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Phase 1
18 Years
N/A
Not Enrolling
Both
Neoplasms

Thank you

Trial Information


OBJECTIVES: I. Investigate the safety and efficacy of SS1(dsFv)-PE38 administered as a
10-day continuous intravenous infusion.

II. Determine the toxicities and maximum tolerated dose (MTD) of SS1(dsFv)-PE38 given by
continuous intravenous infusion for ten days in patients with advanced malignancies.

III. Evaluate response of selected advanced malignancies to continuous intravenous infusion
of SS1(dsFv)-PE38 for ten days at doses near the MTD.

IV. Characterize the plasma kinetics of SS1(dsFv)-PE38 administered by continuous
intravenous infusion.

V. Determine the appearance of serum antibody to SS1(dsFv)-PE38.

PROTOCOL OUTLINE: To exclude immediate allergic hypersensitivity reaction, each patient will
receive a test dose of SS1(dsFv)-PE38, and be observed for 30 minutes prior to receiving the
continuous infusion on Day 1 of each treatment course. Each treatment will be given by
continuous intravenous infusion for ten days. After the first 24 hours of infusion, at the
Investigator's discretion, patients will be allowed to leave the hospital on day pass per
NCI policies. After the end of infusion patients will be observed overnight. The first
patient at each dose level must be observed for development of toxicity for at least 14 days
after the beginning of treatment before additional patients are enrolled. At least three
patients will be accrued at each dose level. Dose escalation within a patient will not be
allowed.

PROJECTED ACCRUAL: Up to 30 patients

Inclusion Criteria


-Disease Characteristics-

Histopathologic diagnosis of one of the following malignancies: malignant mesothelioma;
ovarian carcinoma, all non-mucinous epithelial histologies, including primary peritoneal
and fallopian tube carcinoma; squamous cell cancer of the lung; squamous cell cancer of
the head and neck; or squamous cell cancer of the cervix.

Recurrent unresectable disease after appropriate definitive therapy.

Tumor (initial or recurrent; at least 30% of tumor cells) must be positive (at least 1+)
for mesothelin by immunohistochemistry.

No concurrent anti-tumor treatment. At least 4 weeks since any prior anti-tumor therapy,
with recovery from side effects, and at least one week since any hematopoetic growth
factor therapy.

Measurable or evaluable tumor documented within 4 weeks prior to study entry.

-Patient Characteristics-

At least 18 years of age.

At least 12-week life expectancy.

Performance Status (ECOG) 0-2.

Adequate organ function, including: Absolute neutrophil count at least 1,000/mm3;
Platelets at least 75,000/mm3; Creatinine, Calcium, and total Bilirubin less than or equal
to the upper limit of normal; Liver enzymes AST and ALT less than or equal to 2.5 x the
upper limit of normal; Albumin at least 3.0 g/dL; Oxygen (O2) saturation greater than 92%
(room air).

Signed Informed Consent, in accordance with institutional criteria.

No known Central Nervous System (CNS) or spinal cord involvement by tumor.

No detectable antibody to SS1(dsFv)-PE38.

No concurrent antitumor therapy.

No cardiovascular condition NY Heart Association Grade II-IV, or any
clinically-significant pericardial effusion.

No infection requiring parenteral antibiotics; no HIV infection; and no seropositivity for
Hepatitis B and Hepatitis C.

Not pregnant or nursing. Females of child-bearing potential must use an effective method
of contraception.

Type of Study:

Interventional

Study Design:

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Authority:

United States: Food and Drug Administration

Study ID:

SS1PE-001

NCT ID:

NCT00024674

Start Date:

February 2001

Completion Date:

Related Keywords:

  • Neoplasms
  • SS1(dsFv)-PE38
  • SS1P
  • anti-mesothelin immunotoxin
  • advanced malignancy
  • Neoplasms

Name

Location

NCI/NIH Bethesda, Maryland  20892