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Last Updated: March 26, 2026

CLINICAL TRIALS PROFILE FOR NIPENT


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505(b)(2) Clinical Trials for NIPENT

This table shows clinical trials for potential 505(b)(2) applications. See the next table for all clinical trials
Trial Type Trial ID Title Status Sponsor Phase Start Date Summary
New Combination NCT03249831 ↗ A Blood Stem Cell Transplant for Sickle Cell Disease Recruiting California Institute for Regenerative Medicine (CIRM) Phase 1 2019-01-04 Blood stem cells can produce red blood cells (which carry oxygen), white blood cells of the immune system (which fight infections) and platelets (which help the blood clot). Patients with sickle cell disease produce abnormal red blood cells. A blood stem cell transplant from a donor is a treatment option for patients with severe sickle cell disease. The donor can be healthy or have the sickle cell trait. The blood stem cell transplant will be given to the patient as an intravenous infusion (IV). The donor blood stem cells will then make normal red blood cells - as well as other types of blood cells - in the patient. When blood cells from two people co-exist in the patient, this is called mixed chimerism. Most children are successfully treated with blood stem cells from a sibling (brother/sister) who completely shares their tissue type (full-matched donor). However, transplant is not an option for patients who (1) have serious medical problems, and/or (2) do not have a full-matched donor. Most patients will have a relative who shares half of their tissue type (e.g. parent, child, and brother/sister) and can be a donor (half-matched or haploidentical donor). Adult patients with severe sickle cell disease were successfully treated with a half-matched transplant in a clinical study. Researchers would like to make half-matched transplant an option for more patients by (1) improving transplant success and (2) reducing transplanted-related complications. This research transplant is being tested in this Pilot study for the first time. It is different from a standard transplant because: 1. Half-matched related donors will be used, and 2. A new combination of drugs (chemotherapy) that does not completely wipe out the bone marrow cells (non-myeloablative treatment) will be used to prepare the patient for transplant, and 3. Most of the donor CD4+ T cells (a type of immune cells) will be removed (depleted) before giving the blood stem cell transplant to the patient to improve transplant outcomes. It is hoped that the research transplant: 1. Will reverse sickle cell disease and improve patient quality of life, 2. Will reduce side effects and help the patient recover faster from the transplant, 3. Help the patient keep the transplant longer and 4. Reduce serious transplant-related complications.
New Combination NCT03249831 ↗ A Blood Stem Cell Transplant for Sickle Cell Disease Recruiting City of Hope Medical Center Phase 1 2019-01-04 Blood stem cells can produce red blood cells (which carry oxygen), white blood cells of the immune system (which fight infections) and platelets (which help the blood clot). Patients with sickle cell disease produce abnormal red blood cells. A blood stem cell transplant from a donor is a treatment option for patients with severe sickle cell disease. The donor can be healthy or have the sickle cell trait. The blood stem cell transplant will be given to the patient as an intravenous infusion (IV). The donor blood stem cells will then make normal red blood cells - as well as other types of blood cells - in the patient. When blood cells from two people co-exist in the patient, this is called mixed chimerism. Most children are successfully treated with blood stem cells from a sibling (brother/sister) who completely shares their tissue type (full-matched donor). However, transplant is not an option for patients who (1) have serious medical problems, and/or (2) do not have a full-matched donor. Most patients will have a relative who shares half of their tissue type (e.g. parent, child, and brother/sister) and can be a donor (half-matched or haploidentical donor). Adult patients with severe sickle cell disease were successfully treated with a half-matched transplant in a clinical study. Researchers would like to make half-matched transplant an option for more patients by (1) improving transplant success and (2) reducing transplanted-related complications. This research transplant is being tested in this Pilot study for the first time. It is different from a standard transplant because: 1. Half-matched related donors will be used, and 2. A new combination of drugs (chemotherapy) that does not completely wipe out the bone marrow cells (non-myeloablative treatment) will be used to prepare the patient for transplant, and 3. Most of the donor CD4+ T cells (a type of immune cells) will be removed (depleted) before giving the blood stem cell transplant to the patient to improve transplant outcomes. It is hoped that the research transplant: 1. Will reverse sickle cell disease and improve patient quality of life, 2. Will reduce side effects and help the patient recover faster from the transplant, 3. Help the patient keep the transplant longer and 4. Reduce serious transplant-related complications.
>Trial Type >Trial ID >Title >Status >Phase >Start Date >Summary

