A Phase II Study to Evaluate Efficacy & Safety of AUR101 in Patients of Moderate-to-Severe Psoriasis

Inclusion Criteria: * 1\. Confirmed diagnosis of chronic plaque-type psoriasis, diagnosed at least 6 months before screening 2\. Psoriasis of at least moderate severity, defined as PASI≥12 and involved BSA≥10 % at screening and Day 1 3\. Adult males or females,≥18 to ≤ 65 years of age. 4\. Ability to communicate well with the investigator and to comply with the requirements of the entire study 5\. Willingness to give written informed consent (prior to any study related procedures being performed) and ability to adhere to the study restrictions and assessments schedule. Exclusion Criteria: * 1\. History of erythrodermic, guttate, or pustular psoriasis within last 12 months 2\. Efficacy failure on any biologic (e.g. interleukin (IL) -17 antibodies or anti-TNF agents) for the treatment of psoriasis. 3\. Static 5-point IGA mod 2011 scale of 0 to 2 at screening or Day 1. 4\. BMI ≥ 35 kg/m2 5\. Current treatment or history of treatment for psoriasis with IL-17 or IL-12/23 antagonist biological agents within 6 months prior to study day 1 6\. Current treatment or history of treatment for psoriasis with other biological agents within 3 months prior to study day 1. 7\. Current treatment or history of treatment for psoriasis with non-biological systemic medications or phototherapy within 4 weeks prior to study day 1. 8\. Treatment with medicated topical agents within 2 weeks prior to study day 1. 9\. History or presence of any medical or psychiatric disease, or clinically significant laboratory at screening, 10\. Evidence of organ dysfunction 11\. Any major recent surgery history within 3 months prior to screening 12\. Alcohol abuse or drug abuse 13\. History of malignancy 14\. Positive for HIV, Hepatitis B or Hepatitis C at screening. 15\. Patient with known past history of systemic tuberculosis or currently suspected or known to have tuberculosis 16\. Patient expected to be started on anti-tubercular therapy either for treatment or prophylaxis of tuberculosis. 17\. Suspected tuberculosis infection as evident from a positive QuantiFERON TBGold test (QFT) at screening. Patients with a positive QFT test may participate in the study if further work up as per the opinion of the investigator . 18\. History of hypersensitivity or idiosyncratic reaction to any investigational RORgamma inhibitors or any of the excipients of study drug 19\. Past gastrointestinal surgery or recent (within 3 months) / current history of gastrointestinal disease. 20\. Positive pregnancy test for women of child bearing potential (WOCBP) at the screening or randomization visit 21\. Male patients with partners of childbearing potential not willing to use reliable contraception methods. 22\. Pregnant or lactating women or WOCBP who are neither surgically sterilized nor willing to use reliable contraceptive methods 23\. Has received another new chemical entity/investigational drug within 28 days or 5 half-lives of investigational drug prior to study day 1. 24\. Use of herbal remedies, mega dose vitamins and minerals during the 2 weeks prior to the first administration of investigational product. 25\. Patients who have received live or attenuated vaccine in the 4 weeks prior to study day 1.