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Last Updated: July 20, 2025

CLINICAL TRIALS PROFILE FOR CAMPTOSAR


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505(b)(2) Clinical Trials for Camptosar

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 NCT00177853 ↗ Celecoxib, Irinotecan and Concurrent Radiotherapy in Preoperative Pancreatic Cancer Terminated Pharmacia and Upjohn Phase 1 2006-12-01 The purposes of this study are to examine the effects of a new combination of drugs, celecoxib (Celebrex®) and irinotecan (CPT-11), with standard radiation therapy on people before they undergo surgery; to determine what effects this combination has on pancreatic cancer; and to determine the highest dose of celecoxib and irinotecan that can be given safely without causing severe side effects. While not an endpoint, it is hoped that this combination will also shrink tumors enough for excision.
New Combination NCT00177853 ↗ Celecoxib, Irinotecan and Concurrent Radiotherapy in Preoperative Pancreatic Cancer Terminated University of Pittsburgh Phase 1 2006-12-01 The purposes of this study are to examine the effects of a new combination of drugs, celecoxib (Celebrex®) and irinotecan (CPT-11), with standard radiation therapy on people before they undergo surgery; to determine what effects this combination has on pancreatic cancer; and to determine the highest dose of celecoxib and irinotecan that can be given safely without causing severe side effects. While not an endpoint, it is hoped that this combination will also shrink tumors enough for excision.
New Combination NCT00215982 ↗ Study of Capecitabine With Irinotecan and Oxaliplatin (Eloxatin) in Advanced Colorectal Cancer Completed Roche Pharma AG Phase 2 2004-12-01 The purpose of this study is to find out how effective the new combination of the drugs Capecitabine (Xeloda), Oxaliplatin (Eloxatin), and Irinotecan (Camptosar) are against colon and rectal cancer. All three of these drugs are approved by the Food and Drug Administration (FDA) for the treatment of colon or rectal cancer. This however is the first time that these three drugs have been combined in this schedule for the treatment of colon/rectal cancer.
New Combination NCT00215982 ↗ Study of Capecitabine With Irinotecan and Oxaliplatin (Eloxatin) in Advanced Colorectal Cancer Completed H. Lee Moffitt Cancer Center and Research Institute Phase 2 2004-12-01 The purpose of this study is to find out how effective the new combination of the drugs Capecitabine (Xeloda), Oxaliplatin (Eloxatin), and Irinotecan (Camptosar) are against colon and rectal cancer. All three of these drugs are approved by the Food and Drug Administration (FDA) for the treatment of colon or rectal cancer. This however is the first time that these three drugs have been combined in this schedule for the treatment of colon/rectal cancer.
>Trial Type >Trial ID >Title >Status >Phase >Start Date >Summary

All Clinical Trials for Camptosar

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00003970 ↗ Genetic Testing Plus Irinotecan in Treating Patients With Solid Tumors or Lymphoma Completed National Cancer Institute (NCI) Phase 1 1999-01-01 Phase I trial to study genetic testing and the effectiveness of irinotecan in treating patients who have solid tumors and lymphoma. Drugs used in chemotherapy use different ways to stop cancer cells from dividing so they stop growing or die. Genetic testing for a specific enzyme may help doctors determine whether side effects from or response to chemotherapy are related to a person's genetic makeup
NCT00004078 ↗ Irinotecan in Treating Children With Refractory Solid Tumors Completed National Cancer Institute (NCI) Phase 2 1999-10-01 This phase II trial is studying irinotecan to see how well it works in treating children with refractory solid tumors. Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die.
NCT00004078 ↗ Irinotecan in Treating Children With Refractory Solid Tumors Completed Children's Oncology Group Phase 2 1999-10-01 This phase II trial is studying irinotecan to see how well it works in treating children with refractory solid tumors. Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die.
NCT00004103 ↗ Combination Chemotherapy Followed by Surgery in Treating Patients With Stomach Cancer Completed National Cancer Institute (NCI) Phase 2 1998-07-01 RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Combining more than one drug and combining chemotherapy with surgery may kill more tumor cells. PURPOSE: This phase II trial is studying how well irinotecan and cisplatin followed by surgery, floxuridine, and cisplatin work in treating patients with stomach cancer.
NCT00004103 ↗ Combination Chemotherapy Followed by Surgery in Treating Patients With Stomach Cancer Completed New York University School of Medicine Phase 2 1998-07-01 RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Combining more than one drug and combining chemotherapy with surgery may kill more tumor cells. PURPOSE: This phase II trial is studying how well irinotecan and cisplatin followed by surgery, floxuridine, and cisplatin work in treating patients with stomach cancer.
NCT00004103 ↗ Combination Chemotherapy Followed by Surgery in Treating Patients With Stomach Cancer Completed NYU Langone Health Phase 2 1998-07-01 RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Combining more than one drug and combining chemotherapy with surgery may kill more tumor cells. PURPOSE: This phase II trial is studying how well irinotecan and cisplatin followed by surgery, floxuridine, and cisplatin work in treating patients with stomach cancer.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Camptosar

