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Table 11 Forced degradation study results for dolutegravir

From: A new validated stability-indicating RP-HPLC method for simultaneous quantification of dolutegravir and lamivudine in bulk and pharmaceutical dosage form

S. No

Sample name

% assay

% degradation

Purity angle

Purity threshold

Purity flag

1

Controlled sample

99.9

0.122

0.378

No

2

Acid degradation

95.1

4.8

0.397

0.475

No

3

Alkaline degradation

96.3

3.6

0.761

1.199

No

4

Peroxide degradation

91.4

8.5

1.618

2.154

No

5

Thermal degradation

97.6

2.3

0.397

0.498

No

6

UV degradation

98.1

1.8

0.454

0.492

No

7

Water degradation

98.6

1.3

0.292

0.458

No