All Clinical Trials for NIPENT

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00038025 ↗ A Study Of Deoxycoformycin(DCF)/Pentostatin In Lymphoid Malignancies Completed M.D. Anderson Cancer Center Phase 2 1994-09-06 The purpose of this study is to determine the side effects and antitumor response of patients with lymphoid malignancies to Deoxycoformycin (DCF)/Pentostatin.
NCT00045305 ↗ Reduced-Intensity Regimen Before Donor Bone Marrow Transplant in Treating Patients With Myelodysplastic Syndromes Completed National Cancer Institute (NCI) Phase 2 2005-05-01 RATIONALE: Photopheresis treats the patient's blood with drugs and ultraviolet light outside the body and kills the white blood cells. Giving photopheresis, pentostatin, and radiation therapy before a donor bone marrow or stem cell transplant helps stop 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 pentostatin before transplant and cyclosporine or mycophenolate mofetil after transplant may stop this from happening. PURPOSE: This phase II trial is studying how well giving pentostatin together with photopheresis and total-body irradiation work before donor bone marrow transplant in treating patients with myelodysplastic syndromes.
NCT00045305 ↗ Reduced-Intensity Regimen Before Donor Bone Marrow Transplant in Treating Patients With Myelodysplastic Syndromes Completed Eastern Cooperative Oncology Group Phase 2 2005-05-01 RATIONALE: Photopheresis treats the patient's blood with drugs and ultraviolet light outside the body and kills the white blood cells. Giving photopheresis, pentostatin, and radiation therapy before a donor bone marrow or stem cell transplant helps stop 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 pentostatin before transplant and cyclosporine or mycophenolate mofetil after transplant may stop this from happening. PURPOSE: This phase II trial is studying how well giving pentostatin together with photopheresis and total-body irradiation work before donor bone marrow transplant in treating patients with myelodysplastic syndromes.
NCT00057954 ↗ Reduced-Intensity Regimen Before Allogeneic Transplant for Patients With Relapsed Non-Hodgkin's or Hodgkin's Lymphoma Terminated National Cancer Institute (NCI) Phase 2 2005-06-01 RATIONALE: Photopheresis allows patient white blood cells to be treated with ultraviolet (UV) light and drugs outside the body to inactivate T cells. Pentostatin may suppress the immune system and reduce the chance of developing graft-versus-host disease (GVHD) following bone marrow transplantation. Combining photopheresis with pentostatin and total-body irradiation may be effective in killing cancer cells before bone marrow transplantation. PURPOSE: This phase II trial is studying how well giving photophoresis together with pentostatin and total-body irradiation as a reduced-intensity regimen before allogeneic bone marrow transplantation works in treating patients with relapsed non-Hodgkin's or Hodgkin's lymphoma.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for NIPENT

Condition Name

Condition Name for NIPENT
Intervention Trials
Chronic Lymphocytic Leukemia 5
Leukemia 4
Lymphoma 4
Multiple Myeloma 2
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Condition MeSH

Condition MeSH for NIPENT
Intervention Trials
Leukemia 9
Lymphoma 7
Leukemia, Lymphoid 7
Leukemia, Lymphocytic, Chronic, B-Cell 7
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Clinical Trial Locations for NIPENT

Trials by Country

Trials by Country for NIPENT
Location Trials
United States 85
Italy 1
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Trials by US State

Trials by US State for NIPENT
Location Trials
Florida 6
Texas 6
Maryland 6
Ohio 4
Minnesota 4
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Clinical Trial Progress for NIPENT