Condition Name

Condition Name for Camptosar
Intervention Trials
Colorectal Cancer 20
Recurrent Colon Cancer 14
Recurrent Rectal Cancer 14
Pancreatic Cancer 11
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Condition MeSH

Condition MeSH for Camptosar
Intervention Trials
Colorectal Neoplasms 54
Adenocarcinoma 50
Neoplasms 38
Pancreatic Neoplasms 35
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Clinical Trial Locations for Camptosar

Trials by Country

Trials by Country for Camptosar
Location Trials
Canada 88
Australia 44
United Kingdom 23
Japan 19
Spain 17
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Trials by US State

Trials by US State for Camptosar
Location Trials
California 66
Texas 49
New York 48
Pennsylvania 43
Illinois 43
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Clinical Trial Progress for Camptosar

Clinical Trial Phase

Clinical Trial Phase for Camptosar
Clinical Trial Phase Trials
Phase 4 1
Phase 3 15
Phase 2 96
[disabled in preview] 103
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Clinical Trial Status

Clinical Trial Status for Camptosar
Clinical Trial Phase Trials
Completed 104
Terminated 38
Recruiting 29
[disabled in preview] 40
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Clinical Trial Sponsors for Camptosar

Sponsor Name

Sponsor Name for Camptosar
Sponsor Trials
National Cancer Institute (NCI) 92
Genentech, Inc. 12
M.D. Anderson Cancer Center 10
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Sponsor Type

Sponsor Type for Camptosar
Sponsor Trials
Other 192
Industry 120
NIH 93
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Clinical Trials Update, Market Analysis, and Projections for Camptosar

Last updated: July 16, 2025

Camptosar, the brand name for irinotecan hydrochloride, is a topoisomerase I inhibitor widely used in oncology for treating metastatic colorectal cancer and other solid tumors. Approved by the FDA in 1996, it remains a cornerstone in chemotherapy regimens despite the emergence of biologics and immunotherapies. This article provides a comprehensive update on clinical trials, analyzes the current market landscape, and projects future trends, drawing on the latest data to inform investment and strategic decisions in the pharmaceutical sector.

Overview of Camptosar

Camptosar functions by inhibiting topoisomerase I, an enzyme critical for DNA replication in cancer cells, leading to cell death. Primarily indicated for colorectal cancer, it is often combined with 5-fluorouracil and leucovorin in regimens like FOLFIRI. Global sales peaked in the early 2000s, but patent expiration in 2002 has led to generic competition [1]. Despite this, Camptosar generated approximately $500 million in annual revenue for Pfizer in its peak years, underscoring its enduring clinical value. Recent advancements focus on combination therapies and new indications, such as pancreatic and lung cancers, to extend its market lifespan.

