<PAGE>
Exhibit 16.1
[PriceWaterhouseCoopers LLP Letterhead]
November 9, 2000
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, DC 20549
Commissioners:
We have read the statements made by Endorex Corporation (copy attached), which
we understand will be filed with the Commission, pursuant to Item 4 of Form 8-K,
as part of the Company's Form 8-K report dated November 2, 2000. We agree with
the statements concerning our Firm in such Form 8-K. As to the last sentence of
paragraph (v), we have no basis to agree or disagree with such statement.
Very truly yours,
/s/ PricewaterhouseCoopers LLP