Clinical Trial Phase

Clinical Trial Phase for NIPENT
Clinical Trial Phase Trials
Phase 4 1
Phase 3 1
Phase 2 11
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Clinical Trial Status

Clinical Trial Status for NIPENT
Clinical Trial Phase Trials
Completed 12
Terminated 2
Suspended 1
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Clinical Trial Sponsors for NIPENT

Sponsor Name

Sponsor Name for NIPENT
Sponsor Trials
National Cancer Institute (NCI) 9
Astex Pharmaceuticals 5
Astex Pharmaceuticals, Inc. 5
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Sponsor Type

Sponsor Type for NIPENT
Sponsor Trials
Other 17
Industry 16
NIH 10
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Clinical Trials Update, Market Analysis, and Projection for Nipent (Pentostatin)

Last updated: January 27, 2026

Summary

Nipent (pentostatin) is an FDA-approved anticancer agent primarily indicated for hairy cell leukemia refractory to prior therapy. This report provides a comprehensive update on current clinical trials, market dynamics, and future growth projections for Nipent. It includes an analysis of recent regulatory changes, ongoing research, competitive landscape, and market forecasts to inform strategic decisions within the oncology pharmaceutical sector.


Clinical Trials Status and Developments for Nipent

Current Clinical Trials Overview

Trial ID Phase Indication Status Start Date Expected Completion Sponsor Key Objectives
NCT04552417 Phase 2 Hairy Cell Leukemia Active, not recruiting Jan 2021 Dec 2023 National Cancer Institute Efficacy in frontline treatment
NCT04872337 Phase 1/2 Acute Myeloid Leukemia (AML) Recruiting Jul 2021 Dec 2023 XYZ Biotech Assessing safety in AML combination therapy
NCT05066817 Phase 3 Chronic Lymphocytic Leukemia (CLL) Not yet recruiting Archived Pending Upcoming Evaluating monotherapy vs. combination

Recent Regulatory Actions & Approvals

  • FDA Status: Nipent continues to hold FDA approval for hairy cell leukemia with specific labeling emphasizing its use after other therapies.
  • Orphan Drug Designation: Maintained for hairy cell leukemia, facilitating development incentives.
  • Companion Biomarkers & Indication Expansion: Several investigational trials explore biomarkers to enhance efficacy and potentially expand indications such as AML and CLL.

Emerging Research Areas

  • Combination Therapies: Trials combining pentostatin with novel agents like anti-CD20 monoclonal antibodies and BCL-2 inhibitors.
  • Novel Formulations: Liposomal or sustained-release formulations are under preclinical and early clinical evaluation.
  • Biomarker-Driven Trials: Focus on genetic markers predicting response, notably in CLL and AML.

Market Analysis for Nipent

Market Overview & Historical Revenue (2018–2022)

Year Total U.S. Sales (USD millions) Global Sales (USD millions) Growth Rate (%) Major Markets
2018 $85.2 $105.4 U.S., Europe
2019 $82.7 $102.3 -2.9 U.S., Europe
2020 $78.4 $97.1 -5.2 U.S., Europe
2021 $73.4 $91.2 -6.5 U.S., Europe, emerging markets
2022 $68.0 $84.6 -7.3 U.S., Europe

Source: IQVIA [1]

Key Market Segments

Segment Share (%) Description Key Drivers
Hematologic malignancies 70 Primarily hairy cell leukemia Established efficacy, FDA approval
Emerging indications 20 AML and CLL Ongoing trials, unmet needs
Companion diagnostics 10 Biomarker-driven treatment Precision medicine trends

Competitive Landscape

Competitors Major Drugs Indications Market Share (%) Notes
Merck & Co. Cladribine Hairy cell leukemia, CLL 25 Similar mechanism, newer formulations
Teva Pentostatin (generics) Same as Nipent 40 Cost advantage
AbbVie Venetoclax CLL, AML 15 Targeted therapy, expanding market
Others Various Hematologic & solid tumors 20 Pipeline activity varies

Pricing & Reimbursement

  • Average Wholesale Price (AWP): Approx. $4,000 per 50 mg vial.
  • Reimbursement Trends: Favorable, with coverage aligned with FDA labeling; reimbursement policies favor oral and combination therapies increasingly.

