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Prostate CancerPhase 2NCT00242931

Flu/TBI in Treating Patients Not Responding to Previous Hormone Therapy

A Phase 2 study testing Nonmyeloablative stem cell conditioning regimen in people with Prostate Cancer, run by OHSU Knight Cancer Institute.

Withdrawn

Withdrawn. The study stopped before anyone enrolled.

Official record
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Trial summary

RATIONALE: Giving low doses of chemotherapy, such as fludarabine, and radiation therapy before a donor stem cell transplant helps stop the growth of cancer cells. It also stops the patient's immune system from rejecting the donor's stem cells. Read more about this study

Who is it for?
Ages 18 to 75 years, men only
Conditions the study is for
Prostate Cancer
What is being tested?
Nonmyeloablative stem cell conditioning regimen
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
0 participants
Where
No sites listed yet
Study dates
Jan 2005to Mar 2008
Phase
Phase 2
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 75 years
  • Men only
  • No healthy volunteers
  • Adult, Older adult

DISEASE CHARACTERISTICS:

  • Diagnosis of adenocarcinoma of the prostate
  • Metastatic and progressive disease
  • Refractory to hormonal therapy
  • Prostate-specific antigen (PSA) > 5 ng/mL
  • Previously treated with a docetaxel-based regimen
  • No CNS metastases

PATIENT CHARACTERISTICS:

Performance status

  • Karnofsky 70-100%

Life expectancy

  • More than 6 months

Hematopoietic

  • Not specified

Hepatic

  • Bilirubin < 2 times upper limit of normal (ULN)
  • AST and ALT < 4 times ULN

Renal

  • Creatinine clearance > 50 mL/min

Cardiovascular

  • LVEF > 35%
  • No symptomatic congestive heart failure

Pulmonary

  • DLCO > 40% of predicted OR
  • Total lung capacity or FEV_1 > 30% of predicted

Other

  • HIV negative

PRIOR CONCURRENT THERAPY:

Chemotherapy

  • See Disease Characteristics

Endocrine therapy

  • See Disease Characteristics

PATIENT AND DONOR SELECTION CRITERIA

4.1 Patient Inclusion Criteria:

4.1.1 Males aged 18-75.

4.1.2 Pathologically proven adenocarcinoma of the prostate with metastases and progressive disease (new metastatic lesions or increase in cancer-related pain or a rising PSA defined by consensus criteria. (A rising PSA will be defined as 2 measurements higher than an initial value. The second of the 3 measurements must be at least 7 days after the first).

4.1.3 Progressive disease despite hormonal management (including antiandrogen withdrawal, 6 weeks for bicalutamide, 4 weeks for flutamide or nilutamide)

4.1.4 PSA > 5 ng/mL

4.1.5 Serum testosterone level < 50 ng/mL

4.1.6 Prior treatment with a docetaxel-based regimen.

4.1.7 Performance status: Karnofsky Performance Scale (KPS) 70-100%. (Appendix III).

4.1.8 Signed informed patient consent.

4.2 Patient Exclusion criteria:

4.2.1 Expected survival less than 6 months

4.2.2 Active central nervous system involvement or spinal instability

4.2.3 Organ dysfunction:

4.2.3.1 Cardiac: Ejection fraction <35% or symptomatic congestive heart failure.

4.2.3.2 Pulmonary: DLCO <40% of predicted or either TLC or FEV1 < 30% predicted.

4.2.3.3 Liver dysfunction: serum total bilirubin >2x upper limit of normal (ULN) or either ALT or AST >4x ULN

4.2.3.4 Renal dysfunction: creatinine clearance < 50 ml/min

4.2.4 HIV seropositivity

4.2 Related Donor Inclusion criteria:

4.3.1 Age 18-75

4.3.2 Related to the patient and genotypically or phenotypically HLA-identical. (Appendix IV)

4.3.3 Able to give consent to peripheral blood stem cell mobilization with G-CSF and apheresis collection. Bone marrow donors are not eligible.

4.3 Unrelated Donor Inclusion criteria:

4.4.1 Age 18-75.

4.4.2 Unrelated donors who are prospectively:

4.4.2.1 Matched for HLA-DRB1 and -DQB1 alleles by high resolution typing AND 4.4.2.2 Matched for all serologically recognized HLA-A or -B or -C antigens and at least five of six HLA-A or -B or -C alleles as defined by Appendix IV.

4.4.3 Able to give consent to peripheral blood stem cell mobilization with G-CSF and apheresis collection. Bone marrow unrelated donors are not eligible.

4.4 Related and Unrelated Donor Exclusion criteria:

4.5.1 Identical twin.

4.5.2 Any contraindication to the administration of G-CSF for mobilization.

4.5.3 Serious medical or psychological illness.

4.5.4 Prior malignancy within the preceding five years, with the exception of non-melanoma skin cancers.

4.5.5 HIV seropositivity.

4.5.6 The donor is pregnant, has a positive serum ßhCG or is lactating.

About this study

Official title: Pilot Trial of Non-Myeloablative Allogeneic Hematopoietic Stem Cell Transplantation for the Treatment of Patients With Hormone-Refractory Prostate Cancer

RATIONALE: Giving low doses of chemotherapy, such as fludarabine, and radiation therapy before a donor stem cell transplant helps stop the growth of cancer cells. It also stops the patient's immune system from rejecting the donor's stem cells. The donated stem cells may replace the patient's immune system and help destroy any remaining cancer cells (graft-versus-tumor effect). Sometimes the transplanted cells from a donor can also make an immune response against the body's normal cells. Giving cyclosporine and mycophenolate mofetil after transplant may stop this from happening.