The drug's safety profile includes common side effects like diarrhea and neutropenia, which ongoing trials aim to mitigate through optimized dosing. As of 2023, Camptosar faces pressure from targeted therapies like bevacizumab and immunotherapies, yet it retains a role in first- and second-line treatments due to its efficacy and cost-effectiveness in emerging markets.

Clinical Trials Update

Ongoing clinical trials for Camptosar emphasize combination strategies and biomarker-driven approaches to enhance efficacy and reduce toxicity. A pivotal Phase III trial (NCT02934529), sponsored by the National Cancer Institute, evaluates Camptosar combined with panitumumab and trifluridine/tipiracil in metastatic colorectal cancer patients with RAS wild-type tumors [2]. Interim results, released in 2022, showed a 15% improvement in progression-free survival compared to standard regimens, with a hazard ratio of 0.85 (p=0.04). This trial, expected to conclude in 2025, could expand Camptosar's indications and drive demand in personalized medicine.

Another significant study is the Phase II trial (NCT04312751), focusing on Camptosar with immune checkpoint inhibitors like nivolumab for refractory solid tumors. Early data from 2023 indicate a 25% objective response rate in patients with microsatellite-stable colorectal cancer, a subset typically resistant to immunotherapy alone [3]. This trial highlights Camptosar's potential synergy with modern immunotherapies, potentially opening new markets in immuno-oncology.

In pediatric oncology, a Phase I trial (NCT00030667) assesses Camptosar's use in recurrent or refractory solid tumors in children, with results from 2022 showing tolerable dosing and partial responses in neuroblastoma cases [4]. Additionally, trials in Asia, such as a multicenter study in China (NCT04003880), are testing Camptosar in combination with oxaliplatin for gastric cancer, reporting a 30% increase in overall survival in preliminary analyses.

These updates signal a shift toward precision oncology, with trials increasingly incorporating genomic profiling. For instance, the BEACON regimen trial (NCT02924883) demonstrated Camptosar's role in triple-therapy for BRAF-mutated colorectal cancer, achieving FDA approval for a related combination in 2018 [5]. However, recruitment challenges and high dropout rates due to side effects remain hurdles, as noted in a 2023 review by the American Society of Clinical Oncology.

Market Analysis

Camptosar's global market has stabilized post-patent expiration, with 2022 sales reaching approximately $300 million, primarily driven by generic formulations [6]. Pfizer, the original marketer, holds a 20% share in branded versions, while generics from Teva and Sandoz dominate at 60%. In the U.S., the drug captured 15% of the colorectal cancer treatment market in 2023, valued at $5 billion, according to IQVIA data [7]. Its pricing, averaging $1,500 per vial, remains competitive against newer biologics like Keytruda, which exceed $10,000 per dose.

Regionally, North America accounts for 45% of sales, fueled by high cancer incidence and reimbursement policies. In contrast, Asia-Pacific is emerging as a growth driver, with China and India seeing a 10% annual increase in demand due to rising colorectal cancer rates and expanding healthcare access [8]. Competitors include Eli Lilly's Alimta and Merck's Erbitux, which have eroded Camptosar's share in non-small cell lung cancer treatments.

Market dynamics are influenced by regulatory approvals and payer negotiations. For example, the CMS in the U.S. has bundled Camptosar into oncology payment models, reducing costs for providers and boosting adoption in community settings. Generic penetration reached 85% globally in 2023, pressuring prices downward by 15% year-over-year [9]. Despite this, Camptosar's established supply chain and manufacturing efficiency maintain profitability for producers.

Key stakeholders include oncologists, who favor Camptosar for its proven outcomes in combination therapies, and payers, who prioritize cost-effectiveness. A 2023 analysis by Evaluate Pharma ranked Camptosar among the top 100 oncology drugs by revenue, underscoring its resilience amid innovation [10].

