如题，想查询一个已经在FDA 注册，并助于临床阶段的药物，想查查它的进展情况，请问应该如何检索？

非常感谢！

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http://clinicaltrials.gov/
在这个网站可以查到应该可以查到你所需要的信息.

Search for Clinical Trials
Find trials for a specific medical condition or other criteria in the ClinicalTrials.gov registry. ClinicalTrials.gov currently has 59,781 trials with locations in 157 countries.

Investigator Instructions
Get instructions for clinical trial investigators/sponsors about how to register trials in ClinicalTrials.gov.

Background Information
Learn about clinical trials and how to use ClinicalTrials.gov, or access other consumer health information from the US National Institutes of Health.

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这个网站检索过了，似乎不是很全面，请问还有其他途径吗？