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Shwachman SyndromePhase 2NCT00004787

Phase II Pilot Study of Granulocyte Colony-Stimulating Factor for Inherited Bone Marrow Failure Syndromes

A Phase 2 study testing filgrastim in people with Shwachman Syndrome and Fanconi's Anemia, run by National Center for Research Resources (NCRR).

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

OBJECTIVES: I. Assess the efficacy of recombinant human granulocyte colony-stimulating factor (G-CSF) in raising the absolute neutrophil count, platelet count, and hemoglobin level in patients with inherited bone marrow failure syndromes. II. Read more about this study

Who is it for?
Ages 0 years and older
What is being tested?
filgrastim
How many people
20 participants
Where
No sites listed yet
Study dates
Dec 1994to not given
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 0 years and older
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

PROTOCOL ENTRY CRITERIA:

--Disease Characteristics--

Inherited bone marrow failure syndrome, including:

  • Fanconi's anemia
  • Dyskeratosis congenita
  • Shwachman syndrome
  • Amegakaryocytic thrombocytopenia
  • Decreased megakaryocytes in infancy
  • No thrombocytopenia with absent radius syndrome (TAR)
  • No trisomy 13 or 18
  • No clonal bone marrow karyotype

--Prior/Concurrent Therapy--

  • At least 4 weeks since growth factors
  • Concurrent therapy allowed if not altered for 30 days prior to entry through week 8
  • No concurrent investigational drugs

--Patient Characteristics--

  • Hematopoietic: ANC <1000
  • No leukemia
  • Other: No medical or psychiatric contraindication to protocol participation
  • No pregnant or nursing women

About this study

OBJECTIVES: I. Assess the efficacy of recombinant human granulocyte colony-stimulating factor (G-CSF) in raising the absolute neutrophil count, platelet count, and hemoglobin level in patients with inherited bone marrow failure syndromes.

II. Assess the efficacy of a reduced maintenance dose in patients who respond to daily G-CSF.

III. Assess the toxic effects of G-CSF in these patients. IV. Measure bone marrow progenitor colonies before and after G-CSF. V. Measure CD34-positive cells in marrow and blood before and after G-CSF using flow cytometry and immunohistochemistry.

Read the detailed description

PROTOCOL OUTLINE: Patients receive granulocyte colony-stimulating factor (G-CSF) subcutaneously every day for 8 weeks; nonresponders receive an increased dose for an additional 8 weeks. Patients who respond at week 8 or 16 are then tapered to a lower maintenance dose of G-CSF administered every other day through week 40. The dose is adjusted to maintain an absolute neutrophil count above 1500.

Patients are removed from study for failure to achieve a complete response by week 16, unacceptable nonhematologic toxicity, the identification of a clonal karyotype in marrow, or the onset of leukemia.

Being tested
filgrastim
Keywords
Fanconi's anemia, Shwachman syndrome, aplastic anemia, dermatologic disorders, dyskeratosis congenita, hematologic disorders, rare disease, thrombocytopenia
Medical subject headings
Shwachman-Diamond Syndrome, Fanconi Anemia, Dyskeratosis Congenita, Thrombocytopenia, Anemia, Aplastic, Skin Diseases, Hematologic Diseases, Rare Diseases

What participants receive

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

Timeline

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

  1. First posted25 Feb 2000 (estimated)
  2. Study startDec 1994

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
Enrolment
20 participants
IDs, dates and publications
ClinicalTrials.gov ID
NCT00004787
Sponsor's protocol ID
199/11877
Other IDs
UTMB-416
Status last verified
Dec 2001
First submitted
24 Feb 2000
Last updated
24 Jun 2005
Results posted
No

Publications

  • Rackoff WR, Orazi A, Robinson CA, Cooper RJ, Alter BP, Freedman MH, Harris RE, Williams DA. Prolonged administration of granulocyte colony-stimulating factor (filgrastim) to patients with Fanconi anemia: a pilot study. Blood. 1996 Sep 1;88(5):1588-93.

    PubMed 8781414

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing filgrastim in people with Shwachman Syndrome and Fanconi's Anemia, run by National Center for Research Resources (NCRR).

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: finished, as of the sponsor's last update on 24 Jun 2005. 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 is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00004787, which also lists 1 linked publication.

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 24 Jun 2005.

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