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A Clinical Comparison

EDUARDO MONTILLA, MD; WILLEM S. FREDERIK, MD; LEO J. CASS, MD

Arch Intern Med. 1963;111(6):725-728.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Since methotrimeprazine has been used successfully for the past few years in Europe and Canada for a wide variety of painful conditions^1-6 and has recently been shown by Lasagna and DeKornfeld⁷ to compare favorably with morphine in relieving postoperative pain, a trial was set up to compare the analgesic activity of these two drugs in several diseases. A simple design wherein single subcutaneous injections of each drug were given randomly as coded medications was utilized in this study. In general it was shown that a 15 mg. dose of methotrimeprazine hydrochloride provided analgesia comparable in degree to a 10 mg. dose of morphine sulfate.

The degree of analgesic activity of methotrimeprazine makes this drug unique among currently available phenothiazides. The activity of its parent compound, chlorpromazine, has been both weaker and less reproducible.^2,7 Sigwald and co-workers^1,2 reported methotrimeprazine to be the most effective phenothiazine for pain. . . . [Full Text PDF of this Article]

Author Affiliations
SANTURCE, PUERTO RICO; CAMBRIDGE, MASS

Chief of Medicine and Medical Director, San Jorge Hospital and San Jorge Research Institute, Santurce, Puerto Rico, Associate Clinical Professor of Medicine, School of Medicine, University of Puerto Rico, Attending Physician and Chief of Medicine (Emeritus) Presbyterian Hospital, Santurce, Puerto Rico (Dr. Montilla); Lecturer, Harvard School of Public Health, Biostatistician, University Health Services, Harvard University (Dr. Frederik); Physician, University Health Services, Harvard University, Chief of Medicine, Brooks Hospital, Brookline, Mass., Visiting Physician, Long Island Hospital, Boston (Dr. Cass).

Footnotes
Received for publication Sept. 25, 1962; accepted Nov. 1.

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