Is it necessary to obtain DCGI/EC approval for clinical trial of nutraceutical and register the trial in CTRI? Is it essential to carry out toxicity studies? Binu Kuruvilla DCGI approval is not required unless the indication claim is as per definition of a new drug as per Drugs & Cosmetics Rules. The definition of drug is as follows: All medicines for internal or external use of human beings and all substances intended to be used for or in the diagnosis, treatment, mitigation or prevention of any disease or disorder in human beings. In addition, you should consider new drug definition as per Rule 122E. A drug is considered a new drug if 1) it is a new chemical, biological or recombinant bio-technological or such devices or delivery systems 2) a drug already approved for certain claims is now being considered for modified or new claims, namely, indications, dosage, dosage form (including sustained release dosage form) and route of administration 3) fixed
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