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Allos Therapeutics

Founded Year



Acq - P2P | Acquired

Total Raised






About Allos Therapeutics

Allos Therapeutics is a biopharmaceutical company focused on developing and commercializing small molecule drugs for the treatment of cancer. The Company's lead product candidate, pralatrexate (PDX) is a novel antifolate currently under evaluation in a pivotal Phase 2 (PROPEL) trial in patients with relapsed or refractory peripheral T-cell lymphoma. The PROPEL trial is being conducted under an agreement reached with the U.S. Food and Drug Administration under its special protocol assessment, or SPA process. The Company is also investigating pralatrexate in patients with non-small cell lung cancer, bladder cancer and a range of lymphoma sub-types. The Company's other product candidate is RH1, a targeted chemotherapeutic agent currently being evaluated in a Phase 1 trial in patients with advanced solid tumors or non-Hodgkins lymphoma (NHL). Allos currently retains exclusive worldwide rights to pralatrexate and RH1 for all indications. In September 2012, Allos Therapeutics was acquired by Spectrum Pharmaceuticals. The valuation of Allos Therapeutics was undisclosed. Other terms of the deal were not released.

Headquarters Location

11080 Circlepoint Road Suite 200

Westminster, Colorado, 80020,

United States


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Expert Collections containing Allos Therapeutics

Expert Collections are analyst-curated lists that highlight the companies you need to know in the most important technology spaces.

Allos Therapeutics is included in 2 Expert Collections, including Cancer.



1,179 items

Pharmaceutical and biotechnology companies with cancer therapy drug candidates.


Regenerative Medicine

1,818 items

Regenerative medicine refers to the process of activating, replacing, engineering or regenerating human genetic material, cells, tissues or organs to restore normal function. It also includes bioengineered tissues used for in vitro testing (e.g. organ-on-a-chip, organoids).

Allos Therapeutics Patents

Allos Therapeutics has filed 3 patents.

patents chart

Application Date

Grant Date


Related Topics




Experimental cancer drugs, Lung cancer, Monoclonal antibodies, Monoclonal antibodies for tumors, Fluoroarenes


Application Date


Grant Date



Related Topics

Experimental cancer drugs, Lung cancer, Monoclonal antibodies, Monoclonal antibodies for tumors, Fluoroarenes



Latest Allos Therapeutics News

Spectrum Pharmaceuticals and Allos Therapeutics Announce Additional Extension of Tender Offer Period for Shares of Allos Therapeutics

Jul 21, 2012

googlecse  Spectrum Pharmaceuticals and Allos Therapeutics Announce Additional Extension of Tender Offer Period for Shares of Allos Therapeutics Charles Gross , Benzinga Staff Writer   {{following ? "Following" : "Follow"}} July 20, 2012 6:41pm   Comments Share: Spectrum Pharmaceuticals (NASDAQ: SPPI ) and Allos Therapeutics (NASDAQ: ALTH ) announced Friday that Spectrum has provided an additional extension of the offer period in connection with its tender offer to purchase all of the outstanding shares of common stock of Allos for $1.82 per share in cash, without interest and less any applicable withholding taxes. The extension was made in order for Spectrum and Allos to continue cooperating with the Federal Trade Commission in relation to the previously announced Request for Additional Information and Documentary Material that each party received on May 9, 2012 from the FTC under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, applicable to the acquisition of Allos by Spectrum. The offer, which was previously scheduled to expire at 5:00 p.m., Eastern time, on Monday, July 23, 2012, has been extended until 5:00 p.m., Eastern time, on Monday, August 6, 2012, unless extended for an additional period. All terms and conditions of the tender offer shall remain unchanged during the extended period. The depositary for the tender offer has advised Spectrum that, as of 5:00 p.m., Eastern time, on July 20, 2012, a total of approximately 65,241,335 shares of Allos common stock, representing approximately 61.0% of the outstanding shares of Allos common stock, were validly tendered and not withdrawn. © 2016 Benzinga does not provide investment advice. All rights reserved.

Allos Therapeutics Frequently Asked Questions (FAQ)

  • When was Allos Therapeutics founded?

    Allos Therapeutics was founded in 1992.

  • Where is Allos Therapeutics's headquarters?

    Allos Therapeutics's headquarters is located at 11080 Circlepoint Road, Westminster.

  • What is Allos Therapeutics's latest funding round?

    Allos Therapeutics's latest funding round is Acq - P2P.

  • How much did Allos Therapeutics raise?

    Allos Therapeutics raised a total of $66.61M.

  • Who are the investors of Allos Therapeutics?

    Investors of Allos Therapeutics include Spectrum Pharmaceuticals, Warburg Pincus, FrontPoint Partners, Deephaven Capital Management, Heights Capital Management and 22 more.

  • Who are Allos Therapeutics's competitors?

    Competitors of Allos Therapeutics include Lipella Pharmaceuticals, Sierra Oncology, Array Biopharma, Orexigen Therapeutics, Biosceptre International and 13 more.

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