original question: what Medical trial sponsor sponsored a Medical trial with Sponsor [Columbia University]?
answer: national institute on drug abuse
answer type: Medical trial sponsor.
auxiliary information: Columbia University in the City of New York is a private Ivy League research university located in Upper Manhattan, New York City, and is among the world's most prestigious institutions of higher learning. Columbia is the oldest institution of higher learning in New York state, the fifth oldest in the United States, and one of the country's nine Colonial Colleges founded before the American Revolution. It was founded in 1754 as King's College by royal charter of George II of Great Britain. After the American Revolutionary War, King's College briefly became a state entity, and was renamed Columbia College in 1784. The University now operates under a 1787 charter that places the institution under a private board of trustees, and in 1896 it was further renamed Columbia University. That same year, the university's campus was moved from Madison Avenue to its current location in Morningside Heights, where it occupies 32 acres.
Which medical trial sponsor sponsored a Medical trial with Sponsor [Columbia University]?