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Synthesis and Study of Some 17a-aza-D-homo Steroids as 5α-Reductase Inhibitors

Author(s):

Priyanka Rana, Neelima Dhingra*, Poonam Arora, Richa Dhingra, Monika Chauhan and Ankit Gupta   Pages 1 - 18 ( 18 )

Abstract:


Background and Objective: Tremendous advances have been made in the development of new pharmacotherapuetic agents and less invasive techniques to help men with lower urinary tract symptoms. The use of 5α-reductase inhibitor (5-ARI) is restricted to the patients with large prostate volumes, whose symptoms are refractory to antiandrogens or α– adrenergic blockers Out of the various synthesized5-reductase inhibitors with different substituents on steroidal nucleus, esters have been found to exhibited high anti-androgenic activity.

Methods: In our attempt to find new, safer and potent 5-ARI and our continued interest in azasteorids, esters of 17a-Aza-Dhomo-5-androsten-3β-ol with synergistic effect were synthesized and characterized using different analytical techniques. The compounds were evaluated for their 5α-reductase inhibitory activity in-vivo by their effect on serum androgen level by ELISA assay procedure. The interaction with receptors was studied using advanced docking programme to predict the correlation of the synthesized compounds with actual biological activity.

Results: The target compounds (6-12) showed increased anti-androgenic activity as compared to finasteride and control, which imply that the target compounds are effective in inhibiting 5α-reductase. Particularly, compound 6 showing highest inhibitory activity and greater affinity for 5-AR receptor with highest dock score. Results of these studies when compared with Finasteride showed increased solubility and dissolution of target compound 6.

Conclusion: Compound6 showed immense potential with improved efficacy and better bioavailability, thus makes it a suitable candidate for further studies and optimal formulation.

Keywords:

5α-Reductase, 5α-reductase inhibitors, Benign Prostatic Hyperplasia, Dihydrotestosterone, Finasteride, Testosterone, Docking, Lower urinary tract symptoms.

Affiliation:

University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh-160014, University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh-160014, Chitkara College of Pharmacy, Chitkara University, Rajpura, Patiala-140401, Punjab, University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh-160014, University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh-160014, University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh-160014



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