| 
                  
                  r; | 
			
				0.96 (0.89, 1.03) 
				0.86 (0.78, 0.94) 
				0.71 (0.62, 0.81) | 
			
				0.95 (0.89, 1.02) 
				0.96 (0.90, 1.03) 
				0.82 (0.66, 1.00) | 
			
				- 
				- 
				- | 
		
		
			| 
				Methadone | 
			
				5 mg 
				(1 dose) | 
			
				500/200 mg BID 
				(16 doses) | 
			
				14 | 
			
				↓ | 
			
				0.45 (0.41, 0.49) | 
			
				0.47 (0.44, 0.51) | 
			
				0.50 (0.46, 0.54) | 
		
		
			| 
				R-methadone | 
			
				  | 
			
				  | 
			
				  | 
			
				  | 
			
				0.54 (0.50, 0.58) | 
			
				0.52 (0.49, 0.56) | 
			
				- | 
		
		
			| 
				  | 
		
		
			| 
				S-methadone | 
			
				  | 
			
				  | 
			
				  | 
			
				  | 
			
				0.38 (0.35, 0.43) | 
			
				0.37 (0.34, 0.41) | 
			
				- | 
		
		
			| 
				Nevirapinea | 
			
				200 mg BID 
				(43 doses) | 
			
				250/200 mg BID 
				750/100 mg BID 
				1250/100 mg BID 
				(42 doses) | 
			
				26 
				22 
				17 | 
			
				↔ 
				↔ 
				↔ | 
			
				0.97 (0.90, 1.04) 
				0.86 (0.76, 0.97) 
				0.71 (0.62, 0.82) | 
			
				0.97 (0.91, 1.04) 
				0.89 (0.78, 1.01) 
				0.76 (0.63, 0.91) | 
			
				0.96 (0.87, 1.05) 
				0.93 (0.80, 1.08) 
				0.77 (0.64, 0.92) | 
		
		
			| 
				Norethindrone | 
			
				1.0 mg 
				(1 dose) | 
			
				500/100 mg BID 
				750/200 mg BID 
				(21 doses) | 
			
				21 
				13 | 
			
				↔ 
				↔ | 
			
				1.03 (0.94, 1.13) 
				1.08 (0.97, 1.20) | 
			
				1.14 (1.06, 1.22) 
				1.27 (1.13, 1.43) | 
			
				- 
				- | 
		
		
			| 
				Rifabutin | 
			
				150 mg 
				(1 dose) | 
			
				500/200 mg BID 
				(15 doses) | 
			
				20 | 
			
				↑ | 
			
				1.70 (1.49, 1.94) | 
			
				2.90 (2.59, 3.26) | 
			
				2.14 (1.90, 2.41) | 
		
		
			| 
				25-O-desacetyl-rifabutin | 
			
				  | 
			
				  | 
			
				20 | 
			
				↑ | 
			
				3.20 (2.78, 3.68) | 
			
				20.71 (17.66, 24.28) | 
			
				7.83 (6.70, 9.14) | 
		
		
			
				Rifabutin + 25-O- 
				desacetyl-rifabutind | 
			
				  | 
			
				  | 
			
				20 | 
			
				↑ | 
			
				1.86 (1.63, 2.12) | 
			
				4.33 (3.86, 4.86) | 
			
				2.76 (2.44, 3.12) | 
		
		
			| 
				Rosuvastatin | 
			
				10 mg 
				(1 dose) | 
			
				500/200 mg BID 
				(24 doses) | 
			
				16 | 
			
				↑ | 
			
				2.23 (1.83, 2.72) | 
			
				1.26 (1.08, 1.46) | 
			
				1.06 (0.93, 1.20) | 
		
		
			| 
				Saquinavir/ritonavira | 
			
				600/100 mg BID 
				(27 doses) | 
			
				500/200 mg BID 
				(28 doses) | 
			
				20 
				68 | 
			
				↓ 
				↓ | 
			
				0.30 (0.23, 0.40)e 
				- | 
			
				0.24 (0.19, 0.32)e 
				- | 
			
				0.18 (0.13, 0.26)e 
				0.20 (0.16, 0.25)f | 
		
		
			| 
				Stavudinea | 
			
				40 mg BID ≥60 kg 
				30 mg BID <60 kg 
				(43 doses) | 
			
				250/200 mg BID 
				750/100 mg BID 
				1250/100 mg BID 
				(42 doses) | 
			
				26 
				22 
				19 | 
			
				↔ 
				↔ 
				↔ | 
			
				0.90 (0.81, 1.02) 
				0.76 (0.66, 0.89) 
				0.74 (0.69, 0.80) | 
			
				1.00 (0.91, 1.11) 
				0.84 (0.74, 0.96) 
				0.93 (0.83, 1.05) | 
			
				- 
				- 
				- | 
		
		
			| 
				Tadalafil | 
			
				10 mg 
				(1 dose) | 
			
				500/200 mg 
				(1 dose) | 
			
				17 | 
			
				& |