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A Study Comparing AT-101 in Combination With Docetaxel and Prednisone Versus Docetaxel and Prednisone in Men With Chemotherapy-Naïve Metastatic Hormone Refractory Prostate Cancer (HRPC)

Information source: Ascenta Therapeutics
Information obtained from ClinicalTrials.gov on February 12, 2009
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Hormone Refractory Prostate Cancer

Intervention: AT-101, prednisone and docetaxel (Drug); placebo, prednisone and docetaxel (Drug)

Phase: Phase 2

Status: Recruiting

Sponsored by: Ascenta Therapeutics

Official(s) and/or principal investigator(s):
Lance Leopold, MD, Study Director, Affiliation: Ascenta Therapeutics

Overall contact:
Melissa Brookes, Phone: 610-408-0301, Email: mbrookes@ascenta.com

Summary

This is a randomized, double-blind, placebo-controlled, multinational Phase 2 study to evaluate and compare oral AT-101 in combination with docetaxel and prednisone versus docetaxel and prednisone plus placebo in the treatment of chemotherapy-naïve metastatic hormone-refractory prostate cancer, who have received hormonal therapy but not chemotherapy.

Clinical Details

Official title: A Randomized, Double-Blind, Placebo-Controlled, Multicenter, Phase 2 Study Comparing AT-101 in Combination With Docetaxel and Prednisone Versus Docetaxel and Prednisone in Men With Chemotherapy-Naïve Metastatic Hormone Refractory Prostate Cancer (HRPC)

Study design: Treatment, Randomized, Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Placebo Control, Parallel Assignment

Primary outcome: To evaluate and compare progression-free survival (PFS) in men with chemotherapy-naïve metastatic HRPC treated with AT-101 in combination with docetaxel and prednisone versus docetaxel and prednisone plus placebo.

Secondary outcome:

To determine the toxicities associated with oral AT-101 administered in combination with docetaxel and prednisone.

To evaluate the two treatment arms with respect to change in quality of life (QOL) status and Present Pain Intensity (PPI) score and the change of QOL and PPI score relative to baseline.

To evaluate PSA and objective tumor response rate.

Detailed description: Further Study Details provided by Ascenta.

Eligibility

Minimum age: 18 Years. Maximum age: N/A. Gender(s): Both.

Criteria:

Inclusion Criteria:

1. Males age ≥ 18 years with histologically confirmed adenocarcinoma of the prostate, which is now metastatic (e. g. any T, any N, M1a-c) based on bone scan, CT scan, or MRI scan.

2. Progression of disease despite androgen deprivation (androgen ablation or surgical castration) and anti-androgen withdrawal as documented by one or more of the following.

- Progression of measurable disease per RECIST

- Bone scan progression, defined as the appearance of ≥ 2 new lesions on bone scan,

attributable to prostate cancer

- Rising PSA, as defined by increasing levels on at least two consecutive

assessments, following a prior assessment taken as a reference value, where all of the following are met:

- The assessments are at least one week apart, with the first assessment at

least one week later than the reference value

- Progressive increase in the two assessments after the reference value,

without an intervening decrease between assessments.

- The last value prior to study entry is ≥ 2 ng/mL

3. Serum testosterone level ≤ 50 ng/dL post orchiectomy or while maintained on continuous or intermittent medical androgen suppression with a LHRH agonist or antagonist.

4. At least 4 weeks since ketoconazole or systemic steroids (any dose); 4 weeks since prior flutamide, megestrol, or aminoglutethimide; and at least 6 weeks since prior bicalutamide or nilutamide

5. At least 4 weeks since prior flutamide, megestrol, ketoconazole, aminoglutethimide, or systemic steroids (any dose); and at least 6 weeks since prior bicalutamide or nilutamide

6. Radiation therapy and/or therapy with samarium must have been completed 4 weeks prior to first dose of therapy. Strontium therapy must have been completed at least 12 weeks prior to the first dose of therapy. The patient must have recovered from all treatment-related toxicities.

7. ECOG performance status ≤ 2

8. Able to swallow and retain oral medication

Exclusion Criteria:

1. Received prior chemotherapy (including estramustine phosphate [Estracyt]) for HRPC. Adjuvant chemotherapy (including docetaxel) is allowed provided that progression of disease occurred ≥ 6 months after the completion of adjuvant therapy.

2. Patients must not be receiving concurrent anti-androgen hormonal therapy for HRPC (LHRH directed therapies are acceptable to maintain castrate levels of testosterone).

3. Treatment with monoclonal antibody (e. g., VEGF targeting antibody) or prostate cancer vaccine within 45 days prior to the first dose of study treatment. Acute toxicities from prior therapy must have resolved to Grade ≤ 1.

4. Known history of or clinical evidence of central nervous system (CNS) metastases or leptomeningeal carcinomatosis

5. Active secondary malignancy or history of other malignancy within the last 5 years

6. Prior history of radiation therapy to ≥ 30% of the bone marrow

7. Peripheral neuropathy of ≥ Grade 2

8. Patients with malabsorption syndrome, disease significantly affecting gastrointestinal function, or resection of the stomach or small bowel are excluded. Subjects with ulcerative colitis, inflammatory bowel disease, or partial or complete small bowel obstruction are also excluded.

9. Class 3 or 4 cardiac disease as defined by the New York Heart Association Functional Classification

10. Known active symptomatic fungal, bacterial and/or viral infection including active HIV. Note: screening for viruses is not required.

