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Study of Vintafolide (MK-8109, EC145) for the Treatment of Recurrent or Refractory Solid Tumors (MK-8109-006, EC-FV-01)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT00308269
Recruitment Status : Completed
First Posted : March 29, 2006
Last Update Posted : December 19, 2014
Sponsor:
Information provided by (Responsible Party):
Endocyte

Study Description
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Brief Summary:
This is a Phase I clinical trial evaluating the safety and tolerability of escalating doses of vintafolide (EC145) in participants with relapsed or refractory advanced tumors. The primary objective of this study is to determine the safety and maximum tolerated dose of vintafolide given by intravenous bolus or infusion. The efficacy of the treatment will also be measured.

Condition or disease Intervention/treatment Phase
Cancer Drug: Vintafolide IV Bolus Drug: Vintafolide IV Infusion Phase 1

Detailed Description:
This is a dose escalation study of vintafolide administered by intravenous (IV) bolus or infusion during weeks 1 and 3 of a 4-week cycle to participants with solid tumors refractory to current therapies. Vintafolide is a drug that is specifically designed to enter cells via a folate vitamin receptor. Experimental evidence shows that the target receptor is over-expressed in many human cancers. There are no previous human studies of vintafolide treatment; however, lab research (research in test tubes and/or animals) using vintafolide has shown activity against tumors in animals. This activity in animal models suggests that vintafolide may be useful as chemotherapy against human cancers.
Study Design
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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 32 participants
Allocation: Non-Randomized
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Protocol EC-FV-01: A Phase 1 Study of EC145 Administered in Weeks 1 and 3 of a 4-Week Cycle
Study Start Date : March 2006
Actual Primary Completion Date : August 2007
Actual Study Completion Date : July 2008
Arms and Interventions
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Arm Intervention/treatment
Experimental: Vintafolide 1.2 mg IV Bolus
Vintafolide 1.2 mg administered by IV bolus on Days 1, 3, 5, 15, 17, and 19 of 4-week treatment cycles
 Drug: Vintafolide IV Bolus
Vintafolide is a folic acid desacetylvinblastine hydrazide conjugate
Experimental: Vintafolide 2.5 mg IV Bolus
Vintafolide 2.5 mg administered by IV bolus on Days 1, 3, 5, 15, 17, and 19 of 4-week treatment cycles
 Drug: Vintafolide IV Bolus
Vintafolide is a folic acid desacetylvinblastine hydrazide conjugate
Experimental: Vintafolide 4.0 mg IV Bolus
Vintafolide 4.0 mg administered by IV bolus on Days 1, 3, 5, 15, 17, and 19 of 4-week treatment cycles
 Drug: Vintafolide IV Bolus
Vintafolide is a folic acid desacetylvinblastine hydrazide conjugate
Experimental: Vintafolide 2.5 mg IV Infusion
Vintafolide 2.5 mg administered by a 1-hour IV infusion on Days 1, 3, 5, 15, 17, and 19 of 4-week treatment cycles
 Drug: Vintafolide IV Infusion
Vintafolide is a folic acid desacetylvinblastine hydrazide conjugate
Experimental: Vintafolide 3.0 mg IV Infusion
Vintafolide 3.0 mg administered by a 1-hour IV infusion on Days 1, 3, 5, 15, 17, and 19 of 4-week treatment cycles
 Drug: Vintafolide IV Infusion
Vintafolide is a folic acid desacetylvinblastine hydrazide conjugate


Outcome Measures
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Primary Outcome Measures :
  1. Maximum Tolerated Dose During Cycle 1 Treatment [ Time Frame: Up to Day 26 in Treatment Cycle 1 ]
    Maximum Tolerated Dose (MTD) was defined as the highest dose that can safely be administered to a patient to produce acceptable, manageable and reversible toxicity. This level was further defined as the dose level at which no more than 1 of 6 participants had dose-limiting toxicity (DLT) and the level below the dose at which ≥2 of 6 participants had DLT.


Secondary Outcome Measures :
  1. Number of Participants with Best Overall Tumor Response: Participants with Folate Receptor Positive Tumors at Baseline [ Time Frame: Up to Week 24 ]
    Tumor status was assessed according to Response Evaluation Criteria in Solid Tumors. Tumor responses used as a reference the sum of the longest diameter (LD) of the target lesions using imaging studies. Partial Response was defined as ≥30% decrease in LD. Stable Disease was defined as neither sufficient shrinkage or increase in LD to qualify as either Partial Response or Progressive Disease. Progressive Disease was defined as ≥20% increase in LD.

