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Phase 1 N=26 Treatment

Safety and Efficacy Study of ALT-801 to Treat Progressive Metastatic Malignancies

Progressive Metastatic Malignancies

Enrolled (actual)
26
Serious AEs
23.1%
Results posted
Jul 2013
Primary outcome: Primary: The Safety and Toxicity of ALT-801 in Patients With Progressive Metastatic Malignancies — 0; 2; 4 Events

Study Design & Population

Study type
Interventional
Phase
Phase 1
Interventions
ALT-801 (Biological)
Age
Adult, Older Adult · 18+ yrs
Sex
All
Sponsor
Altor BioScience
Primary completion
Oct 2009

Outcome Measures

OutcomeResultp-value
PRIMARY
The Safety and Toxicity of ALT-801 in Patients With Progressive Metastatic Malignancies
0; 2; 4
PRIMARY
The Maximum-tolerated Dose (MTD) of ALT-801
0; 1; 2
SECONDARY
Clinical Antitumor Response to ALT-801
2; 5; 3
SECONDARY
ALT-801 Induced Cell-mediated Immune Responses
6433; 9117; 1125
SECONDARY
Immunogenicity of ALT-801
347; 5483; 762

Summary

This is a Phase 1, open-labeled, non-randomized, multi-center, competitive enrollment and dose-escalation study of ALT-801, the study drug. The purpose of this study is to evaluate the safety, determine the maximum-tolerated dose (MTD) and characterize the pharmacokinetic profile of ALT-801 in previously treated patients with progressive metastatic malignancies. ALT-801, a recombinant fusion protein with a interleukin-2 (IL-2) component, has a targeting mechanism that recognizes tumor cells with a specific tumor marker.

Eligibility Criteria

ENTRY CRITERIA:

DISEASE CHARACTERISTICS:

  • Locally advanced or metastatic malignancies
  • Histologically or cytologically confirmed
  • Evaluable
  • Surgically and medically incurable
  • Not responding to standard therapy or no other standard therapy exists
  • Human leukocyte antigen (HLA)-A2.1/p53 positive

PRIOR/CONCURRENT THERAPY:

  • No prior Proleukin therapy within one year
  • No concurrent radiotherapy, chemotherapy, or other immunotherapy
  • More than 4 weeks since prior major radiotherapy
  • More than 4 weeks since prior cytotoxic therapy
  • More than 6 weeks since prior nitrosoureas therapy
  • More than 8 weeks since prior monoclonal antibody therapy

PATIENT CHARACTERISTICS:

Life expectancy

  • > 3 months

Performance status

  • Eastern Cooperative Oncology Group (ECOG) Performance Status 0 or 1

Bone marrow reserve

  • Absolute neutrophil count (AGC/ANC) ≥ 1, 500/microliters (uL)
  • Platelets ≥100,000/uL
  • Hemoglobin ≥ 10g/dL

Renal function

  • Serum creatinine ≤ 1.5 X Upper limit of normal (ULN)

Hepatic function

  • Total bilirubin ≤ 1.5 X ULN
  • Aspartate Aminotransferase (AST) ≤ 2.5 X ULN
  • Alkaline phosphatase ≤ 2.5 X ULN
  • Prothrombin time (PT) or international normalized ratio (INR) ≤ 1.5 X ULN
  • Activated partial thromboplastin time (aPTT) ≤ 1.5 X ULN

Cardiovascular

  • May be safely tapered off anti-hypertensives if currently on anti-hypertensives
  • New York Heart Association classification I or II
  • No congestive heart failure <6 months
  • No unstable angina pectoris <6 months
  • No myocardial infarction <6 months
  • No history of ventricular arrhythmias
  • Normal cardiac stress test required if any of the following is present:
  • Over age 50
  • History of abnormal EKG
  • Symptoms of cardiac ischemia or arrhythmia

Pulmonary

  • Normal pulmonary function test (FEV1 ≥ 75% of predicted value) if any of the following is present:
  • Prolonged history of cigarette smoking
  • Symptoms of respiratory dysfunction

Other

  • No known autoimmune disease
  • No known HIV positive
  • No psychiatric illness/social situations that would limit study compliance
  • No history or evidence of central nervous system (CNS) disease
  • No active systemic infection requiring parental antibiotic therapy
  • No systemic steroid therapy required
  • No prior organ allograft
  • Not receiving other investigational agents
  • Not receiving chronic medication for asthma
  • Not pregnant or nursing
  • Fertile patients must use effective contraception
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT00496860). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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