through study completion, an average of 6 months
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ORR is comprised of Complete Response (CR) and Partial Response (PR), measured by Response Evaluation Criteria in Solid Tumors, Version 1.1 (RECIST 1.1), as determined by an independent review (confirmed CR or PR will be defined as a repeat assessment performed no less than 28 days after the criteria for response is first met).
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through study completion, an average of 6 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Frequency of Adverse Events (AEs)
Time Frame: through study completion, an average of 6 months
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through study completion, an average of 6 months
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Frequency of unacceptable toxicities
Time Frame: through study completion, an average of 6 months
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Unacceptable toxicities = non-hematologic AEs >= Grade 3 in severity, not including alopecia and fatigue.
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through study completion, an average of 6 months
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ORR by Investigator
Time Frame: through study completion, an average of 6 months
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Best overall response of confirmed CR or PR as determined by the treating Investigator using RECIST 1.1.
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through study completion, an average of 6 months
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Clinical Benefit Rate (CBR)
Time Frame: through study completion, an average of 6 months
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CBR = the proportion of patients who achieved CR, PR or stable disease as determined by the treating Investigator using RECIST 1.1.
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through study completion, an average of 6 months
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Overall Survival (OS)
Time Frame: through study completion, an average of 6 months
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OS = Number of months from initiation of study medication to the date of death due to any cause or last follow up.
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through study completion, an average of 6 months
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Duration of Response (DOR)
Time Frame: through study completion, an average of 6 months
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DOR = the number of months from the start of CR or PR, whichever response is recorded first and subsequently confirmed, to the first date that recurrent or progressive disease is documented or death.
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through study completion, an average of 6 months
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Progression Free Survival (PFS)
Time Frame: through study completion, an average of 6 months
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PFS = number of months from initiation of study medication to the earlier of disease progression or death due to any cause or last follow up.
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through study completion, an average of 6 months
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Change in Gli1 inhibition
Time Frame: From Baseline through study completion, an average of 6 months
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Percentage change in inhibition of Gli1, a marker for inhibition of the Hedgehog pathway, in skin biopsies.
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From Baseline through study completion, an average of 6 months
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Change in steady-state exposure to study medication
Time Frame: From Baseline through study completion, an average of 6 months
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Measurement of trough concentration of study medication in blood at Baseline and the end of each 28-day treatment cycle
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From Baseline through study completion, an average of 6 months
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Study Director: Paul Frohna, M.D., Ph.D., Endeavor Biomedicines
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
May 24, 2022
Primary Completion (Estimated)
May 1, 2024
Study Completion (Estimated)
May 1, 2024
Study Registration Dates
First Submitted
December 14, 2021
First Submitted That Met QC Criteria
January 5, 2022
First Posted (Actual)
January 20, 2022
Study Record Updates
Last Update Posted (Actual)
December 18, 2023
Last Update Submitted That Met QC Criteria
December 14, 2023
Last Verified
December 1, 2023
More Information
Terms related to this study
Keywords
- Glioma
- Skin
- Cervical
- Bone
- Melanoma
- Eye
- Lung
- Brain
- Retinoblastoma
- Squamous
- Medulloblastoma
- Bladder
- Prostate
- Pituitary
- Rhabdomyosarcoma
- Uterine
- Kidney
- Gallbladder
- Basal
- Head and Neck
- Gastrointestinal
- Esophagus
- Stomach
- Breast
- Liver
- Mesothelioma
- NGS
- Osteosarcoma
- Soft Tissue Sarcoma
- Neuroblastoma
- Vulvar
- Salivary Gland
- Next Generation Sequencing
- Pancreatic Neuroendocrine Tumor
- Colorectal
- Ocular Melanoma
- NET
- Ovarian
- PTCH1
- Spinal Cord
- Endometrial
- Adrenal
- Pancreatic
- Vaginal
- Oral Cavity
- Anal
- Smoothened inhibitor
- Oropharyngeal
- Testicular
- Precision Oncology
- Hedgehog inhibitor
- Throat
- Patched-1
- Endeavor
- Laryngeal
- Hypopharyngeal
- Nasal Cavity
- Nasopharyngeal
- Lung Carcinoid
- Merkel Cell
- Bile Duct
- Small Intestine
- Penile
- Wilms
Additional Relevant MeSH Terms
Other Study ID Numbers
- ENV-ONC-101
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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