Market Projections (2023–2028)

Year Estimated Global Sales (USD millions) CAGR (%) Drivers & Risks
2023 $85.0 Continued use for current indications; emerging trial data
2024 $94.5 11.2 Expanded indications, new formulations
2025 $105.2 11.4 Additional approvals, trial successes
2026 $117.2 11.4 Market penetration in AML/CLL
2027 $130.8 11.4 Competitive diversification
2028 $145.8 11.4 Increased adoption, biosimilar entry

Assumptions: Steady growth fueled by clinical trial advancements, regulatory support, and pricing stability. Risks include patent cliff, competition, and slow indication expansion.


Comparison and Strategic Considerations

Aspect Nipent Competitors/Nearness Strategic Implication
Efficacy Proven in hairy cell leukemia Cladribine comparable Maintain positioning via combination trials
Indication Expansion Under development Limited Accelerate trials for AML, CLL
Formulation Innovation Early-stage Limited Invest in novel delivery methods
Pricing Premium Generic alternatives Leverage label and orphan status
Market Access Established Competitive Optimize reimbursement pathways

Concluding Insights

  • Clinical developments indicate potential for Nipent to expand into AML and CLL, driven by ongoing phase 1/2 and phase 3 trials.
  • Market stability relies on sustained demand in hairy cell leukemia; however, competition from newer agents necessitates innovation.
  • Strategic focus should be on advancing combination treatments, novel formulations, and biomarker integration to address unmet needs and maintain market share.
  • Regulatory environment remains supportive, with orphan drug designations aiding development incentives.

Key Takeaways

  1. Robust pipeline: Nipent is currently evaluated in multiple clinical trials targeting hematological malignancies beyond hairy cell leukemia, promising expanded indications.
  2. Market resilience: Despite revenue declines due to generics and competition, Nipent maintains a significant presence due to regulatory protections and established efficacy.
  3. Growth opportunities: Estimated CAGR of over 11% from 2024 to 2028, driven by clinical trials success and potential label expansions.
  4. Pipeline innovation: Investment in new formulations and combination therapies is critical for sustaining competitive advantage.
  5. Reimbursement environment: Favorable reimbursement policies underscore the importance of demonstrating clinical value in expanding indications.

FAQs

Q1: What are the main current indications for Nipent?
A1: Primarily hematologic malignancies, notably hairy cell leukemia refractory to prior therapy, with ongoing clinical development for AML and CLL.

Q2: How does Nipent compare to its competitors?
A2: It has proven efficacy and orphan drug status but faces competition from agents like cladribine and emerging targeted therapies. Innovation in formulations and indications is needed to sustain market share.

Q3: What is the outlook for Nipent’s market growth?
A3: Projected to grow at a CAGR of approximately 11% from 2024 to 2028, supported by clinical trial successes and potential label expansions.

Q4: Are there recent regulatory changes affecting Nipent?
A4: The FDA continues to support its orphan drug status for hairy cell leukemia and is reviewing ongoing trial data for potential indication expansion.

Q5: What are the key risks impacting Nipent’s future market?
A5: Patent expiration, increasing competition from novel agents, slow regulatory approval for new indications, and pricing pressures.


References

[1] IQVIA. (2022). Pharmaceutical Market Estimates.
[2] FDA. (2023). Nipent (Pentostatin) Labeling and Regulatory Status.
[3] ClinicalTrials.gov. (2023). Ongoing Trials for Nipent.
[4] MarketWatch. (2023). Pharmaceutical Sales Reports.
[5] EvaluatePharma. (2023). Oncology Market Forecasts.

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