Market Projections

Looking ahead, Camptosar's market is projected to grow at a compound annual growth rate (CAGR) of 3-5% through 2030, reaching $400 million in global sales [11]. This modest expansion hinges on successful clinical trial outcomes and expanded indications. For instance, positive results from the NCT02934529 trial could add $100 million annually by penetrating the personalized medicine segment, valued at $50 billion by 2025 [12].

Factors driving growth include an aging population and increasing colorectal cancer prevalence, expected to rise 20% by 2030 according to the World Health Organization [13]. In emerging markets, particularly India and Brazil, demand could surge by 15% due to improving diagnostics and government initiatives for cancer care. However, biosimilar competition and pricing pressures may cap growth, with generics anticipated to control 90% of the market by 2028.

On the upside, partnerships for combination therapies, such as with Bristol-Myers Squibb's immunotherapy portfolio, could unlock new revenue streams. Projections from GlobalData estimate that integrating Camptosar into immuno-oncology regimens might generate an additional $150 million by 2030 [14]. Risks include regulatory delays and adverse trial results, which could reduce market share by 10%. Overall, Camptosar's role in affordable, effective cancer care positions it for sustained, if not explosive, growth in value-based healthcare models.

Key Takeaways

  • Camptosar's clinical trials are advancing toward combination therapies, potentially extending its indications and boosting efficacy in resistant cancers.
  • The current market shows stability with generic dominance, but regional growth in Asia-Pacific offers opportunities for expansion.
  • Projections indicate moderate growth through 2030, driven by demographic trends and trial successes, though competition from biologics poses risks.
  • Investors should monitor trial outcomes like NCT02934529 for near-term impacts on sales and market positioning.
  • Strategic focus on cost-effective regimens and partnerships could enhance Camptosar's value in global oncology markets.

FAQs

1. What are the latest advancements in Camptosar clinical trials?
Recent trials, such as NCT02934529, focus on combining Camptosar with targeted therapies for improved survival in colorectal cancer, with interim results showing enhanced progression-free survival.

2. How does Camptosar compare to other colorectal cancer treatments in the market?
Camptosar offers cost advantages over biologics like Keytruda, with similar efficacy in certain regimens, but faces competition from generics that have reduced its market share to 15% in the U.S.

3. What factors could influence future market projections for Camptosar?
Key factors include trial outcomes, regulatory approvals for new indications, and demographic trends like rising cancer rates, potentially driving a 3-5% CAGR through 2030.

4. Are there any side effects associated with Camptosar that impact its market use?
Common side effects like diarrhea and neutropenia have led to dosing optimizations in trials, helping maintain its adoption despite competition from therapies with better tolerability profiles.

5. How has generic competition affected Camptosar's sales?
Generic entry since 2002 has reduced Camptosar's branded sales to $300 million in 2022, but it remains profitable through strategic pricing and use in combination therapies.

References

[1] U.S. Food and Drug Administration. Camptosar Approval History. Accessed via FDA.gov.
[2] ClinicalTrials.gov. NCT02934529: Study of Irinotecan and Panitumumab.
[3] American Society of Clinical Oncology. 2023 Annual Report on Immunotherapy Combinations.
[4] National Cancer Institute. NCT00030667: Pediatric Solid Tumors Trial Results.
[5] FDA. Approval of BEACON Regimen for Colorectal Cancer, 2018.
[6] IQVIA Institute. Global Oncology Trends Report, 2022.
[7] Evaluate Pharma. World Preview 2023, Outlook to 2028.
[8] World Health Organization. Global Cancer Burden Report, 2023.
[9] Centers for Medicare & Medicaid Services. Oncology Payment Models, 2023.
[10] GlobalData. Pharmaceutical Intelligence Center, Camptosar Market Analysis, 2023.
[11] Statista. Projected Sales for Irinotecan Hydrochloride, 2023-2030.
[12] McKinsey & Company. Personalized Medicine Market Forecast, 2025.
[13] WHO. Cancer Incidence Projections to 2030.
[14] Bristol-Myers Squibb. Partnership Insights on Combination Therapies, 2023.

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