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A Phase 1 Single Ascending Dose Trial of MLN2704 (DM1 Conjugated Monoclonal Antibody MLN591) in Subjects With Metastatic Androgen Independent Prostate Cancer

Phase 1
Not Enrolling
Prostate Cancer

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Trial Information

A Phase 1 Single Ascending Dose Trial of MLN2704 (DM1 Conjugated Monoclonal Antibody MLN591) in Subjects With Metastatic Androgen Independent Prostate Cancer

This is a Phase 1 open-label dose-escalating trial designed to determine the dose-limiting
toxicity (DLT), maximum tolerated dose (MTD) and pharmacokinetics of a single dose of
MLN2704 in subjects with metastatic androgen-independent prostate cancer.

Inclusion Criteria

Inclusion Criteria

Each subject must meet the following inclusion criteria to be eligible for enrollment in
the study:

- Histologic diagnosis (recent or remote) of prostate adenocarcinoma

- Progressive prostate cancer on physical exam, imaging studies and/or rising PSA, as
defined by the presence of one or more of the following:

- Progressive tumor lesions (changes in the size of lymph nodes or parenchymal
masses on physical examination or X-ray and CT scan or MRI)

- Progressive bone metastasis (presence of new lesion(s) on a bone scan)

- Progressive PSA levels despite castrate levels of testosterone

- Patients who have received an anti-androgen must have shown progression of
disease off of the anti-androgen prior to enrollment

- Failed hormonal therapy (including anti-androgen withdrawal therapy, as appropriate)

- LHRH (Luteinizing Hormone–Releasing Hormone)analog therapy:

- If subject is being treated with LHRH analog therapy at the time of screening the
therapy must be maintained for the duration of the trial.

- If subject discontinued LHRH therapy prior to screening, the therapy must be
discontinued ≥10 weeks prior to enrollment for 1 month depot preparations, 24 weeks
for 3 month depot preparations, and 32 weeks for 4 month depot preparations.

- Agree to use an effective method of barrier contraception. Effective method of
barrier contraception includes a condom with spermicidal jelly, a diaphragm with
spermicidal jelly, or abstinence.

Exclusion Criteria

Subjects meeting any of the following exclusion criteria are not to be enrolled in the

- Use of corticosteroids and/or adrenal hormone inhibitors within 4 weeks of enrollment

- Use of PC-SPES (herbal supplement) within 4 weeks of enrollment

- Prior cytotoxic chemotherapy and/or radiation therapy within 6 weeks of enrollment

- Use of anti-androgen therapy (e.g., flutamide, bicalutamide, nilutamide) within 6
weeks of enrollment

- Prior monoclonal antibody administration, including Prostacint®

- Peripheral neuropathy of Grade 2 or greater intensity, as defined by the NCI Common
Toxicity Criteria (NCI CTC)

- History of CNS metastasis, including epidural disease

- History of seizure disorder requiring active treatment and/or stroke

- History of HIV infection

- Platelet count ≤100,000/mm3

- Absolute neutrophil count (ANC) ≤1,500/mm3

- Hematocrit ≤30 percent

- Abnormal coagulation profile (PT, and/or INR, PTT)

- Creatinine clearance <60 mL/min or Serum creatinine >2.0 mg/dL

- AST or ALT >1.5 X ULN

- Bilirubin (total) >ULN

- Serum calcium ≥12.5 mg/dL

- Active serious infection not controlled by antibiotics

- Active angina pectoris or NY Heart Association Class III-IV heart disease

- Karnofsky Performance Status <60

- Life expectancy <6 months

- Other serious illness(es) involving the cardiac, respiratory, CNS, renal, hepatic or
hematological organ systems that might preclude completion of this study or interfere
with determination of causality of any adverse effects experienced in this study

Type of Study:


Study Design:

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


United States: Food and Drug Administration

Study ID:




Start Date:

November 2002

Completion Date:

Related Keywords:

  • Prostate Cancer
  • Prostatic Neoplasms



Memorial Sloan-Kettering Cancer Center New York, New York  10021
The Sidney Kimmel Comprehensive Cancer Center @ Johns Hopkins Baltimore, Maryland  21231