[3]
Alagar, R.M.; Rao, K.N.V.; Banji, D.; Kumar, S.D. Simultaneous estimation of method development and validation of atazanavir and ritonavir by RP-HPLC method. Asi. J. Pharm. Anal. Medi. Chem., 2015, 3(3), 89-99.
[4]
Bindu, M.J.; Reddy, K.N.K.; Himabindu, G. RP-HPLC method development and validation for simultaneous estimation of lopinavir and Ritonavir in tablet dosage form. Ind. J. Res. Pharm. Bio., 2017, 5(1), 77.
[5]
Gorja, A.; Bandla, J. Method development and validation for the simultaneous estimation of ritonavir and lopinavir in pharmaceutical dosage forms by RP-HPLC. WJPPS, 2014, 3(10), 694-702.
[8]
Rao, B.V.; Vidyadhara, S.; Babu, R.R.; Kumar, B.P.; Kumar, G.K. Analytical method development and validation for simultaneous estimation of lopinavir and ritonavir by RP-HPLC. Intern. J. Res. Devel. Pharm. L. Sci., 2014, 3(4), 1074-1079.
[10]
Punagoti, R.A.; Jupally, V.R. Development and validation of a RP-HPLC method for simultaneous determination of ritonavir and lopinavir in combined dosage form. Anal. Chem. Ind. J., 2014, 14(3), 88-92.
[11]
Varaprasad, B.L.; Harinadha, B.K.; Kumar, R.A.; Kumar, V.G. Development method validation of RP-HPLC method for simultaneous determination of lopinavir and ritonavir in bulk and formulation dosage. Int. Res. J. Pharm. Appl. Sci., 2012, 2, 84-90.
[12]
Gandhi, S.V.; Korhale, R.R. A RP-HPLC method development and validation for the estimation of ritonavir in bulk and pharmaceutical dosage form. J. Chem. Pharm. Res., 2016, 8(7), 901-904.
[13]
Sudha, T.; Vanitha, R.; Ganesan, V. Development and validation of RP-HPLC and HPTLC methods for estimation of ritonavir in bulk and in pharmaceutical formulation. Pharma. Chem., 2011, 3, 127-134.
[16]
Patel, D.J.; Desai, S.D.; Savaliya, R.P.; Gohil, D.Y. Simultaneous HPTLC determination of lopinavir and ritonavir in combined dosage form. Asian J. Pharm. Clin. Res., 2011, 4(1), 59-61.
[19]
Dinakaran, S.K.; Botla, D.N.P.; Pothula, A.; Kassetti, K.; Avasarala, H.; Kakaraparthy, R. Spectrophotometric method development and validation for valacyclovir hydrochloride monohydrate and ritonavir in bulk and tablet dosage form using absorption ratio method. Malays. J. Pharm. Sci., 2013, 11(2), 21-19.
[20]
Patil, P.M.; Kannapurkar, S.S. Development and validation of UV- Spectrophotometric method for simultaneous determination of atazanvir sulphate and ritonavir in its pure and pharmaceutical dosage forms. IJMPS, 2016, 6(1), 79-86.
[21]
Trivedi, C.D.; Mardia, R.B.; Suhagia, B.N.; Chauhan, S.P. Development and validation of spectrophotometric method for the estimation of ritonavir in tablet dosage form. Int. J. Pharm. Sci. Res., 2013, 4(12), 4567.
[22]
Seetaramaiah, K.; Smith, A.A.; Ramyateja, K.; Alagumanivasagam, G.; Manavalan, R. Spectrophotometric determination of ritonavir in bulk and pharmaceutical formulation. Sci. Revi. Chem. Com., 2012, 2(1), 1-6.
[31]
Bhatt, D.A.; Rane, S.I. QbD approach to analytical RP-HPLC method development and its validation. Int. J. Pharm. Pharm. Sci., 2011, 3(1), 179-187.
[32]
Krull, I.S.; Swartz, M.; Turpin, J.; Lukulay, P.H.; Verseput, R.A. A quality-by-design methodology for rapid LC method development-part I. LC GC Norht Am., 2008, 26, 1190-1197.
[37]
Vijayaraj, S.; Narahari, N.P.; Archana, D.; Lathasri, K.; Rajavel, P. Quality by design (Qbd) approach to develop stability indicating HPLC method for estimation of rutin in chitosan-sodium alginate nanoparticles. Braz. J. Pharm. Sci., 2020, 56, 1-14.
[46]
González, O.; Alonso, R.M. Validation of bioanalytical chromatographic methods for the quantification of drugs in biological fluids. In: Handbook of Analytical Separations; Elsevier B.V.: Amsterdam, 2020; pp. 115-134.
[47]
Michael, W.D.; Kim, H.B. Stability studies and testing of pharmaceuticals - An overview. LC GC North Am., 2020, 38(6), 325-336.
[50]
Mandlik, S.K.; Agarwal, P.P.; Dandgavhal, H.P. Implementation of quality by design (qbd) approach in formulation and development of ritonavir pellets using extrusion spheronization method. Int. J. Appl. Pharm., 2020, 12(1), 139-146.
[53]
Khotimah, K.; Martono, S.; Rohman, A. Box–Behnken design-based HPLC optimization for quantitative analysis of chloramphenicol and hydrocortisone acetate in cream. J. Appl. Pharm. Sci., 2020, 10(09), 134-139.