Patents by Inventor Ethan A. Natelson

Ethan A. Natelson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for treating hematologic disorders with water insoluble 20 (S)-camptothecin
    Publication number: 20020131997
    Abstract: A method is provided for treating a patient afflicted with a hematologic disorder such as chronic leukemia and the myelodysplastic syndromes. The method includes administering to the patient an effective amount of a water-insoluble 20(S)-camptothecin compound with a closed lactone ring, a derivative thereof, or a mixture thereof. In a preferred method, the compound administered is 9-nitro-20(S)-camptothecin. The compound can be administered orally, intramuscularly, transdermally, subcutaneously, or parenterally.
    Type: Application
    Filed: April 20, 2000
    Publication date: September 19, 2002
    Inventors: Hagop M. Kartarjian, Beppino C. Giovanella, Ethan A. Natelson
  • Method for treating pancreatic cancer in humans with water-insoluble S-camptothecin of the closed lactone ring form and derivatives thereof
    Patent number: 6080751
    Abstract: A method of treating human pancreatic cancer with water-insoluble 20(S)-camptothecin compounds with the closed-lactone ring intact and/or derivatives thereof is disclosed. The method includes preferably administering the compounds intramuscularly, orally, and transdermally.
    Type: Grant
    Filed: September 13, 1996
    Date of Patent: June 27, 2000
    Assignee: The Stehlin Foundation for Cancer Research
    Inventors: John S. Stehlin, Ethan A. Natelson, Beppino C. Giovanella, Anthony J. Kozielski