Axitinib for Pheochromocytoma/Paraganglioma
What You Need to Know Before You Apply
What is the purpose of this trial?
This trial tests axitinib, a medication, to determine its effectiveness for people with pheochromocytoma or paraganglioma, rare tumors that can develop in various body parts. Researchers aim to discover if axitinib can slow or halt the spread of these tumors and assess how long patients remain free from disease progression. This study suits adults diagnosed with these tumors who show signs of spreading. As a Phase 2 trial, the research focuses on evaluating the treatment's effectiveness in an initial, smaller group of participants.
Will I have to stop taking my current medications?
The trial does not specify if you need to stop all current medications, but you cannot use certain drugs that affect liver enzymes (CYP3A4 and CYP1A2) or require certain blood thinners. It's best to discuss your current medications with the trial team to see if any need to be adjusted.
Is there any evidence suggesting that axitinib is likely to be safe for humans?
Research has shown that axitinib has been studied for its safety in individuals with conditions like pheochromocytoma and paraganglioma. In one study involving 37 patients, all experienced some side effects. High blood pressure was the most common, affecting about 67% of participants.
This treatment has not been tested in individuals under 18 due to insufficient information on its effects in children. While axitinib can cause side effects, it has shown promise in shrinking tumors for this patient group.
Prospective trial participants should discuss these findings with their doctor to understand their implications.12345Why do researchers think this study treatment might be promising?
Axitinib is unique because it targets the vascular endothelial growth factor (VEGF) receptors, which play a vital role in tumor blood vessel growth. Unlike standard treatments for pheochromocytoma and paraganglioma, which primarily focus on managing hormone secretion and tumor growth through surgery or medications like alpha-blockers, axitinib specifically inhibits pathways that fuel tumor blood supply. This targeted approach could offer a new way to control tumors that are recurrent or cannot be surgically removed, potentially slowing or stopping their growth more effectively. Researchers are excited about axitinib because it offers a novel mechanism of action that could improve outcomes for patients with these challenging conditions.
What evidence suggests that axitinib might be an effective treatment for pheochromocytoma/paraganglioma?
Research has shown that axitinib, the treatment under study in this trial, might help shrink tumors in people with malignant pheochromocytoma and paraganglioma. Studies have found that axitinib blocks the blood vessels tumors need to grow, potentially slowing or reversing tumor growth. Early results indicate that some patients have experienced tumor shrinkage while taking axitinib. This treatment targets a specific process in the body called VEGF, crucial for the tumor's blood supply. Overall, axitinib appears to be a promising treatment option for these conditions.12346
Who Is on the Research Team?
Antonio Fojo, MD
Principal Investigator
Columbia University
Are You a Good Fit for This Trial?
Adults diagnosed with advanced pheochromocytoma/paraganglioma who haven't had surgery, chemotherapy, or radiotherapy in the last 4 weeks (6 for certain drugs). They must have measurable disease, be expected to live at least 3 months, and have an ECOG status ≤2. Pregnant women and those with unstable blood pressure or other severe conditions are excluded.Inclusion Criteria
Exclusion Criteria
Timeline for a Trial Participant
Screening
Participants are screened for eligibility to participate in the trial
Treatment
Participants receive Axitinib therapy for 16 weeks, with clinic visits every 4 weeks to monitor therapy
Follow-up
Participants are monitored for progression-free survival and response rate after treatment
What Are the Treatments Tested in This Trial?
Interventions
- Axitinib
Trial Overview
The trial is testing Axitinib's effectiveness on metastatic or locally advanced pheochromocytoma/paraganglioma. It aims to see how well patients respond to daily treatment, measure how long they live without the disease getting worse, and explore genetic factors related to drug metabolism.
How Is the Trial Designed?
1
Treatment groups
Experimental Treatment
Subjects with Recurrent or Primary Unresectable Pheochromocytoma/Paraganglioma will receive 16 weeks of therapy (Axitinib), and be seen in clinic every 4 weeks to monitor therapy.
Axitinib is already approved in European Union, United States, United Kingdom for the following indications:
- Renal cell carcinoma
- Advanced renal cell carcinoma
- Advanced renal cell carcinoma
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Who Is Running the Clinical Trial?
Columbia University
Lead Sponsor
Pfizer
Industry Sponsor
Albert Bourla
Pfizer
Chief Executive Officer since 2019
PhD in Biotechnology of Reproduction, Aristotle University of Thessaloniki
Patrizia Cavazzoni
Pfizer
Chief Medical Officer
MD from McGill University
Published Research Related to This Trial
Citations
Phase II Study of Axitinib (AG-013736) With Evaluation ...
Pre-clinical data suggests that the anti-tumor activity of axitinib may result from its anti-angiogenic activity and that this is reversible when treatment is ...
Single agent axitinib in the management of patients with ...
Axitinib, two VEGF tyrosine kinase inhibitors with similar characteristics, in the management of malignant pheochromocytoma and paragangliomas.
3.
clinicalstudies.info.nih.gov
clinicalstudies.info.nih.gov/protocoldetails.aspx?id=14-C-0001&&query=Malignant%20GermNIH Clinical Center: Search the Studies
Pre-clinical data suggests that the anti-tumor activity of axitinib may result from its anti-angiogenic activity and that this is reversible when treatment is ...
Phase II clinical trial of axitinib in metastatic ...
Preliminary data shows axitinib can result in tumor shrinkage in patients with a diagnosis of malignant P/PG.
Clinical Trial: NCT01967576
Phase II study of Axitinib (AG-013736) with evaluation of the VEGF-pathway in metastatic, recurrent or primary unresectable pheochromocytoma/paraganglioma.
A Targetable Receptor Tyrosine Kinase in Metastatic ...
Progression-free survival was 12.3 months. Importantly, adverse reactions were reported from all 37 patients, the most common of which were hypertension (67%), ...
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