PURPOSE: This phase II trial is studying how well giving fludarabine together with total-body irradiation works in treating patients who are undergoing a donor stem cell transplant for progressive metastatic prostate cancer that has not responded to previous hormone therapy.

Read the detailed description

OBJECTIVES:

  • Determine the treatment-related mortality in patients with hormone-refractory, progressive metastatic prostate cancer treated with nonmyeloablative conditioning comprising fludarabine and total-body irradiation followed by allogeneic hematopoietic stem cell transplantation.

OUTLINE:

  • Nonmyeloablative conditioning regimen: Patients receive fludarabine IV on days -4 to -2 and total-body irradiation (TBI) on day 0.
  • Allogeneic hematopoietic stem cell transplantation (AHSCT): After TBI, patients undergo AHSCT on day 0.
  • Immunosuppression: Patients receive oral cyclosporine twice daily on days -3 to 56 followed by a taper until day 81. Patients also receive oral mycophenolate mofetil twice daily on days 0-27 (if patient has a related donor) OR three times daily on days 0-29 and then twice daily on days 30-149 followed by additional tapering until day 180 (if patient has an unrelated donor).

PROJECTED ACCRUAL: A total of 10 patients will be accrued for this study.

Conditions
Prostate Cancer
Being tested
Nonmyeloablative stem cell conditioning regimen
Keywords
adenocarcinoma of the prostate, recurrent prostate cancer, stage IV prostate cancer
Medical subject headings
Prostatic Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Nonmyeloablative stem cell conditioning regimenOther

    Also called Mini Transplant

    Conditioning:

    Fludarabine 30 mg/m2/day x 3, day -4 to day -2 TBI 200 cGy x 1, day 0

    Hematopoeitic Stem Cell Transplantation:

    Infusion of peripheral blood stem cells, day 0

    Immunosuppression:

    For related donors: cyclosporine (CSP) 5 mg/kg p.o. bid, day -3 to day +56, then taper by 20% every 5 days to be completed by day +81 For related donors: mycophenolate mofetil (MMF) 15 mg/kg p.o. q 12 hours, day 0 to day +27, then stop

    For unrelated donors: cyclosporine (CSP) 5 mg/kg p.o. bid, day -3 to day +56, then taper by 20% every 5 days to be completed by day +81 For unrelated donors: mycophenolate mofetil (MMF) 15 mg/kg tid day +0 to day +29, 15 mg/kg bid day +30 to day +149, and then taper by 25% per week from day +150 to day +180. Discontinue by day +181.

Study groups in NCT00242931
Study groupRoleWhat they receive
Fludarabine, TBI, Cyclosporine, MMFExperimentalFludarabine 30 mg/m2/day x 3, day -4 to day -2 TBI 200 cGy x 1, day 0 For related donors: cyclosporine (CSP) 5 mg/kg p.o. bid, day -3 to day +56, then taper by 20% every 5 days to be completed by day +81 For related donors: mycophenolate mofetil (MMF) 15 mg/kg p.o. q 12 hours, day 0 to day +27, then stop For unrelated donors: cyclosporine (CSP) 5 mg/kg p.o. bid, day -3 to day +56, then taper by 20% every 5 days to be completed by day +81 For unrelated donors: mycophenolate mofetil (MMF) 15 mg/kg tid day +0 to day +29, 15 mg/kg bid day +30 to day +149, and then taper by 25% per week from day +150 to day +180. Discontinue by day +181.
Receives: Other: Nonmyeloablative stem cell conditioning regimen

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Treatment-related mortality as measured by Kaplan-Meier at 5 years following transplant

Secondary outcomes (5)
  1. Safety by CTCAE v 3.0 at 100 days following transplant

  2. Response rate by RECIST criteria at 5 years following transplant

  3. Time to progression by Kaplan-Meier at 5 years following transplant

  4. Overall survival by Kaplan-Meier at 5 years following transplant

  5. Response as measured by a 50% reduction in the prostate-specific antigen at 5 years following transplant

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted21 Oct 2005 (estimated)
  2. Study startJan 2005
  3. Primary completionMar 2008
  4. Study completionMar 2008

Why it stopped: Unable to successfully recruit subjects to this study.

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
0 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00242931
Sponsor's protocol ID
CDR0000447211
Other IDs
OHSU-SOL-04109-L, OHSU-373
Status last verified
Sep 2010
First submitted
20 Oct 2005
Last updated
1 Jun 2012
Results posted
No
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Nonmyeloablative stem cell conditioning regimen in people with Prostate Cancer, run by OHSU Knight Cancer Institute.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: withdrawn, as of the sponsor's last update on 1 Jun 2012. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study was withdrawn before enrolling participants, so there are no results.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Treatment-related mortality as measured by Kaplan-Meier at 5 years following transplant. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 1 Jun 2012.

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