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Biotech Sector Weekly Rewind

Stocks in this article: ALKS ROSG EXAS ALXA ARNA IMGN QCOR

BOSTON ( TheStreet) -- Adam Feuerstein's take on the biotech week that was Oct. 11, 2010:

Pfizer (PFE) buys King Pharmaceuticals (KG) for $3.6 billion to bolster its pain drug franchise.

Pfizer adds new partners through King Buy

Alkermes (ALKS) CEO Richard Pops (@popsalks) breaks company news on Twitter. Bravo! (via @MikeHuckman)

The news broken by Pops: Finally, a drug approval in October! Alkermes received FDA clearance to market Vivitrol as a treatment for opioid addiction.

Alexza Pharmaceuticals (ALXA) and Jazz Pharmaceuticals (JAZZ) not as lucky: FDA denies approval to both of their drugs.

Questcor Pharmaceuticals (QCOR) receives belated FDA approval for Acthar as a treatment for infantile spasms.

The week's top-performing sector stocks: Pharmathene (PIP) (+120%), Molecular Insight Pharmaceuticals (MIPI) (+65%), Rosetta Genomics (ROSG) (+60%), SIGA Technologies (SIGA) (+56%) and King Pharmaceuticals (KG) (+37%).

Johnson & Johnson's (JNJ) abiraterone boosts survival by four months for patients with advanced prostate cancer.

Seattle Genetics (SGEN) reported a second clinical trial win for the lymphoma drug brentuximab vedotin.

This week's Biotech Stock Mailbag: Exact Sciences (EXAS), Sequenom (SQNM), Vanda Pharmaceuticals (VNDA), Delcath Systems (DCTH), Labopharm (DDSS), Cadence Pharmaceuticals (CADX) and Transcept Pharmaceuticals (TSPT).

Forbes' Matt Herper on the fight against drug-resistant germs.

Cancer drug analyst and blogger Sally Church spends the week at the European cancer conference known as ESMO.

The week's worst-performing sector stocks: Alexza Pharmaceuticals (ALXA) (-56%), Spherix (SPEX) (-24%), AspenBio Pharma (APPY) (-17%), Anadys Pharmaceuticals (ANDS) (-16%) and ProPhase Labs (PRPH) (-13%).

Cubist Pharmaceuticals (CBST) reports third quarter Cubicin sales of $154 million, lower than the consensus estimate of $162 million. The company reports higher-than-expected earnings for the quarter on lower operating expenses.

The biggest (sore) losers: Arena Pharmaceuticals (ARNA) investors.

Chemist and blogger Derek Lowe takes another skeptical look at the anti-aging claims made about GlaxoSmithKline's resveratrol.

Will the withdrawal of Meridia help or hurt other weight-loss pills? (via Pharmalot)

Reuters Health editor Ivan Oransky on Geron (GERN) and its first-ever stem cell study in patients with spinal cord injury.

"Scrapers" are scouring web sites looking for patients' personal information.

Roche reports weaker-than-expected sales of its three most important drugs -- Avastin, Rituxan and Herceptin. Overall, third quarter revenue fell 7%.

ImmunoGen (IMGN) and Novartis (NVS) strike a licensing deal to develop cancer drugs based on ImmunoGen's "armed antibody" drug delivery technology.

Exelixis (EXEL) licenses two experimental cancer drugs to Bristol-Myers Squibb (BMY).

Perfect FDA Drug Approval Pickers

Halozyme Therapeutics (HALO) cut 25% of its workforce in a restructuring move.

The week in financings: Regeneron Pharmaceuticals (RGEN) ($175 million), Cytori Therapeutics (CYTX) ($19 million) and Anadys Pharmaceuticals (ANDS) ($25 million).

FDA doesn't always heed the recommendations offered by its advisory panels. (via @matthewherper)

Phase III data on Titan Pharmaceuticals' (TTNP.OB) implantable addiction drug is published in JAMA.

Boehringer Ingelheim drops development of a drug for the controversial disorder known as female sexual dysfunction.

Celgene (CELG) completes acquisition of Abraxis BioScience.

--Written by Adam Feuerstein in Boston.

>To contact the writer of this article, click here: Adam Feuerstein.

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Adam Feuerstein writes regularly for In keeping with TSC's editorial policy, he doesn't own or short individual stocks, although he owns stock in He also doesn't invest in hedge funds or other private investment partnerships. Feuerstein appreciates your feedback; click here to send him an email.

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