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Clovis Oncology Inc (CLVS), ACADIA Pharmaceuticals Inc. (ACAD): Three Humongous Health-Care Stocks This Week

Summer doesn’t officially arrive for a few more weeks, but the first week of June packed some real heat. That’s especially true for three biotech stocks that rank as our most humongous of the week.

Give me a double
The Motley Fool’s David Williamson summed up the great week for Clovis Oncology Inc (NASDAQ:CLVS) perfectly in his headline a few days ago: “1 Biotech + 2 Cancer Drugs = 100% Pop.” While that 100% pop drifted down to 96% by the end of the week, Dave hit the nail on the head.

Clovis Oncology Inc (NASDAQ:CLVS)

Clovis Oncology Inc (NASDAQ:CLVS) blew everyone away at the ASCO conference earlier this week, when it announced phase 1 results for cancer drug rucaparib. The drug showed a disease control rate of 89% for ovarian cancer patients across all dose levels. Clovis Oncology Inc (NASDAQ:CLVS) also said that the safety profile for rucaparib looked good.

The second set of results presented at ASCO centered on experimental drug CO-1686. Phase 1 findings for the drug in treating patients with non-small-cell lung cancer were generally positive but weren’t as dazzling as those for rcaparib. Clovis Oncology Inc (NASDAQ:CLVS) shareholders aren’t complaining a bit, though.

Positive response
Clovis Oncology Inc (NASDAQ:CLVS) wasn’t the only company to bring good news about an ovarian cancer drug to ASCO. TESARO Inc (NASDAQ:TSRO) announced phase 1 results for niraparib. Shares of the biotech jumped 16% for the week.

TESARO Inc (NASDAQ:TSRO) reported a Response Evaluation Criteria In Solid Tumors, or RECIST, of 75% for patients with platinum-sensitive high-grade serous ovarian cancer who took a 300 mg dose of niraparib. A 50% RECIST response rate was achieved for patients across all dose levels with platinum sensitive ovarian cancer and germline BRCA mutations.

The biotech also had positive news for the drug in treating other forms of cancer. Two out of four patients with BRCA-positive breast cancer achieved a response. Also, seven out of 10 prostate cancer patients with evaluable circulating tumor cell count levels experienced a reduction of at least 30% in circulating tumor cell count, or CTC, levels.

Good and better

ACADIA Pharmaceuticals Inc. (NASDAQ:ACAD) benefited from two significant announcements this week. One item was good, but the second was even better. Shares soared 21% on the double-whammy.

First, the good news. ACADIA Pharmaceuticals Inc. (NASDAQ:ACAD) stated on Monday that its partner Allergan, Inc. (NYSE:AGN) advanced another new chemical entity from the two companies’ collaboration into pre-clinical development. ACADIA Pharmaceuticals Inc. (NASDAQ:ACAD)’s CEO, Dr.  Uli Hacksell, said the molecule has “distinctly different properties from other glaucoma compounds” previously advanced by Allergan, Inc. (NYSE:AGN). The two companies first partnered on development of new treatments for glaucoma back in 2003.

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