11. Psychiatric illness/social situations that would limit compliance with the study requirements.

Locations and Contacts

Melissa Brookes, Phone: 610-408-0301, Email: mbrookes@ascenta.com

Barnaul, Russian Federation; Recruiting
Vladimir Lubennikov, MD, Phone: 7 3852 77 47 55

Engels, Russian Federation; Recruiting
Olga Brichkova, MD, Phone: 7 8453 73 35 10

Kazan, Russian Federation; Recruiting
Sufia Safina, MD, Phone: 7 8432 19 26 00

Kursk, Russian Federation; Recruiting
Igor Kiselev, MD, Phone: 7 4712 54 88 52

Kuzmolovsky, Russian Federation; Recruiting
Laslo Roman, MD, Phone: 7 812 273 74 42

Lipetsk, Russian Federation; Recruiting
Sergey Shinkarev, MD, Phone: 7 474 270 6387

Moscow, Russian Federation; Recruiting
Andrey Karpin, MD, Phone: 7 495 333 90 60

Moscow, Russian Federation; Recruiting
Vsevolod Matveev, MD, Phone: 7 495 324 44 89

Moscow, Russian Federation; Recruiting
Oleg Apolikhin, MD, Phone: 7 495 164 76 60

Moscow, Russian Federation; Recruiting
Vasily Borisov, MD, Phone: 7 495 261 44 01

Moscow, Russian Federation; Recruiting
Michail Biakhov, MD, Phone: 7 495 187 74 83

Moscow, Russian Federation; Recruiting
Anatoly Makhson, MD, Phone: 8 495 561 23 12

Republic of Bashkortostan, Russian Federation; Recruiting
Oleg Lipatov, MD, Phone: 8 3472 485518

Sochi, Russian Federation; Recruiting
Dmitry Udovitsa, MD, Phone: 7 8622 61 51 90

Stavropol, Russian Federation; Recruiting
Sergey Mikhailov, MD, Phone: 7 8652 47 02 69

St. Petersburg, Russian Federation; Recruiting
Sergey Gorelov, MD, Phone: 7 812 558 92 32

St. Petersburg, Russian Federation; Recruiting
Petr Karlov, MD, Phone: 7 812 376 89 20

St. Petersburg, Russian Federation; Recruiting
Mikhail Forkampf-Laue, MD, Phone: 8 812 937 92 03

St. Petersburg, Russian Federation; Recruiting
Salman Al-Shukri, MD, Phone: 8 812 234 66 57

Voronezh, Russian Federation; Recruiting
Vadim Popov, MD, Phone: 7 4732 53 32 77

Yekaterinburg, Russian Federation; Recruiting
Irina Bulavina, MD, Phone: 7 343 376 95 46

Colorado Springs, Colorado, United States; Recruiting
Katherine Scheich, Phone: (303) 388-4876

New Port Richey, Florida, United States; Recruiting
Suzanne Jacobs, Phone: (727) 842-8411

Ocoee, Florida, United States; Recruiting
Lynn Hogue, Phone: (407) 292-3042

Fishers, Indiana, United States; Recruiting
Kathryn Lynn La Prees, Phone: (317) 964-5200

Burnsville, Minnesota, United States; Recruiting
Carol Vake, Phone: (612) 863-8585

Las Vegas, Nevada, United States; Recruiting
Elizabeth Petersen, Phone: (702) 952-3400

Albuquerque, New Mexico, United States; Recruiting
Debra Winkeljohn, RN, Phone: (505) 938-5858, Ext: 236
Helen Whitesides, Phone: (505) 938-5858, Ext: 237

Albuquerque, New Mexico, United States; Recruiting
John Pierce, RN,ONC, Phone: 505-272-0323

Las Cruces, New Mexico, United States; Recruiting
Kim Hoffman, Phone: 575-556-1748

Raleigh, North Carolina, United States; Recruiting
Diane Bracco, Phone: (919) 781-7070

Kettering, Ohio, United States; Recruiting
Michelle Owens, Phone: (937) 293-1622

Eugene, Oregon, United States; Recruiting
Jeanne Schaffer, Phone: (541) 681-4930

Spartanburg, South Carolina, United States; Recruiting
Gina Norris, Phone: (864) 699-5700

Amarillo, Texas, United States; Recruiting
John McMahan, Phone: (806) 457-2026

Arlington, Texas, United States; Recruiting
Robin Rutt, Phone: (817) 467-6092

Austin, Texas, United States; Recruiting
Gabriella Iannone, Phone: (512) 427-9467

Dallas, Texas, United States; Recruiting
Marine Fisher, Phone: (214) 370-1000

Midland, Texas, United States; Recruiting
Mary Williams, Phone: (432) 687-1949

Paris, Texas, United States; Recruiting
Sue Crumpler, Phone: (903) 785-0031

Webster, Texas, United States; Recruiting
Deborah Terry-Dettmer, Phone: (281) 332-7505

Denton, Texas, United States; Recruiting
Debra Vernon, Phone: (940) 328-1022

Fairfax, Virginia, United States; Recruiting
Denise Campbell, Phone: (703) 391-5874

Norfolk, Virginia, United States; Recruiting
Wendi Gobhardt, Phone: (757) 466-8683

Kennewick, Washington, United States; Recruiting
Cynthia Beecher, Phone: (509) 783-0144

Vancouver, Washington, United States; Recruiting
Judith Welch, Phone: (360) 944-9889

Additional Information

Starting date: October 2007
Ending date: December 2009
Last updated: January 8, 2009

Page last updated: February 12, 2009

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