Journal of Pharmacy And Bioallied Sciences
Journal of Pharmacy And Bioallied Sciences Login  | Users Online: 341  Print this pageEmail this pageSmall font sizeDefault font sizeIncrease font size 
    Home | About us | Editorial board | Search | Ahead of print | Current Issue | Past Issues | Instructions | Online submission




 
 Table of Contents  
LETTER
Year : 2011  |  Volume : 3  |  Issue : 4  |  Page : 546  

Ipilimumab: Melanoma and beyond


1 Department of Pharmacy, Faculty of Technology and Enginnering, The Maharaja Sayajirao University Baroda, Vadodara, Gujarat, India
2 Department of Pharmacology, SSDJ College of Pharmacy, Neminagar, Chandwad, Dist-Nasik, India

Date of Web Publication23-Nov-2011

Correspondence Address:
Hardik Gandhi
Department of Pharmacy, Faculty of Technology and Enginnering, The Maharaja Sayajirao University Baroda, Vadodara, Gujarat
India
Login to access the Email id

Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0975-7406.90113

Rights and Permissions

How to cite this article:
Patel V, Gandhi H, Upaganlawar A. Ipilimumab: Melanoma and beyond. J Pharm Bioall Sci 2011;3:546

How to cite this URL:
Patel V, Gandhi H, Upaganlawar A. Ipilimumab: Melanoma and beyond. J Pharm Bioall Sci [serial online] 2011 [cited 2019 Nov 13];3:546. Available from: http://www.jpbsonline.org/text.asp?2011/3/4/546/90113

Sir,

Recently, USFDA has approved ipilimumab, a fully human monoclonal antibody, under the trade name Yervoy for the treatment of metastatic melanoma. Metastatic melanoma is one of the most common type of cancers, standing fifth while considering the frequency of occurrence of cancers. It is a type of skin cancer that demographically affects individuals in the fourth or fifth decade of their life. Incidence of the disease increases with age, and older men have the highest propensity of suffering from this disease. Primary risk factor for the occurrence of metastatic melanoma is prolonged exposure to UV in the range of 280 to 320 nm. Pathophysiology involves abnormal growth and proliferation of melanocytes in areas exposed to UV radiation. Full thickness ablative procedures are the primary modalities of treatment in such conditions, followed by radiation therapy. However, for patients in an advanced stage of the disease, surgical excision is not curative and they require adjunctive chemotherapy and immunotherapy. [1] IL-2 has been approved by the USFDA for immunotherapy in patients with metastatic melanoma. IL-2 stimulates cytotoxic T-lymphocytes which ultimately cause tumor cell lysis. A response rate of about 16% is achieved with this modality of treatment. Another drug approved for the treatment of this condition is dacarbazine, achieving an overall response rate of up to 25%. However, both the alternatives have their own shortcomings (chronic side effects, need to monitor laboratory functions, relapsing disease). [1] To prevail over this condition, Bristol-Myers Squibb (BMS) has come up with ipilimumab which is a fully human monoclonal antibody (IgG1 isotype).

Ipilimumab is directed against the CTLA-4 antigen present on the surface of cytotoxic T-lymphocytes. Presence of the CTLA-4 antigen negatively regulates the activity T-lymphocytes, ultimately suppressing the immune response. So, blocking the CTLA-4 antigen with ipilimumab will stimulate the patient's own immune response which will be helpful in destroying cancerous cells. [2] Ipilimumab has been studied in more than 2 000 patients with metastatic melanoma and response patterns show shrinkage of baseline lesions, decline of tumor burden with a complete response in a few patients. An objective response rate of above 30% was observed in later stages of clinical trials after failing the initial response rate threshold (10%) in the initial stages. The results of the advanced phase III trials indicate that one-third of the patients taking ipilimumab will receive long-term survival benefits. [3] On the flip side, ipilimumab comes with a boxed warning concerning the immune-mediated adverse reactions. It has been advised to discontinue the use of ipilimumab in case of occurrence of immune-mediated enterocolitis, hepatitis, dermatitis, or neuropathy. Usually, these adverse effects manifest during therapy but in some cases late manifestations have been observed. [4] Other common side effects include rashes and diarrhea. Based on the animal studies, it has been found to cause fetal damage and hence contraindicated in pregnant females.

Not only this, ipilimumab has some other ramifications with regard to its role against cancer. It has been reported to shrink hormone refractory prostate cancers in a few patients. Even though this effect was only observed in combination with other therapies, further clinical trials are necessitated for conforming this effect. Ipilimumab has also been implicated in lung cancers and renal carcinoma. [5] Moreover, BMS has already started trials of ipilimumab for treatment of lung cancers. Since it affects the immune system, it may find a viable alternative in the therapy of small-cell lung cancer and non-small-cell lung cancer (NSCLC). BMS has recently announced the beginning of Phase III trials of ipilimumab in NSCLC.

 
   References Top

1.Agarwala SS. Metastatic melanoma: an AJCC review. Commun Oncol 2008;5:441-4.  Back to cited text no. 1
    
2.Tarhini AA, Iqbal F. CTLA-4 blockade: therapeutic potential in cancer treatments. Onco Targets Ther 2010;3:15-25.  Back to cited text no. 2
[PUBMED]  [FULLTEXT]  
3.Hodi FS, O'Day SJ, McDermott DF, Weber RW, Sosman JA, Haanen JB, et al. Improved survival with ipilimumabin patients with metastatic melanoma. N Engl J Med 2010;363:711-23.  Back to cited text no. 3
[PUBMED]  [FULLTEXT]  
4.Weber J. Review: Anti-CTLA-4 antibody ipilimumab: Case studies of clinical response and immune-related adverse events.Oncologist 2007;12:864-72.  Back to cited text no. 4
[PUBMED]  [FULLTEXT]  
5.Tarhini A, Lo E, Minor DR. Releasing the Brake on the Immune System: Ipilimumab in Melanoma and Other Tumors. Cancer BiotherRadiopharm 2010;25:601-13.  Back to cited text no. 5
    




 

Top
 
 
  Search
 
    Similar in PUBMED
   Search Pubmed for
   Search in Google Scholar for
    Access Statistics
    Email Alert *
    Add to My List *
* Registration required (free)  

 
  In this article
    References

 Article Access Statistics
    Viewed1238    
    Printed85    
    Emailed0    
    PDF Downloaded52    
    Comments [Add]    

Recommend this journal