  2. Number of Participants with a Dose-Limiting Toxiciity During Cycle 1 Treatment [ Time Frame: Up to Day 26 in Treatment Cycle 1 ]
    Dose limiting toxicity was defined as an adverse event that is likely related to the study medication, and fulfills any one of the following criteria: Grade 2 non-hematological toxicity that fails to recover to a Grade 1 level or Baseline at the time that the next treatment cycle is due (with the exception of alopecia); Grade 3 non-hematological toxicity (except for nausea/vomiting without maximal symptomatic / prophylactic treatment); Grade 4 hematological toxicity; Toxicity that, in the opinion of the investigator, would prevent use of the drug dose or regimen by the general oncology community.

  3. Number of Participants with an Adverse Event Leading to Study Discontinuation During Cycle 1 Treatment [ Time Frame: Up to Day 26 in Treatment Cycle 1 ]
    An adverse event was defined as any untoward, undesired, or unplanned clinical event in the form of physical signs, symptoms, disease, laboratory or physiological observations in a participant administered the Sponsor's product whether or not related to the use of the product

  4. Number of Participants with Best Overall Tumor Response: All Treated Participants [ Time Frame: Up to Week 24 ]
    Tumor status was assessed according to Response Evaluation Criteria in Solid Tumors. Tumor responses used as a reference the sum of the longest diameter (LD) of the target lesions using imaging studies. Complete Response was defined as disappearance of all target lesions. Partial Response was defined as ≥30% decrease in LD. Stable Disease was defined as neither sufficient shrinkage or increase in LD to qualify as either Partial Response or Progressive Disease. Progressive Disease was defined as ≥20% increase in LD.

  5. Maximum Plasma Concentration (Cmax) of Vintafolide on Day 1 of Treatment Cycle 1 [ Time Frame: Up to 90 minutes after IV bolus dosing and up to 60 minutes after the start of the 1-hour IV infusion on Day 1 of treatment cycle 1 ]
    Blood was collected from participants for determination of plasma vintafolide. The lower limit of quantitation for vintafolide was 10 ng/mL.

  6. Maximum Plasma Concentration (Cmax) of Vintafolide on Day 3 of Treatment Cycle 1 [ Time Frame: Up to 90 minutes after IV bolus dosing and up to 60 minutes after the start of the 1-hour IV infusion on Day 3 of treatment cycle 1 ]
    Blood was collected from participants for determination of plasma vintafolide. The lower limit of quantitation for vintafolide was 10 ng/mL.

  7. Area Under the Plasma Concentration-Time Curve (AUC) of Vintafolide on Day 1 of Treatment Cycle 1 [ Time Frame: Up to 90 minutes after IV bolus dosing and up to 60 minutes after the start of the 1-hour IV infusion on Day 1 of treatment cycle 1 ]
    Blood was collected from participants for determination of plasma vintafolide. The lower limit of quantitation for vintafolide was 10 ng/mL.

  8. Area Under the Plasma Concentration-Time Curve (AUC) of Vintafolide on Day 3 of Treatment Cycle 1 [ Time Frame: Up to 90 minutes after IV bolus dosing and up to 60 minutes after the start of the 1-hour IV infusion on Day 3 of treatment cycle 1 ]
    Blood was collected from participants for determination of plasma vintafolide. The lower limit of quantitation for vintafolide was 10 ng/mL.


Eligibility Criteria
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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Histological or cytological diagnosis of neoplasm
  • No effective standard therapeutic options
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0-2
  • >=4 weeks post therapeutic radiation of chemotherapy >=6 weeks for nitrosoureas and mitomycin C) and recovery from associated toxicities
  • Negative serum pregnancy test for women of child-bearing potential and willingness to practice contraceptive methods
  • Adequate bone marrow reserve, renal, and hepatic function

Exclusion Criteria:

  • Concurrent hematological malignancies
  • Women who are pregnant or lactating
  • Evidence of symptomatic brain metastases
  • Receiving concomitant anticancer therapy (excluding supportive care)
  • Requires palliative radiotherapy at time of study entry
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00308269


Locations
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United States, Maryland
Greenebaum Cancer Center at University of Maryland Medical Center
Baltimore, Maryland, United States, 21201
United States, Michigan
Barbara Ann Karmanos Cancer Institute
Detroit, Michigan, United States, 48201
Sponsors and Collaborators
Endocyte
More Information
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Publications of Results:

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Responsible Party: Endocyte
ClinicalTrials.gov Identifier: NCT00308269    
Other Study ID Numbers: 8109-006
EC-FV-01 ( Other Identifier: Endocyte )
First Posted: March 29, 2006    Key Record Dates
Last Update Posted: December 19, 2014
Last Verified: December 2014
Keywords provided by Endocyte:
Cancer
Phase I
EC145
Recurrent
 Refractory
Solid Tumors
Experimental
Additional relevant MeSH terms:
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Folic Acid
Vinca Alkaloids
Hematinics
Vitamin B Complex
Vitamins
Micronutrients
Nutrients
 Growth Substances
Physiological Effects of Drugs
Antineoplastic Agents
Tubulin Modulators
Antimitotic Agents
Mitosis Modulators
Molecular Mechanisms of Pharmacological Action