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Alza Corporation
IndustryPharmaceutical and medical systems
Founded1968; 56 years ago (1968)
FounderAlejandro Zaffaroni
Number of employees
ParentJohnson & Johnson

Alza Corporation was an American pharmaceutical and medical systems company.[1]


Founded in 1968 by Dr. Alejandro Zaffaroni; the company's name is a portmanteau of his name. Alza was a major pioneer in the field of drug delivery systems, bringing over 20 prescription pharmaceutical products to market, and employing about 10,000 people during 20 years.[citation needed] In 2001, Alza was acquired by Johnson & Johnson via a stock-for-stock transaction worth US$10.5 billion.[2]

Drug delivery platforms[edit]

The company owns the patents on the following delivery platforms:

Marketed Alza products[edit]


Alza built its first corporate headquarters in 1971, at 950 Page Mill Road in Palo Alto, California. In 1990, Alza moved its headquarters to Shoreline Business Park, where it remained until late 2007, a few years after Alza was acquired by Johnson & Johnson.[7][8] The remaining employees were relocated to two buildings elsewhere in the Shoreline Business Park.[citation needed]

Alza operated a large-scale manufacturing facility in Vacaville, California, but it was announced that this facility would shut down by 2022.[9] They also previously operated a large-scale facility in Cashel, Ireland.[10]

Google's Googleplex is located just east of Alza Plaza. In August–September 2008, Google moved into the Alza plaza buildings.

Panoramic view of Alza Plaza from the Permanente Creek Trail, on the east side of Permanente Creek

See also[edit]


  1. ^ "ALZA Corp. faces layoffs in Vacaville". The Vacaville Reporter. 4 November 2009. Retrieved 4 September 2023.
  2. ^ "Johnson & Johnson to Merge With Alza Corporation In $10.5 Billion Stock-for-Stock Transaction" (Press release). New Brunswick, New Jersey, and Mountain View, California: Johnson & Johnson. Johnson & Johnson. 27 March 2001. Archived from the original on 11 July 2015. Retrieved 10 July 2015.
  3. ^ Gareth Macdonald (28 April 2009). "Patheon to make Oros-based depression and allergy drugs". Decision News Media SAS.
  4. ^ Center for Drug Evaluation and Research (9 May 1995). "Approval Package For: Application Number: NDA 20-021/S-003" (PDF). Retrieved 10 July 2015.
  5. ^ "Bayer to Market Alza's Viadur(TM) in U.S." (Press release). MOUNTAIN VIEW, Calif., and WEST HAVEN, Conn.: PRNewswire. PRNewswire. 5 April 2000. Retrieved 10 July 2015.
  6. ^ "Marketing of Viadur(R) (leuprolide acetate implant) to Phase Out by April 2008" (Press release). WAYNE, N.J.: PRNewswire. PRNewswire. 20 December 2007. Retrieved 10 July 2015.
  7. ^ Simonson, Sharon (26 August 2007). "Alza's exit could mean another office space buy for Google – Silicon Valley/San Jose Business Journal". Retrieved 29 July 2011.
  8. ^ "Alza Corp. leaving city after 17 years – Mountain View Voice". Archived from the original on 24 July 2011. Retrieved 29 July 2011.
  9. ^ Palmer, Eric (2 April 2019). "Janssen laying off 4 dozen employees as California plant heads toward closure". Fierce Pharma. Archived from the original on 31 May 2019. Retrieved 21 May 2019.
  10. ^ "'Devastating' Jobs Blow for Cashel and Tipperary with Closure of Alza/Cordis Plant". Retrieved 7 November 2016.