International Publication Number WO 2018/204405 Al (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) PCT (19) World Intellectual Property Organization International Bureau (43) International Publication Date 08 November 2018 (08.11.2018) W I P I (51) International Patent Classification: A61K 39/00 (2006.01) A61P 31/12 (2006.01) A61K 39/395 (2006.01) A61P 35/00 (2006.01) (21) International Application Number: PCT/US2018/030516 (22) International Filing Date: 01 May 2018 (01.05.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/500,278 02 May 2017 (02.05.2017) US (71) Applicant: MERCK SHARP & DOHME CORP. [US/US]; 126 East Lincoln Avenue, Rahway, New Jersey 07065-0907 (US). (72) Inventors; and (71) Applicants US only): DE, Arnab [IN/US]; 2000 Gal- loping Hill Road, Kenilworth, New Jersey 07033 (US). NARASIMHAN, Chakravarthy Nachu [US/US]; 2000 Galloping Hill Road, Kenilworth, New Jersey 07033 (US). (74) Common Representative: MERCK SHARP & DOHME CORP.; 126 East Lincoln Avenue, Rahway, New Jersey 07065-0907 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, (54) Title: STABLE FORMULATIONS OF ANTI-TIGIT ANTIBODIES ALONE AND IN COMBINATION WITH PRO- G